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+# sub2api-overdraft 部署与运维指南
+
+本文档面向希望部署本项目、验证 Codex 5h / 7d 额度透支状态，以及后续安全升级的使用者。
+
+本项目是 [Wei-Shaw/sub2api](https://github.com/Wei-Shaw/sub2api) 的非官方衍生版本，公开项目名为 **sub2api-overdraft**。内部二进制名、Docker 服务名、数据目录和 Go module 仍保留 `sub2api`，这是为了兼容原项目并降低同步上游更新时的冲突。
+
+## 重要说明
+
+- 本功能仅表示：当 Codex 5h 或 7d 页面额度达到 100% 后，通过真实请求确认上游是否仍允许继续调用。
+- `passed` 只代表探测时上游仍返回有效响应，不承诺之后始终可用，也不会绕过认证失效、账号禁用、网络故障或其他风控限制。
+- 探测请求和透支期请求都可能产生真实上游用量和费用。
+- 此行为可能不符合上游服务条款。部署者必须自行确认合规性，并承担账号限制、服务中断等风险。
+- 官方 Sub2API 安装脚本和 `weishaw/sub2api:latest` 镜像不包含本 Fork 的透支功能。
+- 本 Fork 的后台更新检查读取 `DeanZFC/sub2api-overdraft`，不会把官方 Sub2API Release 当作本项目更新。
+
+## 功能范围
+
+开启 `gateway.codex_quota_overdraft_enabled` 后，本项目会：
+
+- 对符合条件的 OpenAI OAuth 普通账号和 Agent Identity 账号启用透支调度，Shadow 子账号除外。
+- 支持 `/v1/responses`、转换为 Responses 的 `/v1/chat/completions` 和 `/v1/messages`，以及 Responses WebSocket v2。
+- 在适用请求的最后一条用户消息后注入一对无操作工具调用，用于保持与参考实现一致的请求形态。
+- 当 5h 或 7d 额度首次达到 100%，或收到带明确额度证据的 429 时，最多执行 5 次真实探测。
+- 管理页面的 OpenAI OAuth 常规文本“测试账号连接”也使用相同请求形态，并接入同一套额度探测状态机。
+- 分别维护 5h、7d 透支周期，并在管理页面显示状态、请求数、Token、账号金额和预计恢复时间。
+- 将探测状态保存在现有 `accounts.extra` JSONB 字段中，不新增数据库表，不需要手动执行数据库迁移（migration）。
+
+以下端点不启用透支：`/responses/compact`、图片生成、Embedding、Count Tokens 和 Live；API Key、Shadow、图片及 Compact 的后台测试也不启用透支。
+
+## 前置条件
+
+- Linux amd64 或 arm64 服务器
+- Git
+- Docker 20.10 或更高版本
+- Docker Compose v2，命令为 `docker compose`
+- 建议至少 2 核 CPU、4 GB 内存和 20 GB 可用磁盘
+- 可以访问 GitHub、Docker Hub、Go module 和 npm/pnpm 依赖源
+
+首次源码构建时间取决于服务器性能和网络状况。PostgreSQL 与 Redis 已包含在 Compose 中，不需要提前单独安装。
+
+## 全新部署
+
+### 1. 克隆项目
+
+```bash
+sudo mkdir -p /opt
+cd /opt
+sudo git clone https://github.com/DeanZFC/sub2api-overdraft.git
+sudo chown -R "$(id -u):$(id -g)" /opt/sub2api-overdraft
+cd /opt/sub2api-overdraft/deploy
+```
+
+仓库默认分支是 `codex-overdraft`。确认当前分支：
+
+```bash
+git branch --show-current
+```
+
+预期输出：
+
+```text
+codex-overdraft
+```
+
+### 2. 创建环境配置
+
+```bash
+cp .env.example .env
+chmod 600 .env
+```
+
+至少设置以下值，不要把真实密钥提交到 Git：
+
+```bash
+POSTGRES_PASSWORD=替换为随机密码
+JWT_SECRET=替换为随机密钥
+TOTP_ENCRYPTION_KEY=替换为随机密钥
+ADMIN_EMAIL=你的管理员邮箱
+ADMIN_PASSWORD=替换为强密码
+SERVER_PORT=8080
+```
+
+可分别使用以下命令生成随机值：
+
+```bash
+openssl rand -hex 32
+```
+
+透支开关在公开部署覆盖文件中默认开启。也可以在 `.env` 中显式配置：
+
+```bash
+GATEWAY_CODEX_QUOTA_OVERDRAFT_ENABLED=true
+```
+
+### 3. 创建数据目录
+
+```bash
+mkdir -p data postgres_data redis_data
+```
+
+这些目录和 `.env` 已被 Git 忽略，不会在正常的 `git add .` 中上传。
+
+### 4. 从源码构建并启动
+
+后续所有 Compose 命令都应同时带上这两个文件：
+
+```bash
+docker compose \
+ -f docker-compose.local.yml \
+ -f docker-compose.overdraft.yml \
+ up -d --build
+```
+
+`docker-compose.local.yml` 提供应用、PostgreSQL、Redis、网络和数据卷；`docker-compose.overdraft.yml` 把应用镜像切换为本仓库源码构建，并默认开启透支功能。
+
+查看容器状态：
+
+```bash
+docker compose \
+ -f docker-compose.local.yml \
+ -f docker-compose.overdraft.yml \
+ ps
+```
+
+三个容器应处于 `Up` 或 `healthy` 状态：
+
+```text
+sub2api
+sub2api-postgres
+sub2api-redis
+```
+
+查看启动日志：
+
+```bash
+docker compose \
+ -f docker-compose.local.yml \
+ -f docker-compose.overdraft.yml \
+ logs -f sub2api
+```
+
+默认访问地址为 `http://服务器IP:8080`。
+
+## 配置文件位置与优先级
+
+源码仓库中的 `deploy/config.example.yaml` 只是完整配置模板，不是容器实际读取的运行配置。
+
+Compose 本地目录部署的实际配置通常位于：
+
+```text
+/opt/sub2api-overdraft/deploy/data/config.yaml
+```
+
+它在容器内对应：
+
+```text
+/app/data/config.yaml
+```
+
+如果手动通过 YAML 开启，请确保层级正确：
+
+```yaml
+gateway:
+ codex_quota_overdraft_enabled: true
+```
+
+环境变量 `GATEWAY_CODEX_QUOTA_OVERDRAFT_ENABLED` 的优先级高于 YAML。本项目提供的 Compose 覆盖文件默认将它设为 `true`，因此全新部署不需要手动编辑 `data/config.yaml`。
+
+检查容器实际收到的环境变量：
+
+```bash
+docker compose \
+ -f docker-compose.local.yml \
+ -f docker-compose.overdraft.yml \
+ exec sub2api sh -lc 'printf "%s\n" "$GATEWAY_CODEX_QUOTA_OVERDRAFT_ENABLED"'
+```
+
+预期输出为 `true`。
+
+## 从现有 Sub2API 部署迁移
+
+迁移前先备份 `.env`、运行配置和数据库。不要删除 `data`、`postgres_data`、`redis_data`。
+
+如果服务器上的 `/opt/sub2api` 已经是 Git 仓库，并且包含手工修改，先检查：
+
+```bash
+cd /opt/sub2api
+git status --short
+git branch --show-current
+git remote -v
+```
+
+有未提交代码时先保存：
+
+```bash
+git stash push -u -m "server changes before codex-overdraft switch"
+```
+
+然后连接本 Fork 并切换到公开分支：
+
+```bash
+git remote set-url origin https://github.com/DeanZFC/sub2api-overdraft.git
+git fetch origin
+git switch codex-overdraft 2>/dev/null || \
+ git switch -c codex-overdraft --track origin/codex-overdraft
+git pull --ff-only origin codex-overdraft
+```
+
+如果 Git 报 `detected dubious ownership`，确认目录确实是本项目后再执行：
+
+```bash
+git config --global --add safe.directory /opt/sub2api
+```
+
+已有的服务器专用 Compose 文件可以保留，但推荐改用仓库内公开的覆盖文件：
+
+```bash
+cd /opt/sub2api/deploy
+docker compose \
+ -f docker-compose.local.yml \
+ -f docker-compose.overdraft.yml \
+ up -d --build --force-recreate sub2api
+```
+
+切换分支后不要直接执行 `git stash pop`。先用 `git stash show --stat` 检查旧 stash；本分支已经包含透支代码，直接恢复旧代码可能造成重复修改和冲突。
+
+## 判断功能是否生效
+
+### 第一层：确认运行的是源码构建镜像
+
+```bash
+docker inspect sub2api --format '{{.Config.Image}}'
+```
+
+预期输出：
+
+```text
+sub2api-overdraft:local
+```
+
+如果输出 `weishaw/sub2api:latest`，说明当前仍在运行官方镜像，本功能不会生效。
+
+### 第二层：确认开关已开启
+
+```bash
+docker exec sub2api sh -lc 'printf "%s\n" "$GATEWAY_CODEX_QUOTA_OVERDRAFT_ENABLED"'
+```
+
+预期输出 `true`。修改 `.env` 后必须重建或重新创建应用容器：
+
+```bash
+docker compose \
+ -f docker-compose.local.yml \
+ -f docker-compose.overdraft.yml \
+ up -d --force-recreate sub2api
+```
+
+### 第三层：查看真实探测日志
+
+只有账号 5h/7d 额度达到 100%，或者收到带明确额度信息的上游 429，才会启动探测。额度达到 100% 后，可以在管理页面对该 OpenAI OAuth 账号执行常规文本“测试账号连接”；测试请求本身会使用透支请求形态，并触发或接续同一额度周期的探测。额度未耗尽时没有相关日志是正常现象。
+
+```bash
+docker logs --since 30m sub2api 2>&1 | \
+ grep -E 'codex_quota_overdraft_(probe|state|pause|stale_rate_limit)'
+```
+
+关键日志：
+
+| 日志 | 含义 |
+| --- | --- |
+| `codex_quota_overdraft_probe_passed` | 至少一次真实探测成功，透支成立，账号继续参与调度 |
+| `codex_quota_overdraft_probe_failed` | 5 次都明确返回额度限制，账号暂停至额度恢复时间 |
+| `codex_quota_overdraft_probe_inconclusive` | 网络、超时、5xx 等导致无法确认，约 1 分钟后可重试 |
+| `codex_quota_overdraft_probe_claim_failed` | 无法在 PostgreSQL 中原子领取探测任务，需要排查数据库或版本 |
+| `codex_quota_overdraft_state_persist_failed` | 状态无法写入 `accounts.extra`，页面可能不显示最新结果 |
+| `codex_quota_overdraft_stale_rate_limit_cleared` | 探测已证明账号可用，并清除了并发 429 遗留的账号级限流状态 |
+
+真正“透支成功”的最直接证据是：
+
+```text
+codex_quota_overdraft_probe_passed
+```
+
+其中会包含 `account_id`、`attempts`、`model` 和 `quota_window`。
+
+### 第四层：查看数据库持久化状态
+
+```bash
+docker compose \
+ -f docker-compose.local.yml \
+ -f docker-compose.overdraft.yml \
+ exec -T postgres sh -lc \
+ 'psql -U "$POSTGRES_USER" -d "$POSTGRES_DB" -x -c "
+ SELECT id, name, extra->'\''codex_quota_overdraft_probe'\'' AS overdraft_probe
+ FROM accounts
+ WHERE platform = '\''openai'\'' AND type = '\''oauth'\''
+ ORDER BY id;
+ "'
+```
+
+重点看 JSON 中的 `status`：
+
+| 状态 | 页面显示 | 含义 |
+| --- | --- | --- |
+| `pending` | 透支探测中 | 最多 5 次真实探测正在执行 |
+| `passed` | 透支中 | 上游仍可调用，账号继续调度并开始统计透支用量 |
+| `failed` | 已确认限额 | 5 次均明确受额度限制，暂停到恢复时间 |
+| `inconclusive` | 探测无法确认 | 暂时无法判断，查看 `reason_code` 和 `retry_at` |
+| `recovered` | 额度已恢复 | 原额度周期结束，相关暂停已清理 |
+
+页面显示 `透支中`，数据库为 `passed`，并且后续业务请求返回成功，三者同时满足即可确认功能完整生效。
+
+## 探测逻辑
+
+每个额度周期最多探测 5 次，每次最长 20 秒。模型按以下顺序循环：
+
+```text
+首选模型 -> gpt-5.5 -> gpt-5.4-mini -> 首选模型 -> gpt-5.5
+```
+
+- 任意一次返回有效 `response.completed` 或 `response.output_item.done`，立即记为 `passed`。
+- 只有 5 次都明确返回 `quota_limited`，才记为 `failed`。
+- 网络错误、超时、5xx、普通瞬时 429、无效响应等记为 `inconclusive`，不会因此误停账号。
+- 401/403 继续由原有认证失效逻辑处理。
+- 账号禁用、过载、代理故障、模型冷却等非额度限制不会被本功能绕过。
+
+多实例部署通过 PostgreSQL 原子领取（atomic claim）保证同一账号、同一额度周期只有一个实例发起探测。
+
+## 反向代理
+
+Nginx 需要把请求转发到宿主机的 `8080` 端口。使用 Codex CLI 时，建议在 Nginx `http` 块启用：
+
+```nginx
+underscores_in_headers on;
+```
+
+流式响应位置至少应包含：
+
+```nginx
+proxy_http_version 1.1;
+proxy_buffering off;
+proxy_cache off;
+proxy_read_timeout 3600s;
+proxy_send_timeout 3600s;
+```
+
+出现 `duplicate upstream "sub2api_backend"` 时，表示多个 Nginx 配置文件定义了同名 `upstream`。使用以下命令找出重复项，然后只保留一个定义：
+
+```bash
+grep -Rns 'upstream sub2api_backend' /etc/nginx/nginx.conf /etc/nginx/conf.d /etc/nginx/sites-enabled
+```
+
+修改后先验证再重载：
+
+```bash
+sudo nginx -t
+sudo systemctl reload nginx
+```
+
+## 日常升级本 Fork
+
+源码镜像的当前版本来自仓库根目录的 `FORK_VERSION`。后台检查更新时读取 GitHub 上 `codex-overdraft` 分支的同名文件：远端版本更高时显示更新提示，版本一致时显示最新。源码构建不会执行二进制在线更新或在线回退，以免官方程序覆盖 Fork 功能。
+
+运行数据均位于被 Git 忽略的目录中，正常 `git pull` 不会覆盖：
+
+```text
+deploy/.env
+deploy/data/
+deploy/postgres_data/
+deploy/redis_data/
+```
+
+升级步骤：
+
+```bash
+cd /opt/sub2api-overdraft
+git status --short
+git switch codex-overdraft
+git pull --ff-only origin codex-overdraft
+
+cd deploy
+docker compose \
+ -f docker-compose.local.yml \
+ -f docker-compose.overdraft.yml \
+ up -d --build
+```
+
+如果服务器目录是 `/opt/sub2api`，只需替换第一条路径。升级完成后重新执行“判断功能是否生效”中的镜像、环境变量和日志检查。
+
+更新后可在管理后台点击刷新，版本应显示为类似 `v0.1.176-overdraft.1`，更新方式应提示源码构建使用 `git pull`。也可以直接检查容器内二进制版本：
+
+```bash
+docker exec sub2api /app/sub2api -version
+```
+
+维护者发布新的源码版本时必须递增 `FORK_VERSION`，例如从 `0.1.176-overdraft.1` 改为 `0.1.176-overdraft.2`。同步到新的上游 Sub2API 版本时，使用 `0.1.177-overdraft.1` 这样的版本号。
+
+## 合并 Sub2API 官方更新
+
+本仓库保留两个分支角色：
+
+- `main`：尽量跟随官方 `Wei-Shaw/sub2api`，作为上游基线。
+- `codex-overdraft`：本项目默认分支，包含透支功能和公开文档。
+
+维护者可这样合并官方更新：
+
+```bash
+git remote get-url upstream >/dev/null 2>&1 || \
+ git remote add upstream https://github.com/Wei-Shaw/sub2api.git
+git fetch upstream
+git switch codex-overdraft
+git merge upstream/main
+```
+
+解决冲突后执行项目测试，提交并推送：
+
+```bash
+cd backend
+go test -tags=unit ./internal/repository ./internal/handler ./internal/service \
+ -run 'CodexQuotaOverdraft|AccountSchedulingThreshold|SchedulerSnapshot|SchedulableAccountQueryScopesCodex' \
+ -count=1
+go test ./internal/repository ./internal/handler ./internal/service ./cmd/server \
+ -run '^$' -count=1
+
+cd ../frontend
+pnpm install --frozen-lockfile
+pnpm run typecheck
+pnpm exec vitest run \
+ src/components/account/__tests__/UsageProgressBar.spec.ts \
+ src/components/account/__tests__/AccountUsageCell.spec.ts
+
+cd ..
+git diff --check
+git push origin codex-overdraft
+```
+
+更详细的实现文件和升级核对清单见 [CODEX_QUOTA_OVERDRAFT_CUSTOMIZATION.md](CODEX_QUOTA_OVERDRAFT_CUSTOMIZATION.md)。
+
+## 关闭与回滚
+
+如遇上游兼容问题，在 `deploy/.env` 设置：
+
+```bash
+GATEWAY_CODEX_QUOTA_OVERDRAFT_ENABLED=false
+```
+
+然后重新创建应用容器：
+
+```bash
+docker compose \
+ -f docker-compose.local.yml \
+ -f docker-compose.overdraft.yml \
+ up -d --force-recreate sub2api
+```
+
+关闭后会恢复官方调度与请求行为。数据库中已有的历史探测 JSON 可以保留，不影响关闭状态。
+
+## 备份
+
+数据库建议使用 `pg_dump` 做一致性备份：
+
+```bash
+cd /opt/sub2api-overdraft/deploy
+mkdir -p backups
+docker compose \
+ -f docker-compose.local.yml \
+ -f docker-compose.overdraft.yml \
+ exec -T postgres sh -lc \
+ 'pg_dump -U "$POSTGRES_USER" -d "$POSTGRES_DB" -Fc' \
+ > "backups/sub2api-$(date +%Y%m%d-%H%M%S).dump"
+```
+
+另外单独备份 `deploy/.env` 和 `deploy/data/config.yaml`。不要把备份、数据库目录、API Key 或 OAuth 凭证上传到公开仓库。
+
+## 常见故障
+
+### 没有任何透支日志
+
+先确认镜像和开关。若账号 5h/7d 尚未达到 100%，没有探测日志属于正常情况。使用管理页面的主动刷新获取最新额度后，再发送一次符合范围的文本请求。
+
+### 页面仍显示“限流中”
+
+页面的“限流中”直接来自账号记录的 `rate_limit_reset_at`。旧实现存在竞态：探测开始后若另一个 429 更新了该时间，即使探测最终 `passed`，严格时间比较也可能不清理它，因此出现“实际透支可用但页面限流中”。当前版本在 `passed/recovered` 时会清除该残留状态，并记录 `codex_quota_overdraft_stale_rate_limit_cleared`；`failed` 不会清理。
+
+其他真实限制仍会正常生效，包括账号禁用、401/403、5 次探测均确认额度耗尽、代理/网络错误、模型级冷却、并发限制或没有明确额度证据的其他上游 429。若状态持续存在，先按 `account_id` 检查上述日志、数据库中的 `extra->'codex_quota_overdraft_probe'` 和 `rate_limit_reset_at`，区分额度透支与普通限流。
+
+### `pq: could not determine data type of parameter $1`
+
+这是旧版原子领取（atomic claim）SQL 的 PostgreSQL 参数类型问题。当前代码已使用：
+
+```sql
+jsonb_build_object($1::text, $2::jsonb)
+```
+
+拉取最新 `codex-overdraft` 分支并使用 `--build --force-recreate` 重建应用容器。
+
+### API 返回 503 `no available accounts`
+
+这表示账号调度阶段没有可用账号，不是 Nginx 连接故障。检查账号是否属于 API Key 对应分组、是否启用、是否认证有效、是否被其他原因暂停，以及探测状态是否为 `failed`。
+
+### 容器无法绑定 8080
+
+查找占用者：
+
+```bash
+sudo ss -ltnp 'sport = :8080'
+```
+
+如果是旧的 systemd 版 `sub2api`，先确认后停止并禁用：
+
+```bash
+sudo systemctl disable --now sub2api
+```
+
+也可以在 `.env` 将 `SERVER_PORT` 改为其他未占用端口。
+
+### PostgreSQL 或 Redis 主机名无法解析
+
+应用、PostgreSQL 和 Redis 必须加入同一个 Compose 网络。始终使用两个 Compose 文件一起启动完整服务，不要只用 `docker run` 单独启动应用容器。
+
+## 开源与归属
+
+- 上游项目：[Wei-Shaw/sub2api](https://github.com/Wei-Shaw/sub2api)
+- 透支逻辑参考：[Mxucc/cpa-account-config-manager](https://github.com/Mxucc/cpa-account-config-manager)
+- 本项目遵循仓库中的 [GNU LGPL-3.0](LICENSE) 许可证。
+- 本项目不是 Sub2API 官方发行版，也不受 OpenAI 或其他上游服务商认可或支持。
diff --git a/CODEX_QUOTA_OVERDRAFT_CUSTOMIZATION.md b/CODEX_QUOTA_OVERDRAFT_CUSTOMIZATION.md
new file mode 100644
index 0000000000000000000000000000000000000000..ae1cd6c60ba753c6e950c64d86391029e89f7fc8
--- /dev/null
+++ b/CODEX_QUOTA_OVERDRAFT_CUSTOMIZATION.md
@@ -0,0 +1,165 @@
+# sub2api-overdraft 5h / 7d 额度透支定制记录
+
+本文件是维护者实现与升级记录。面向部署者的完整安装、验证、升级和故障排查说明见
+[CODEX_OVERDRAFT_DEPLOYMENT_CN.md](CODEX_OVERDRAFT_DEPLOYMENT_CN.md)。
+
+## 基本信息
+
+- 实施基线：`fbfdcef81`
+- 参考实现：<https://github.com/Mxucc/cpa-account-config-manager>
+- 功能开关：`gateway.codex_quota_overdraft_enabled`
+- 代码默认值：关闭；`deploy/config.example.yaml` 部署示例默认开启
+- Fork 版本文件：`FORK_VERSION`
+- 更新源：`DeanZFC/sub2api-overdraft` 的 `codex-overdraft` 分支
+
+## Fork 更新检查
+
+源码 Docker 构建会读取根目录的 `FORK_VERSION`，并以 `BuildType=source` 写入二进制。后台更新服务通过 GitHub Contents API 读取 Fork 分支上的同名文件，使用语义化版本比较判断是否有新版本。Redis 缓存同时记录仓库和构建类型，因此旧的官方更新缓存不会继续生效。
+
+源码构建仅显示 `git pull` 更新提示，`PerformUpdate`、指定版本回退和在线回退列表均被禁用，防止官方二进制覆盖透支功能。维护者每次发布 Fork 更新都必须递增 `FORK_VERSION`；普通补丁使用 `0.1.176-overdraft.2`，同步上游版本后使用 `0.1.177-overdraft.1`。
+
+## 后台测试连接与残留限流修复
+
+管理页面的 OpenAI OAuth 常规文本“测试账号连接”使用与真实业务请求相同的透支请求形态。测试成功并取得 5h/7d 快照后会触发额度观察；测试返回带明确额度证据的 429 时交给透支协调器执行最多 5 次真实探测，不再直接写入普通账号级限流。API Key、Shadow、图片和 Compact 测试不启用该行为。
+
+探测得到 `passed`，或额度周期进入 `recovered` 后，会清除仍残留的账号级 `rate_limit_reset_at` 以及本功能或额度阈值产生的暂停。这里不再要求当前重置时间与探测开始时记录的 `observed_rate_limit_reset_at` 完全相同，因为并发 429 可能在探测期间更新该字段；`failed` 状态不会清理限流。发生清理时记录 `codex_quota_overdraft_stale_rate_limit_cleared`。
+
+## PostgreSQL 兼容性修复
+
+探测计划使用原子 claim 写入 `accounts.extra`。`jsonb_build_object` 的键参数必须显式
+转换为 `text`，否则 PostgreSQL 会报 `could not determine data type of parameter $1`，导致
+所有探测在启动前失败。对应 SQL 使用：
+
+```sql
+jsonb_build_object($1::text, $2::jsonb)
+```
+
+## 启用方式
+
+在实际使用的 `config.yaml` 中加入：
+
+```yaml
+gateway:
+ codex_quota_overdraft_enabled: true
+```
+
+修改配置后重启 sub2api。出现上游兼容问题时可改为 `false` 并重启，立即恢复官方调度和请求行为。
+
+## 完整行为
+
+开启后，对 OpenAI OAuth 普通账号和 Agent Identity 账号生效，Shadow 账号除外。支持路径：
+
+- `/v1/responses`
+- `/v1/chat/completions` 转换到 Responses 的请求
+- `/v1/messages` 转换到 Responses 的请求
+- Responses WebSocket v2 首轮和后续轮
+- 管理页面 OpenAI OAuth 常规文本“测试账号连接”
+
+每次最终发往上游前，如果 `input` 最后一项是用户消息，则追加一对与参考项目相同的无操作 `custom_tool_call` 和 `custom_tool_call_output`。请求体超过 32 MiB、JSON 无效、形状不匹配或已经注入时保持原样。
+
+5h 或 7d 额度首次达到 100%，或者收到包含明确额度证据的真实 429 时，按参考项目执行复核：
+
+1. 同一额度周期只启动一个探测计划，状态持久化在 `accounts.extra.codex_quota_overdraft_probe`，多实例使用数据库原子 claim 去重。
+2. 最多执行 5 次真实 Responses 请求，每次独立 20 秒超时。
+3. 模型按“首选模型、`gpt-5.5`、`gpt-5.4-mini`”循环。例如首选为 `gpt-5.4` 时，顺序是 `gpt-5.4`、`gpt-5.5`、`gpt-5.4-mini`、`gpt-5.4`、`gpt-5.5`。
+4. 任意一次返回有效的 `response.completed` 或 `response.output_item.done` 即判定 `passed`，账号继续调度并开始透支统计。
+5. 只有 5 次均返回明确 `quota_limited` 才判定 `failed`，账号暂停到对应额度恢复时间；5h 和 7d 同时耗尽时取最晚恢复时间。
+6. 网络错误、超时、5xx、普通瞬时 429、无效响应、认证依赖不可用均判定 `inconclusive`，不会误停账号，一分钟后允许重试。
+7. 401/403 仍交给原有认证失效策略处理；账号禁用、过载、代理/传输故障、模型级冷却及其他临时不可调度原因不被绕过。
+8. 额度恢复后状态改为 `recovered`，清理本功能或额度阈值产生的暂停；5h 与 7d 分别维护透支起点，不会因另一窗口后来耗尽而重置已有统计。
+
+状态值包括 `pending`、`passed`、`failed`、`inconclusive`、`recovered`。账号用量页面显示探测状态、尝试次数、额度周期、透支期成功请求数、Token、账号金额及预计恢复时间。
+
+不需要新增数据库表或执行数据库结构迁移（schema migration）；周期状态保存在现有 `accounts.extra` JSONB 字段，透支统计读取现有 `usage_logs`。
+
+`/responses/compact`、生图请求、Embedding、Count Tokens、Live 等端点不启用额度透支。
+
+## 修改文件
+
+后端配置、路由和调度：
+
+- `backend/internal/config/config.go`
+- `backend/internal/handler/openai_chat_completions.go`
+- `backend/internal/handler/openai_gateway_handler.go`
+- `backend/internal/repository/account_repo.go`
+- `backend/internal/repository/account_repo_schedulable_projection_test.go`
+- `backend/internal/service/openai_account_runtime_block_fastpath.go`
+- `backend/internal/service/openai_account_scheduler.go`
+- `backend/internal/service/openai_codex_quota_overdraft.go`
+- `backend/internal/service/openai_codex_quota_overdraft_probe.go`
+- `backend/internal/service/openai_codex_quota_overdraft_test.go`
+- `backend/internal/service/openai_codex_quota_overdraft_probe_test.go`
+- `backend/internal/service/openai_gateway_forward.go`
+- `backend/internal/service/openai_gateway_passthrough.go`
+- `backend/internal/service/openai_gateway_scheduling.go`
+- `backend/internal/service/openai_gateway_service.go`
+- `backend/internal/service/openai_gateway_usage.go`
+- `backend/internal/service/openai_ws_forwarder_ingress.go`
+- `backend/internal/service/openai_ws_forwarder_support.go`
+- `backend/internal/service/openai_ws_forwarder_v2.go`
+- `backend/internal/service/openai_ws_v2_passthrough_adapter.go`
+- `backend/internal/service/ratelimit_service.go`
+- `backend/internal/service/account_usage_service.go`
+- `backend/internal/service/account_test_service.go`
+- `backend/internal/service/account_test_service_openai_test.go`
+- `backend/internal/service/account_test_service_openai_compact_test.go`
+- `backend/internal/service/wire.go`
+- `backend/cmd/server/wire_gen.go`
+
+前端、配置示例和测试：
+
+- `frontend/src/types/index.ts`
+- `frontend/src/components/account/UsageProgressBar.vue`
+- `frontend/src/components/account/AccountUsageCell.vue`
+- `frontend/src/components/account/__tests__/UsageProgressBar.spec.ts`
+- `frontend/src/components/account/__tests__/AccountUsageCell.spec.ts`
+- `frontend/src/i18n/locales/zh/dashboard.ts`
+- `frontend/src/i18n/locales/en/dashboard.ts`
+- `deploy/config.example.yaml`
+
+## 官方更新后的重新实施
+
+普通 `git pull` 不会静默丢弃未提交修改：能自动合并时会保留，冲突时会停止。安装脚本若强制重置、删除目录后重拉或重新解压，则可能覆盖本定制。
+
+1. 更新前保存补丁：`git diff > codex-quota-overdraft.patch`
+2. 拉取官方代码并处理冲突。
+3. 尝试恢复补丁：`git apply --3way codex-quota-overdraft.patch`
+4. 无法自动应用时，按本文件“完整行为”和“修改文件”逐项重新接入。
+5. 在 `backend` 执行 `go generate ./cmd/server`，重新生成 Wire。
+6. 确认实际 `config.yaml` 仍有 `gateway.codex_quota_overdraft_enabled: true`。
+7. 运行验证：
+
+```bash
+cd backend
+gofmt -w internal/service/openai_codex_quota_overdraft*.go
+go test -tags=unit ./internal/repository ./internal/handler ./internal/service \
+ -run 'CodexQuotaOverdraft|AccountTestService_OpenAI|AccountSchedulingThreshold|SchedulerSnapshot|SchedulableAccountQueryScopesCodex' -count=1
+go test ./internal/repository ./internal/handler ./internal/service ./cmd/server -run '^$' -count=1
+
+cd ../frontend
+pnpm install --frozen-lockfile
+pnpm run typecheck
+pnpm exec vitest run \
+ src/components/account/__tests__/UsageProgressBar.spec.ts \
+ src/components/account/__tests__/AccountUsageCell.spec.ts
+
+cd ..
+git diff --check
+```
+
+人工核对所有 Responses 出站路径仍在最终发送前注入，并检查日志关键字：
+
+```text
+codex_quota_overdraft_probe_passed
+codex_quota_overdraft_probe_failed
+codex_quota_overdraft_probe_inconclusive
+codex_quota_overdraft_stale_rate_limit_cleared
+```
+
+数据库状态可这样检查：
+
+```sql
+SELECT id, name, extra->'codex_quota_overdraft_probe'
+FROM accounts
+WHERE platform = 'openai' AND type = 'oauth';
+```
diff --git a/Dockerfile b/Dockerfile
index b2dfd7034f769abd7e8640090282e6b05a2af4a1..657985091514edeb8358800d4ac49ce7299edd38 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -56,6 +56,7 @@ FROM --platform=${BUILDPLATFORM} ${GOLANG_IMAGE} AS backend-builder
ARG VERSION=
ARG COMMIT=docker
ARG DATE
+ARG BUILD_TYPE=source
ARG GOPROXY
ARG GOSUMDB
# Populated by buildx from the --platform target (e.g. linux/amd64).
@@ -79,20 +80,22 @@ RUN --mount=type=cache,id=sub2api-gomod,target=/go/pkg/mod \
# Copy backend source first
COPY backend/ ./
+COPY FORK_VERSION /app/FORK_VERSION
# Copy frontend dist from previous stage (must be after backend copy to avoid being overwritten)
COPY --from=frontend-builder /app/backend/internal/web/dist ./internal/web/dist
-# Build the binary (BuildType=release for CI builds, embed frontend)
-# Version precedence: build arg VERSION > exact git tag > cmd/server/VERSION
+# Build the binary and embed the frontend. Fork source builds read FORK_VERSION;
+# CI release builds still override VERSION and BUILD_TYPE explicitly.
RUN --mount=type=cache,id=sub2api-gomod,target=/go/pkg/mod \
--mount=type=cache,id=sub2api-gobuild,target=/root/.cache/go-build \
VERSION_VALUE="${VERSION}" && \
+ if [ -z "${VERSION_VALUE}" ] && [ -s /app/FORK_VERSION ]; then VERSION_VALUE="$(tr -d '\r\n' < /app/FORK_VERSION)"; fi && \
if [ -z "${VERSION_VALUE}" ]; then VERSION_VALUE="$(./scripts/resolve-version.sh)"; fi && \
DATE_VALUE="${DATE:-$(date -u +%Y-%m-%dT%H:%M:%SZ)}" && \
CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build \
-tags embed \
- -ldflags="-s -w -X main.Version=${VERSION_VALUE} -X main.Commit=${COMMIT} -X main.Date=${DATE_VALUE} -X main.BuildType=release" \
+ -ldflags="-s -w -X main.Version=${VERSION_VALUE} -X main.Commit=${COMMIT} -X main.Date=${DATE_VALUE} -X main.BuildType=${BUILD_TYPE}" \
-trimpath \
-o /app/sub2api \
./cmd/server
@@ -108,9 +111,10 @@ FROM ${POSTGRES_IMAGE} AS pg-client
FROM ${ALPINE_IMAGE}
# Labels
-LABEL maintainer="Wei-Shaw <github.com/Wei-Shaw>"
-LABEL description="Sub2API - AI API Gateway Platform"
-LABEL org.opencontainers.image.source="https://github.com/Wei-Shaw/sub2api"
+LABEL maintainer="DeanZFC <github.com/DeanZFC>"
+LABEL description="sub2api-overdraft - Sub2API fork with Codex quota overdraft support"
+LABEL org.opencontainers.image.source="https://github.com/DeanZFC/sub2api-overdraft"
+LABEL org.opencontainers.image.licenses="LGPL-3.0-or-later"
# Install runtime dependencies
RUN apk add --no-cache \
diff --git a/FORK_VERSION b/FORK_VERSION
new file mode 100644
index 0000000000000000000000000000000000000000..7770a2f7520859e155c2a8049db506d7a54063e6
--- /dev/null
+++ b/FORK_VERSION
@@ -0,0 +1 @@
+0.1.176-overdraft.1
diff --git a/README.md b/README.md
index f4ad2fa6b028bdc70ac0b502104a345dd8d940c1..4e0f4be6eea519b4c5c64928924776ebc4721b08 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
<div align="center">
-<img src="assets/logo.svg" alt="Sub2API Logo" width="128" />
+<img src="assets/logo.svg" alt="sub2api-overdraft Logo" width="128" />
-# Sub2API
+# sub2api-overdraft
[![Go](https://img.shields.io/badge/Go-1.26.5-00ADD8.svg)](https://golang.org/)
[![Vue](https://img.shields.io/badge/Vue-3.4+-4FC08D.svg)](https://vuejs.org/)
@@ -10,14 +10,43 @@
[![Redis](https://img.shields.io/badge/Redis-7+-DC382D.svg)](https://redis.io/)
[![Docker](https://img.shields.io/badge/Docker-Ready-2496ED.svg)](https://www.docker.com/)
-<a href="https://trendshift.io/repositories/21823" target="_blank"><img src="https://trendshift.io/api/badge/repositories/21823" alt="Wei-Shaw%2Fsub2api | Trendshift" width="250" height="55"/></a>
-
-**AI API Gateway Platform for Subscription Quota Distribution**
+**AI API gateway with Codex 5h / 7d quota overdraft probing, tracking, and recovery**
English | [中文](README_CN.md) | [日本語](README_JA.md)
</div>
+> [!IMPORTANT]
+> This is an unofficial fork of [Wei-Shaw/sub2api](https://github.com/Wei-Shaw/sub2api), not an official Sub2API release. The upstream install script and `weishaw/sub2api:latest` image do not contain the overdraft feature. Build this fork from source as documented below.
+
+## Fork Features
+
+- Runs up to five real probes after the reported Codex 5h or 7d quota reaches 100%.
+- Keeps an account schedulable after a successful probe and tracks overdraft requests, tokens, cost, and recovery for both windows independently.
+- Exposes `pending`, `passed`, `failed`, `inconclusive`, and `recovered` states in the admin UI and PostgreSQL.
+- Uses an atomic PostgreSQL claim for multi-instance deployments and requires no schema migration.
+- Supports an immediate configuration rollback to the upstream scheduling behavior.
+
+See the **[Chinese deployment and operations guide](CODEX_OVERDRAFT_DEPLOYMENT_CN.md)** for source builds, migration, verification, upgrades, rollback, Nginx, and troubleshooting. Maintainers should also read [CODEX_QUOTA_OVERDRAFT_CUSTOMIZATION.md](CODEX_QUOTA_OVERDRAFT_CUSTOMIZATION.md).
+
+Quick start:
+
+```bash
+git clone https://github.com/DeanZFC/sub2api-overdraft.git
+cd sub2api-overdraft/deploy
+cp .env.example .env
+# Set POSTGRES_PASSWORD, JWT_SECRET, and TOTP_ENCRYPTION_KEY in .env
+mkdir -p data postgres_data redis_data
+docker compose \
+ -f docker-compose.local.yml \
+ -f docker-compose.overdraft.yml \
+ up -d --build
+```
+
+This fork remains licensed under [GNU LGPL-3.0](LICENSE) and preserves upstream attribution. The overdraft behavior may conflict with upstream provider terms and may incur real usage or account restrictions. Operators are responsible for compliance and risk.
+
+The remaining feature, deployment, sponsor, and license text is inherited from the upstream Sub2API documentation. Upstream sponsorship does not imply sponsorship or endorsement of this fork.
+
## ⚠️ Important Notice
Please read the following carefully before using this project:
diff --git a/README_CN.md b/README_CN.md
index 2d2a57a9ff3a363618001dda3ffbfae84bcd0f41..780544e69d8c4bcf48f7ab8c1e1679c99f39c376 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -1,8 +1,8 @@
<div align="center">
-<img src="assets/logo.svg" alt="Sub2API Logo" width="128" />
+<img src="assets/logo.svg" alt="sub2api-overdraft Logo" width="128" />
-# Sub2API
+# sub2api-overdraft
[![Go](https://img.shields.io/badge/Go-1.26.5-00ADD8.svg)](https://golang.org/)
[![Vue](https://img.shields.io/badge/Vue-3.4+-4FC08D.svg)](https://vuejs.org/)
@@ -10,14 +10,76 @@
[![Redis](https://img.shields.io/badge/Redis-7+-DC382D.svg)](https://redis.io/)
[![Docker](https://img.shields.io/badge/Docker-Ready-2496ED.svg)](https://www.docker.com/)
-<a href="https://trendshift.io/repositories/21823" target="_blank"><img src="https://trendshift.io/api/badge/repositories/21823" alt="Wei-Shaw%2Fsub2api | Trendshift" width="250" height="55"/></a>
-
-**AI API 网关平台 - 订阅配额分发管理**
+**带 Codex 5h / 7d 额度透支探测、统计与恢复的 AI API 网关**
[English](README.md) | 中文 | [日本語](README_JA.md)
</div>
+> [!IMPORTANT]
+> 这是基于 [Wei-Shaw/sub2api](https://github.com/Wei-Shaw/sub2api) 的非官方 Fork，不是 Sub2API 官方发行版。官方安装脚本和 `weishaw/sub2api:latest` 镜像不包含本项目的透支功能，请按本仓库的源码构建文档部署。
+
+## 本 Fork 增加的功能
+
+- Codex 5h / 7d 额度达到 100% 后，最多执行 5 次真实请求探测，判断账号是否仍可继续调用。
+- 探测成功后继续参与账号调度，并分别统计 5h / 7d 透支期请求数、Token 和金额。
+- 管理页面显示“透支探测中”“透支中”“已确认限额”“探测无法确认”和“额度已恢复”。
+- 网络、超时、5xx 和普通瞬时 429 不会被误判为额度耗尽；401/403、账号禁用和其他风控仍使用原有策略。
+- 多实例通过 PostgreSQL 原子领取（atomic claim）去重；状态保存在现有 `accounts.extra`，无需新增数据表。
+- 可通过一个配置开关立即关闭，恢复上游 Sub2API 的调度和请求行为。
+- 管理后台从 `DeanZFC/sub2api-overdraft` 的 `codex-overdraft` 分支检查更新，不再使用官方 Sub2API 的版本结果。
+
+## 快速部署
+
+完整步骤、现有服务器迁移、Nginx、验证、升级和故障排查请阅读：
+
+**[sub2api-overdraft 部署与运维指南](CODEX_OVERDRAFT_DEPLOYMENT_CN.md)**
+
+最短部署流程：
+
+```bash
+git clone https://github.com/DeanZFC/sub2api-overdraft.git
+cd sub2api-overdraft/deploy
+cp .env.example .env
+chmod 600 .env
+# 编辑 .env，至少设置 POSTGRES_PASSWORD、JWT_SECRET 和 TOTP_ENCRYPTION_KEY
+mkdir -p data postgres_data redis_data
+docker compose \
+ -f docker-compose.local.yml \
+ -f docker-compose.overdraft.yml \
+ up -d --build
+```
+
+源码中的 `deploy/config.example.yaml` 只是模板。运行配置通常位于 `deploy/data/config.yaml`。透支开关为：
+
+```yaml
+gateway:
+ codex_quota_overdraft_enabled: true
+```
+
+公开的 `docker-compose.overdraft.yml` 已通过环境变量默认开启该功能。
+
+源码镜像会把根目录的 `FORK_VERSION` 写入版本信息。管理后台检测到 Fork 新版本后只提示使用 `git pull` 更新源码，不会下载官方二进制覆盖透支功能。完整更新命令见部署指南的“日常升级本 Fork”。
+
+## 如何确认透支成功
+
+账号额度达到 100% 后检查日志：
+
+```bash
+docker logs --since 30m sub2api 2>&1 | \
+ grep -E 'codex_quota_overdraft_(probe|state|pause|stale_rate_limit)'
+```
+
+出现 `codex_quota_overdraft_probe_passed`，页面显示“透支中”，并且后续真实业务请求成功，即可确认透支功能完整生效。OpenAI OAuth 常规文本“测试账号连接”也会使用透支请求形态并接入同一探测状态机；API Key、Shadow、图片和 Compact 测试除外。额度未达到 100% 时没有探测日志是正常现象。
+
+## 来源、许可证与风险
+
+- 上游项目：[Wei-Shaw/sub2api](https://github.com/Wei-Shaw/sub2api)
+- 透支逻辑参考：[Mxucc/cpa-account-config-manager](https://github.com/Mxucc/cpa-account-config-manager)
+- 许可证：[GNU LGPL-3.0](LICENSE)，保留上游版权和许可证声明。
+- 本功能不保证上游一定允许超额调用，探测和后续请求可能产生真实用量，也可能触发账号限制。请自行核对上游服务条款并承担使用风险。
+
+下面的功能、部署和赞助信息继承自上游 Sub2API 文档。上游赞助关系不代表这些组织赞助或认可本 Fork；需要透支功能时，请以上方本 Fork 部署指南为准。
## ⚠️ 重要提醒
@@ -273,12 +335,9 @@ sudo systemctl enable sub2api
#### 升级
-可以直接在 **管理后台** 左上角点击 **检测更新** 按钮进行在线升级。
+官方发行版可以直接在管理后台进行二进制在线升级。本 Fork 使用源码构建，管理后台会读取 `DeanZFC/sub2api-overdraft` 的 `FORK_VERSION` 检测新版本，并提示使用 `git pull` 后重新构建；不会在线替换二进制。
-网页升级功能支持：
-- 自动检测新版本
-- 一键下载并应用更新
-- 支持回滚
+本 Fork 的升级命令见 [日常升级本 Fork](CODEX_OVERDRAFT_DEPLOYMENT_CN.md#日常升级本-fork)。源码构建不支持页面内一键升级和在线回退，避免误装官方二进制而丢失透支功能。
#### 常用命令
diff --git a/README_JA.md b/README_JA.md
index 09aa77ee48aec83440ee76054887b2627c1e3792..03c1c30a544c193fd1ffc05a4297344905c2a011 100644
--- a/README_JA.md
+++ b/README_JA.md
@@ -1,8 +1,8 @@
<div align="center">
-<img src="assets/logo.svg" alt="Sub2API Logo" width="128" />
+<img src="assets/logo.svg" alt="sub2api-overdraft Logo" width="128" />
-# Sub2API
+# sub2api-overdraft
[![Go](https://img.shields.io/badge/Go-1.26.5-00ADD8.svg)](https://golang.org/)
[![Vue](https://img.shields.io/badge/Vue-3.4+-4FC08D.svg)](https://vuejs.org/)
@@ -10,14 +10,38 @@
[![Redis](https://img.shields.io/badge/Redis-7+-DC382D.svg)](https://redis.io/)
[![Docker](https://img.shields.io/badge/Docker-Ready-2496ED.svg)](https://www.docker.com/)
-<a href="https://trendshift.io/repositories/21823" target="_blank"><img src="https://trendshift.io/api/badge/repositories/21823" alt="Wei-Shaw%2Fsub2api | Trendshift" width="250" height="55"/></a>
-
-**サブスクリプションクォータ配分のための AI API ゲートウェイプラットフォーム**
+**Codex 5h / 7d クォータのオーバードラフト検証・集計・回復機能を追加した AI API ゲートウェイ**
[English](README.md) | [中文](README_CN.md) | 日本語
</div>
+> [!IMPORTANT]
+> これは [Wei-Shaw/sub2api](https://github.com/Wei-Shaw/sub2api) の非公式 Fork であり、Sub2API の公式リリースではありません。公式インストールスクリプトと `weishaw/sub2api:latest` イメージには、本 Fork のオーバードラフト機能は含まれていません。
+
+## Fork の追加機能
+
+- Codex の 5h または 7d クォータが 100% に達した後、最大 5 回の実リクエストで利用可否を検証します。
+- 検証成功後もアカウントをスケジュール対象に保ち、リクエスト数、Token、コスト、回復時刻を表示します。
+- `pending`、`passed`、`failed`、`inconclusive`、`recovered` の状態を管理画面と PostgreSQL に保存します。
+- PostgreSQL の atomic claim により複数インスタンスで重複検証を防ぎ、追加の schema migration は不要です。
+
+ソースビルド、既存環境からの移行、検証、更新、ロールバック、Nginx、トラブルシューティングについては、**[中国語のデプロイ・運用ガイド](CODEX_OVERDRAFT_DEPLOYMENT_CN.md)** を参照してください。
+
+```bash
+git clone https://github.com/DeanZFC/sub2api-overdraft.git
+cd sub2api-overdraft/deploy
+cp .env.example .env
+# .env に POSTGRES_PASSWORD、JWT_SECRET、TOTP_ENCRYPTION_KEY を設定
+mkdir -p data postgres_data redis_data
+docker compose \
+ -f docker-compose.local.yml \
+ -f docker-compose.overdraft.yml \
+ up -d --build
+```
+
+本 Fork は [GNU LGPL-3.0](LICENSE) を継承し、上流の著作権表示を保持します。以下の機能、デプロイ、スポンサー情報は上流 Sub2API の文書を継承したものであり、上流のスポンサーが本 Fork を支援または承認していることを意味しません。
+
## ⚠️ 重要なお知らせ
本プロジェクトをご利用になる前に、以下の内容を必ずよくお読みください：
diff --git a/backend/cmd/server/wire_gen.go b/backend/cmd/server/wire_gen.go
index ab9f4530b8663c00be9f04cf9c46c3822d6f9fb6..5f2d628569e4ebfdf682f810c9022af8131b7c8f 100644
--- a/backend/cmd/server/wire_gen.go
+++ b/backend/cmd/server/wire_gen.go
@@ -199,8 +199,9 @@ func initializeApplication(buildInfo handler.BuildInfo) (*Application, error) {
grokQuotaService := service.ProvideGrokQuotaService(accountRepository, proxyRepository, grokTokenProvider, httpUpstream, configConfig, usageLogRepository, settingService)
openAIQuotaService := service.ProvideOpenAIQuotaService(accountRepository, proxyRepository, openAITokenProvider, privacyClientFactory, openAIGatewayService)
usageCache := service.NewUsageCache()
- accountUsageService := service.ProvideAccountUsageService(accountRepository, usageLogRepository, claudeUsageFetcher, geminiQuotaService, antigravityQuotaFetcher, grokQuotaFetcher, grokQuotaService, openAIQuotaService, usageCache, identityCache, tlsFingerprintProfileService, openAIGatewayService)
- accountTestService := service.ProvideAccountTestService(accountRepository, geminiTokenProvider, claudeTokenProvider, grokTokenProvider, antigravityGatewayService, httpUpstream, configConfig, tlsFingerprintProfileService, openAIGatewayService, settingService)
+ codexQuotaOverdraftCoordinator := service.ProvideCodexQuotaOverdraftCoordinator(accountRepository, httpUpstream, openAITokenProvider, tlsFingerprintProfileService, configConfig, tempUnschedCache, openAIGatewayService, rateLimitService)
+ accountUsageService := service.ProvideAccountUsageService(accountRepository, usageLogRepository, claudeUsageFetcher, geminiQuotaService, antigravityQuotaFetcher, grokQuotaFetcher, grokQuotaService, openAIQuotaService, usageCache, identityCache, tlsFingerprintProfileService, openAIGatewayService, codexQuotaOverdraftCoordinator)
+ accountTestService := service.ProvideAccountTestService(accountRepository, geminiTokenProvider, claudeTokenProvider, grokTokenProvider, antigravityGatewayService, httpUpstream, configConfig, tlsFingerprintProfileService, openAIGatewayService, settingService, codexQuotaOverdraftCoordinator)
crsSyncService := service.NewCRSSyncService(accountRepository, proxyRepository, oAuthService, openAIOAuthService, geminiOAuthService, configConfig)
accountHandler := admin.ProvideAccountHandler(adminService, oAuthService, openAIOAuthService, geminiOAuthService, antigravityOAuthService, grokOAuthService, rateLimitService, accountUsageService, accountTestService, concurrencyService, crsSyncService, sessionLimitCache, rpmCache, compositeTokenCacheInvalidator, grokQuotaService)
adminAnnouncementHandler := admin.NewAnnouncementHandler(announcementService)
diff --git a/backend/internal/config/config.go b/backend/internal/config/config.go
index 0ed2b172139e0c765d26701bcafc7e677e729e8f..81b257b8ac547e6d8ec82fb1df07f38182853345 100644
--- a/backend/internal/config/config.go
+++ b/backend/internal/config/config.go
@@ -922,6 +922,9 @@ type GatewayConfig struct {
// CodexImageGenerationBridgeEnabled: 是否为 Codex `/v1/responses` 自动注入 image_generation 工具和桥接指令。
// 默认关闭，避免纯文本 Codex 请求被意外改写；显式携带 image_generation 工具的请求仍按分组能力转发。
CodexImageGenerationBridgeEnabled bool `mapstructure:"codex_image_generation_bridge_enabled"`
+ // CodexQuotaOverdraftEnabled: 是否启用 OpenAI OAuth Codex 5h/7d 额度透支。
+ // 包括请求注入、五次真实复核、调度门控和透支期用量统计；默认关闭。
+ CodexQuotaOverdraftEnabled bool `mapstructure:"codex_quota_overdraft_enabled"`
// ForcedCodexInstructionsTemplateFile: 服务端强制附加到 Codex 顶层 instructions 的模板文件路径。
// 模板渲染后会直接覆盖最终 instructions；若需要保留客户端 system 转换结果，请在模板中显式引用 {{ .ExistingInstructions }}。
ForcedCodexInstructionsTemplateFile string `mapstructure:"forced_codex_instructions_template_file"`
@@ -2272,6 +2275,7 @@ func setDefaults() {
viper.SetDefault("gateway.disable_codex_identity_enforcement", false)
viper.SetDefault("gateway.disable_codex_originator_normalization", false)
viper.SetDefault("gateway.codex_image_generation_bridge_enabled", false)
+ viper.SetDefault("gateway.codex_quota_overdraft_enabled", false)
viper.SetDefault("gateway.openai_passthrough_allow_timeout_headers", false)
viper.SetDefault("gateway.openai_compact_model", "gpt-5.4")
viper.SetDefault("gateway.live.max_session_duration_seconds", 3600)
diff --git a/backend/internal/handler/openai_chat_completions.go b/backend/internal/handler/openai_chat_completions.go
index 42dc13112a791aad5f0ce460a54630c6fade0d7a..17b47905886e1f845337b653ad73db03b23a00dd 100644
--- a/backend/internal/handler/openai_chat_completions.go
+++ b/backend/internal/handler/openai_chat_completions.go
@@ -149,7 +149,8 @@ func (h *OpenAIGatewayHandler) ChatCompletions(c *gin.Context) {
var oauth429FailoverState service.OpenAIOAuth429FailoverState
// 分组利润控制：chat completions 文本入口请求级装门并固定 pricingAt。
- ccPricingCtx, pricingAt := h.gatewayService.WithOpenAIRequestPricingContext(c.Request.Context(), apiKey.GroupID)
+ ccPricingCtx := service.WithCodexQuotaOverdraftScheduling(c.Request.Context())
+ ccPricingCtx, pricingAt := h.gatewayService.WithOpenAIRequestPricingContext(ccPricingCtx, apiKey.GroupID)
c.Request = c.Request.WithContext(ccPricingCtx)
for {
diff --git a/backend/internal/handler/openai_gateway_handler.go b/backend/internal/handler/openai_gateway_handler.go
index 26b5dd03c54ec4dadaf7e4f6a41745c3eeabb8f8..b71abfe10b037475442f1d86e58b139738cb1668 100644
--- a/backend/internal/handler/openai_gateway_handler.go
+++ b/backend/internal/handler/openai_gateway_handler.go
@@ -443,7 +443,11 @@ func (h *OpenAIGatewayHandler) Responses(c *gin.Context) {
// D 与计费高峰因子，选号、槽位终检与全部 failover 重入共用同一门与阈值。
// 生图意图只影响能力路由与图片计费，不关门：混合 /v1/responses 请求的
// token 计费部分仍受利润门保护，独立图片/视频端点才在门外。
- pricingCtx, pricingAt := h.gatewayService.WithOpenAIRequestPricingContext(c.Request.Context(), apiKey.GroupID)
+ requestCtx := c.Request.Context()
+ if !requireCompact && !imageIntent {
+ requestCtx = service.WithCodexQuotaOverdraftScheduling(requestCtx)
+ }
+ pricingCtx, pricingAt := h.gatewayService.WithOpenAIRequestPricingContext(requestCtx, apiKey.GroupID)
c.Request = c.Request.WithContext(pricingCtx)
for {
@@ -1016,7 +1020,8 @@ func (h *OpenAIGatewayHandler) Messages(c *gin.Context) {
effectiveMappedModel := preferredMappedModel
// 分组利润控制：Messages 文本入口同样请求级装门并固定 pricingAt。
- msgPricingCtx, pricingAt := h.gatewayService.WithOpenAIRequestPricingContext(c.Request.Context(), apiKey.GroupID)
+ msgPricingCtx := service.WithCodexQuotaOverdraftScheduling(c.Request.Context())
+ msgPricingCtx, pricingAt := h.gatewayService.WithOpenAIRequestPricingContext(msgPricingCtx, apiKey.GroupID)
c.Request = c.Request.WithContext(msgPricingCtx)
for {
@@ -1735,6 +1740,10 @@ func (h *OpenAIGatewayHandler) ResponsesWebSocket(c *gin.Context) {
closeOpenAIClientWS(wsConn, coderws.StatusPolicyViolation, service.ImageGenerationPermissionMessage())
return
}
+ if !imageIntent {
+ ctx = service.WithCodexQuotaOverdraftScheduling(ctx)
+ c.Request = c.Request.WithContext(ctx)
+ }
// F5a: 握手层会话屏蔽检查。WS 握手无 body，显式标识仅来自握手 header
// （session_id / conversation_id）；无标识则放行，连接内仍有本地 flag 兜底。
diff --git a/backend/internal/repository/account_repo.go b/backend/internal/repository/account_repo.go
index 010442eb6bcf3b80d4e7d65c27d8b9dd966259d4..65a592fcbfcaa1327a2fcce759550cb74c62d64d 100644
--- a/backend/internal/repository/account_repo.go
+++ b/backend/internal/repository/account_repo.go
@@ -56,6 +56,7 @@ var schedulerNeutralExtraKeyPrefixes = []string{
"codex_secondary_",
"codex_5h_",
"codex_7d_",
+ "codex_quota_overdraft_",
"codex_reset_credit_",
"passive_usage_",
"upstream_billing_probe",
@@ -1832,7 +1833,7 @@ func (r *accountRepository) BindGroups(ctx context.Context, accountID int64, gro
}
func (r *accountRepository) ListSchedulable(ctx context.Context) ([]service.Account, error) {
- accounts, err := r.schedulableAccountsQuery(time.Now()).All(ctx)
+ accounts, err := r.schedulableAccountsQuery(ctx, time.Now()).All(ctx)
if err != nil {
return nil, err
}
@@ -1840,7 +1841,7 @@ func (r *accountRepository) ListSchedulable(ctx context.Context) ([]service.Acco
}
func (r *accountRepository) ListSchedulableAccountLoads(ctx context.Context) ([]service.AccountWithConcurrency, error) {
- accounts, err := r.schedulableAccountsQuery(time.Now()).
+ accounts, err := r.schedulableAccountsQuery(ctx, time.Now()).
Select(
dbaccount.FieldID,
dbaccount.FieldConcurrency,
@@ -1866,12 +1867,12 @@ func (r *accountRepository) ListSchedulableAccountLoads(ctx context.Context) ([]
return loads, nil
}
-func (r *accountRepository) schedulableAccountsQuery(now time.Time) *dbent.AccountQuery {
+func (r *accountRepository) schedulableAccountsQuery(ctx context.Context, now time.Time) *dbent.AccountQuery {
return r.client.Account.Query().
Where(
dbaccount.StatusEQ(service.StatusActive),
dbaccount.SchedulableEQ(true),
- tempUnschedulablePredicate(),
+ tempUnschedulablePredicate(ctx),
notExpiredPredicate(now),
dbaccount.Or(dbaccount.OverloadUntilIsNil(), dbaccount.OverloadUntilLTE(now)),
dbaccount.Or(dbaccount.RateLimitResetAtIsNil(), dbaccount.RateLimitResetAtLTE(now)),
@@ -1977,7 +1978,7 @@ func (r *accountRepository) ListSchedulableByPlatform(ctx context.Context, platf
dbaccount.PlatformEQ(platform),
dbaccount.StatusEQ(service.StatusActive),
dbaccount.SchedulableEQ(true),
- tempUnschedulablePredicate(),
+ tempUnschedulablePredicate(ctx),
notExpiredPredicate(now),
dbaccount.Or(dbaccount.OverloadUntilIsNil(), dbaccount.OverloadUntilLTE(now)),
dbaccount.Or(dbaccount.RateLimitResetAtIsNil(), dbaccount.RateLimitResetAtLTE(now)),
@@ -2011,7 +2012,7 @@ func (r *accountRepository) ListSchedulableByPlatforms(ctx context.Context, plat
dbaccount.PlatformIn(platforms...),
dbaccount.StatusEQ(service.StatusActive),
dbaccount.SchedulableEQ(true),
- tempUnschedulablePredicate(),
+ tempUnschedulablePredicate(ctx),
notExpiredPredicate(now),
dbaccount.Or(dbaccount.OverloadUntilIsNil(), dbaccount.OverloadUntilLTE(now)),
dbaccount.Or(dbaccount.RateLimitResetAtIsNil(), dbaccount.RateLimitResetAtLTE(now)),
@@ -2032,7 +2033,7 @@ func (r *accountRepository) ListSchedulableUngroupedByPlatform(ctx context.Conte
dbaccount.StatusEQ(service.StatusActive),
dbaccount.SchedulableEQ(true),
dbaccount.Not(dbaccount.HasAccountGroups()),
- tempUnschedulablePredicate(),
+ tempUnschedulablePredicate(ctx),
notExpiredPredicate(now),
dbaccount.Or(dbaccount.OverloadUntilIsNil(), dbaccount.OverloadUntilLTE(now)),
dbaccount.Or(dbaccount.RateLimitResetAtIsNil(), dbaccount.RateLimitResetAtLTE(now)),
@@ -2056,7 +2057,7 @@ func (r *accountRepository) ListSchedulableUngroupedByPlatforms(ctx context.Cont
dbaccount.StatusEQ(service.StatusActive),
dbaccount.SchedulableEQ(true),
dbaccount.Not(dbaccount.HasAccountGroups()),
- tempUnschedulablePredicate(),
+ tempUnschedulablePredicate(ctx),
notExpiredPredicate(now),
dbaccount.Or(dbaccount.OverloadUntilIsNil(), dbaccount.OverloadUntilLTE(now)),
dbaccount.Or(dbaccount.RateLimitResetAtIsNil(), dbaccount.RateLimitResetAtLTE(now)),
@@ -2592,6 +2593,49 @@ func (r *accountRepository) UpdateExtra(ctx context.Context, id int64, updates m
return nil
}
+// ClaimCodexQuotaOverdraftProbe atomically reserves one quota cycle. This
+// prevents duplicate five-request probe plans across multiple sub2api replicas.
+func (r *accountRepository) ClaimCodexQuotaOverdraftProbe(
+ ctx context.Context,
+ id int64,
+ state *service.CodexQuotaOverdraftProbeState,
+) (bool, error) {
+ if state == nil || strings.TrimSpace(state.CycleKey) == "" {
+ return false, nil
+ }
+ payload, err := json.Marshal(state)
+ if err != nil {
+ return false, err
+ }
+ result, err := r.sql.ExecContext(ctx, `
+ UPDATE accounts
+ SET extra = COALESCE(extra, '{}'::jsonb) || jsonb_build_object($1::text, $2::jsonb),
+ updated_at = NOW()
+ WHERE id = $3
+ AND deleted_at IS NULL
+ AND (
+ COALESCE(extra #>> '{codex_quota_overdraft_probe,cycle_key}', '') <> $4
+ OR (
+ extra #>> '{codex_quota_overdraft_probe,status}' = 'inconclusive'
+ AND COALESCE(NULLIF(extra #>> '{codex_quota_overdraft_probe,retry_at}', '')::timestamptz, '1970-01-01'::timestamptz) <= NOW()
+ )
+ OR (
+ extra #>> '{codex_quota_overdraft_probe,status}' = 'pending'
+ AND COALESCE(NULLIF(extra #>> '{codex_quota_overdraft_probe,started_at}', '')::timestamptz, '1970-01-01'::timestamptz) <= NOW() - INTERVAL '2 minutes'
+ )
+ )
+ `, service.CodexQuotaOverdraftProbeExtraKey, string(payload), id, state.CycleKey)
+ if err != nil {
+ return false, err
+ }
+ affected, err := result.RowsAffected()
+ if err != nil || affected == 0 {
+ return false, err
+ }
+ r.syncSchedulerAccountSnapshot(ctx, id)
+ return true, nil
+}
+
// UpdateUpstreamBillingProbeSnapshot stores a probe result only while the
// network identity used by that probe is still current.
func (r *accountRepository) UpdateUpstreamBillingProbeSnapshot(
@@ -3029,7 +3073,7 @@ func (r *accountRepository) queryAccountsByGroup(ctx context.Context, groupID in
if !opts.ignoreTransientState {
now := time.Now()
preds = append(preds,
- tempUnschedulablePredicate(),
+ tempUnschedulablePredicate(ctx),
notExpiredPredicate(now),
dbaccount.Or(dbaccount.OverloadUntilIsNil(), dbaccount.OverloadUntilLTE(now)),
dbaccount.Or(dbaccount.RateLimitResetAtIsNil(), dbaccount.RateLimitResetAtLTE(now)),
@@ -3134,13 +3178,23 @@ func (r *accountRepository) accountsToService(ctx context.Context, accounts []*d
return outAccounts, nil
}
-func tempUnschedulablePredicate() dbpredicate.Account {
+func tempUnschedulablePredicate(ctx context.Context) dbpredicate.Account {
return dbpredicate.Account(func(s *entsql.Selector) {
col := s.C("temp_unschedulable_until")
- s.Where(entsql.Or(
+ predicates := []*entsql.Predicate{
entsql.IsNull(col),
entsql.LTE(col, entsql.Expr("NOW()")),
- ))
+ }
+ if service.CodexQuotaOverdraftSchedulingEnabled(ctx) {
+ reasonCol := s.C("temp_unschedulable_reason")
+ predicates = append(predicates, entsql.And(
+ entsql.EQ(s.C("platform"), service.PlatformOpenAI),
+ entsql.EQ(s.C("type"), service.AccountTypeOAuth),
+ entsql.IsNull(s.C("parent_account_id")),
+ entsql.Contains(reasonCol, `"source":"`+service.AccountSchedulingThresholdReasonSource+`"`),
+ ))
+ }
+ s.Where(entsql.Or(predicates...))
})
}
diff --git a/backend/internal/repository/account_repo_schedulable_projection_test.go b/backend/internal/repository/account_repo_schedulable_projection_test.go
index 76d7e0bdc5fe272bbb4aa1cf24e543ec9acb4a43..328e9f2853005aa9d9287f0de6bca64dbf5f1e2c 100644
--- a/backend/internal/repository/account_repo_schedulable_projection_test.go
+++ b/backend/internal/repository/account_repo_schedulable_projection_test.go
@@ -9,6 +9,7 @@ import (
"github.com/DATA-DOG/go-sqlmock"
dbent "github.com/Wei-Shaw/sub2api/ent"
_ "github.com/Wei-Shaw/sub2api/ent/runtime"
+ "github.com/Wei-Shaw/sub2api/internal/service"
"github.com/stretchr/testify/require"
"entgo.io/ent/dialect"
@@ -80,3 +81,33 @@ func TestListSchedulableAccountLoadsUsesSingleProjectionQuery(t *testing.T) {
require.True(t, hasOrder, "projection query must preserve schedulable account order: %s", normalized)
require.Contains(t, orderClause, `"priority" ASC`)
}
+
+func TestSchedulableAccountQueryScopesCodexQuotaOverdraftToMarkedContext(t *testing.T) {
+ service.SetCodexQuotaOverdraftEnabled(true)
+ t.Cleanup(func() { service.SetCodexQuotaOverdraftEnabled(false) })
+
+ buildQuery := func(ctx context.Context) string {
+ var capturedSQL string
+ db, mock, err := sqlmock.New(sqlmock.QueryMatcherOption(captureEntQueryMatcher{actual: &capturedSQL}))
+ require.NoError(t, err)
+ t.Cleanup(func() { _ = db.Close() })
+ driver := entsql.OpenDB(dialect.Postgres, db)
+ client := dbent.NewClient(dbent.Driver(driver))
+ t.Cleanup(func() { _ = client.Close() })
+ repo := newAccountRepositoryWithSQL(client, db, nil)
+ mock.ExpectQuery("schedulable query").WillReturnRows(sqlmock.NewRows([]string{"id", "concurrency", "load_factor"}))
+ _, err = repo.ListSchedulableAccountLoads(ctx)
+ require.NoError(t, err)
+ require.NoError(t, mock.ExpectationsWereMet())
+ return normalizeSQLWhitespace(capturedSQL)
+ }
+
+ ordinarySQL := buildQuery(context.Background())
+ require.NotContains(t, ordinarySQL, `"temp_unschedulable_reason" LIKE`)
+
+ overdraftSQL := buildQuery(service.WithCodexQuotaOverdraftScheduling(context.Background()))
+ require.Contains(t, overdraftSQL, `"temp_unschedulable_reason" LIKE`)
+ require.Contains(t, overdraftSQL, `"platform" =`)
+ require.Contains(t, overdraftSQL, `"type" =`)
+ require.Contains(t, overdraftSQL, `"parent_account_id" IS NULL`)
+}
diff --git a/backend/internal/repository/github_release_service.go b/backend/internal/repository/github_release_service.go
index 282a215361b33d99f62d6e0fd259d21f5c58e164..f3898d23cc60256a37a4f7ada67f366f4e5f3175 100644
--- a/backend/internal/repository/github_release_service.go
+++ b/backend/internal/repository/github_release_service.go
@@ -2,6 +2,7 @@ package repository
import (
"context"
+ "encoding/base64"
"encoding/json"
"fmt"
"io"
@@ -112,6 +113,10 @@ func (c *githubReleaseClientError) FetchRecentReleases(ctx context.Context, repo
return nil, c.err
}
+func (c *githubReleaseClientError) FetchRepositoryFile(ctx context.Context, repo, ref, filePath string) ([]byte, error) {
+ return nil, c.err
+}
+
func (c *githubReleaseClientError) DownloadFile(ctx context.Context, url, dest string, maxSize int64) error {
return c.err
}
@@ -178,6 +183,56 @@ func (c *githubReleaseClient) FetchRecentReleases(ctx context.Context, repo stri
return releases, nil
}
+func (c *githubReleaseClient) FetchRepositoryFile(ctx context.Context, repo, ref, filePath string) ([]byte, error) {
+ repo = strings.Trim(strings.TrimSpace(repo), "/")
+ ref = strings.TrimSpace(ref)
+ filePath = strings.Trim(strings.TrimSpace(filePath), "/")
+ if repo == "" || ref == "" || filePath == "" || strings.Contains(filePath, "..") {
+ return nil, fmt.Errorf("invalid GitHub repository file reference")
+ }
+
+ endpoint := fmt.Sprintf("https://api.github.com/repos/%s/contents/%s", repo, filePath)
+ parsed, err := url.Parse(endpoint)
+ if err != nil {
+ return nil, err
+ }
+ query := parsed.Query()
+ query.Set("ref", ref)
+ parsed.RawQuery = query.Encode()
+ req, err := c.newAPIRequest(ctx, parsed.String())
+ if err != nil {
+ return nil, err
+ }
+
+ resp, err := c.httpClient.Do(req)
+ if err != nil {
+ return nil, err
+ }
+ defer func() { _ = resp.Body.Close() }()
+ if resp.StatusCode != http.StatusOK {
+ return nil, fmt.Errorf("GitHub API returned %d", resp.StatusCode)
+ }
+
+ var payload struct {
+ Encoding string `json:"encoding"`
+ Content string `json:"content"`
+ }
+ if err := json.NewDecoder(io.LimitReader(resp.Body, 256<<10)).Decode(&payload); err != nil {
+ return nil, err
+ }
+ if payload.Encoding != "base64" {
+ return nil, fmt.Errorf("unsupported GitHub file encoding %q", payload.Encoding)
+ }
+ decoded, err := base64.StdEncoding.DecodeString(strings.ReplaceAll(payload.Content, "\n", ""))
+ if err != nil {
+ return nil, fmt.Errorf("decode GitHub repository file: %w", err)
+ }
+ if len(decoded) > 64<<10 {
+ return nil, fmt.Errorf("GitHub repository file is too large")
+ }
+ return decoded, nil
+}
+
func (c *githubReleaseClient) DownloadFile(ctx context.Context, url, dest string, maxSize int64) error {
req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
if err != nil {
diff --git a/backend/internal/repository/github_release_service_test.go b/backend/internal/repository/github_release_service_test.go
index 3f93f0dfb607f32f078434f1ae1f1e75a05696be..fd7c28dd7a7cd18d07e0165ac6e1b8c950ceb947 100644
--- a/backend/internal/repository/github_release_service_test.go
+++ b/backend/internal/repository/github_release_service_test.go
@@ -3,6 +3,7 @@ package repository
import (
"bytes"
"context"
+ "encoding/base64"
"io"
"net/http"
"net/http/httptest"
@@ -393,6 +394,39 @@ func (s *GitHubReleaseServiceSuite) TestFetchRecentReleases_Success() {
require.Equal(s.T(), "v1.0.0", releases[2].TagName)
}
+func (s *GitHubReleaseServiceSuite) TestFetchRepositoryFile_Success() {
+ encoded := base64.StdEncoding.EncodeToString([]byte("0.1.176-overdraft.1\n"))
+ s.srv = newLocalTestServer(s.T(), http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+ require.Equal(s.T(), "/repos/DeanZFC/sub2api-overdraft/contents/FORK_VERSION", r.URL.Path)
+ require.Equal(s.T(), "codex-overdraft", r.URL.Query().Get("ref"))
+ require.Equal(s.T(), "application/vnd.github.v3+json", r.Header.Get("Accept"))
+ w.Header().Set("Content-Type", "application/json")
+ _, _ = w.Write([]byte(`{"encoding":"base64","content":"` + encoded + `"}`))
+ }))
+ s.client = &githubReleaseClient{
+ httpClient: &http.Client{Transport: &testTransport{testServerURL: s.srv.URL}},
+ downloadHTTPClient: &http.Client{},
+ }
+
+ content, err := s.client.FetchRepositoryFile(
+ context.Background(),
+ "DeanZFC/sub2api-overdraft",
+ "codex-overdraft",
+ "FORK_VERSION",
+ )
+
+ require.NoError(s.T(), err)
+ require.Equal(s.T(), "0.1.176-overdraft.1\n", string(content))
+}
+
+func (s *GitHubReleaseServiceSuite) TestFetchRepositoryFile_RejectsTraversal() {
+ s.client = newTestGitHubReleaseClient()
+
+ _, err := s.client.FetchRepositoryFile(context.Background(), "test/repo", "main", "../secret")
+
+ require.Error(s.T(), err)
+}
+
func (s *GitHubReleaseServiceSuite) TestFetchRecentReleases_Non200() {
s.srv = newLocalTestServer(s.T(), http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusForbidden)
diff --git a/backend/internal/service/account_test_service.go b/backend/internal/service/account_test_service.go
index 9e1d29c2f945b42a9ce5d1e5d7990ef72d7d7a95..450af91c8d7d3608c68087da7369c692f3d40436 100644
--- a/backend/internal/service/account_test_service.go
+++ b/backend/internal/service/account_test_service.go
@@ -146,6 +146,7 @@ type AccountTestService struct {
cfg *config.Config
settingService *SettingService
tlsFPProfileService *TLSFingerprintProfileService
+ codexQuotaOverdraft codexQuotaOverdraftAccountTestCoordinator
agentIdentityTaskMu sync.Mutex
agentIdentityWS agentIdentityWSConnectionInvalidator
// grokWSDialer is optional; realtime account tests use the default OpenAI-style
@@ -153,12 +154,23 @@ type AccountTestService struct {
grokWSDialer openAIWSClientDialer
}
+type codexQuotaOverdraftAccountTestCoordinator interface {
+ ObserveAccount(account *Account, preferredModel string)
+ HandleQuota429(ctx context.Context, account *Account, headers http.Header, body []byte, preferredModel string) bool
+}
+
func (s *AccountTestService) SetSettingService(settingService *SettingService) {
if s != nil {
s.settingService = settingService
}
}
+func (s *AccountTestService) SetCodexQuotaOverdraftCoordinator(coordinator *CodexQuotaOverdraftCoordinator) {
+ if s != nil {
+ s.codexQuotaOverdraft = coordinator
+ }
+}
+
// NewAccountTestService creates a new AccountTestService
func NewAccountTestService(
accountRepo AccountRepository,
@@ -693,6 +705,11 @@ func (s *AccountTestService) testOpenAIAccountConnection(c *gin.Context, account
}
payload := createOpenAITestPayload(upstreamTestModelID, isOAuth)
payloadBytes, _ := json.Marshal(payload)
+ if s.codexQuotaOverdraftTestEnabled(account) {
+ if updated, changed, err := injectCodexQuotaOverdraft(payloadBytes); err == nil && changed {
+ payloadBytes = updated
+ }
+ }
// Send test_start event once. A task-invalid Agent Identity response may
// restart this probe after registering a replacement task.
@@ -776,7 +793,11 @@ func (s *AccountTestService) testOpenAIAccountConnection(c *gin.Context, account
return s.testOpenAIAccountConnection(c, account, modelID, prompt, mode)
}
if resp.StatusCode == http.StatusTooManyRequests {
- s.reconcileOpenAI429State(ctx, account, resp.Header, body)
+ handled := s.codexQuotaOverdraft != nil && s.codexQuotaOverdraftTestEnabled(account) &&
+ s.codexQuotaOverdraft.HandleQuota429(ctx, account, resp.Header, body, upstreamTestModelID)
+ if !handled {
+ s.reconcileOpenAI429State(ctx, account, resp.Header, body)
+ }
}
// 401 Unauthorized: 标记账号为永久错误
if resp.StatusCode == http.StatusUnauthorized && s.accountRepo != nil {
@@ -785,9 +806,19 @@ func (s *AccountTestService) testOpenAIAccountConnection(c *gin.Context, account
}
return s.sendErrorAndEnd(c, fmt.Sprintf("API returned %d: %s", resp.StatusCode, string(body)))
}
-
// Process SSE stream
- return s.processOpenAIStream(c, resp.Body)
+ if err := s.processOpenAIStream(c, resp.Body); err != nil {
+ return err
+ }
+ if s.codexQuotaOverdraft != nil && s.codexQuotaOverdraftTestEnabled(account) {
+ s.codexQuotaOverdraft.ObserveAccount(account, upstreamTestModelID)
+ }
+ return nil
+}
+
+func (s *AccountTestService) codexQuotaOverdraftTestEnabled(account *Account) bool {
+ return s != nil && s.cfg != nil && s.cfg.Gateway.CodexQuotaOverdraftEnabled &&
+ isCodexQuotaOverdraftAccount(account)
}
// testGrokAccountConnection routes Grok admin connectivity tests by explicit mode first,
@@ -2548,6 +2579,7 @@ func createOpenAITestPayload(modelID string, isOAuth bool) map[string]any {
"model": modelID,
"input": []map[string]any{
{
+ "type": "message",
"role": "user",
"content": []map[string]any{
{
diff --git a/backend/internal/service/account_test_service_openai_compact_test.go b/backend/internal/service/account_test_service_openai_compact_test.go
index 5b973285a8bbc05a6dc3a42c87eb4ae9fc836210..c5cb7b9f89708ab63d0133a505623a0afae5d1f4 100644
--- a/backend/internal/service/account_test_service_openai_compact_test.go
+++ b/backend/internal/service/account_test_service_openai_compact_test.go
@@ -44,6 +44,7 @@ func TestAccountTestService_TestAccountConnection_OpenAICompactOAuthSuccessPersi
svc := &AccountTestService{
accountRepo: repo,
httpUpstream: upstream,
+ cfg: &config.Config{Gateway: config.GatewayConfig{CodexQuotaOverdraftEnabled: true}},
}
rec := httptest.NewRecorder()
@@ -63,6 +64,7 @@ func TestAccountTestService_TestAccountConnection_OpenAICompactOAuthSuccessPersi
require.Equal(t, "chatgpt-acc", upstream.lastReq.Header.Get("chatgpt-account-id"))
require.Equal(t, "true", upstream.lastReq.Header.Get("x-openai-fedramp"))
require.Equal(t, "gpt-5.4", gjson.GetBytes(upstream.lastBody, "model").String())
+ require.False(t, gjson.GetBytes(upstream.lastBody, "input.1").Exists())
updates := <-updateCalls
require.Equal(t, true, updates["openai_compact_supported"])
diff --git a/backend/internal/service/account_test_service_openai_test.go b/backend/internal/service/account_test_service_openai_test.go
index 2cd63ebe3fa98ac99643ce3aa54965eff4d7c008..00813e04e9fe9f99f2580e57ef0d0231c266884c 100644
--- a/backend/internal/service/account_test_service_openai_test.go
+++ b/backend/internal/service/account_test_service_openai_test.go
@@ -73,6 +73,35 @@ type openAIAccountTestRepo struct {
setErrorMsg string
}
+type accountTestOverdraftCoordinatorStub struct {
+ observeCalls int
+ observedAccount *Account
+ observedModel string
+ handleCalls int
+ handledAccount *Account
+ handledModel string
+ handleResult bool
+}
+
+func (s *accountTestOverdraftCoordinatorStub) ObserveAccount(account *Account, preferredModel string) {
+ s.observeCalls++
+ s.observedAccount = account
+ s.observedModel = preferredModel
+}
+
+func (s *accountTestOverdraftCoordinatorStub) HandleQuota429(
+ _ context.Context,
+ account *Account,
+ _ http.Header,
+ _ []byte,
+ preferredModel string,
+) bool {
+ s.handleCalls++
+ s.handledAccount = account
+ s.handledModel = preferredModel
+ return s.handleResult
+}
+
func (r *openAIAccountTestRepo) UpdateExtra(_ context.Context, _ int64, updates map[string]any) error {
r.updatedExtra = updates
return nil
@@ -137,6 +166,47 @@ func TestAccountTestService_OpenAISuccessPersistsSnapshotFromHeaders(t *testing.
require.Contains(t, recorder.Body.String(), "test_complete")
}
+func TestAccountTestService_OpenAIOAuthOverdraftTestInjectsAndObservesSnapshot(t *testing.T) {
+ ctx, _ := newTestContext()
+
+ resp := newJSONResponse(http.StatusOK, "")
+ resp.Body = io.NopCloser(strings.NewReader("data: {\"type\":\"response.completed\"}\n\n"))
+ resp.Header.Set("x-codex-secondary-used-percent", "100")
+ resp.Header.Set("x-codex-secondary-reset-after-seconds", "18000")
+ resp.Header.Set("x-codex-secondary-window-minutes", "300")
+
+ repo := &openAIAccountTestRepo{}
+ upstream := &queuedHTTPUpstream{responses: []*http.Response{resp}}
+ coordinator := &accountTestOverdraftCoordinatorStub{}
+ svc := &AccountTestService{
+ accountRepo: repo,
+ httpUpstream: upstream,
+ cfg: &config.Config{Gateway: config.GatewayConfig{CodexQuotaOverdraftEnabled: true}},
+ codexQuotaOverdraft: coordinator,
+ }
+ account := &Account{
+ ID: 96,
+ Platform: PlatformOpenAI,
+ Type: AccountTypeOAuth,
+ Concurrency: 1,
+ Credentials: map[string]any{"access_token": "test-token"},
+ }
+
+ err := svc.testOpenAIAccountConnection(ctx, account, "gpt-5.4", "", "")
+ require.NoError(t, err)
+ require.Len(t, upstream.requests, 1)
+ body, err := io.ReadAll(upstream.requests[0].Body)
+ require.NoError(t, err)
+ require.Equal(t, "message", gjson.GetBytes(body, "input.0.type").String())
+ require.Equal(t, "custom_tool_call", gjson.GetBytes(body, "input.1.type").String())
+ require.Equal(t, "custom_tool_call_output", gjson.GetBytes(body, "input.2.type").String())
+ require.Equal(t, gjson.GetBytes(body, "input.1.call_id").String(), gjson.GetBytes(body, "input.2.call_id").String())
+ require.Equal(t, 1, coordinator.observeCalls)
+ require.Same(t, account, coordinator.observedAccount)
+ require.Equal(t, "gpt-5.4", coordinator.observedModel)
+ require.Equal(t, 100.0, account.Extra["codex_5h_used_percent"])
+}
+
func TestAccountTestService_OpenAIOAuthTestNormalizesGPT56Alias(t *testing.T) {
gin.SetMode(gin.TestMode)
ctx, _ := newTestContext()
@@ -163,6 +233,8 @@ func TestAccountTestService_OpenAIOAuthTestNormalizesGPT56Alias(t *testing.T) {
body, err := io.ReadAll(upstream.requests[0].Body)
require.NoError(t, err)
require.Equal(t, "gpt-5.6-sol", gjson.GetBytes(body, "model").String())
+ require.Equal(t, "message", gjson.GetBytes(body, "input.0.type").String())
+ require.False(t, gjson.GetBytes(body, "input.1").Exists())
}
func TestAccountTestService_OpenAIShadowUsesParentCredentialsAndShadowModel(t *testing.T) {
@@ -209,7 +281,13 @@ func TestAccountTestService_OpenAIShadowUsesParentCredentialsAndShadowModel(t *t
},
}
upstream := &queuedHTTPUpstream{responses: []*http.Response{resp}}
- svc := &AccountTestService{accountRepo: repo, httpUpstream: upstream}
+ coordinator := &accountTestOverdraftCoordinatorStub{}
+ svc := &AccountTestService{
+ accountRepo: repo,
+ httpUpstream: upstream,
+ cfg: &config.Config{Gateway: config.GatewayConfig{CodexQuotaOverdraftEnabled: true}},
+ codexQuotaOverdraft: coordinator,
+ }
err := svc.TestAccountConnection(ctx, shadow.ID, "gpt-5.3-codex-spark", "", "")
require.NoError(t, err)
@@ -220,6 +298,9 @@ func TestAccountTestService_OpenAIShadowUsesParentCredentialsAndShadowModel(t *t
body, err := io.ReadAll(req.Body)
require.NoError(t, err)
require.Equal(t, "gpt-5.3-codex-spark", gjson.GetBytes(body, "model").String())
+ require.False(t, gjson.GetBytes(body, "input.1").Exists())
+ require.Zero(t, coordinator.observeCalls)
+ require.Zero(t, coordinator.handleCalls)
require.Contains(t, recorder.Body.String(), `"success":true`)
}
@@ -284,6 +365,72 @@ func TestAccountTestService_OpenAI429PersistsSnapshotAndRateLimitState(t *testin
require.NotNil(t, account.RateLimitResetAt)
}
+func TestAccountTestService_OpenAIQuota429UsesOverdraftCoordinatorWithoutRateLimitWrite(t *testing.T) {
+ ctx, _ := newTestContext()
+
+ resp := newJSONResponse(http.StatusTooManyRequests, `{"error":{"type":"usage_limit_reached","message":"limit reached","resets_at":1777283883}}`)
+ resp.Header.Set("x-codex-secondary-used-percent", "100")
+ resp.Header.Set("x-codex-secondary-reset-after-seconds", "18000")
+ resp.Header.Set("x-codex-secondary-window-minutes", "300")
+
+ repo := &openAIAccountTestRepo{}
+ upstream := &queuedHTTPUpstream{responses: []*http.Response{resp}}
+ coordinator := &accountTestOverdraftCoordinatorStub{handleResult: true}
+ svc := &AccountTestService{
+ accountRepo: repo,
+ httpUpstream: upstream,
+ cfg: &config.Config{Gateway: config.GatewayConfig{CodexQuotaOverdraftEnabled: true}},
+ codexQuotaOverdraft: coordinator,
+ }
+ account := &Account{
+ ID: 97,
+ Platform: PlatformOpenAI,
+ Type: AccountTypeOAuth,
+ Status: StatusActive,
+ Concurrency: 1,
+ Credentials: map[string]any{"access_token": "test-token"},
+ }
+
+ err := svc.testOpenAIAccountConnection(ctx, account, "gpt-5.4", "", "")
+ require.Error(t, err)
+ require.Equal(t, 1, coordinator.handleCalls)
+ require.Same(t, account, coordinator.handledAccount)
+ require.Equal(t, "gpt-5.4", coordinator.handledModel)
+ require.Zero(t, repo.rateLimitedID)
+ require.Nil(t, repo.rateLimitedAt)
+ require.Nil(t, account.RateLimitResetAt)
+}
+
+func TestAccountTestService_OpenAI429FallsBackWhenOverdraftDoesNotHandle(t *testing.T) {
+ ctx, _ := newTestContext()
+
+ resp := newJSONResponse(http.StatusTooManyRequests, `{"error":{"type":"rate_limit_exceeded","message":"too many requests","resets_in_seconds":60}}`)
+ repo := &openAIAccountTestRepo{}
+ upstream := &queuedHTTPUpstream{responses: []*http.Response{resp}}
+ coordinator := &accountTestOverdraftCoordinatorStub{}
+ svc := &AccountTestService{
+ accountRepo: repo,
+ httpUpstream: upstream,
+ cfg: &config.Config{Gateway: config.GatewayConfig{CodexQuotaOverdraftEnabled: true}},
+ codexQuotaOverdraft: coordinator,
+ }
+ account := &Account{
+ ID: 98,
+ Platform: PlatformOpenAI,
+ Type: AccountTypeOAuth,
+ Status: StatusActive,
+ Concurrency: 1,
+ Credentials: map[string]any{"access_token": "test-token"},
+ }
+
+ err := svc.testOpenAIAccountConnection(ctx, account, "gpt-5.4", "", "")
+ require.Error(t, err)
+ require.Equal(t, 1, coordinator.handleCalls)
+ require.Equal(t, account.ID, repo.rateLimitedID)
+ require.NotNil(t, repo.rateLimitedAt)
+ require.NotNil(t, account.RateLimitResetAt)
+}
+
func TestAccountTestService_OpenAI429BodyOnlyPersistsRateLimitAndClearsStaleError(t *testing.T) {
gin.SetMode(gin.TestMode)
ctx, _ := newTestContext()
@@ -432,8 +579,9 @@ func TestAccountTestService_OpenAIAPIKeyResponsesUsesCodexProbeHeaders(t *testin
resp.Body = io.NopCloser(strings.NewReader("data: {\"type\":\"response.completed\"}\n\n"))
upstream := &queuedHTTPUpstream{responses: []*http.Response{resp}}
svc := &AccountTestService{
- httpUpstream: upstream,
- cfg: &config.Config{Security: config.SecurityConfig{URLAllowlist: config.URLAllowlistConfig{Enabled: false}}},
+ httpUpstream: upstream,
+ cfg: &config.Config{Gateway: config.GatewayConfig{CodexQuotaOverdraftEnabled: true}, Security: config.SecurityConfig{URLAllowlist: config.URLAllowlistConfig{Enabled: false}}},
+ codexQuotaOverdraft: &accountTestOverdraftCoordinatorStub{},
}
account := &Account{
ID: 95,
@@ -453,6 +601,10 @@ func TestAccountTestService_OpenAIAPIKeyResponsesUsesCodexProbeHeaders(t *testin
req := upstream.requests[0]
require.Equal(t, "https://compat-upstream.example/v1/responses", req.URL.String())
requireOpenAICodexProbeHeaders(t, req.Header)
+ body, err := io.ReadAll(req.Body)
+ require.NoError(t, err)
+ require.Equal(t, "message", gjson.GetBytes(body, "input.0.type").String())
+ require.False(t, gjson.GetBytes(body, "input.1").Exists())
}
func TestAccountTestService_OpenAIAPIKeyResponsesUnsupportedUsesChatCompletionsPath(t *testing.T) {
diff --git a/backend/internal/service/account_usage_service.go b/backend/internal/service/account_usage_service.go
index 084d153ff2c03cce8d245be000e6b415280188b7..e9a3e78fac1734c5681da902687e985b6da99f0f 100644
--- a/backend/internal/service/account_usage_service.go
+++ b/backend/internal/service/account_usage_service.go
@@ -153,6 +153,10 @@ type UsageProgress struct {
WindowStats *WindowStats `json:"window_stats,omitempty"` // 窗口期统计（从窗口开始到当前的使用量）
UsedRequests int64 `json:"used_requests,omitempty"`
LimitRequests int64 `json:"limit_requests,omitempty"`
+ OverdraftActive bool `json:"overdraft_active,omitempty"`
+ OverdraftStats *WindowStats `json:"overdraft_stats,omitempty"`
+ OverdraftStarted *time.Time `json:"overdraft_started_at,omitempty"`
+ OverdraftRecover *time.Time `json:"overdraft_recover_at,omitempty"`
}
// AntigravityModelQuota Antigravity 单个模型的配额信息
@@ -182,18 +186,19 @@ type AICredit struct {
// UsageInfo 账号使用量信息
type UsageInfo struct {
- Source string `json:"source,omitempty"` // "passive" or "active"
- UpdatedAt *time.Time `json:"updated_at,omitempty"` // 更新时间
- FiveHour *UsageProgress `json:"five_hour"` // 5小时窗口
- SevenDay *UsageProgress `json:"seven_day,omitempty"` // 7天窗口
- SevenDaySonnet *UsageProgress `json:"seven_day_sonnet,omitempty"` // 7天Sonnet窗口
- SevenDayFable *UsageProgress `json:"seven_day_fable,omitempty"` // 7天Fable窗口（响应头 7d_oi）
- GeminiSharedDaily *UsageProgress `json:"gemini_shared_daily,omitempty"` // Gemini shared pool RPD (Google One / Code Assist)
- GeminiProDaily *UsageProgress `json:"gemini_pro_daily,omitempty"` // Gemini Pro 日配额
- GeminiFlashDaily *UsageProgress `json:"gemini_flash_daily,omitempty"` // Gemini Flash 日配额
- GeminiSharedMinute *UsageProgress `json:"gemini_shared_minute,omitempty"` // Gemini shared pool RPM (Google One / Code Assist)
- GeminiProMinute *UsageProgress `json:"gemini_pro_minute,omitempty"` // Gemini Pro RPM
- GeminiFlashMinute *UsageProgress `json:"gemini_flash_minute,omitempty"` // Gemini Flash RPM
+ Source string `json:"source,omitempty"` // "passive" or "active"
+ UpdatedAt *time.Time `json:"updated_at,omitempty"` // 更新时间
+ FiveHour *UsageProgress `json:"five_hour"` // 5小时窗口
+ SevenDay *UsageProgress `json:"seven_day,omitempty"` // 7天窗口
+ SevenDaySonnet *UsageProgress `json:"seven_day_sonnet,omitempty"` // 7天Sonnet窗口
+ SevenDayFable *UsageProgress `json:"seven_day_fable,omitempty"` // 7天Fable窗口（响应头 7d_oi）
+ CodexQuotaOverdraft *CodexQuotaOverdraftProbeState `json:"codex_quota_overdraft,omitempty"`
+ GeminiSharedDaily *UsageProgress `json:"gemini_shared_daily,omitempty"` // Gemini shared pool RPD (Google One / Code Assist)
+ GeminiProDaily *UsageProgress `json:"gemini_pro_daily,omitempty"` // Gemini Pro 日配额
+ GeminiFlashDaily *UsageProgress `json:"gemini_flash_daily,omitempty"` // Gemini Flash 日配额
+ GeminiSharedMinute *UsageProgress `json:"gemini_shared_minute,omitempty"` // Gemini shared pool RPM (Google One / Code Assist)
+ GeminiProMinute *UsageProgress `json:"gemini_pro_minute,omitempty"` // Gemini Pro RPM
+ GeminiFlashMinute *UsageProgress `json:"gemini_flash_minute,omitempty"` // Gemini Flash RPM
// Antigravity 多模型配额
AntigravityQuota map[string]*AntigravityModelQuota `json:"antigravity_quota,omitempty"`
@@ -302,10 +307,17 @@ type AccountUsageService struct {
cache *UsageCache
identityCache IdentityCache
tlsFPProfileService *TLSFingerprintProfileService
+ codexQuotaOverdraft *CodexQuotaOverdraftCoordinator
agentIdentityTaskMu sync.Mutex
agentIdentityWS agentIdentityWSConnectionInvalidator
}
+func (s *AccountUsageService) SetCodexQuotaOverdraftCoordinator(coordinator *CodexQuotaOverdraftCoordinator) {
+ if s != nil {
+ s.codexQuotaOverdraft = coordinator
+ }
+}
+
// NewAccountUsageService 创建AccountUsageService实例
func NewAccountUsageService(
accountRepo AccountRepository,
@@ -711,6 +723,7 @@ func (s *AccountUsageService) getOpenAIUsage(ctx context.Context, account *Accou
}
applyExtraToUsage(usage, account.Extra, now)
+ usage.CodexQuotaOverdraft, _ = codexQuotaOverdraftStateFromAccount(account)
if (force || shouldRefreshOpenAICodexSnapshot(account, usage, now)) && s.shouldProbeOpenAICodexSnapshot(account.ID, now, force) {
if account.IsShadow() {
@@ -741,6 +754,10 @@ func (s *AccountUsageService) getOpenAIUsage(ctx context.Context, account *Accou
}
}
+ if s.codexQuotaOverdraft != nil {
+ s.codexQuotaOverdraft.ObserveAccount(account, "")
+ }
+ usage.CodexQuotaOverdraft, _ = codexQuotaOverdraftStateFromAccount(account)
if s.usageLogRepo == nil {
return usage, nil
}
@@ -759,6 +776,8 @@ func (s *AccountUsageService) getOpenAIUsage(ctx context.Context, account *Accou
usage.SevenDay.WindowStats = windowStatsFromAccountStats(stats)
}
+ applyCodexQuotaOverdraftUsage(ctx, s.usageLogRepo, account, usage, now)
+
return usage, nil
}
diff --git a/backend/internal/service/openai_account_runtime_block_fastpath.go b/backend/internal/service/openai_account_runtime_block_fastpath.go
index ace8366a0eb0911f4854c027767f749e15646e5a..076004067c8d2aa027c62bf00e9df2a08dfd2ab9 100644
--- a/backend/internal/service/openai_account_runtime_block_fastpath.go
+++ b/backend/internal/service/openai_account_runtime_block_fastpath.go
@@ -73,6 +73,14 @@ func (s *OpenAIGatewayService) handleOpenAIAccountUpstreamError(ctx context.Cont
return false
}
stateCtx = withTempUnschedulableModel(stateCtx, canonicalModel)
+ preferredModel := ""
+ if len(canonicalModel) > 0 {
+ preferredModel = canonicalModel[0]
+ }
+ if statusCode == http.StatusTooManyRequests && s.codexQuotaOverdraft != nil &&
+ s.codexQuotaOverdraft.HandleQuota429(stateCtx, account, headers, responseBody, preferredModel) {
+ return false
+ }
if s.rateLimitService != nil && len(canonicalModel) > 0 && s.rateLimitService.HandleUpstreamModelNotFound(stateCtx, account, canonicalModel[0], statusCode, responseBody) {
return true
}
diff --git a/backend/internal/service/openai_account_scheduler.go b/backend/internal/service/openai_account_scheduler.go
index 6457ef8fc28c21cd3a1517391ca9c269d2fbd45b..154dd1dc6c805c14c50da61d812bf0709ec16ba9 100644
--- a/backend/internal/service/openai_account_scheduler.go
+++ b/backend/internal/service/openai_account_scheduler.go
@@ -1393,7 +1393,7 @@ func (s *defaultOpenAIAccountScheduler) selectByLoadBalance(
filtered := make([]*Account, 0, len(accounts))
loadReq := make([]AccountWithConcurrency, 0, len(accounts))
for i := range accounts {
- account := &accounts[i]
+ account := normalizeCodexQuotaOverdraftAccountForScheduling(ctx, &accounts[i])
if req.ExcludedIDs != nil {
if _, excluded := req.ExcludedIDs[account.ID]; excluded {
filterStats.exclude("excluded")
diff --git a/backend/internal/service/openai_codex_quota_overdraft.go b/backend/internal/service/openai_codex_quota_overdraft.go
new file mode 100644
index 0000000000000000000000000000000000000000..2aba1fd711b4d538fa4230a73ca07e388d80766f
--- /dev/null
+++ b/backend/internal/service/openai_codex_quota_overdraft.go
@@ -0,0 +1,210 @@
+package service
+
+import (
+ "context"
+ "crypto/rand"
+ "encoding/hex"
+ "encoding/json"
+ "strings"
+ "sync/atomic"
+ "time"
+
+ "github.com/tidwall/sjson"
+)
+
+const (
+ codexQuotaOverdraftCallIDPrefix = "call_sub2api_overdraft_"
+ codexQuotaOverdraftExecInput = `const r = await tools.exec_command({"cmd":"true","yield_time_ms":1000,"max_output_tokens":1000}); text(r.output);`
+ codexQuotaOverdraftMaxBodyBytes = 32 << 20
+)
+
+var codexQuotaOverdraftEnabled atomic.Bool
+
+// SetCodexQuotaOverdraftEnabled publishes the process-wide scheduling switch.
+// Request mutation still reads the gateway instance config directly.
+func SetCodexQuotaOverdraftEnabled(enabled bool) {
+ codexQuotaOverdraftEnabled.Store(enabled)
+}
+
+// CodexQuotaOverdraftEnabled is exported for repository scheduling predicates.
+func CodexQuotaOverdraftEnabled() bool {
+ return codexQuotaOverdraftEnabled.Load()
+}
+
+func isCodexQuotaOverdraftAccount(account *Account) bool {
+ return account != nil &&
+ account.Platform == PlatformOpenAI &&
+ account.Type == AccountTypeOAuth &&
+ !account.IsShadow()
+}
+
+type codexQuotaOverdraftSchedulingCtxKey struct{}
+
+// WithCodexQuotaOverdraftScheduling marks normal text-generation requests as
+// eligible for the experimental quota-overdraft behavior. The process-wide
+// configuration switch is still checked at every scheduling and mutation gate.
+func WithCodexQuotaOverdraftScheduling(ctx context.Context) context.Context {
+ if ctx == nil {
+ ctx = context.Background()
+ }
+ return context.WithValue(ctx, codexQuotaOverdraftSchedulingCtxKey{}, true)
+}
+
+// CodexQuotaOverdraftSchedulingEnabled reports whether the global switch and
+// the request-scoped endpoint marker are both enabled.
+func CodexQuotaOverdraftSchedulingEnabled(ctx context.Context) bool {
+ if !CodexQuotaOverdraftEnabled() || ctx == nil {
+ return false
+ }
+ enabled, _ := ctx.Value(codexQuotaOverdraftSchedulingCtxKey{}).(bool)
+ return enabled
+}
+
+func codexQuotaOverdraftSchedulingEnabled(ctx context.Context) bool {
+ return CodexQuotaOverdraftSchedulingEnabled(ctx)
+}
+
+func (s *OpenAIGatewayService) shouldInjectCodexQuotaOverdraft(ctx context.Context, account *Account, compact bool) bool {
+ return codexQuotaOverdraftSchedulingEnabled(ctx) && !compact &&
+ s != nil && s.cfg != nil && s.cfg.Gateway.CodexQuotaOverdraftEnabled &&
+ isCodexQuotaOverdraftAccount(account)
+}
+
+func (s *OpenAIGatewayService) prepareCodexQuotaOverdraftBody(ctx context.Context, account *Account, compact bool, body []byte) []byte {
+ if !s.shouldInjectCodexQuotaOverdraft(ctx, account, compact) {
+ return body
+ }
+ updated, changed, _ := injectCodexQuotaOverdraft(body)
+ if !changed {
+ return body
+ }
+ return updated
+}
+
+func (s *OpenAIGatewayService) prepareCodexQuotaOverdraftPayload(ctx context.Context, account *Account, payload map[string]any) map[string]any {
+ if !s.shouldInjectCodexQuotaOverdraft(ctx, account, false) || payload == nil {
+ return payload
+ }
+ raw, err := json.Marshal(payload)
+ if err != nil {
+ return payload
+ }
+ updated, changed, _ := injectCodexQuotaOverdraft(raw)
+ if !changed {
+ return payload
+ }
+ var out map[string]any
+ if err := json.Unmarshal(updated, &out); err != nil {
+ return payload
+ }
+ return out
+}
+
+type codexQuotaOverdraftDocument struct {
+ Input []json.RawMessage `json:"input"`
+}
+
+type codexQuotaOverdraftInputItem struct {
+ Type string `json:"type"`
+ Role string `json:"role"`
+ CallID string `json:"call_id"`
+}
+
+// injectCodexQuotaOverdraft appends the same no-op custom tool call pair used by
+// cpa-account-config-manager. Unsupported request shapes fail open unchanged.
+func injectCodexQuotaOverdraft(body []byte) ([]byte, bool, error) {
+ if len(body) == 0 || len(body) > codexQuotaOverdraftMaxBodyBytes {
+ return body, false, nil
+ }
+
+ var document codexQuotaOverdraftDocument
+ if err := json.Unmarshal(body, &document); err != nil {
+ return body, false, nil
+ }
+ if len(document.Input) == 0 {
+ return body, false, nil
+ }
+
+ for _, raw := range document.Input {
+ var item codexQuotaOverdraftInputItem
+ if err := json.Unmarshal(raw, &item); err == nil &&
+ item.Type == "custom_tool_call" &&
+ strings.HasPrefix(item.CallID, codexQuotaOverdraftCallIDPrefix) {
+ return body, false, nil
+ }
+ }
+
+ var last codexQuotaOverdraftInputItem
+ if err := json.Unmarshal(document.Input[len(document.Input)-1], &last); err != nil || last.Type != "message" || last.Role != "user" {
+ return body, false, nil
+ }
+
+ callID, ok := newCodexQuotaOverdraftCallID()
+ if !ok {
+ return body, false, nil
+ }
+ call, err := json.Marshal(map[string]any{
+ "type": "custom_tool_call",
+ "name": "exec",
+ "call_id": callID,
+ "input": codexQuotaOverdraftExecInput,
+ })
+ if err != nil {
+ return body, false, nil
+ }
+ output, err := json.Marshal(map[string]any{
+ "type": "custom_tool_call_output",
+ "call_id": callID,
+ "output": []map[string]string{{
+ "type": "input_text",
+ "text": "Script completed\nWall time 0.0 seconds\nOutput:\n",
+ }},
+ })
+ if err != nil {
+ return body, false, nil
+ }
+
+ document.Input = append(document.Input, call, output)
+ updatedInput, err := json.Marshal(document.Input)
+ if err != nil {
+ return body, false, nil
+ }
+ updated, err := sjson.SetRawBytes(body, "input", updatedInput)
+ if err != nil {
+ return body, false, nil
+ }
+ if len(updated) > codexQuotaOverdraftMaxBodyBytes {
+ return body, false, nil
+ }
+ return updated, true, nil
+}
+
+func normalizeCodexQuotaOverdraftAccountForScheduling(ctx context.Context, account *Account) *Account {
+ if !codexQuotaOverdraftSchedulingEnabled(ctx) || !isCodexQuotaOverdraftAccount(account) ||
+ !codexQuotaOverdraftSchedulingAllowed(account, time.Now().UTC()) ||
+ account.TempUnschedulableUntil == nil || !time.Now().Before(*account.TempUnschedulableUntil) ||
+ !IsAccountSchedulingThresholdReason(account.TempUnschedulableReason) {
+ return account
+ }
+ clone := *account
+ clone.TempUnschedulableUntil = nil
+ clone.TempUnschedulableReason = ""
+ return &clone
+}
+
+func normalizeCodexQuotaOverdraftAccountsForScheduling(ctx context.Context, accounts []Account) []Account {
+ for i := range accounts {
+ if normalized := normalizeCodexQuotaOverdraftAccountForScheduling(ctx, &accounts[i]); normalized != &accounts[i] {
+ accounts[i] = *normalized
+ }
+ }
+ return accounts
+}
+
+func newCodexQuotaOverdraftCallID() (string, bool) {
+ var random [12]byte
+ if _, err := rand.Read(random[:]); err != nil {
+ return "", false
+ }
+ return codexQuotaOverdraftCallIDPrefix + hex.EncodeToString(random[:]), true
+}
diff --git a/backend/internal/service/openai_codex_quota_overdraft_probe.go b/backend/internal/service/openai_codex_quota_overdraft_probe.go
new file mode 100644
index 0000000000000000000000000000000000000000..8ae318ca1a4fc8f34d18dfe46c6eb8020d185beb
--- /dev/null
+++ b/backend/internal/service/openai_codex_quota_overdraft_probe.go
@@ -0,0 +1,938 @@
+package service
+
+import (
+ "bytes"
+ "context"
+ "encoding/json"
+ "errors"
+ "fmt"
+ "io"
+ "log/slog"
+ "net/http"
+ "strings"
+ "sync"
+ "time"
+
+ "github.com/Wei-Shaw/sub2api/internal/config"
+ "github.com/Wei-Shaw/sub2api/internal/pkg/openai"
+ "github.com/Wei-Shaw/sub2api/internal/pkg/tlsfingerprint"
+)
+
+const (
+ CodexQuotaOverdraftProbeExtraKey = "codex_quota_overdraft_probe"
+
+ codexQuotaOverdraftProbePending = "pending"
+ codexQuotaOverdraftProbePassed = "passed"
+ codexQuotaOverdraftProbeFailed = "failed"
+ codexQuotaOverdraftProbeInconclusive = "inconclusive"
+ codexQuotaOverdraftProbeRecovered = "recovered"
+
+ codexQuotaOverdraftProbeAttemptLimit = 5
+ codexQuotaOverdraftProbeAttemptTimeout = 20 * time.Second
+ codexQuotaOverdraftProbePlanTimeout = codexQuotaOverdraftProbeAttemptLimit * codexQuotaOverdraftProbeAttemptTimeout
+ codexQuotaOverdraftProbeRetryDelay = time.Minute
+ codexQuotaOverdraftProbeBodyLimit = 256 << 10
+ codexQuotaOverdraftPauseSource = "codex_quota_overdraft"
+
+ codexQuotaOverdraftFallbackModel = "gpt-5.5"
+ codexQuotaOverdraftCompatibilityModel = "gpt-5.4-mini"
+)
+
+// CodexQuotaOverdraftProbeState is persisted in accounts.extra so quota-cycle
+// decisions survive restarts and are visible through the account usage API.
+type CodexQuotaOverdraftProbeState struct {
+ Status string `json:"status"`
+ QuotaWindow string `json:"quota_window"`
+ CycleKey string `json:"cycle_key"`
+ Attempts int `json:"attempts"`
+ Limit int `json:"limit"`
+ Model string `json:"model,omitempty"`
+ ReasonCode string `json:"reason_code,omitempty"`
+ StartedAt time.Time `json:"started_at"`
+ TestedAt *time.Time `json:"tested_at,omitempty"`
+ RetryAt *time.Time `json:"retry_at,omitempty"`
+ RecoverAt *time.Time `json:"recover_at,omitempty"`
+ FiveHourRecoverAt *time.Time `json:"five_hour_recover_at,omitempty"`
+ SevenDayRecoverAt *time.Time `json:"seven_day_recover_at,omitempty"`
+ OverdraftStartedAt *time.Time `json:"overdraft_started_at,omitempty"`
+ FiveHourStartedAt *time.Time `json:"five_hour_overdraft_started_at,omitempty"`
+ SevenDayStartedAt *time.Time `json:"seven_day_overdraft_started_at,omitempty"`
+ ObservedRateLimit *time.Time `json:"observed_rate_limit_reset_at,omitempty"`
+}
+
+type codexQuotaOverdraftSignal struct {
+ Window string
+ CycleKey string
+ RecoverAt time.Time
+ FiveHourRecoverAt *time.Time
+ SevenDayRecoverAt *time.Time
+}
+
+type codexQuotaOverdraftProbeResult struct {
+ Status string
+ ReasonCode string
+ StatusCode int
+ Model string
+ Headers http.Header
+ Body []byte
+}
+
+type codexQuotaOverdraftProbeClaimer interface {
+ ClaimCodexQuotaOverdraftProbe(context.Context, int64, *CodexQuotaOverdraftProbeState) (bool, error)
+}
+
+// CodexQuotaOverdraftCoordinator implements the bounded real-request gate used
+// by cpa-account-config-manager before it disables a quota-exhausted account.
+type CodexQuotaOverdraftCoordinator struct {
+ accountRepo AccountRepository
+ httpUpstream HTTPUpstream
+ openAITokenProvider *OpenAITokenProvider
+ tlsFPProfileService *TLSFingerprintProfileService
+ cfg *config.Config
+ tempUnschedCache TempUnschedCache
+ runtimeBlocker AccountRuntimeBlocker
+ rateLimitService *RateLimitService
+ agentIdentityWS agentIdentityWSConnectionInvalidator
+ agentIdentityTaskMu sync.Mutex
+ running sync.Map
+ now func() time.Time
+ probeAttemptForTest func(context.Context, *Account, string) codexQuotaOverdraftProbeResult
+}
+
+func NewCodexQuotaOverdraftCoordinator(
+ accountRepo AccountRepository,
+ httpUpstream HTTPUpstream,
+ openAITokenProvider *OpenAITokenProvider,
+ tlsFPProfileService *TLSFingerprintProfileService,
+ cfg *config.Config,
+ tempUnschedCache TempUnschedCache,
+ runtimeBlocker AccountRuntimeBlocker,
+ rateLimitService *RateLimitService,
+) *CodexQuotaOverdraftCoordinator {
+ coordinator := &CodexQuotaOverdraftCoordinator{
+ accountRepo: accountRepo,
+ httpUpstream: httpUpstream,
+ openAITokenProvider: openAITokenProvider,
+ tlsFPProfileService: tlsFPProfileService,
+ cfg: cfg,
+ tempUnschedCache: tempUnschedCache,
+ runtimeBlocker: runtimeBlocker,
+ rateLimitService: rateLimitService,
+ now: time.Now,
+ }
+ coordinator.agentIdentityWS, _ = runtimeBlocker.(agentIdentityWSConnectionInvalidator)
+ return coordinator
+}
+
+func (c *CodexQuotaOverdraftCoordinator) enabled() bool {
+ return c != nil && c.cfg != nil && c.cfg.Gateway.CodexQuotaOverdraftEnabled &&
+ c.accountRepo != nil && c.httpUpstream != nil
+}
+
+// ObserveAccount starts a probe when a persisted 5h/7d snapshot first reaches
+// 100%, and closes an old overdraft cycle after the quota window recovers.
+func (c *CodexQuotaOverdraftCoordinator) ObserveAccount(account *Account, preferredModel string) {
+ if !c.enabled() || !isCodexQuotaOverdraftAccount(account) || account.ID <= 0 {
+ return
+ }
+ accountCopy := cloneCodexQuotaOverdraftAccount(account)
+ go c.observeAccount(accountCopy, preferredModel)
+}
+
+func (c *CodexQuotaOverdraftCoordinator) observeAccount(account *Account, preferredModel string) {
+ if account == nil {
+ return
+ }
+ now := c.currentTime()
+ state, _ := codexQuotaOverdraftStateFromAccount(account)
+ if state != nil && clearRecoveredCodexQuotaOverdraftWindows(state, account, now) {
+ c.persistState(account.ID, state)
+ mergeAccountExtra(account, map[string]any{CodexQuotaOverdraftProbeExtraKey: state})
+ }
+ signal, exhausted := codexQuotaOverdraftSignalFromAccount(account, state, now)
+ if !exhausted {
+ c.recoverCycle(account, state, now)
+ return
+ }
+ c.startProbe(account, signal, preferredModel)
+}
+
+// HandleQuota429 intercepts only definite subscription-quota 429s. Ordinary
+// transient 429s continue through the existing rate-limit policy unchanged.
+func (c *CodexQuotaOverdraftCoordinator) HandleQuota429(
+ ctx context.Context,
+ account *Account,
+ headers http.Header,
+ body []byte,
+ preferredModel string,
+) bool {
+ if !c.enabled() || !isCodexQuotaOverdraftAccount(account) || account.ID <= 0 ||
+ !codexQuotaOverdraftResponseIsQuotaLimited(headers, body) {
+ return false
+ }
+
+ accountCopy := cloneCodexQuotaOverdraftAccount(account)
+ if snapshot := ParseCodexRateLimitHeaders(headers); snapshot != nil {
+ updates := buildCodexUsageExtraUpdates(snapshot, c.currentTime())
+ mergeAccountExtra(accountCopy, updates)
+ persistCtx, cancel := context.WithTimeout(context.WithoutCancel(ctx), 3*time.Second)
+ _ = c.accountRepo.UpdateExtra(persistCtx, account.ID, updates)
+ cancel()
+ }
+ state, _ := codexQuotaOverdraftStateFromAccount(accountCopy)
+ signal, exhausted := codexQuotaOverdraftSignalFromAccount(accountCopy, state, c.currentTime())
+ if !exhausted {
+ signal = codexQuotaOverdraftFallbackSignal(headers, body, state, c.currentTime())
+ }
+ if signal.CycleKey == "" {
+ return false
+ }
+ c.startProbe(accountCopy, signal, preferredModel)
+ return true
+}
+
+func (c *CodexQuotaOverdraftCoordinator) startProbe(account *Account, signal codexQuotaOverdraftSignal, preferredModel string) {
+ if account == nil || signal.CycleKey == "" {
+ return
+ }
+ current, hasCurrent := codexQuotaOverdraftStateFromAccount(account)
+ if hasCurrent && codexQuotaOverdraftStateCoversSignal(current, signal) {
+ switch current.Status {
+ case codexQuotaOverdraftProbePassed:
+ return
+ case codexQuotaOverdraftProbeFailed:
+ c.ensureFailedPause(account, current)
+ return
+ case codexQuotaOverdraftProbePending:
+ if c.currentTime().Sub(current.StartedAt) < 2*time.Minute {
+ return
+ }
+ case codexQuotaOverdraftProbeInconclusive:
+ if current.RetryAt != nil && c.currentTime().Before(*current.RetryAt) {
+ return
+ }
+ }
+ }
+
+ startedAt := c.currentTime().UTC()
+ state := &CodexQuotaOverdraftProbeState{
+ Status: codexQuotaOverdraftProbePending,
+ QuotaWindow: signal.Window,
+ CycleKey: signal.CycleKey,
+ Limit: codexQuotaOverdraftProbeAttemptLimit,
+ StartedAt: startedAt,
+ RecoverAt: codexQuotaOverdraftTimePtr(signal.RecoverAt),
+ FiveHourRecoverAt: cloneTimePtr(signal.FiveHourRecoverAt),
+ SevenDayRecoverAt: cloneTimePtr(signal.SevenDayRecoverAt),
+ ObservedRateLimit: cloneTimePtr(account.RateLimitResetAt),
+ }
+ carryCodexQuotaOverdraftWindowStarts(state, current, signal, startedAt)
+ claimed, err := c.claimProbe(account.ID, state)
+ if err != nil {
+ slog.Warn("codex_quota_overdraft_probe_claim_failed", "account_id", account.ID, "error", err)
+ return
+ }
+ if !claimed {
+ return
+ }
+ mergeAccountExtra(account, map[string]any{CodexQuotaOverdraftProbeExtraKey: state})
+
+ taskKey := fmt.Sprintf("%d:%s", account.ID, signal.CycleKey)
+ if _, loaded := c.running.LoadOrStore(taskKey, struct{}{}); loaded {
+ return
+ }
+ go func() {
+ defer c.running.Delete(taskKey)
+ c.runProbePlan(account.ID, signal, preferredModel, state)
+ }()
+}
+
+func (c *CodexQuotaOverdraftCoordinator) claimProbe(accountID int64, state *CodexQuotaOverdraftProbeState) (bool, error) {
+ ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+ defer cancel()
+ if claimer, ok := c.accountRepo.(codexQuotaOverdraftProbeClaimer); ok {
+ return claimer.ClaimCodexQuotaOverdraftProbe(ctx, accountID, state)
+ }
+ if err := c.accountRepo.UpdateExtra(ctx, accountID, map[string]any{CodexQuotaOverdraftProbeExtraKey: state}); err != nil {
+ return false, err
+ }
+ return true, nil
+}
+
+func (c *CodexQuotaOverdraftCoordinator) runProbePlan(
+ accountID int64,
+ signal codexQuotaOverdraftSignal,
+ preferredModel string,
+ state *CodexQuotaOverdraftProbeState,
+) {
+ planCtx, cancel := context.WithTimeout(context.Background(), codexQuotaOverdraftProbePlanTimeout)
+ defer cancel()
+
+ account, err := c.accountRepo.GetByID(planCtx, accountID)
+ if err != nil || !isCodexQuotaOverdraftAccount(account) {
+ c.finishInconclusive(accountID, state, "upstream_unavailable")
+ return
+ }
+ models := codexQuotaOverdraftProbeModels(preferredModel)
+ lastReason := "invalid_response"
+ quotaLimitedAttempts := 0
+ for attempt := 0; attempt < codexQuotaOverdraftProbeAttemptLimit; attempt++ {
+ if planCtx.Err() != nil {
+ c.finishInconclusive(accountID, state, "request_timeout")
+ return
+ }
+ model := models[attempt%len(models)]
+ attemptCtx, attemptCancel := context.WithTimeout(planCtx, codexQuotaOverdraftProbeAttemptTimeout)
+ result := c.runProbeAttempt(attemptCtx, account, model)
+ attemptCancel()
+ state.Attempts = attempt + 1
+ state.Model = result.Model
+ state.ReasonCode = result.ReasonCode
+ testedAt := c.currentTime().UTC()
+ state.TestedAt = &testedAt
+ lastReason = result.ReasonCode
+ if result.ReasonCode == "quota_limited" {
+ quotaLimitedAttempts++
+ }
+ c.persistState(accountID, state)
+
+ if result.Status == "available" {
+ state.Status = codexQuotaOverdraftProbePassed
+ state.ReasonCode = "model_response_ok"
+ state.RetryAt = nil
+ startCodexQuotaOverdraftWindows(state, signal, testedAt)
+ c.persistState(accountID, state)
+ c.clearQuotaPause(accountID, state)
+ slog.Info("codex_quota_overdraft_probe_passed", "account_id", accountID, "attempts", state.Attempts, "model", state.Model, "quota_window", signal.Window)
+ return
+ }
+ if result.Status == "inconclusive" {
+ c.finishInconclusive(accountID, state, result.ReasonCode)
+ return
+ }
+ if result.Status == "authentication_failed" {
+ if c.rateLimitService != nil {
+ c.rateLimitService.HandleUpstreamError(context.Background(), account, result.StatusCode, result.Headers, result.Body)
+ }
+ c.finishInconclusive(accountID, state, result.ReasonCode)
+ return
+ }
+ }
+ if quotaLimitedAttempts < codexQuotaOverdraftProbeAttemptLimit {
+ c.finishInconclusive(accountID, state, lastReason)
+ return
+ }
+
+ state.Status = codexQuotaOverdraftProbeFailed
+ state.ReasonCode = lastReason
+ state.RetryAt = nil
+ c.persistState(accountID, state)
+ c.ensureFailedPause(account, state)
+ slog.Warn("codex_quota_overdraft_probe_failed", "account_id", accountID, "attempts", state.Attempts, "quota_window", signal.Window, "recover_at", state.RecoverAt)
+}
+
+func (c *CodexQuotaOverdraftCoordinator) finishInconclusive(accountID int64, state *CodexQuotaOverdraftProbeState, reason string) {
+ now := c.currentTime().UTC()
+ retryAt := now.Add(codexQuotaOverdraftProbeRetryDelay)
+ state.Status = codexQuotaOverdraftProbeInconclusive
+ state.ReasonCode = reason
+ state.TestedAt = &now
+ state.RetryAt = &retryAt
+ c.persistState(accountID, state)
+ slog.Warn("codex_quota_overdraft_probe_inconclusive", "account_id", accountID, "attempts", state.Attempts, "reason", reason)
+}
+
+func (c *CodexQuotaOverdraftCoordinator) runProbeAttempt(ctx context.Context, account *Account, model string) codexQuotaOverdraftProbeResult {
+ if c.probeAttemptForTest != nil {
+ return c.probeAttemptForTest(ctx, account, model)
+ }
+ result := codexQuotaOverdraftProbeResult{Model: model}
+ upstreamModel := normalizeOpenAIModelForUpstream(account, account.GetMappedModel(model))
+ payload := map[string]any{
+ "model": upstreamModel,
+ "input": []map[string]any{{
+ "type": "message",
+ "role": "user",
+ "content": []map[string]string{{
+ "type": "input_text",
+ "text": "hi",
+ }},
+ }},
+ "instructions": "Reply with OK only.",
+ "stream": true,
+ "store": false,
+ }
+ payloadBytes, err := json.Marshal(payload)
+ if err != nil {
+ result.Status, result.ReasonCode = "inconclusive", "experimental_probe_unavailable"
+ return result
+ }
+ payloadBytes, changed, err := injectCodexQuotaOverdraft(payloadBytes)
+ if err != nil || !changed {
+ result.Status, result.ReasonCode = "inconclusive", "experimental_probe_unavailable"
+ return result
+ }
+
+ req, err := http.NewRequestWithContext(WithHTTPUpstreamProfile(ctx, HTTPUpstreamProfileOpenAI), http.MethodPost, chatgptCodexAPIURL, bytes.NewReader(payloadBytes))
+ if err != nil {
+ result.Status, result.ReasonCode = "inconclusive", "upstream_unavailable"
+ return result
+ }
+ req.Host = "chatgpt.com"
+ req.Header.Set("Content-Type", "application/json")
+ req.Header.Set("Accept", "text/event-stream")
+ req.Header.Set("OpenAI-Beta", "responses=experimental")
+ req.Header.Set("Originator", openai.CodexDefaultOriginator)
+ req.Header.Set("Version", openAICodexProbeVersion)
+ req.Header.Set("User-Agent", codexCLIUserAgent)
+
+ if account.IsOpenAIAgentIdentity() {
+ authHeaders, authErr := buildAgentIdentityAuthenticationHeaders(ctx, c.accountRepo, c.agentIdentityWS, &c.agentIdentityTaskMu, account)
+ if authErr != nil {
+ result.Status, result.ReasonCode = "inconclusive", "authentication_unavailable"
+ return result
+ }
+ for key, values := range authHeaders {
+ for _, value := range values {
+ req.Header.Add(key, value)
+ }
+ }
+ } else {
+ token := account.GetOpenAIAccessToken()
+ if c.openAITokenProvider != nil {
+ if refreshed, tokenErr := c.openAITokenProvider.GetAccessToken(ctx, account); tokenErr == nil {
+ token = refreshed
+ } else if strings.TrimSpace(token) == "" {
+ result.Status, result.ReasonCode = "inconclusive", "authentication_unavailable"
+ return result
+ }
+ }
+ if strings.TrimSpace(token) == "" {
+ result.Status, result.ReasonCode = "inconclusive", "authentication_unavailable"
+ return result
+ }
+ req.Header.Set("Authorization", "Bearer "+token)
+ }
+ setOpenAIChatGPTAccountHeaders(req.Header, account)
+ enforceCodexIdentityHeadersWithUA(req.Header, account.GetOpenAIUserAgent())
+ account.ApplyHeaderOverrides(req.Header)
+
+ proxyURL := ""
+ if account.ProxyID != nil && account.Proxy != nil {
+ proxyURL = account.Proxy.URL()
+ }
+ var tlsProfile = (*tlsfingerprint.Profile)(nil)
+ if c.tlsFPProfileService != nil {
+ tlsProfile = c.tlsFPProfileService.ResolveTLSProfile(account)
+ }
+ resp, err := c.httpUpstream.DoWithTLS(req, proxyURL, account.ID, account.Concurrency, tlsProfile)
+ if err != nil {
+ result.Status = "inconclusive"
+ if errors.Is(err, context.DeadlineExceeded) || errors.Is(ctx.Err(), context.DeadlineExceeded) {
+ result.ReasonCode = "request_timeout"
+ } else {
+ result.ReasonCode = "upstream_unavailable"
+ }
+ return result
+ }
+ defer func() { _ = resp.Body.Close() }()
+ result.StatusCode = resp.StatusCode
+ result.Headers = resp.Header.Clone()
+ body, readErr := io.ReadAll(io.LimitReader(resp.Body, codexQuotaOverdraftProbeBodyLimit+1))
+ if readErr != nil || len(body) > codexQuotaOverdraftProbeBodyLimit {
+ result.Status, result.ReasonCode = "inconclusive", "invalid_response"
+ return result
+ }
+ result.Body = body
+ result.Status, result.ReasonCode = classifyCodexQuotaOverdraftProbe(resp.StatusCode, resp.Header, body)
+ return result
+}
+
+func classifyCodexQuotaOverdraftProbe(statusCode int, headers http.Header, body []byte) (string, string) {
+ if statusCode >= http.StatusOK && statusCode < http.StatusMultipleChoices {
+ lower := bytes.ToLower(body)
+ if bytes.Contains(lower, []byte(`"type":"error"`)) || bytes.Contains(lower, []byte(`"type": "error"`)) ||
+ bytes.Contains(lower, []byte(`"response.failed"`)) {
+ return "retry", "invalid_response"
+ }
+ if bytes.Contains(lower, []byte(`"response.completed"`)) || bytes.Contains(lower, []byte(`"response.output_item.done"`)) {
+ return "available", "model_response_ok"
+ }
+ return "retry", "invalid_response"
+ }
+ switch statusCode {
+ case http.StatusUnauthorized, http.StatusForbidden:
+ return "authentication_failed", "authentication_failed"
+ case http.StatusPaymentRequired:
+ lower := strings.ToLower(string(body))
+ if strings.Contains(lower, "deactivated_workspace") || strings.Contains(lower, "account_deactivated") {
+ return "authentication_failed", "account_deactivated"
+ }
+ if codexQuotaOverdraftResponseIsQuotaLimited(headers, body) {
+ return "retry", "quota_limited"
+ }
+ return "retry", "invalid_response"
+ case http.StatusTooManyRequests:
+ if codexQuotaOverdraftResponseIsQuotaLimited(headers, body) {
+ return "retry", "quota_limited"
+ }
+ return "inconclusive", "transient_failure"
+ case http.StatusRequestTimeout, http.StatusGatewayTimeout:
+ return "inconclusive", "request_timeout"
+ default:
+ if statusCode >= http.StatusInternalServerError {
+ return "inconclusive", "upstream_unavailable"
+ }
+ if statusCode == http.StatusBadRequest || statusCode == http.StatusNotFound {
+ return "inconclusive", "model_not_found"
+ }
+ return "inconclusive", "invalid_response"
+ }
+}
+
+func (c *CodexQuotaOverdraftCoordinator) persistState(accountID int64, state *CodexQuotaOverdraftProbeState) {
+ ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+ defer cancel()
+ if err := c.accountRepo.UpdateExtra(ctx, accountID, map[string]any{CodexQuotaOverdraftProbeExtraKey: state}); err != nil {
+ slog.Warn("codex_quota_overdraft_state_persist_failed", "account_id", accountID, "error", err)
+ }
+}
+
+func (c *CodexQuotaOverdraftCoordinator) ensureFailedPause(account *Account, state *CodexQuotaOverdraftProbeState) {
+ if account == nil || state == nil || state.RecoverAt == nil || !state.RecoverAt.After(c.currentTime()) {
+ return
+ }
+ reason := BuildTempUnschedReasonPayload(codexQuotaOverdraftPauseSource, "five real overdraft probes confirmed quota exhaustion")
+ ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+ defer cancel()
+ if err := c.accountRepo.SetTempUnschedulable(ctx, account.ID, *state.RecoverAt, reason); err != nil {
+ slog.Warn("codex_quota_overdraft_pause_failed", "account_id", account.ID, "error", err)
+ return
+ }
+ if c.tempUnschedCache != nil {
+ _ = c.tempUnschedCache.SetTempUnsched(ctx, account.ID, &TempUnschedState{
+ UntilUnix: state.RecoverAt.Unix(),
+ TriggeredAtUnix: c.currentTime().Unix(),
+ StatusCode: http.StatusTooManyRequests,
+ ErrorMessage: "five real overdraft probes confirmed quota exhaustion",
+ })
+ }
+ if c.runtimeBlocker != nil {
+ c.runtimeBlocker.BlockAccountScheduling(account, *state.RecoverAt, codexQuotaOverdraftPauseSource)
+ }
+}
+
+func (c *CodexQuotaOverdraftCoordinator) clearQuotaPause(accountID int64, state *CodexQuotaOverdraftProbeState) {
+ ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+ defer cancel()
+ account, err := c.accountRepo.GetByID(ctx, accountID)
+ if err != nil || account == nil {
+ return
+ }
+ clearedSchedulingState := false
+ probeProvedAvailable := state != nil &&
+ (state.Status == codexQuotaOverdraftProbePassed || state.Status == codexQuotaOverdraftProbeRecovered)
+ if probeProvedAvailable && account.RateLimitResetAt != nil {
+ staleResetAt := account.RateLimitResetAt.UTC()
+ if err := c.accountRepo.ClearRateLimit(ctx, accountID); err != nil {
+ slog.Warn("codex_quota_overdraft_stale_rate_limit_clear_failed", "account_id", accountID, "reset_at", staleResetAt, "error", err)
+ } else {
+ clearedSchedulingState = true
+ slog.Info("codex_quota_overdraft_stale_rate_limit_cleared", "account_id", accountID, "reset_at", staleResetAt, "probe_status", state.Status)
+ }
+ }
+ if IsAccountSchedulingThresholdReason(account.TempUnschedulableReason) || codexQuotaOverdraftPauseReason(account.TempUnschedulableReason) {
+ _ = c.accountRepo.ClearTempUnschedulable(ctx, accountID)
+ clearedSchedulingState = true
+ if c.tempUnschedCache != nil {
+ _ = c.tempUnschedCache.DeleteTempUnsched(ctx, accountID)
+ }
+ }
+ if clearedSchedulingState && c.runtimeBlocker != nil {
+ c.runtimeBlocker.ClearAccountSchedulingBlock(accountID)
+ }
+}
+
+func (c *CodexQuotaOverdraftCoordinator) recoverCycle(account *Account, state *CodexQuotaOverdraftProbeState, now time.Time) {
+ if account == nil || state == nil || state.Status == "" || state.Status == codexQuotaOverdraftProbeRecovered {
+ return
+ }
+ state.Status = codexQuotaOverdraftProbeRecovered
+ state.ReasonCode = "quota_recovered"
+ state.RetryAt = nil
+ state.OverdraftStartedAt = nil
+ state.FiveHourStartedAt = nil
+ state.SevenDayStartedAt = nil
+ testedAt := now.UTC()
+ state.TestedAt = &testedAt
+ c.persistState(account.ID, state)
+ c.clearQuotaPause(account.ID, state)
+}
+
+func (c *CodexQuotaOverdraftCoordinator) currentTime() time.Time {
+ if c != nil && c.now != nil {
+ return c.now().UTC()
+ }
+ return time.Now().UTC()
+}
+
+func codexQuotaOverdraftProbeModels(preferred string) []string {
+ models := []string{strings.TrimSpace(preferred), codexQuotaOverdraftFallbackModel, codexQuotaOverdraftCompatibilityModel}
+ if models[0] == "" {
+ models[0] = openai.DefaultTestModel
+ }
+ out := make([]string, 0, len(models))
+ seen := make(map[string]struct{}, len(models))
+ for _, model := range models {
+ key := strings.ToLower(strings.TrimSpace(model))
+ if key == "" {
+ continue
+ }
+ if _, ok := seen[key]; ok {
+ continue
+ }
+ seen[key] = struct{}{}
+ out = append(out, model)
+ }
+ return out
+}
+
+func codexQuotaOverdraftResponseIsQuotaLimited(headers http.Header, body []byte) bool {
+ if snapshot := ParseCodexRateLimitHeaders(headers); snapshot != nil {
+ if normalized := snapshot.Normalize(); normalized != nil &&
+ (normalized.Used5hPercent != nil && *normalized.Used5hPercent >= 100 ||
+ normalized.Used7dPercent != nil && *normalized.Used7dPercent >= 100) {
+ return true
+ }
+ }
+ text := strings.ToLower(strings.Join(strings.Fields(string(body)), " "))
+ for _, marker := range []string{"usage_limit_reached", "usage limit has been reached", "quota exhausted", "weekly limit reached"} {
+ if strings.Contains(text, marker) {
+ return true
+ }
+ }
+ return false
+}
+
+func codexQuotaOverdraftSignalFromAccount(account *Account, state *CodexQuotaOverdraftProbeState, now time.Time) (codexQuotaOverdraftSignal, bool) {
+ if account == nil || len(account.Extra) == 0 {
+ return codexQuotaOverdraftSignal{}, false
+ }
+ fiveUsed := parseExtraFloat64(account.Extra["codex_5h_used_percent"])
+ sevenUsed := parseExtraFloat64(account.Extra["codex_7d_used_percent"])
+ fiveReset := codexQuotaOverdraftResetAt(account.Extra["codex_5h_reset_at"], now)
+ sevenReset := codexQuotaOverdraftResetAt(account.Extra["codex_7d_reset_at"], now)
+ if state != nil {
+ fiveReset = stabilizeCodexQuotaOverdraftReset(fiveReset, state.FiveHourRecoverAt, now)
+ sevenReset = stabilizeCodexQuotaOverdraftReset(sevenReset, state.SevenDayRecoverAt, now)
+ }
+ fiveExhausted := fiveUsed >= 100 && (fiveReset == nil || fiveReset.After(now))
+ sevenExhausted := sevenUsed >= 100 && (sevenReset == nil || sevenReset.After(now))
+ if !fiveExhausted && !sevenExhausted {
+ return codexQuotaOverdraftSignal{}, false
+ }
+ if fiveExhausted && fiveReset == nil {
+ fallback := now.Add(5 * time.Hour)
+ if state != nil && state.FiveHourRecoverAt != nil && state.FiveHourRecoverAt.After(now) {
+ fallback = *state.FiveHourRecoverAt
+ }
+ fiveReset = &fallback
+ }
+ if sevenExhausted && sevenReset == nil {
+ fallback := now.Add(7 * 24 * time.Hour)
+ if state != nil && state.SevenDayRecoverAt != nil && state.SevenDayRecoverAt.After(now) {
+ fallback = *state.SevenDayRecoverAt
+ }
+ sevenReset = &fallback
+ }
+
+ signal := codexQuotaOverdraftSignal{FiveHourRecoverAt: fiveReset, SevenDayRecoverAt: sevenReset}
+ switch {
+ case fiveExhausted && sevenExhausted:
+ signal.Window = "multiple"
+ signal.CycleKey = fmt.Sprintf("5h:%d|7d:%d", fiveReset.Unix(), sevenReset.Unix())
+ signal.RecoverAt = laterTime(*fiveReset, *sevenReset)
+ case fiveExhausted:
+ signal.Window = "5h"
+ signal.CycleKey = fmt.Sprintf("5h:%d", fiveReset.Unix())
+ signal.RecoverAt = *fiveReset
+ signal.SevenDayRecoverAt = nil
+ default:
+ signal.Window = "7d"
+ signal.CycleKey = fmt.Sprintf("7d:%d", sevenReset.Unix())
+ signal.RecoverAt = *sevenReset
+ signal.FiveHourRecoverAt = nil
+ }
+ return signal, true
+}
+
+func clearRecoveredCodexQuotaOverdraftWindows(state *CodexQuotaOverdraftProbeState, account *Account, now time.Time) bool {
+ if state == nil || account == nil {
+ return false
+ }
+ changed := false
+ fiveUsed := parseExtraFloat64(account.Extra["codex_5h_used_percent"])
+ sevenUsed := parseExtraFloat64(account.Extra["codex_7d_used_percent"])
+ if state.FiveHourStartedAt != nil && (fiveUsed < 100 || state.FiveHourRecoverAt == nil || !state.FiveHourRecoverAt.After(now)) {
+ state.FiveHourStartedAt = nil
+ state.FiveHourRecoverAt = nil
+ changed = true
+ }
+ if state.SevenDayStartedAt != nil && (sevenUsed < 100 || state.SevenDayRecoverAt == nil || !state.SevenDayRecoverAt.After(now)) {
+ state.SevenDayStartedAt = nil
+ state.SevenDayRecoverAt = nil
+ changed = true
+ }
+ state.OverdraftStartedAt = earlierCodexQuotaOverdraftStart(state.FiveHourStartedAt, state.SevenDayStartedAt)
+ return changed
+}
+
+func codexQuotaOverdraftFallbackSignal(headers http.Header, body []byte, state *CodexQuotaOverdraftProbeState, now time.Time) codexQuotaOverdraftSignal {
+ recoverAt := now.Add(5 * time.Hour)
+ if resetAt := calculateOpenAI429ResetTime(headers); resetAt != nil && resetAt.After(now) {
+ recoverAt = *resetAt
+ } else if resetUnix := parseOpenAIRateLimitResetTime(body); resetUnix != nil {
+ if parsed := time.Unix(*resetUnix, 0).UTC(); parsed.After(now) {
+ recoverAt = parsed
+ }
+ } else if state != nil && state.RecoverAt != nil && state.RecoverAt.After(now) {
+ recoverAt = *state.RecoverAt
+ }
+ return codexQuotaOverdraftSignal{
+ Window: "multiple",
+ CycleKey: fmt.Sprintf("multiple:%d", recoverAt.Unix()),
+ RecoverAt: recoverAt,
+ FiveHourRecoverAt: codexQuotaOverdraftTimePtr(recoverAt),
+ SevenDayRecoverAt: codexQuotaOverdraftTimePtr(recoverAt),
+ }
+}
+
+func codexQuotaOverdraftStateFromAccount(account *Account) (*CodexQuotaOverdraftProbeState, bool) {
+ if account == nil || account.Extra == nil {
+ return nil, false
+ }
+ raw, ok := account.Extra[CodexQuotaOverdraftProbeExtraKey]
+ if !ok || raw == nil {
+ return nil, false
+ }
+ encoded, err := json.Marshal(raw)
+ if err != nil {
+ return nil, false
+ }
+ var state CodexQuotaOverdraftProbeState
+ if err := json.Unmarshal(encoded, &state); err != nil || state.CycleKey == "" {
+ return nil, false
+ }
+ return &state, true
+}
+
+func codexQuotaOverdraftSchedulingAllowed(account *Account, now time.Time) bool {
+ if !isCodexQuotaOverdraftAccount(account) {
+ return false
+ }
+ state, _ := codexQuotaOverdraftStateFromAccount(account)
+ signal, exhausted := codexQuotaOverdraftSignalFromAccount(account, state, now)
+ if !exhausted || state == nil || !codexQuotaOverdraftStateCoversSignal(state, signal) {
+ return true
+ }
+ return state.Status != codexQuotaOverdraftProbeFailed
+}
+
+func codexQuotaOverdraftSnapshotExhausted(updates map[string]any) bool {
+ if len(updates) == 0 {
+ return false
+ }
+ return parseExtraFloat64(updates["codex_5h_used_percent"]) >= 100 ||
+ parseExtraFloat64(updates["codex_7d_used_percent"]) >= 100
+}
+
+func applyCodexQuotaOverdraftUsage(
+ ctx context.Context,
+ repo UsageLogRepository,
+ account *Account,
+ usage *UsageInfo,
+ now time.Time,
+) {
+ if repo == nil || account == nil || usage == nil {
+ return
+ }
+ state, ok := codexQuotaOverdraftStateFromAccount(account)
+ if !ok || state.Status == codexQuotaOverdraftProbeRecovered {
+ return
+ }
+ apply := func(progress *UsageProgress, startedAt, recoverAt *time.Time) {
+ if progress == nil || progress.Utilization < 100 || startedAt == nil || recoverAt == nil || !recoverAt.After(now) {
+ return
+ }
+ stats, err := repo.GetAccountWindowStats(ctx, account.ID, *startedAt)
+ if err != nil {
+ return
+ }
+ progress.OverdraftActive = true
+ progress.OverdraftStats = windowStatsFromAccountStats(stats)
+ progress.OverdraftStarted = cloneTimePtr(startedAt)
+ progress.OverdraftRecover = cloneTimePtr(recoverAt)
+ }
+ fiveStarted, sevenStarted := codexQuotaOverdraftWindowStarts(state)
+ apply(usage.FiveHour, fiveStarted, state.FiveHourRecoverAt)
+ apply(usage.SevenDay, sevenStarted, state.SevenDayRecoverAt)
+}
+
+func stabilizeCodexQuotaOverdraftReset(current, persisted *time.Time, now time.Time) *time.Time {
+ if current == nil || persisted == nil || !persisted.After(now) {
+ return current
+ }
+ delta := current.Sub(*persisted)
+ if delta < 0 {
+ delta = -delta
+ }
+ if delta <= 2*time.Minute {
+ return cloneTimePtr(persisted)
+ }
+ return current
+}
+
+func codexQuotaOverdraftStateCoversSignal(state *CodexQuotaOverdraftProbeState, signal codexQuotaOverdraftSignal) bool {
+ if state == nil || signal.CycleKey == "" {
+ return false
+ }
+ if state.CycleKey == signal.CycleKey {
+ return true
+ }
+ resetMatches := func(current, persisted *time.Time) bool {
+ if current == nil || persisted == nil {
+ return false
+ }
+ delta := current.Sub(*persisted)
+ if delta < 0 {
+ delta = -delta
+ }
+ return delta <= 2*time.Minute
+ }
+ switch signal.Window {
+ case "5h":
+ return resetMatches(signal.FiveHourRecoverAt, state.FiveHourRecoverAt)
+ case "7d":
+ return resetMatches(signal.SevenDayRecoverAt, state.SevenDayRecoverAt)
+ case "multiple":
+ return resetMatches(signal.FiveHourRecoverAt, state.FiveHourRecoverAt) &&
+ resetMatches(signal.SevenDayRecoverAt, state.SevenDayRecoverAt)
+ default:
+ return false
+ }
+}
+
+func carryCodexQuotaOverdraftWindowStarts(target, current *CodexQuotaOverdraftProbeState, signal codexQuotaOverdraftSignal, now time.Time) {
+ if target == nil || current == nil {
+ return
+ }
+ if current.FiveHourRecoverAt != nil && current.FiveHourRecoverAt.After(now) && signal.FiveHourRecoverAt != nil {
+ delta := signal.FiveHourRecoverAt.Sub(*current.FiveHourRecoverAt)
+ if delta >= -2*time.Minute && delta <= 2*time.Minute {
+ target.FiveHourStartedAt = cloneTimePtr(current.FiveHourStartedAt)
+ }
+ }
+ if current.SevenDayRecoverAt != nil && current.SevenDayRecoverAt.After(now) && signal.SevenDayRecoverAt != nil {
+ delta := signal.SevenDayRecoverAt.Sub(*current.SevenDayRecoverAt)
+ if delta >= -2*time.Minute && delta <= 2*time.Minute {
+ target.SevenDayStartedAt = cloneTimePtr(current.SevenDayStartedAt)
+ }
+ }
+ target.OverdraftStartedAt = earlierCodexQuotaOverdraftStart(target.FiveHourStartedAt, target.SevenDayStartedAt)
+}
+
+func startCodexQuotaOverdraftWindows(state *CodexQuotaOverdraftProbeState, signal codexQuotaOverdraftSignal, testedAt time.Time) {
+ if state == nil {
+ return
+ }
+ switch signal.Window {
+ case "5h":
+ if state.FiveHourStartedAt == nil {
+ state.FiveHourStartedAt = codexQuotaOverdraftTimePtr(testedAt)
+ }
+ case "7d":
+ if state.SevenDayStartedAt == nil {
+ state.SevenDayStartedAt = codexQuotaOverdraftTimePtr(testedAt)
+ }
+ default:
+ if state.FiveHourStartedAt == nil {
+ state.FiveHourStartedAt = codexQuotaOverdraftTimePtr(testedAt)
+ }
+ if state.SevenDayStartedAt == nil {
+ state.SevenDayStartedAt = codexQuotaOverdraftTimePtr(testedAt)
+ }
+ }
+ state.OverdraftStartedAt = earlierCodexQuotaOverdraftStart(state.FiveHourStartedAt, state.SevenDayStartedAt)
+}
+
+func codexQuotaOverdraftWindowStarts(state *CodexQuotaOverdraftProbeState) (*time.Time, *time.Time) {
+ if state == nil {
+ return nil, nil
+ }
+ fiveStarted := cloneTimePtr(state.FiveHourStartedAt)
+ sevenStarted := cloneTimePtr(state.SevenDayStartedAt)
+ if fiveStarted == nil && sevenStarted == nil && state.OverdraftStartedAt != nil {
+ switch state.QuotaWindow {
+ case "5h":
+ fiveStarted = cloneTimePtr(state.OverdraftStartedAt)
+ case "7d":
+ sevenStarted = cloneTimePtr(state.OverdraftStartedAt)
+ default:
+ fiveStarted = cloneTimePtr(state.OverdraftStartedAt)
+ sevenStarted = cloneTimePtr(state.OverdraftStartedAt)
+ }
+ }
+ return fiveStarted, sevenStarted
+}
+
+func earlierCodexQuotaOverdraftStart(left, right *time.Time) *time.Time {
+ switch {
+ case left == nil:
+ return cloneTimePtr(right)
+ case right == nil:
+ return cloneTimePtr(left)
+ case left.Before(*right):
+ return cloneTimePtr(left)
+ default:
+ return cloneTimePtr(right)
+ }
+}
+
+func codexQuotaOverdraftPauseReason(reason string) bool {
+ payload, ok := parseTempUnschedReasonPayload(reason)
+ return ok && payload.Source == codexQuotaOverdraftPauseSource
+}
+
+func codexQuotaOverdraftResetAt(raw any, now time.Time) *time.Time {
+ if raw == nil {
+ return nil
+ }
+ parsed, err := parseTime(strings.TrimSpace(fmt.Sprint(raw)))
+ if err != nil {
+ return nil
+ }
+ parsed = parsed.UTC()
+ return &parsed
+}
+
+func cloneCodexQuotaOverdraftAccount(account *Account) *Account {
+ if account == nil {
+ return nil
+ }
+ clone := *account
+ clone.Extra = shallowCopyMap(account.Extra)
+ clone.Credentials = shallowCopyMap(account.Credentials)
+ return &clone
+}
+
+func laterTime(left, right time.Time) time.Time {
+ if right.After(left) {
+ return right
+ }
+ return left
+}
+
+func codexQuotaOverdraftTimePtr(value time.Time) *time.Time {
+ value = value.UTC()
+ return &value
+}
diff --git a/backend/internal/service/openai_codex_quota_overdraft_probe_test.go b/backend/internal/service/openai_codex_quota_overdraft_probe_test.go
new file mode 100644
index 0000000000000000000000000000000000000000..e1f2f68fcf5234317742977f27a649635bd36611
--- /dev/null
+++ b/backend/internal/service/openai_codex_quota_overdraft_probe_test.go
@@ -0,0 +1,372 @@
+//go:build unit
+
+package service
+
+import (
+ "context"
+ "encoding/json"
+ "net/http"
+ "strconv"
+ "testing"
+ "time"
+
+ "github.com/stretchr/testify/require"
+)
+
+type codexOverdraftProbeRepoStub struct {
+ AccountRepository
+ account *Account
+ states []*CodexQuotaOverdraftProbeState
+ tempPauseCalls int
+ clearTempCalls int
+ clearLimitCalls int
+}
+
+type codexOverdraftRuntimeBlockerStub struct {
+ clearCalls int
+}
+
+func (b *codexOverdraftRuntimeBlockerStub) BlockAccountScheduling(*Account, time.Time, string) {}
+
+func (b *codexOverdraftRuntimeBlockerStub) ClearAccountSchedulingBlock(int64) {
+ b.clearCalls++
+}
+
+func (r *codexOverdraftProbeRepoStub) GetByID(context.Context, int64) (*Account, error) {
+ return r.account, nil
+}
+
+func (r *codexOverdraftProbeRepoStub) UpdateExtra(_ context.Context, _ int64, updates map[string]any) error {
+ if r.account.Extra == nil {
+ r.account.Extra = make(map[string]any)
+ }
+ for key, value := range updates {
+ r.account.Extra[key] = value
+ }
+ if state, ok := updates[CodexQuotaOverdraftProbeExtraKey].(*CodexQuotaOverdraftProbeState); ok {
+ clone := *state
+ r.states = append(r.states, &clone)
+ }
+ return nil
+}
+
+func (r *codexOverdraftProbeRepoStub) SetTempUnschedulable(_ context.Context, _ int64, until time.Time, reason string) error {
+ r.tempPauseCalls++
+ r.account.TempUnschedulableUntil = codexQuotaOverdraftTimePtr(until)
+ r.account.TempUnschedulableReason = reason
+ return nil
+}
+
+func (r *codexOverdraftProbeRepoStub) ClearTempUnschedulable(context.Context, int64) error {
+ r.clearTempCalls++
+ r.account.TempUnschedulableUntil = nil
+ r.account.TempUnschedulableReason = ""
+ return nil
+}
+
+func (r *codexOverdraftProbeRepoStub) ClearRateLimit(context.Context, int64) error {
+ r.clearLimitCalls++
+ r.account.RateLimitResetAt = nil
+ return nil
+}
+
+func newCodexOverdraftProbeTestAccount(now time.Time) *Account {
+ return &Account{
+ ID: 77,
+ Platform: PlatformOpenAI,
+ Type: AccountTypeOAuth,
+ Status: StatusActive,
+ Schedulable: true,
+ Extra: map[string]any{
+ "codex_5h_used_percent": 100,
+ "codex_5h_reset_at": now.Add(5 * time.Hour).Format(time.RFC3339),
+ },
+ }
+}
+
+func TestCodexQuotaOverdraftProbeModelsMatchPluginRotation(t *testing.T) {
+ models := codexQuotaOverdraftProbeModels("gpt-5.4")
+ require.Equal(t, []string{"gpt-5.4", "gpt-5.5", "gpt-5.4-mini"}, models)
+
+ got := make([]string, 0, codexQuotaOverdraftProbeAttemptLimit)
+ for attempt := 0; attempt < codexQuotaOverdraftProbeAttemptLimit; attempt++ {
+ got = append(got, models[attempt%len(models)])
+ }
+ require.Equal(t, []string{"gpt-5.4", "gpt-5.5", "gpt-5.4-mini", "gpt-5.4", "gpt-5.5"}, got)
+}
+
+func TestCodexQuotaOverdraftSignalsKeepFiveHourAndSevenDayCyclesSeparate(t *testing.T) {
+ now := time.Date(2026, time.August, 13, 14, 0, 0, 0, time.UTC)
+ fiveReset := now.Add(5 * time.Hour)
+ sevenReset := now.Add(6 * 24 * time.Hour)
+ account := newCodexOverdraftProbeTestAccount(now)
+
+ five, exhausted := codexQuotaOverdraftSignalFromAccount(account, nil, now)
+ require.True(t, exhausted)
+ require.Equal(t, "5h", five.Window)
+ require.Equal(t, "5h:"+formatCodexOverdraftUnix(fiveReset), five.CycleKey)
+ require.WithinDuration(t, fiveReset, five.RecoverAt, time.Second)
+
+ account.Extra["codex_7d_used_percent"] = 100
+ account.Extra["codex_7d_reset_at"] = sevenReset.Format(time.RFC3339)
+ multiple, exhausted := codexQuotaOverdraftSignalFromAccount(account, nil, now)
+ require.True(t, exhausted)
+ require.Equal(t, "multiple", multiple.Window)
+ require.WithinDuration(t, sevenReset, multiple.RecoverAt, time.Second, "多个额度周期必须等待最晚恢复时间")
+ require.Contains(t, multiple.CycleKey, "5h:")
+ require.Contains(t, multiple.CycleKey, "|7d:")
+}
+
+func TestCodexQuotaOverdraftProbePassesOnAnySuccessfulAttempt(t *testing.T) {
+ now := time.Date(2026, time.August, 13, 14, 0, 0, 0, time.UTC)
+ account := newCodexOverdraftProbeTestAccount(now)
+ repo := &codexOverdraftProbeRepoStub{account: account}
+ coordinator := &CodexQuotaOverdraftCoordinator{accountRepo: repo, now: func() time.Time { return now }}
+ models := make([]string, 0, 3)
+ coordinator.probeAttemptForTest = func(_ context.Context, _ *Account, model string) codexQuotaOverdraftProbeResult {
+ models = append(models, model)
+ if len(models) == 3 {
+ return codexQuotaOverdraftProbeResult{Status: "available", ReasonCode: "model_response_ok", StatusCode: http.StatusOK, Model: model}
+ }
+ return codexQuotaOverdraftProbeResult{Status: "retry", ReasonCode: "quota_limited", StatusCode: http.StatusTooManyRequests, Model: model}
+ }
+ signal, exhausted := codexQuotaOverdraftSignalFromAccount(account, nil, now)
+ require.True(t, exhausted)
+ state := newCodexOverdraftPendingState(signal, now)
+
+ coordinator.runProbePlan(account.ID, signal, "gpt-5.4", state)
+
+ require.Equal(t, codexQuotaOverdraftProbePassed, state.Status)
+ require.Equal(t, 3, state.Attempts)
+ require.Equal(t, []string{"gpt-5.4", "gpt-5.5", "gpt-5.4-mini"}, models)
+ require.NotNil(t, state.FiveHourStartedAt)
+ require.Zero(t, repo.tempPauseCalls)
+}
+
+func TestCodexQuotaOverdraftProbeRequiresFiveExplicitQuotaFailures(t *testing.T) {
+ now := time.Date(2026, time.August, 13, 14, 0, 0, 0, time.UTC)
+ account := newCodexOverdraftProbeTestAccount(now)
+ repo := &codexOverdraftProbeRepoStub{account: account}
+ coordinator := &CodexQuotaOverdraftCoordinator{accountRepo: repo, now: func() time.Time { return now }}
+ models := make([]string, 0, codexQuotaOverdraftProbeAttemptLimit)
+ coordinator.probeAttemptForTest = func(_ context.Context, _ *Account, model string) codexQuotaOverdraftProbeResult {
+ models = append(models, model)
+ return codexQuotaOverdraftProbeResult{Status: "retry", ReasonCode: "quota_limited", StatusCode: http.StatusTooManyRequests, Model: model}
+ }
+ signal, _ := codexQuotaOverdraftSignalFromAccount(account, nil, now)
+ state := newCodexOverdraftPendingState(signal, now)
+
+ coordinator.runProbePlan(account.ID, signal, "gpt-5.4", state)
+
+ require.Equal(t, codexQuotaOverdraftProbeFailed, state.Status)
+ require.Equal(t, codexQuotaOverdraftProbeAttemptLimit, state.Attempts)
+ require.Len(t, models, codexQuotaOverdraftProbeAttemptLimit)
+ require.Equal(t, 1, repo.tempPauseCalls)
+ require.True(t, codexQuotaOverdraftPauseReason(account.TempUnschedulableReason))
+ require.False(t, codexQuotaOverdraftSchedulingAllowed(account, now), "同周期确认失败后不得继续绕过限额")
+}
+
+func TestCodexQuotaOverdraftProbeInconclusiveNeverPauses(t *testing.T) {
+ now := time.Date(2026, time.August, 13, 14, 0, 0, 0, time.UTC)
+ for _, result := range []codexQuotaOverdraftProbeResult{
+ {Status: "inconclusive", ReasonCode: "request_timeout", StatusCode: http.StatusGatewayTimeout, Model: "gpt-5.4"},
+ {Status: "inconclusive", ReasonCode: "upstream_unavailable", StatusCode: http.StatusServiceUnavailable, Model: "gpt-5.4"},
+ } {
+ t.Run(result.ReasonCode, func(t *testing.T) {
+ account := newCodexOverdraftProbeTestAccount(now)
+ repo := &codexOverdraftProbeRepoStub{account: account}
+ coordinator := &CodexQuotaOverdraftCoordinator{accountRepo: repo, now: func() time.Time { return now }}
+ coordinator.probeAttemptForTest = func(context.Context, *Account, string) codexQuotaOverdraftProbeResult { return result }
+ signal, _ := codexQuotaOverdraftSignalFromAccount(account, nil, now)
+ state := newCodexOverdraftPendingState(signal, now)
+
+ coordinator.runProbePlan(account.ID, signal, "gpt-5.4", state)
+
+ require.Equal(t, codexQuotaOverdraftProbeInconclusive, state.Status)
+ require.Equal(t, 1, state.Attempts)
+ require.NotNil(t, state.RetryAt)
+ require.Zero(t, repo.tempPauseCalls)
+ })
+ }
+}
+
+func TestCodexQuotaOverdraftNewWindowPreservesExistingWindowBaseline(t *testing.T) {
+ now := time.Date(2026, time.August, 13, 14, 0, 0, 0, time.UTC)
+ fiveStarted := now.Add(-time.Hour)
+ fiveRecover := now.Add(4 * time.Hour)
+ sevenRecover := now.Add(6 * 24 * time.Hour)
+ current := &CodexQuotaOverdraftProbeState{
+ Status: codexQuotaOverdraftProbePassed,
+ QuotaWindow: "5h",
+ CycleKey: "5h:" + formatCodexOverdraftUnix(fiveRecover),
+ FiveHourRecoverAt: codexQuotaOverdraftTimePtr(fiveRecover),
+ FiveHourStartedAt: codexQuotaOverdraftTimePtr(fiveStarted),
+ }
+ signal := codexQuotaOverdraftSignal{
+ Window: "multiple",
+ CycleKey: "5h:" + formatCodexOverdraftUnix(fiveRecover) + "|7d:" + formatCodexOverdraftUnix(sevenRecover),
+ RecoverAt: sevenRecover,
+ FiveHourRecoverAt: codexQuotaOverdraftTimePtr(fiveRecover),
+ SevenDayRecoverAt: codexQuotaOverdraftTimePtr(sevenRecover),
+ }
+ target := newCodexOverdraftPendingState(signal, now)
+ carryCodexQuotaOverdraftWindowStarts(target, current, signal, now)
+ startCodexQuotaOverdraftWindows(target, signal, now)
+
+ require.NotNil(t, target.FiveHourStartedAt)
+ require.True(t, target.FiveHourStartedAt.Equal(fiveStarted), "已有 5h 透支统计起点不能因 7d 后续耗尽而重置")
+ require.NotNil(t, target.SevenDayStartedAt)
+ require.True(t, target.SevenDayStartedAt.Equal(now))
+}
+
+func TestCodexQuotaOverdraftFailedMultipleCycleStillCoversRemainingWindow(t *testing.T) {
+ now := time.Date(2026, time.August, 13, 14, 0, 0, 0, time.UTC)
+ fiveRecover := now.Add(5 * time.Hour)
+ sevenRecover := now.Add(6 * 24 * time.Hour)
+ state := &CodexQuotaOverdraftProbeState{
+ Status: codexQuotaOverdraftProbeFailed,
+ QuotaWindow: "multiple",
+ CycleKey: "5h:" + formatCodexOverdraftUnix(fiveRecover) + "|7d:" + formatCodexOverdraftUnix(sevenRecover),
+ FiveHourRecoverAt: codexQuotaOverdraftTimePtr(fiveRecover),
+ SevenDayRecoverAt: codexQuotaOverdraftTimePtr(sevenRecover),
+ }
+ remaining := codexQuotaOverdraftSignal{
+ Window: "7d",
+ CycleKey: "7d:" + formatCodexOverdraftUnix(sevenRecover),
+ RecoverAt: sevenRecover,
+ SevenDayRecoverAt: codexQuotaOverdraftTimePtr(sevenRecover),
+ }
+
+ require.True(t, codexQuotaOverdraftStateCoversSignal(state, remaining))
+}
+
+func TestCodexQuotaOverdraftRecoveryClearsWindowState(t *testing.T) {
+ now := time.Date(2026, time.August, 13, 14, 0, 0, 0, time.UTC)
+ account := newCodexOverdraftProbeTestAccount(now)
+ account.Extra["codex_5h_used_percent"] = 0
+ started := now.Add(-time.Hour)
+ recoverAt := now.Add(4 * time.Hour)
+ state := &CodexQuotaOverdraftProbeState{
+ Status: codexQuotaOverdraftProbePassed,
+ QuotaWindow: "5h",
+ CycleKey: "5h:" + formatCodexOverdraftUnix(recoverAt),
+ RecoverAt: codexQuotaOverdraftTimePtr(recoverAt),
+ FiveHourRecoverAt: codexQuotaOverdraftTimePtr(recoverAt),
+ OverdraftStartedAt: codexQuotaOverdraftTimePtr(started),
+ FiveHourStartedAt: codexQuotaOverdraftTimePtr(started),
+ }
+ account.Extra[CodexQuotaOverdraftProbeExtraKey] = state
+ repo := &codexOverdraftProbeRepoStub{account: account}
+ coordinator := &CodexQuotaOverdraftCoordinator{accountRepo: repo, now: func() time.Time { return now }}
+
+ coordinator.observeAccount(account, "gpt-5.4")
+
+ recovered, ok := codexQuotaOverdraftStateFromAccount(account)
+ require.True(t, ok)
+ require.Equal(t, codexQuotaOverdraftProbeRecovered, recovered.Status)
+ require.Equal(t, "quota_recovered", recovered.ReasonCode)
+ require.Nil(t, recovered.OverdraftStartedAt)
+ require.Nil(t, recovered.FiveHourStartedAt)
+ require.Nil(t, recovered.FiveHourRecoverAt)
+ require.Zero(t, repo.tempPauseCalls)
+}
+
+func TestCodexQuotaOverdraftAvailableStateClearsMismatchedStaleRateLimit(t *testing.T) {
+ now := time.Date(2026, time.August, 14, 10, 0, 0, 0, time.UTC)
+ for _, status := range []string{codexQuotaOverdraftProbePassed, codexQuotaOverdraftProbeRecovered} {
+ t.Run(status, func(t *testing.T) {
+ account := newCodexOverdraftProbeTestAccount(now)
+ account.RateLimitedAt = codexQuotaOverdraftTimePtr(now.Add(-time.Minute))
+ account.RateLimitResetAt = codexQuotaOverdraftTimePtr(now.Add(2 * time.Hour))
+ repo := &codexOverdraftProbeRepoStub{account: account}
+ blocker := &codexOverdraftRuntimeBlockerStub{}
+ coordinator := &CodexQuotaOverdraftCoordinator{accountRepo: repo, runtimeBlocker: blocker}
+ state := &CodexQuotaOverdraftProbeState{
+ Status: status,
+ ObservedRateLimit: codexQuotaOverdraftTimePtr(now.Add(time.Hour)),
+ }
+
+ coordinator.clearQuotaPause(account.ID, state)
+
+ require.Equal(t, 1, repo.clearLimitCalls)
+ require.Nil(t, account.RateLimitResetAt)
+ require.Equal(t, 1, blocker.clearCalls)
+ })
+ }
+}
+
+func TestCodexQuotaOverdraftFailedStateDoesNotClearRateLimit(t *testing.T) {
+ now := time.Date(2026, time.August, 14, 10, 0, 0, 0, time.UTC)
+ account := newCodexOverdraftProbeTestAccount(now)
+ account.RateLimitResetAt = codexQuotaOverdraftTimePtr(now.Add(2 * time.Hour))
+ repo := &codexOverdraftProbeRepoStub{account: account}
+ blocker := &codexOverdraftRuntimeBlockerStub{}
+ coordinator := &CodexQuotaOverdraftCoordinator{accountRepo: repo, runtimeBlocker: blocker}
+ state := &CodexQuotaOverdraftProbeState{
+ Status: codexQuotaOverdraftProbeFailed,
+ ObservedRateLimit: codexQuotaOverdraftTimePtr(now.Add(time.Hour)),
+ }
+
+ coordinator.clearQuotaPause(account.ID, state)
+
+ require.Zero(t, repo.clearLimitCalls)
+ require.NotNil(t, account.RateLimitResetAt)
+ require.Zero(t, blocker.clearCalls)
+}
+
+func TestClassifyCodexQuotaOverdraftProbeResponses(t *testing.T) {
+ status, reason := classifyCodexQuotaOverdraftProbe(http.StatusOK, nil, []byte(`data: {"type":"response.completed"}`))
+ require.Equal(t, "available", status)
+ require.Equal(t, "model_response_ok", reason)
+
+ status, reason = classifyCodexQuotaOverdraftProbe(http.StatusTooManyRequests, nil, []byte(`{"error":{"type":"usage_limit_reached"}}`))
+ require.Equal(t, "retry", status)
+ require.Equal(t, "quota_limited", reason)
+
+ status, reason = classifyCodexQuotaOverdraftProbe(http.StatusServiceUnavailable, nil, nil)
+ require.Equal(t, "inconclusive", status)
+ require.Equal(t, "upstream_unavailable", reason)
+
+ status, reason = classifyCodexQuotaOverdraftProbe(http.StatusUnauthorized, nil, nil)
+ require.Equal(t, "authentication_failed", status)
+ require.Equal(t, "authentication_failed", reason)
+
+ status, reason = classifyCodexQuotaOverdraftProbe(http.StatusOK, nil, []byte(`data: {"type":"response.failed"}\ndata: {"type":"response.completed"}`))
+ require.Equal(t, "retry", status)
+ require.Equal(t, "invalid_response", reason)
+}
+
+func TestCodexQuotaOverdraftProbePayloadAcceptsInjection(t *testing.T) {
+ payload := map[string]any{
+ "model": "gpt-5.4",
+ "input": []map[string]any{{
+ "type": "message",
+ "role": "user",
+ "content": []map[string]string{{"type": "input_text", "text": "hi"}},
+ }},
+ }
+ raw, err := json.Marshal(payload)
+ require.NoError(t, err)
+ updated, changed, err := injectCodexQuotaOverdraft(raw)
+ require.NoError(t, err)
+ require.True(t, changed)
+ require.Contains(t, string(updated), `"custom_tool_call"`)
+}
+
+func newCodexOverdraftPendingState(signal codexQuotaOverdraftSignal, now time.Time) *CodexQuotaOverdraftProbeState {
+ return &CodexQuotaOverdraftProbeState{
+ Status: codexQuotaOverdraftProbePending,
+ QuotaWindow: signal.Window,
+ CycleKey: signal.CycleKey,
+ Limit: codexQuotaOverdraftProbeAttemptLimit,
+ StartedAt: now,
+ RecoverAt: codexQuotaOverdraftTimePtr(signal.RecoverAt),
+ FiveHourRecoverAt: cloneTimePtr(signal.FiveHourRecoverAt),
+ SevenDayRecoverAt: cloneTimePtr(signal.SevenDayRecoverAt),
+ OverdraftStartedAt: nil,
+ }
+}
+
+func formatCodexOverdraftUnix(value time.Time) string {
+ return strconv.FormatInt(value.Unix(), 10)
+}
diff --git a/backend/internal/service/openai_codex_quota_overdraft_test.go b/backend/internal/service/openai_codex_quota_overdraft_test.go
new file mode 100644
index 0000000000000000000000000000000000000000..4d20e2bc45754018fce259452ed10ba45d60ff24
--- /dev/null
+++ b/backend/internal/service/openai_codex_quota_overdraft_test.go
@@ -0,0 +1,142 @@
+//go:build unit
+
+package service
+
+import (
+ "context"
+ "encoding/json"
+ "strings"
+ "testing"
+ "time"
+
+ "github.com/Wei-Shaw/sub2api/internal/config"
+ "github.com/stretchr/testify/require"
+)
+
+func TestCodexQuotaOverdraftInjection(t *testing.T) {
+ t.Cleanup(func() { SetCodexQuotaOverdraftEnabled(false) })
+ SetCodexQuotaOverdraftEnabled(true)
+ ctx := WithCodexQuotaOverdraftScheduling(context.Background())
+ svc := &OpenAIGatewayService{cfg: &config.Config{Gateway: config.GatewayConfig{CodexQuotaOverdraftEnabled: true}}}
+ oauth := &Account{Platform: PlatformOpenAI, Type: AccountTypeOAuth}
+ body := []byte(`{"model":"gpt-5.4","input":[{"type":"message","role":"user","content":[{"type":"input_text","text":"hello"}]}]}`)
+
+ updated := svc.prepareCodexQuotaOverdraftBody(ctx, oauth, false, body)
+ require.NotEqual(t, string(body), string(updated))
+
+ var document codexQuotaOverdraftDocument
+ require.NoError(t, json.Unmarshal(updated, &document))
+ require.Len(t, document.Input, 3)
+ var call, output codexQuotaOverdraftInputItem
+ require.NoError(t, json.Unmarshal(document.Input[1], &call))
+ require.NoError(t, json.Unmarshal(document.Input[2], &output))
+ require.Equal(t, "custom_tool_call", call.Type)
+ require.Equal(t, "custom_tool_call_output", output.Type)
+ require.True(t, strings.HasPrefix(call.CallID, codexQuotaOverdraftCallIDPrefix))
+ require.Equal(t, call.CallID, output.CallID)
+
+ again := svc.prepareCodexQuotaOverdraftBody(ctx, oauth, false, updated)
+ require.Equal(t, string(updated), string(again), "重复处理不能再次注入")
+}
+
+func TestCodexQuotaOverdraftInjectionGuards(t *testing.T) {
+ t.Cleanup(func() { SetCodexQuotaOverdraftEnabled(false) })
+ body := []byte(`{"input":[{"type":"message","role":"user"}]}`)
+ oauth := &Account{Platform: PlatformOpenAI, Type: AccountTypeOAuth}
+ enabledCfg := &config.Config{Gateway: config.GatewayConfig{CodexQuotaOverdraftEnabled: true}}
+ svc := &OpenAIGatewayService{cfg: enabledCfg}
+
+ SetCodexQuotaOverdraftEnabled(false)
+ require.Equal(t, string(body), string(svc.prepareCodexQuotaOverdraftBody(WithCodexQuotaOverdraftScheduling(context.Background()), oauth, false, body)))
+
+ SetCodexQuotaOverdraftEnabled(true)
+ require.Equal(t, string(body), string(svc.prepareCodexQuotaOverdraftBody(context.Background(), oauth, false, body)), "未标记的端点不能注入")
+ require.Equal(t, string(body), string(svc.prepareCodexQuotaOverdraftBody(WithCodexQuotaOverdraftScheduling(context.Background()), oauth, true, body)), "compact 不能注入")
+
+ ctx := WithCodexQuotaOverdraftScheduling(context.Background())
+ for _, account := range []*Account{
+ {Platform: PlatformOpenAI, Type: AccountTypeAPIKey},
+ {Platform: PlatformOpenAI, Type: AccountTypeOAuth, ParentAccountID: int64PtrForCodexQuotaOverdraftTest(1)},
+ } {
+ require.Equal(t, string(body), string(svc.prepareCodexQuotaOverdraftBody(ctx, account, false, body)))
+ }
+ agentIdentity := &Account{Platform: PlatformOpenAI, Type: AccountTypeOAuth, Credentials: map[string]any{openAIAuthModeCredentialKey: OpenAIAuthModeAgentIdentity}}
+ require.NotEqual(t, string(body), string(svc.prepareCodexQuotaOverdraftBody(ctx, agentIdentity, false, body)), "Agent Identity 必须支持透支请求注入")
+
+ notUserLast := []byte(`{"input":[{"type":"message","role":"assistant"}]}`)
+ require.Equal(t, string(notUserLast), string(svc.prepareCodexQuotaOverdraftBody(ctx, oauth, false, notUserLast)))
+ invalid := []byte(`{"input":`)
+ require.Equal(t, string(invalid), string(svc.prepareCodexQuotaOverdraftBody(ctx, oauth, false, invalid)))
+ oversized := make([]byte, codexQuotaOverdraftMaxBodyBytes+1)
+ require.Equal(t, oversized, svc.prepareCodexQuotaOverdraftBody(ctx, oauth, false, oversized))
+}
+
+func TestCodexQuotaOverdraftSchedulingOnlyBypassesQuotaThresholds(t *testing.T) {
+ t.Cleanup(func() { SetCodexQuotaOverdraftEnabled(false) })
+ SetCodexQuotaOverdraftEnabled(true)
+ ctx := WithCodexQuotaOverdraftScheduling(context.Background())
+ now := time.Now().UTC()
+ reset := now.Add(time.Hour)
+ account := &Account{
+ Platform: PlatformOpenAI,
+ Type: AccountTypeOAuth,
+ Status: StatusActive,
+ Schedulable: true,
+ Extra: map[string]any{
+ "codex_5h_used_percent": 100,
+ "codex_5h_reset_at": reset.Format(time.RFC3339),
+ },
+ }
+ quotaCtx := withOpenAIQuotaAutoPauseSettings(ctx, OpsOpenAIAccountQuotaAutoPauseSettings{DefaultThreshold5h: 0.8})
+ paused, _ := shouldAutoPauseOpenAIAccountByQuota(quotaCtx, account)
+ require.False(t, paused)
+
+ account.RateLimitResetAt = &reset
+ require.False(t, account.IsSchedulableForModelWithContext(quotaCtx, "gpt-5.4"), "真实 429 限流仍必须生效")
+ account.RateLimitResetAt = nil
+ account.TempUnschedulableUntil = &reset
+ account.TempUnschedulableReason = BuildTempUnschedReasonPayload("oauth_401", "unauthorized")
+ require.Same(t, account, normalizeCodexQuotaOverdraftAccountForScheduling(quotaCtx, account), "其他临时暂停不能绕过")
+
+ account.TempUnschedulableReason = BuildAccountSchedulingThresholdReason("")
+ normalized := normalizeCodexQuotaOverdraftAccountForScheduling(quotaCtx, account)
+ require.NotSame(t, account, normalized)
+ require.Nil(t, normalized.TempUnschedulableUntil)
+ require.Empty(t, normalized.TempUnschedulableReason)
+ require.NotNil(t, account.TempUnschedulableUntil, "不能修改缓存或数据库账号原对象")
+}
+
+func TestRateLimitServiceCodexQuotaOverdraftDoesNotCreateRuntimeThresholdBlock(t *testing.T) {
+ t.Cleanup(func() { SetCodexQuotaOverdraftEnabled(false) })
+ SetCodexQuotaOverdraftEnabled(true)
+ accountSchedulingThresholdsSF.Forget(SettingKeyAccountSchedulingThresholds)
+ accountSchedulingThresholdsCache.Store(&cachedAccountSchedulingThresholds{})
+
+ settingsRepo := newMockSettingRepo()
+ settingsRepo.data[SettingKeyAccountSchedulingThresholds] = `{"openai":80}`
+ accountRepo := &rateLimitAccountRepoStub{}
+ runtimeBlocker := &runtimeBlockRecorder{}
+ rl := NewRateLimitService(accountRepo, nil, &config.Config{}, nil, nil)
+ rl.SetSettingService(NewSettingService(settingsRepo, &config.Config{}))
+ rl.SetAccountRuntimeBlocker(runtimeBlocker)
+ reset := time.Now().UTC().Add(time.Hour)
+ account := &Account{
+ ID: 9001,
+ Platform: PlatformOpenAI,
+ Type: AccountTypeOAuth,
+ Status: StatusActive,
+ Schedulable: true,
+ Extra: map[string]any{
+ "codex_7d_used_percent": 100,
+ "codex_7d_reset_at": reset.Format(time.RFC3339),
+ },
+ }
+
+ require.True(t, rl.ApplyAccountSchedulingThreshold(context.Background(), account))
+ require.Equal(t, 1, accountRepo.tempCalls, "普通端点仍应持久化阈值暂停")
+ require.Empty(t, runtimeBlocker.reasons, "阈值暂停不能误写为所有请求共享的 runtime blocker")
+}
+
+func int64PtrForCodexQuotaOverdraftTest(value int64) *int64 {
+ return &value
+}
diff --git a/backend/internal/service/openai_gateway_forward.go b/backend/internal/service/openai_gateway_forward.go
index f7eb7593460691769bf0b1405150d8eb5c9bb821..dfb29d1aa31ff7a7d8757e4f75fa652b0a595b0d 100644
--- a/backend/internal/service/openai_gateway_forward.go
+++ b/backend/internal/service/openai_gateway_forward.go
@@ -1029,6 +1029,7 @@ func (s *OpenAIGatewayService) Forward(ctx context.Context, c *gin.Context, acco
}
func (s *OpenAIGatewayService) buildUpstreamRequest(ctx context.Context, c *gin.Context, account *Account, body []byte, token string, isStream bool, promptCacheKey string, isCodexCLI bool) (*http.Request, error) {
+ body = s.prepareCodexQuotaOverdraftBody(ctx, account, isOpenAIResponsesCompactPath(c), body)
// Determine target URL based on account type
var targetURL string
switch account.Type {
diff --git a/backend/internal/service/openai_gateway_passthrough.go b/backend/internal/service/openai_gateway_passthrough.go
index 8c029f0aa8633a645f020b470a104d7ffbeec4b6..d712ba25a1b19789f44c92a5c62976df1708b37d 100644
--- a/backend/internal/service/openai_gateway_passthrough.go
+++ b/backend/internal/service/openai_gateway_passthrough.go
@@ -340,6 +340,7 @@ func (s *OpenAIGatewayService) buildUpstreamRequestOpenAIPassthrough(
body []byte,
token string,
) (*http.Request, error) {
+ body = s.prepareCodexQuotaOverdraftBody(ctx, account, isOpenAIResponsesCompactPath(c), body)
targetURL := openaiPlatformAPIURL
switch account.Type {
case AccountTypeOAuth:
diff --git a/backend/internal/service/openai_gateway_scheduling.go b/backend/internal/service/openai_gateway_scheduling.go
index be25b72b01f9f97daa788efb4b9ed021b5c2d7d0..301ba997dd7862d3aef8f1d84eb34c5a7369d878 100644
--- a/backend/internal/service/openai_gateway_scheduling.go
+++ b/backend/internal/service/openai_gateway_scheduling.go
@@ -445,6 +445,10 @@ func shouldAutoPauseOpenAIAccountByQuota(ctx context.Context, account *Account)
if account == nil || !account.IsOpenAI() {
return false, openAIQuotaAutoPauseDecision{}
}
+ if codexQuotaOverdraftSchedulingEnabled(ctx) && isCodexQuotaOverdraftAccount(account) &&
+ codexQuotaOverdraftSchedulingAllowed(account, time.Now().UTC()) {
+ return false, openAIQuotaAutoPauseDecision{}
+ }
// Per-account explicit-disable flags must take precedence over the global default.
// Without these, leaving the account threshold blank means "use global default",
// so an admin has no way to exempt a single account from auto-pause once a global
@@ -1277,11 +1281,28 @@ func (s *OpenAIGatewayService) selectAccountWithLoadAwareness(ctx context.Contex
func (s *OpenAIGatewayService) listSchedulableAccounts(ctx context.Context, groupID *int64, platform string) ([]Account, error) {
platform = normalizeOpenAICompatiblePlatform(platform)
+ if CodexQuotaOverdraftSchedulingEnabled(ctx) && platform == PlatformOpenAI && s.accountRepo != nil {
+ var accounts []Account
+ var err error
+ if s.cfg != nil && s.cfg.RunMode == config.RunModeSimple {
+ accounts, err = s.accountRepo.ListSchedulableByPlatform(ctx, platform)
+ } else if groupID != nil {
+ accounts, err = s.accountRepo.ListSchedulableByGroupIDAndPlatform(ctx, *groupID, platform)
+ } else {
+ accounts, err = s.accountRepo.ListSchedulableUngroupedByPlatform(ctx, platform)
+ }
+ if err != nil {
+ return nil, fmt.Errorf("query overdraft accounts failed: %w", err)
+ }
+ accounts = normalizeCodexQuotaOverdraftAccountsForScheduling(ctx, accounts)
+ return s.filterOpenAIAccountsBySchedulingThreshold(ctx, accounts), nil
+ }
if s.schedulerSnapshot != nil {
accounts, _, err := s.schedulerSnapshot.ListSchedulableAccounts(ctx, groupID, platform, false)
if err != nil {
return accounts, err
}
+ accounts = normalizeCodexQuotaOverdraftAccountsForScheduling(ctx, accounts)
accounts = s.filterOpenAIAccountsBySchedulingThreshold(ctx, accounts)
if platform == PlatformGrok {
accounts = s.filterGrokFreeQuotaAccountsForOpenAI(ctx, accounts)
@@ -1300,6 +1321,7 @@ func (s *OpenAIGatewayService) listSchedulableAccounts(ctx context.Context, grou
if err != nil {
return nil, fmt.Errorf("query accounts failed: %w", err)
}
+ accounts = normalizeCodexQuotaOverdraftAccountsForScheduling(ctx, accounts)
accounts = s.filterOpenAIAccountsBySchedulingThreshold(ctx, accounts)
if platform == PlatformGrok {
accounts = s.filterGrokFreeQuotaAccountsForOpenAI(ctx, accounts)
@@ -1339,6 +1361,7 @@ func (s *OpenAIGatewayService) resolveFreshSchedulableOpenAIAccountBeforeProfit(
}
fresh = current
}
+ fresh = normalizeCodexQuotaOverdraftAccountForScheduling(ctx, fresh)
if !isOpenAICompatibleAccountEligibleForRequestBeforeProfit(ctx, fresh, platform, requestedModel, requireCompact, requiredCapability) {
return nil
@@ -1408,6 +1431,7 @@ func (s *OpenAIGatewayService) recheckSelectedOpenAIAccountFromDBBeforeProfit(ct
if err != nil || latest == nil {
return nil
}
+ latest = normalizeCodexQuotaOverdraftAccountForScheduling(ctx, latest)
if !s.openAIAccountMatchesSchedulingGroup(latest, groupID) {
return nil
}
@@ -1449,6 +1473,7 @@ func (s *OpenAIGatewayService) getSchedulableAccount(ctx context.Context, accoun
if err != nil || account == nil {
return account, err
}
+ account = normalizeCodexQuotaOverdraftAccountForScheduling(ctx, account)
if s.isOpenAIAccountBlockedBySchedulingThreshold(ctx, account) {
return nil, nil
}
@@ -1489,6 +1514,10 @@ func (s *OpenAIGatewayService) isOpenAIAccountBlockedBySchedulingThreshold(ctx c
if s == nil || s.rateLimitService == nil || account == nil {
return false
}
+ if codexQuotaOverdraftSchedulingEnabled(ctx) && isCodexQuotaOverdraftAccount(account) &&
+ codexQuotaOverdraftSchedulingAllowed(account, time.Now().UTC()) {
+ return false
+ }
return s.rateLimitService.ApplyAccountSchedulingThreshold(ctx, account)
}
diff --git a/backend/internal/service/openai_gateway_service.go b/backend/internal/service/openai_gateway_service.go
index 55353e1d0a728261c4a419d0dca65a12619ce9ca..1f0893afa7d6d47f2b4291920b064f8ecb7d689a 100644
--- a/backend/internal/service/openai_gateway_service.go
+++ b/backend/internal/service/openai_gateway_service.go
@@ -416,6 +416,7 @@ type OpenAIGatewayService struct {
concurrencyService *ConcurrencyService
billingService *BillingService
rateLimitService *RateLimitService
+ codexQuotaOverdraft *CodexQuotaOverdraftCoordinator
billingCacheService *BillingCacheService
userGroupRateResolver *userGroupRateResolver
httpUpstream HTTPUpstream
@@ -464,6 +465,12 @@ type OpenAIGatewayService struct {
openaiCompatAnthropicDigestSessions sync.Map
}
+func (s *OpenAIGatewayService) SetCodexQuotaOverdraftCoordinator(coordinator *CodexQuotaOverdraftCoordinator) {
+ if s != nil {
+ s.codexQuotaOverdraft = coordinator
+ }
+}
+
// NewOpenAIGatewayService creates a new OpenAIGatewayService
func NewOpenAIGatewayService(
accountRepo AccountRepository,
@@ -493,6 +500,7 @@ func NewOpenAIGatewayService(
// 拿不到配置，故在此发布进程级开关快照。配置取反义，零值即「强制统一出口开启」。
if cfg != nil {
SetCodexIdentityEnforcementEnabled(!cfg.Gateway.DisableCodexIdentityEnforcement)
+ SetCodexQuotaOverdraftEnabled(cfg.Gateway.CodexQuotaOverdraftEnabled)
}
svc := &OpenAIGatewayService{
accountRepo: accountRepo,
diff --git a/backend/internal/service/openai_gateway_usage.go b/backend/internal/service/openai_gateway_usage.go
index c55bcdbeac89b7f58f50daaa80c22964a27628d0..baa644ff525cdcf6e438eed335ac1c158784cadb 100644
--- a/backend/internal/service/openai_gateway_usage.go
+++ b/backend/internal/service/openai_gateway_usage.go
@@ -1028,14 +1028,38 @@ func (s *OpenAIGatewayService) updateCodexUsageSnapshot(ctx context.Context, acc
if len(updates) == 0 {
return
}
- if !s.getCodexSnapshotThrottle().Allow(accountID, now) {
- return
- }
+ persistSnapshot := codexQuotaOverdraftSnapshotExhausted(updates) || s.getCodexSnapshotThrottle().Allow(accountID, now)
go func() {
updateCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
- _ = s.accountRepo.UpdateExtra(updateCtx, accountID, updates)
+ var account *Account
+ if !persistSnapshot && s.codexQuotaOverdraft != nil {
+ current, err := s.accountRepo.GetByID(updateCtx, accountID)
+ if err == nil && current != nil {
+ account = current
+ state, hasState := codexQuotaOverdraftStateFromAccount(current)
+ _, wasExhausted := codexQuotaOverdraftSignalFromAccount(current, state, now)
+ persistSnapshot = wasExhausted || hasState && state.Status != codexQuotaOverdraftProbeRecovered
+ }
+ }
+ if persistSnapshot {
+ if err := s.accountRepo.UpdateExtra(updateCtx, accountID, updates); err != nil {
+ return
+ }
+ }
+ if s.codexQuotaOverdraft == nil {
+ return
+ }
+ if account == nil {
+ current, err := s.accountRepo.GetByID(updateCtx, accountID)
+ if err != nil || current == nil {
+ return
+ }
+ account = current
+ }
+ mergeAccountExtra(account, updates)
+ s.codexQuotaOverdraft.ObserveAccount(account, "")
}()
}
diff --git a/backend/internal/service/openai_ws_forwarder_ingress.go b/backend/internal/service/openai_ws_forwarder_ingress.go
index ce7e8f038666c6818a3af948e309a3bb0c84ee22..3c5c5f03a6d678f85b56372d106a8325ce0b743a 100644
--- a/backend/internal/service/openai_ws_forwarder_ingress.go
+++ b/backend/internal/service/openai_ws_forwarder_ingress.go
@@ -804,7 +804,8 @@ func (s *OpenAIGatewayService) ProxyResponsesWebSocketFromClient(
}
turnStart := time.Now()
wroteDownstream := false
- if err := lease.WriteJSONWithContextTimeout(ctx, json.RawMessage(payload), s.openAIWSWriteTimeout()); err != nil {
+ outboundPayload := s.prepareCodexQuotaOverdraftBody(ctx, account, false, payload)
+ if err := lease.WriteJSONWithContextTimeout(ctx, json.RawMessage(outboundPayload), s.openAIWSWriteTimeout()); err != nil {
return nil, wrapOpenAIWSIngressTurnError(
"write_upstream",
fmt.Errorf("write upstream websocket request: %w", err),
diff --git a/backend/internal/service/openai_ws_forwarder_support.go b/backend/internal/service/openai_ws_forwarder_support.go
index 6c6d7c9cf3c2655f013ed58d1a2d0172c098fc98..d5a0ee34b0f9e50357a3503b78d16efc61d37832 100644
--- a/backend/internal/service/openai_ws_forwarder_support.go
+++ b/backend/internal/service/openai_ws_forwarder_support.go
@@ -524,6 +524,7 @@ func (s *OpenAIGatewayService) resolveAccountByPreviousResponseIDForCapability(
_ = store.DeleteResponseAccount(ctx, derefGroupID(groupID), responseID)
return 0, nil, "", nil
}
+ latest = normalizeCodexQuotaOverdraftAccountForScheduling(ctx, latest)
if shouldClearStickySession(latest, requestedModel) || !latest.IsOpenAI() || !latest.IsSchedulable() {
_ = store.DeleteResponseAccount(ctx, derefGroupID(groupID), responseID)
return 0, nil, "", nil
diff --git a/backend/internal/service/openai_ws_forwarder_v2.go b/backend/internal/service/openai_ws_forwarder_v2.go
index e0dbd58bd4f504b32112d9fc5a0c269366330be6..5ea286779bcf83b75760275bcb1789c5cda367bd 100644
--- a/backend/internal/service/openai_ws_forwarder_v2.go
+++ b/backend/internal/service/openai_ws_forwarder_v2.go
@@ -324,6 +324,7 @@ func (s *OpenAIGatewayService) forwardOpenAIWSV2(
); err != nil {
return nil, err
}
+ payload = s.prepareCodexQuotaOverdraftPayload(ctx, account, payload)
if err := lease.WriteJSONWithContextTimeout(ctx, payload, s.openAIWSWriteTimeout()); err != nil {
lease.MarkBroken()
diff --git a/backend/internal/service/openai_ws_v2_passthrough_adapter.go b/backend/internal/service/openai_ws_v2_passthrough_adapter.go
index 775e26980ce0bc70e15f895f9af8be22ccd7aa7e..3bf082a92a8d0759815a52ca68f2ba95698a2238 100644
--- a/backend/internal/service/openai_ws_v2_passthrough_adapter.go
+++ b/backend/internal/service/openai_ws_v2_passthrough_adapter.go
@@ -752,6 +752,7 @@ func (s *OpenAIGatewayService) proxyResponsesWebSocketV2Passthrough(
return NewOpenAIWSClientCloseError(coderws.StatusPolicyViolation, blocked.Message, blocked)
}
firstClientMessage = updatedFirst
+ firstClientMessage = s.prepareCodexQuotaOverdraftBody(ctx, account, false, firstClientMessage)
// 在 policy filter 之后再提取 service_tier / reasoning_effort 用于
// usage 上报：filter
@@ -1034,6 +1035,7 @@ func (s *OpenAIGatewayService) proxyResponsesWebSocketV2Passthrough(
// 覆盖（Store(nil)），因为 OpenAI 上游对该帧实际不传
// service_tier 时按 default 处理，billing 应如实反映。
if policyErr == nil && blocked == nil && isResponseCreate {
+ out = s.prepareCodexQuotaOverdraftBody(ctx, account, false, out)
usageMeta.updateFromResponseCreate(out, model, requestModelForThisFrame)
acceptedTurn = true
}
diff --git a/backend/internal/service/ratelimit_service.go b/backend/internal/service/ratelimit_service.go
index ee5b09bbb4b18afcc9f423b74ebea2419a82392b..b56b2b015273d6e463d3e50f8714c6e009aa8d73 100644
--- a/backend/internal/service/ratelimit_service.go
+++ b/backend/internal/service/ratelimit_service.go
@@ -149,6 +149,10 @@ func (s *RateLimitService) ApplyAccountSchedulingThreshold(ctx context.Context,
if !account.IsActive() || !account.Schedulable {
return false
}
+ if codexQuotaOverdraftSchedulingEnabled(ctx) && isCodexQuotaOverdraftAccount(account) &&
+ codexQuotaOverdraftSchedulingAllowed(account, time.Now().UTC()) {
+ return false
+ }
now := time.Now().UTC()
thresholds := s.settingService.GetAccountSchedulingThresholds(ctx)
@@ -176,7 +180,12 @@ func (s *RateLimitService) ApplyAccountSchedulingThreshold(ctx context.Context,
account.TempUnschedulableUntil = cloneTimePtr(decision.Until)
account.TempUnschedulableReason = reason
- s.notifyAccountSchedulingBlocked(account, *decision.Until, "account_scheduling_threshold")
+ // When overdraft is globally enabled, the persisted threshold pause remains
+ // visible to ordinary endpoints, but it must not create an untyped runtime
+ // blocker that would also hide the account from an overdraft-marked request.
+ if !CodexQuotaOverdraftEnabled() || !isCodexQuotaOverdraftAccount(account) {
+ s.notifyAccountSchedulingBlocked(account, *decision.Until, "account_scheduling_threshold")
+ }
if err := s.accountRepo.SetTempUnschedulable(ctx, account.ID, *decision.Until, reason); err != nil {
slog.Warn("account_scheduling_threshold_set_temp_unsched_failed",
diff --git a/backend/internal/service/update_service.go b/backend/internal/service/update_service.go
index 82df3bb024605360f36e75daa3891b1483995d27..659ee2c33189c22945278c5d85468cb6b72906ae 100644
--- a/backend/internal/service/update_service.go
+++ b/backend/internal/service/update_service.go
@@ -20,17 +20,21 @@ import (
"time"
infraerrors "github.com/Wei-Shaw/sub2api/internal/pkg/errors"
+ "golang.org/x/mod/semver"
)
var (
ErrNoUpdateAvailable = infraerrors.Conflict("ALREADY_UP_TO_DATE", "no update available; current version is latest")
ErrRollbackVersionNotAllowed = infraerrors.BadRequest("ROLLBACK_VERSION_NOT_ALLOWED", "version is not in the allowed rollback list")
+ ErrSourceBuildUpdateRequired = infraerrors.Conflict("SOURCE_BUILD_UPDATE_REQUIRED", "source builds must be updated with git pull and rebuilt")
)
const (
- updateCacheKey = "update_check_cache"
- updateCacheTTL = 1200 // 20 minutes
- githubRepo = "Wei-Shaw/sub2api"
+ updateCacheTTL = 1200 // 20 minutes
+ githubRepo = "DeanZFC/sub2api-overdraft"
+ githubSourceBranch = "codex-overdraft"
+ githubForkVersionFile = "FORK_VERSION"
+ githubSourceUpdateURL = "https://github.com/DeanZFC/sub2api-overdraft/commits/codex-overdraft"
// Security: allowed download domains for updates
allowedDownloadHost = "github.com"
@@ -55,6 +59,7 @@ type UpdateCache interface {
type GitHubReleaseClient interface {
FetchLatestRelease(ctx context.Context, repo string) (*GitHubRelease, error)
FetchRecentReleases(ctx context.Context, repo string, perPage int) ([]*GitHubRelease, error)
+ FetchRepositoryFile(ctx context.Context, repo, ref, filePath string) ([]byte, error)
DownloadFile(ctx context.Context, url, dest string, maxSize int64) error
FetchChecksumFile(ctx context.Context, url string) ([]byte, error)
}
@@ -138,8 +143,15 @@ func (s *UpdateService) CheckUpdate(ctx context.Context, force bool) (*UpdateInf
}
}
- // Fetch from GitHub
- info, err := s.fetchLatestRelease(ctx)
+ // Source builds track the Fork branch version file. Release builds track the
+ // Fork's GitHub Releases and remain eligible for binary replacement.
+ var info *UpdateInfo
+ var err error
+ if s.isSourceBuild() {
+ info, err = s.fetchLatestSourceVersion(ctx)
+ } else {
+ info, err = s.fetchLatestRelease(ctx)
+ }
if err != nil {
// Return cached on error
if cached, cacheErr := s.getFromCache(ctx); cacheErr == nil && cached != nil {
@@ -163,6 +175,9 @@ func (s *UpdateService) CheckUpdate(ctx context.Context, force bool) (*UpdateInf
// PerformUpdate downloads and applies the update
// Uses atomic file replacement pattern for safe in-place updates
func (s *UpdateService) PerformUpdate(ctx context.Context) error {
+ if s.isSourceBuild() {
+ return ErrSourceBuildUpdateRequired
+ }
info, err := s.CheckUpdate(ctx, true)
if err != nil {
return err
@@ -307,6 +322,9 @@ func (s *UpdateService) Rollback() error {
// strictly older than the current version (the current version itself is excluded),
// newest first. Draft and prerelease entries are skipped.
func (s *UpdateService) ListRollbackVersions(ctx context.Context) ([]RollbackVersion, error) {
+ if s.isSourceBuild() {
+ return []RollbackVersion{}, nil
+ }
releases, err := s.fetchRollbackCandidates(ctx)
if err != nil {
return nil, err
@@ -327,6 +345,9 @@ func (s *UpdateService) ListRollbackVersions(ctx context.Context) ([]RollbackVer
// The target must be one of the versions returned by ListRollbackVersions;
// anything else (including the current version) is rejected.
func (s *UpdateService) RollbackToVersion(ctx context.Context, version string) error {
+ if s.isSourceBuild() {
+ return ErrSourceBuildUpdateRequired
+ }
target := strings.TrimPrefix(strings.TrimSpace(version), "v")
if target == "" {
return ErrRollbackVersionNotAllowed
@@ -432,6 +453,33 @@ func (s *UpdateService) fetchLatestRelease(ctx context.Context) (*UpdateInfo, er
}, nil
}
+func (s *UpdateService) fetchLatestSourceVersion(ctx context.Context) (*UpdateInfo, error) {
+ raw, err := s.githubClient.FetchRepositoryFile(ctx, githubRepo, githubSourceBranch, githubForkVersionFile)
+ if err != nil {
+ return nil, err
+ }
+ latestVersion := strings.TrimSpace(string(raw))
+ if canonicalVersion(latestVersion) == "" {
+ return nil, fmt.Errorf("Fork version file contains invalid semantic version %q", latestVersion)
+ }
+
+ return &UpdateInfo{
+ CurrentVersion: s.currentVersion,
+ LatestVersion: latestVersion,
+ HasUpdate: compareVersions(s.currentVersion, latestVersion) < 0,
+ ReleaseInfo: &ReleaseInfo{
+ Name: "sub2api-overdraft " + latestVersion,
+ HTMLURL: githubSourceUpdateURL,
+ },
+ Cached: false,
+ BuildType: s.buildType,
+ }, nil
+}
+
+func (s *UpdateService) isSourceBuild() bool {
+ return strings.EqualFold(strings.TrimSpace(s.buildType), "source")
+}
+
func (s *UpdateService) downloadFile(ctx context.Context, downloadURL, dest string) error {
return s.githubClient.DownloadFile(ctx, downloadURL, dest, maxDownloadSize)
}
@@ -603,6 +651,8 @@ func (s *UpdateService) getFromCache(ctx context.Context) (*UpdateInfo, error) {
Latest string `json:"latest"`
ReleaseInfo *ReleaseInfo `json:"release_info"`
Timestamp int64 `json:"timestamp"`
+ Repository string `json:"repository"`
+ BuildType string `json:"build_type"`
}
if err := json.Unmarshal([]byte(data), &cached); err != nil {
return nil, err
@@ -611,6 +661,9 @@ func (s *UpdateService) getFromCache(ctx context.Context) (*UpdateInfo, error) {
if time.Now().Unix()-cached.Timestamp > updateCacheTTL {
return nil, fmt.Errorf("cache expired")
}
+ if cached.Repository != githubRepo || cached.BuildType != s.buildType {
+ return nil, fmt.Errorf("cache belongs to a different update source")
+ }
return &UpdateInfo{
CurrentVersion: s.currentVersion,
@@ -627,10 +680,14 @@ func (s *UpdateService) saveToCache(ctx context.Context, info *UpdateInfo) {
Latest string `json:"latest"`
ReleaseInfo *ReleaseInfo `json:"release_info"`
Timestamp int64 `json:"timestamp"`
+ Repository string `json:"repository"`
+ BuildType string `json:"build_type"`
}{
Latest: info.LatestVersion,
ReleaseInfo: info.ReleaseInfo,
Timestamp: time.Now().Unix(),
+ Repository: githubRepo,
+ BuildType: s.buildType,
}
data, _ := json.Marshal(cacheData)
@@ -639,6 +696,12 @@ func (s *UpdateService) saveToCache(ctx context.Context, info *UpdateInfo) {
// compareVersions compares two semantic versions
func compareVersions(current, latest string) int {
+ currentSemver := canonicalVersion(current)
+ latestSemver := canonicalVersion(latest)
+ if currentSemver != "" && latestSemver != "" {
+ return semver.Compare(currentSemver, latestSemver)
+ }
+
currentParts := parseVersion(current)
latestParts := parseVersion(latest)
@@ -653,6 +716,20 @@ func compareVersions(current, latest string) int {
return 0
}
+func canonicalVersion(value string) string {
+ value = strings.TrimSpace(value)
+ if value == "" {
+ return ""
+ }
+ if !strings.HasPrefix(value, "v") {
+ value = "v" + value
+ }
+ if !semver.IsValid(value) {
+ return ""
+ }
+ return value
+}
+
func parseVersion(v string) [3]int {
v = strings.TrimPrefix(v, "v")
parts := strings.Split(v, ".")
diff --git a/backend/internal/service/update_service_test.go b/backend/internal/service/update_service_test.go
index 243e25d1e47d891434afabb274c709abbdaac935..99ef67944e07fe28af9ddc73161a616ba2d4e6d1 100644
--- a/backend/internal/service/update_service_test.go
+++ b/backend/internal/service/update_service_test.go
@@ -28,12 +28,20 @@ func (s *updateServiceCacheStub) SetUpdateInfo(_ context.Context, data string, _
}
type updateServiceGitHubClientStub struct {
- release *GitHubRelease
- recentReleases []*GitHubRelease
- recentErr error
+ release *GitHubRelease
+ recentReleases []*GitHubRelease
+ recentErr error
+ repositoryFile []byte
+ repositoryFileErr error
+ latestRepo string
+ fileRepo string
+ fileRef string
+ filePath string
+ fileCalls int
}
-func (s *updateServiceGitHubClientStub) FetchLatestRelease(context.Context, string) (*GitHubRelease, error) {
+func (s *updateServiceGitHubClientStub) FetchLatestRelease(_ context.Context, repo string) (*GitHubRelease, error) {
+ s.latestRepo = repo
return s.release, nil
}
@@ -41,6 +49,14 @@ func (s *updateServiceGitHubClientStub) FetchRecentReleases(context.Context, str
return s.recentReleases, s.recentErr
}
+func (s *updateServiceGitHubClientStub) FetchRepositoryFile(_ context.Context, repo, ref, filePath string) ([]byte, error) {
+ s.fileCalls++
+ s.fileRepo = repo
+ s.fileRef = ref
+ s.filePath = filePath
+ return s.repositoryFile, s.repositoryFileErr
+}
+
func (s *updateServiceGitHubClientStub) DownloadFile(context.Context, string, string, int64) error {
panic("DownloadFile should not be called when no update is available")
}
@@ -69,6 +85,72 @@ func TestUpdateServicePerformUpdateNoUpdateReturnsSentinel(t *testing.T) {
require.ErrorIs(t, err, ErrNoUpdateAvailable)
}
+func TestUpdateServiceSourceBuildTracksForkVersionFile(t *testing.T) {
+ client := &updateServiceGitHubClientStub{repositoryFile: []byte("0.1.176-overdraft.2\n")}
+ svc := NewUpdateService(
+ &updateServiceCacheStub{},
+ client,
+ "0.1.176-overdraft.1",
+ "source",
+ )
+
+ info, err := svc.CheckUpdate(context.Background(), true)
+
+ require.NoError(t, err)
+ require.Equal(t, "0.1.176-overdraft.1", info.CurrentVersion)
+ require.Equal(t, "0.1.176-overdraft.2", info.LatestVersion)
+ require.True(t, info.HasUpdate)
+ require.Equal(t, "source", info.BuildType)
+ require.Equal(t, githubSourceUpdateURL, info.ReleaseInfo.HTMLURL)
+ require.Equal(t, githubRepo, client.fileRepo)
+ require.Equal(t, githubSourceBranch, client.fileRef)
+ require.Equal(t, githubForkVersionFile, client.filePath)
+ require.Empty(t, client.latestRepo, "源码构建不能查询官方或 Fork 的二进制 Release")
+}
+
+func TestUpdateServiceSourceBuildIgnoresLegacyOfficialCache(t *testing.T) {
+ cache := &updateServiceCacheStub{data: `{"latest":"0.1.176","timestamp":4102444800}`}
+ client := &updateServiceGitHubClientStub{repositoryFile: []byte("0.1.176-overdraft.1\n")}
+ svc := NewUpdateService(cache, client, "0.1.176-overdraft.1", "source")
+
+ info, err := svc.CheckUpdate(context.Background(), false)
+
+ require.NoError(t, err)
+ require.False(t, info.HasUpdate)
+ require.Equal(t, "0.1.176-overdraft.1", info.LatestVersion)
+ require.Equal(t, 1, client.fileCalls)
+}
+
+func TestUpdateServiceSourceBuildRejectsBinaryUpdate(t *testing.T) {
+ svc := NewUpdateService(
+ &updateServiceCacheStub{},
+ &updateServiceGitHubClientStub{},
+ "0.1.176-overdraft.1",
+ "source",
+ )
+
+ err := svc.PerformUpdate(context.Background())
+
+ require.ErrorIs(t, err, ErrSourceBuildUpdateRequired)
+}
+
+func TestUpdateServiceReleaseBuildUsesForkRepository(t *testing.T) {
+ client := &updateServiceGitHubClientStub{release: &GitHubRelease{TagName: "v0.1.177-overdraft.1"}}
+ svc := NewUpdateService(&updateServiceCacheStub{}, client, "0.1.176-overdraft.1", "release")
+
+ info, err := svc.CheckUpdate(context.Background(), true)
+
+ require.NoError(t, err)
+ require.True(t, info.HasUpdate)
+ require.Equal(t, githubRepo, client.latestRepo)
+}
+
+func TestCompareVersionsSupportsForkPrereleaseRevisions(t *testing.T) {
+ require.Less(t, compareVersions("0.1.176-overdraft.1", "0.1.176-overdraft.2"), 0)
+ require.Zero(t, compareVersions("v0.1.176-overdraft.2", "0.1.176-overdraft.2"))
+ require.Greater(t, compareVersions("0.1.177-overdraft.1", "0.1.176-overdraft.9"), 0)
+}
+
func newRollbackTestService(current string, releases []*GitHubRelease) *UpdateService {
return NewUpdateService(
&updateServiceCacheStub{},
diff --git a/backend/internal/service/wire.go b/backend/internal/service/wire.go
index 2e26c0035c22c55a4b89eb7bd39cc2b05ed2f7f4..1e853b64c4d4133aa2ddf940c63c07f94f8fcd7f 100644
--- a/backend/internal/service/wire.go
+++ b/backend/internal/service/wire.go
@@ -202,6 +202,7 @@ func ProvideAccountUsageService(
identityCache IdentityCache,
tlsFPProfileService *TLSFingerprintProfileService,
openAIGatewayService *OpenAIGatewayService,
+ codexQuotaOverdraft *CodexQuotaOverdraftCoordinator,
) *AccountUsageService {
service := NewAccountUsageService(
accountRepo,
@@ -217,9 +218,36 @@ func ProvideAccountUsageService(
tlsFPProfileService,
)
service.agentIdentityWS = openAIGatewayService
+ service.SetCodexQuotaOverdraftCoordinator(codexQuotaOverdraft)
return service
}
+func ProvideCodexQuotaOverdraftCoordinator(
+ accountRepo AccountRepository,
+ httpUpstream HTTPUpstream,
+ openAITokenProvider *OpenAITokenProvider,
+ tlsFPProfileService *TLSFingerprintProfileService,
+ cfg *config.Config,
+ tempUnschedCache TempUnschedCache,
+ runtimeBlocker AccountRuntimeBlocker,
+ rateLimitService *RateLimitService,
+) *CodexQuotaOverdraftCoordinator {
+ coordinator := NewCodexQuotaOverdraftCoordinator(
+ accountRepo,
+ httpUpstream,
+ openAITokenProvider,
+ tlsFPProfileService,
+ cfg,
+ tempUnschedCache,
+ runtimeBlocker,
+ rateLimitService,
+ )
+ if gateway, ok := runtimeBlocker.(*OpenAIGatewayService); ok {
+ gateway.SetCodexQuotaOverdraftCoordinator(coordinator)
+ }
+ return coordinator
+}
+
func ProvideAccountTestService(
accountRepo AccountRepository,
geminiTokenProvider *GeminiTokenProvider,
@@ -231,6 +259,7 @@ func ProvideAccountTestService(
tlsFPProfileService *TLSFingerprintProfileService,
openAIGatewayService *OpenAIGatewayService,
settingService *SettingService,
+ codexQuotaOverdraft *CodexQuotaOverdraftCoordinator,
) *AccountTestService {
service := NewAccountTestService(
accountRepo,
@@ -244,6 +273,7 @@ func ProvideAccountTestService(
)
service.agentIdentityWS = openAIGatewayService
service.SetSettingService(settingService)
+ service.SetCodexQuotaOverdraftCoordinator(codexQuotaOverdraft)
return service
}
@@ -799,6 +829,7 @@ var ProviderSet = wire.NewSet(
ProvideClaudeTokenProvider,
NewAntigravityGatewayService,
ProvideRateLimitService,
+ ProvideCodexQuotaOverdraftCoordinator,
ProvideAccountUsageService,
ProvideAccountTestService,
ProvideUpstreamBillingProbeService,
diff --git a/deploy/.env.example b/deploy/.env.example
index 6beca88308572880c2ffdad0ff051c571ac223ff..da4b71fc93cb85084e669ae94e65580bf37a76f3 100644
--- a/deploy/.env.example
+++ b/deploy/.env.example
@@ -280,6 +280,9 @@ RATE_LIMIT_OVERLOAD_COOLDOWN_MINUTES=10
#
# 默认：false
GATEWAY_FORCE_CODEX_CLI=false
+# sub2api-overdraft: Codex 5h/7d 额度达到 100% 后启用真实探测和透支调度。
+# 设为 false 可立即恢复上游 Sub2API 的调度和请求行为。
+GATEWAY_CODEX_QUOTA_OVERDRAFT_ENABLED=true
# OpenAI /responses/compact 上游模型（默认 gpt-5.4）。
# 当 compact 端点暂未支持更新模型时，可通过这里降级规避失败。
GATEWAY_OPENAI_COMPACT_MODEL=gpt-5.4
diff --git a/deploy/config.example.yaml b/deploy/config.example.yaml
index 095c550993527ea2b53871088f58b02e4082fc63..cd71e4a3d60fd8d9e5db3c8e8b96d28b49e6720c 100644
--- a/deploy/config.example.yaml
+++ b/deploy/config.example.yaml
@@ -4,7 +4,7 @@
# Copy this file to /etc/sub2api/config.yaml and modify as needed
# 复制此文件到 /etc/sub2api/config.yaml 并根据需要修改
#
-# Documentation / 文档: https://github.com/Wei-Shaw/sub2api
+# Documentation / 文档: https://github.com/DeanZFC/sub2api-overdraft
# =============================================================================
# Server Configuration
@@ -287,6 +287,11 @@ gateway:
# 默认 false：保持纯文本 Codex 请求不被改写；客户端显式提供 image_generation tool 时，
# 仍会在分组允许图片生成的情况下正常转发。
codex_image_generation_bridge_enabled: false
+ # Experimental: allow eligible OpenAI OAuth Codex accounts to keep serving
+ # after the reported 5h/7d quota reaches the scheduling threshold.
+ # 实验性 Codex 额度透支：为符合条件的 OAuth 请求注入空操作工具调用，并忽略
+ # 5h/7d 用量百分比预暂停。真实上游 429 仍会触发账号冷却。此部署示例默认开启。
+ codex_quota_overdraft_enabled: true
# Optional: template file used to build the final top-level Codex `instructions`.
# 可选：用于构建最终 Codex 顶层 `instructions` 的模板文件路径。
#
diff --git a/deploy/docker-compose.overdraft.yml b/deploy/docker-compose.overdraft.yml
new file mode 100644
index 0000000000000000000000000000000000000000..eeb8525db74c458ecc7a213f0732d871799b5300
--- /dev/null
+++ b/deploy/docker-compose.overdraft.yml
@@ -0,0 +1,16 @@
+# sub2api-overdraft source-build overlay.
+# Use together with docker-compose.local.yml from this directory:
+# docker compose -f docker-compose.local.yml -f docker-compose.overdraft.yml up -d --build
+
+services:
+ sub2api:
+ image: sub2api-overdraft:local
+ build:
+ context: ..
+ dockerfile: Dockerfile
+ args:
+ VERSION: ${BUILD_VERSION:-}
+ COMMIT: ${BUILD_COMMIT:-local}
+ BUILD_TYPE: source
+ environment:
+ - GATEWAY_CODEX_QUOTA_OVERDRAFT_ENABLED=${GATEWAY_CODEX_QUOTA_OVERDRAFT_ENABLED:-true}
diff --git a/frontend/index.html b/frontend/index.html
index 245db62961e97784b3bc65a8c399fea279c9956a..e6b3b8061ccc4013571b3d01728dbb8296c5bf67 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -4,7 +4,7 @@
<meta charset="UTF-8" />
<link rel="icon" type="image/svg+xml" href="/logo.svg" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <title>Sub2API - AI API Gateway</title>
+ <title>sub2api-overdraft - AI API Gateway</title>
</head>
<body>
<div id="app"></div>
diff --git a/frontend/src/components/account/AccountUsageCell.vue b/frontend/src/components/account/AccountUsageCell.vue
index 485b4b8701020a68bb1b38606d68cd3991c87e0b..4e7aefb5137245ddfa42a3e24ac495cd4ce8b365 100644
--- a/frontend/src/components/account/AccountUsageCell.vue
+++ b/frontend/src/components/account/AccountUsageCell.vue
@@ -119,12 +119,32 @@
<!-- OpenAI OAuth accounts: single source from /usage API -->
<template v-else-if="account.platform === 'openai' && account.type === 'oauth'">
<div v-if="hasOpenAIUsageFallback" class="space-y-1">
+ <div
+ v-if="codexOverdraftStatus"
+ class="flex items-center gap-1.5 text-[9px]"
+ :class="codexOverdraftStatus.textClass"
+ :title="codexOverdraftStatus.title"
+ >
+ <span
+ class="rounded px-1.5 py-0.5 font-medium"
+ :class="codexOverdraftStatus.badgeClass"
+ >
+ {{ codexOverdraftStatus.label }}
+ </span>
+ <span v-if="codexOverdraftStatus.detail" class="text-gray-500 dark:text-gray-400">
+ {{ codexOverdraftStatus.detail }}
+ </span>
+ </div>
<UsageProgressBar
v-if="usageInfo?.five_hour"
label="5h"
:utilization="usageInfo.five_hour.utilization"
:resets-at="usageInfo.five_hour.resets_at"
:window-stats="usageInfo.five_hour.window_stats"
+ :overdraft-active="usageInfo.five_hour.overdraft_active"
+ :overdraft-stats="usageInfo.five_hour.overdraft_stats"
+ :overdraft-started-at="usageInfo.five_hour.overdraft_started_at"
+ :overdraft-recover-at="usageInfo.five_hour.overdraft_recover_at"
:show-now-when-idle="true"
color="indigo"
/>
@@ -134,6 +154,10 @@
:utilization="usageInfo.seven_day.utilization"
:resets-at="usageInfo.seven_day.resets_at"
:window-stats="usageInfo.seven_day.window_stats"
+ :overdraft-active="usageInfo.seven_day.overdraft_active"
+ :overdraft-stats="usageInfo.seven_day.overdraft_stats"
+ :overdraft-started-at="usageInfo.seven_day.overdraft_started_at"
+ :overdraft-recover-at="usageInfo.seven_day.overdraft_recover_at"
:show-now-when-idle="true"
color="emerald"
/>
@@ -731,7 +755,70 @@ const geminiUsageAvailable = computed(() => {
const hasOpenAIUsageFallback = computed(() => {
if (props.account.platform !== 'openai' || props.account.type !== 'oauth') return false
- return !!usageInfo.value?.five_hour || !!usageInfo.value?.seven_day
+ return !!usageInfo.value?.five_hour || !!usageInfo.value?.seven_day || !!usageInfo.value?.codex_quota_overdraft
+})
+
+const codexOverdraftStatus = computed(() => {
+ const probe = usageInfo.value?.codex_quota_overdraft
+ if (!probe) return null
+
+ const attempts = Math.max(0, probe.attempts || 0)
+ const limit = Math.max(1, probe.limit || 5)
+ const windowLabel = probe.quota_window === 'multiple' ? '5h / 7d' : probe.quota_window
+ const testedAt = probe.tested_at ? new Date(probe.tested_at).toLocaleString() : ''
+ const recoverAt = probe.recover_at ? new Date(probe.recover_at).toLocaleString() : ''
+ const retryAt = probe.retry_at ? new Date(probe.retry_at).toLocaleString() : ''
+ const titleParts = [windowLabel]
+ if (probe.model) titleParts.push(probe.model)
+ if (probe.reason_code) titleParts.push(probe.reason_code)
+ if (testedAt) titleParts.push(`${t('usage.overdraftTestedAt')}: ${testedAt}`)
+ if (recoverAt) titleParts.push(`${t('usage.overdraftRecoverAt')}: ${recoverAt}`)
+ if (retryAt) titleParts.push(`${t('usage.overdraftRetryAt')}: ${retryAt}`)
+
+ switch (probe.status) {
+ case 'pending':
+ return {
+ label: t('usage.overdraftProbePending'),
+ detail: `${attempts}/${limit} · ${windowLabel}`,
+ title: titleParts.join(' · '),
+ textClass: 'text-amber-600 dark:text-amber-400',
+ badgeClass: 'bg-amber-50 dark:bg-amber-950/40'
+ }
+ case 'passed':
+ return {
+ label: t('usage.overdraftActive'),
+ detail: `${attempts}/${limit} · ${windowLabel}`,
+ title: titleParts.join(' · '),
+ textClass: 'text-red-600 dark:text-red-400',
+ badgeClass: 'bg-red-50 dark:bg-red-950/40'
+ }
+ case 'failed':
+ return {
+ label: t('usage.overdraftProbeFailed'),
+ detail: `${attempts}/${limit} · ${windowLabel}`,
+ title: titleParts.join(' · '),
+ textClass: 'text-red-600 dark:text-red-400',
+ badgeClass: 'bg-red-50 dark:bg-red-950/40'
+ }
+ case 'inconclusive':
+ return {
+ label: t('usage.overdraftProbeInconclusive'),
+ detail: `${attempts}/${limit} · ${windowLabel}`,
+ title: titleParts.join(' · '),
+ textClass: 'text-amber-600 dark:text-amber-400',
+ badgeClass: 'bg-amber-50 dark:bg-amber-950/40'
+ }
+ case 'recovered':
+ return {
+ label: t('usage.overdraftRecovered'),
+ detail: windowLabel,
+ title: titleParts.join(' · '),
+ textClass: 'text-emerald-600 dark:text-emerald-400',
+ badgeClass: 'bg-emerald-50 dark:bg-emerald-950/40'
+ }
+ default:
+ return null
+ }
})
const openAIUsageRefreshKey = computed(() => buildOpenAIUsageRefreshKey(props.account))
diff --git a/frontend/src/components/account/UsageProgressBar.vue b/frontend/src/components/account/UsageProgressBar.vue
index 2f8b9a88a7ade8fb57871dacd5aa8d1f3e0490df..722ff5bac06f015f68e0fe10fbf03775522deff5 100644
--- a/frontend/src/components/account/UsageProgressBar.vue
+++ b/frontend/src/components/account/UsageProgressBar.vue
@@ -25,6 +25,19 @@
</div>
</div>
+ <div
+ v-if="overdraftActive"
+ class="mb-0.5 flex items-center gap-1.5 text-[9px] text-red-600 dark:text-red-400"
+ :title="overdraftTitle"
+ >
+ <span class="rounded bg-red-50 px-1.5 py-0.5 font-medium dark:bg-red-950/40">
+ {{ t('usage.overdraftActive') }}
+ </span>
+ <span v-if="overdraftStats" class="text-gray-500 dark:text-gray-400">
+ {{ formatOverdraftRequests }} req · {{ formatOverdraftTokens }} · ${{ formatOverdraftCost }}
+ </span>
+ </div>
+
<!-- Progress bar row -->
<div class="flex items-center gap-1">
<!-- Label badge (fixed width for alignment) -->
@@ -70,6 +83,10 @@ const props = defineProps<{
windowStats?: WindowStats | null
showNowWhenIdle?: boolean
remainingCapacity?: boolean
+ overdraftActive?: boolean
+ overdraftStats?: WindowStats | null
+ overdraftStartedAt?: string | null
+ overdraftRecoverAt?: string | null
}>()
const { t } = useI18n()
@@ -218,4 +235,24 @@ const formatUserCost = computed(() => {
return props.windowStats.user_cost.toFixed(2)
})
+const formatOverdraftRequests = computed(() => {
+ if (!props.overdraftStats) return ''
+ return formatCompactNumber(props.overdraftStats.requests, { allowBillions: false })
+})
+
+const formatOverdraftTokens = computed(() => {
+ if (!props.overdraftStats) return ''
+ return formatCompactNumber(props.overdraftStats.tokens)
+})
+
+const formatOverdraftCost = computed(() => {
+ if (!props.overdraftStats) return '0.00'
+ return props.overdraftStats.cost.toFixed(2)
+})
+
+const overdraftTitle = computed(() => {
+ if (!props.overdraftRecoverAt) return t('usage.overdraftActive')
+ return `${t('usage.overdraftActive')} · ${t('usage.overdraftRecoverAt')}: ${new Date(props.overdraftRecoverAt).toLocaleString()}`
+})
+
</script>
diff --git a/frontend/src/components/account/__tests__/AccountUsageCell.spec.ts b/frontend/src/components/account/__tests__/AccountUsageCell.spec.ts
index ff0e94d6647ec290dbb79f366228d75055254f8f..8c12d75698e05736fc3afce48712beb6f3b6f607 100644
--- a/frontend/src/components/account/__tests__/AccountUsageCell.spec.ts
+++ b/frontend/src/components/account/__tests__/AccountUsageCell.spec.ts
@@ -615,6 +615,51 @@ describe('AccountUsageCell', () => {
expect(wrapper.text()).toContain('7d|100|106540000')
})
+ it('OpenAI OAuth 会显示五次探测确认的限额状态', async () => {
+ getUsage.mockResolvedValue({
+ five_hour: {
+ utilization: 100,
+ resets_at: '2099-03-07T12:00:00Z',
+ remaining_seconds: 3600
+ },
+ seven_day: null,
+ codex_quota_overdraft: {
+ status: 'failed',
+ quota_window: '5h',
+ cycle_key: '5h:4076577600',
+ attempts: 5,
+ limit: 5,
+ model: 'gpt-5.5',
+ reason_code: 'quota_limited',
+ started_at: '2099-03-07T10:00:00Z',
+ tested_at: '2099-03-07T10:01:00Z',
+ recover_at: '2099-03-07T12:00:00Z'
+ }
+ })
+
+ const wrapper = mount(AccountUsageCell, {
+ props: {
+ account: makeAccount({
+ id: 2005,
+ platform: 'openai',
+ type: 'oauth',
+ extra: {}
+ })
+ },
+ global: {
+ stubs: {
+ UsageProgressBar: true,
+ AccountQuotaInfo: true
+ }
+ }
+ })
+
+ await flushPromises()
+
+ expect(wrapper.text()).toContain('usage.overdraftProbeFailed')
+ expect(wrapper.text()).toContain('5/5 · 5h')
+ })
+
it('Key 账号会展示 today stats 徽章并带 A/U 提示', async () => {
const wrapper = mount(AccountUsageCell, {
props: {
diff --git a/frontend/src/components/account/__tests__/UsageProgressBar.spec.ts b/frontend/src/components/account/__tests__/UsageProgressBar.spec.ts
index af5fc5d66d8646f5565a816e4a146adc515edd22..b7abe23af3e7a2309311f00aaeed0eee9eab42ea 100644
--- a/frontend/src/components/account/__tests__/UsageProgressBar.spec.ts
+++ b/frontend/src/components/account/__tests__/UsageProgressBar.spec.ts
@@ -146,4 +146,26 @@ describe('UsageProgressBar', () => {
expect(wrapper.get('.h-1\\.5 > div').attributes('style')).toContain('width: 100%')
expect(wrapper.get('.h-1\\.5 > div').classes()).toContain('bg-red-500')
})
+
+ it('透支期会显示请求、Token 和账号金额', () => {
+ const wrapper = mount(UsageProgressBar, {
+ props: {
+ label: '5h',
+ utilization: 100,
+ color: 'indigo',
+ overdraftActive: true,
+ overdraftRecoverAt: '2026-03-17T02:30:00Z',
+ overdraftStats: {
+ requests: 12,
+ tokens: 3456,
+ cost: 1.23
+ }
+ }
+ })
+
+ expect(wrapper.text()).toContain('usage.overdraftActive')
+ expect(wrapper.text()).toContain('12 req')
+ expect(wrapper.text()).toContain('3.5K')
+ expect(wrapper.text()).toContain('$1.23')
+ })
})
diff --git a/frontend/src/components/common/VersionBadge.vue b/frontend/src/components/common/VersionBadge.vue
index 7fd62947f7ea83afa1c68a2e070b1d7733374be6..f3c74b52f0182a96fb649448bc57a3e02b0b85c6 100644
--- a/frontend/src/components/common/VersionBadge.vue
+++ b/frontend/src/components/common/VersionBadge.vue
@@ -651,7 +651,7 @@ import {
import { useClipboard } from '@/composables/useClipboard'
import Icon from '@/components/icons/Icon.vue'
-const GITHUB_REPO = 'Wei-Shaw/sub2api'
+const GITHUB_REPO = 'DeanZFC/sub2api-overdraft'
// Docker Hub image published by CI (tags carry no "v" prefix, e.g. weishaw/sub2api:0.1.146)
const DOCKER_IMAGE = 'weishaw/sub2api'
diff --git a/frontend/src/i18n/locales/en/dashboard.ts b/frontend/src/i18n/locales/en/dashboard.ts
index 4204a9d679c54ad0c38e544c47edcec3074fe184..d51f339950e39d14e2fda2df4fbdd6e43abe56c8 100644
--- a/frontend/src/i18n/locales/en/dashboard.ts
+++ b/frontend/src/i18n/locales/en/dashboard.ts
@@ -282,6 +282,14 @@ export default {
accountCost: 'Cost',
userBilled: 'User billed',
accountBilled: 'Account billed',
+ overdraftActive: 'Overdraft active',
+ overdraftRecoverAt: 'Expected recovery',
+ overdraftRetryAt: 'Next retry',
+ overdraftTestedAt: 'Probed at',
+ overdraftProbePending: 'Overdraft probe running',
+ overdraftProbeFailed: 'Quota limit confirmed',
+ overdraftProbeInconclusive: 'Probe inconclusive',
+ overdraftRecovered: 'Quota recovered',
resetNow: 'Now',
resetPending: 'Pending refresh',
accountMultiplier: 'Account rate',
diff --git a/frontend/src/i18n/locales/zh/dashboard.ts b/frontend/src/i18n/locales/zh/dashboard.ts
index 1d9b8f45746521dc6b35cc2f4e81385938661dc7..dd53bba760a8ea2fc8fcedb4a3396cb9eb4e2617 100644
--- a/frontend/src/i18n/locales/zh/dashboard.ts
+++ b/frontend/src/i18n/locales/zh/dashboard.ts
@@ -287,6 +287,14 @@ export default {
accountCost: '成本',
userBilled: '用户扣费',
accountBilled: '账号计费',
+ overdraftActive: '透支中',
+ overdraftRecoverAt: '预计恢复',
+ overdraftRetryAt: '下次重试',
+ overdraftTestedAt: '探测时间',
+ overdraftProbePending: '透支探测中',
+ overdraftProbeFailed: '已确认限额',
+ overdraftProbeInconclusive: '探测无法确认',
+ overdraftRecovered: '额度已恢复',
resetNow: '现在',
resetPending: '待刷新',
accountMultiplier: '账号倍率',
diff --git a/frontend/src/types/index.ts b/frontend/src/types/index.ts
index 19ef541bc61fe6cc69fbc27f36c3258111536220..bde71c44b2d61d7264a4ba7ee83275d63d0c48f2 100644
--- a/frontend/src/types/index.ts
+++ b/frontend/src/types/index.ts
@@ -1261,6 +1261,30 @@ export interface UsageProgress {
window_stats?: WindowStats | null // 窗口期统计（从窗口开始到当前的使用量）
used_requests?: number
limit_requests?: number
+ overdraft_active?: boolean
+ overdraft_stats?: WindowStats | null
+ overdraft_started_at?: string | null
+ overdraft_recover_at?: string | null
+}
+
+export interface CodexQuotaOverdraftProbeState {
+ status: 'pending' | 'passed' | 'failed' | 'inconclusive' | 'recovered'
+ quota_window: '5h' | '7d' | 'multiple'
+ cycle_key: string
+ attempts: number
+ limit: number
+ model?: string
+ reason_code?: string
+ started_at: string
+ tested_at?: string | null
+ retry_at?: string | null
+ recover_at?: string | null
+ five_hour_recover_at?: string | null
+ seven_day_recover_at?: string | null
+ overdraft_started_at?: string | null
+ five_hour_overdraft_started_at?: string | null
+ seven_day_overdraft_started_at?: string | null
+ observed_rate_limit_reset_at?: string | null
}
// Antigravity 单个模型的配额信息
@@ -1317,6 +1341,7 @@ export interface AccountUsageInfo {
updated_at: string | null
five_hour: UsageProgress | null
seven_day: UsageProgress | null
+ codex_quota_overdraft?: CodexQuotaOverdraftProbeState | null
seven_day_sonnet: UsageProgress | null
seven_day_fable?: UsageProgress | null
thirty_day?: UsageProgress | null
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