diff --git a/core-version.txt b/core-version.txt
index 9a62cf1..ae9a76b 100644
--- a/core-version.txt
+++ b/core-version.txt
@@ -1 +1 @@
-7.3.17
+8.0.0
diff --git a/src-tauri/Cargo.lock b/src-tauri/Cargo.lock
index 89638c4..932cbf5 100644
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@@ -622,7 +622,7 @@ checksum = "7704b5fdd17b18ae31c4c1da5a2e0305a2bf17b5249300a9ee9ed7b72114c636"
 
 [[package]]
 name = "cpa-gui"
-version = "0.2.97"
+version = "0.3.6"
 dependencies = [
  "base64 0.22.1",
  "chrono",
diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index 236ba6b..d8e8b4e 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "cpa-gui"
 # Single source of truth for the desktop app version.
-version = "0.2.97"
+version = "0.3.6"
 description = "CPA desktop management shell"
 authors = ["lzt404"]
 edition = "2021"
diff --git a/src-tauri/src/core_config/alias_save.rs b/src-tauri/src/core_config/alias_save.rs
index 864f571..1799b80 100644
--- a/src-tauri/src/core_config/alias_save.rs
+++ b/src-tauri/src/core_config/alias_save.rs
@@ -5,6 +5,40 @@ fn alias_config_is_unchanged(current: &str, latest: &str) -> Result<bool, String
     Ok(changes.oauth_model_aliases.is_none() && !changes.update_config_yaml)
 }
 
+fn validate_alias_transaction_state(
+    current: &str,
+    updated: &str,
+    latest: &str,
+) -> Result<(), String> {
+    let parse = |content: &str| {
+        serde_norway::from_str::<serde_norway::Value>(content)
+            .map_err(|error| format!("Failed to parse kernel YAML configuration: {error}"))?
+            .as_mapping()
+            .cloned()
+            .ok_or_else(|| "Kernel configuration root must be a YAML mapping".to_string())
+    };
+    let mut current = parse(current)?;
+    let mut updated = parse(updated)?;
+    let mut latest = parse(latest)?;
+    for key in ["oauth-model-alias", "payload"]
+        .into_iter()
+        .chain(V8_PROVIDER_FAMILIES.iter().map(|(legacy, _)| *legacy))
+    {
+        let current_value = current.remove(yaml_key(key));
+        let updated_value = updated.remove(yaml_key(key));
+        let latest_value = latest.remove(yaml_key(key));
+        if latest_value != current_value && latest_value != updated_value {
+            return Err(
+                "Other configuration changes were detected and were not overwritten".to_string(),
+            );
+        }
+    }
+    if current != updated || latest != current {
+        return Err("Other configuration changes were detected and were not overwritten".to_string());
+    }
+    Ok(())
+}
+
 fn validate_alias_api_access_preserved(current: &str, updated: &str) -> Result<(), String> {
     let parse = |content: &str| {
         serde_norway::from_str::<serde_norway::Value>(content)
@@ -97,21 +131,15 @@ async fn restore_management_alias_config(
     updated: &str,
 ) -> Result<(), String> {
     let latest = fetch_management_config_yaml(config).await?;
+    validate_alias_transaction_state(current, updated, &latest)?;
     let from_current = management_alias_config_changes(current, &latest)?;
-    let from_updated = management_alias_config_changes(updated, &latest)?;
-    if (from_current.update_config_yaml && from_updated.update_config_yaml)
-        || (from_current.oauth_model_aliases.is_some()
-            && from_updated.oauth_model_aliases.is_some())
-    {
-        return Err("Other configuration changes were detected and were not overwritten".to_string());
-    }
     let mut errors = Vec::new();
     if from_current.update_config_yaml {
         if let Err(error) = put_management_config_yaml(config, current).await {
             errors.push(error);
         }
     }
-    if let Some(aliases) = management_alias_config_changes(updated, current)?.oauth_model_aliases {
+    if let Some(aliases) = management_alias_config_changes(&latest, current)?.oauth_model_aliases {
         if let Err(error) = put_management_oauth_model_aliases(config, &aliases).await {
             errors.push(error);
         }
diff --git a/src-tauri/src/core_config/aliases.rs b/src-tauri/src/core_config/aliases.rs
index b0c14d2..2d30949 100644
--- a/src-tauri/src/core_config/aliases.rs
+++ b/src-tauri/src/core_config/aliases.rs
@@ -146,7 +146,7 @@ pub(crate) async fn fetch_active_oauth_alias_channels(
 ) -> Result<std::collections::HashSet<String>, String> {
     let client = management_http_client()?;
     let response = client
-        .get(management_endpoint(config, "auth-files")?)
+        .get(management_endpoint(config, "credentials")?)
         .header("Authorization", management_authorization(config)?)
         .header(reqwest::header::ACCEPT, "application/json")
         .send()
@@ -237,23 +237,16 @@ pub(crate) async fn fetch_management_config_yaml(config: &GuiConfigFile) -> Resu
         .send()
         .await
         .map_err(|error| format_management_request_error("Failed to read kernel YAML configuration", &error))?;
-    read_management_text(response).await
+    let content = read_management_text(response).await?;
+    management_v8_yaml_to_legacy_view(&content)
 }
 
 pub(crate) async fn put_management_config_yaml(
     config: &GuiConfigFile,
     content: &str,
 ) -> Result<(), String> {
-    let client = management_http_client()?;
-    let response = client
-        .put(management_endpoint(config, "config.yaml")?)
-        .header("Authorization", management_authorization(config)?)
-        .header(reqwest::header::CONTENT_TYPE, "application/yaml")
-        .body(content.to_string())
-        .send()
-        .await
-        .map_err(|error| format_management_request_error("Failed to save kernel YAML configuration", &error))?;
-    read_management_value(response).await.map(|_| ())
+    let current = fetch_management_config_yaml(config).await?;
+    put_management_legacy_alias_view_changes(config, &current, content).await
 }
 
 pub(crate) async fn put_management_oauth_model_aliases(
@@ -262,7 +255,7 @@ pub(crate) async fn put_management_oauth_model_aliases(
 ) -> Result<(), String> {
     let client = management_http_client()?;
     let response = client
-        .put(management_endpoint(config, "oauth-model-alias")?)
+        .put(management_endpoint(config, "config/oauth/model-alias")?)
         .header("Authorization", management_authorization(config)?)
         .json(aliases)
         .send()
@@ -271,6 +264,302 @@ pub(crate) async fn put_management_oauth_model_aliases(
     read_management_value(response).await.map(|_| ())
 }
 
+pub(crate) const V8_PROVIDER_FAMILIES: [(&str, &str); 8] = [
+    ("gemini-api-key", "gemini"),
+    ("interactions-api-key", "interactions"),
+    ("vertex-api-key", "vertex"),
+    ("codex-api-key", "codex"),
+    ("claude-api-key", "claude"),
+    ("xai-api-key", "xai"),
+    ("meta-api-key", "meta"),
+    ("openai-compatibility", "openai-compatibility"),
+];
+
+fn is_v8_shared_provider_field(field: &str) -> bool {
+    matches!(
+        field,
+        "priority"
+            | "prefix"
+            | "proxy-url"
+            | "headers"
+            | "models"
+            | "excluded-models"
+            | "disable-cooling"
+            | "request-retry"
+            | "request-scoped-errors"
+            | "base-url"
+    )
+}
+
+pub(crate) fn flatten_v8_provider_groups(
+    provider: &str,
+    groups: &serde_norway::Value,
+) -> Result<serde_norway::Value, String> {
+    let groups = groups
+        .as_sequence()
+        .ok_or_else(|| format!("api-keys.{provider} must be an array"))?;
+    let mut records = Vec::new();
+    for (group_index, group) in groups.iter().enumerate() {
+        let group = group.as_mapping().ok_or_else(|| {
+            format!("api-keys.{provider}[{group_index}] must be an object")
+        })?;
+        let keys = yaml_mapping_value(group, "keys")
+            .and_then(serde_norway::Value::as_sequence)
+            .ok_or_else(|| {
+                format!("api-keys.{provider}[{group_index}].keys must be an array")
+            })?;
+        if provider == "openai-compatibility" {
+            let mut record = group.clone();
+            record.remove(yaml_key("keys"));
+            if !keys.is_empty() {
+                record.insert(
+                    yaml_key("api-key-entries"),
+                    serde_norway::Value::Sequence(keys.clone()),
+                );
+            }
+            records.push(serde_norway::Value::Mapping(record));
+            continue;
+        }
+        for (key_index, key) in keys.iter().enumerate() {
+            let key = key.as_mapping().ok_or_else(|| {
+                format!(
+                    "api-keys.{provider}[{group_index}].keys[{key_index}] must be an object"
+                )
+            })?;
+            let mut record = serde_norway::Mapping::new();
+            for (field, value) in group {
+                if field
+                    .as_str()
+                    .is_some_and(is_v8_shared_provider_field)
+                {
+                    record.insert(field.clone(), value.clone());
+                }
+            }
+            for (field, value) in key {
+                if !value.is_null() {
+                    record.insert(field.clone(), value.clone());
+                }
+            }
+            records.push(serde_norway::Value::Mapping(record));
+        }
+    }
+    Ok(serde_norway::Value::Sequence(records))
+}
+
+pub(crate) fn group_legacy_provider_records(
+    provider: &str,
+    records: &serde_norway::Value,
+) -> Result<serde_norway::Value, String> {
+    let records = records
+        .as_sequence()
+        .ok_or_else(|| format!("{provider} provider configuration must be an array"))?;
+    let mut groups = Vec::new();
+    for (index, record) in records.iter().enumerate() {
+        let record = record
+            .as_mapping()
+            .ok_or_else(|| format!("{provider} provider entry {index} must be an object"))?;
+        if provider == "openai-compatibility" {
+            let mut group = record.clone();
+            let keys = group
+                .remove(yaml_key("api-key-entries"))
+                .unwrap_or_else(|| serde_norway::Value::Sequence(Vec::new()));
+            group.insert(yaml_key("keys"), keys);
+            groups.push(serde_norway::Value::Mapping(group));
+            continue;
+        }
+        let mut group = serde_norway::Mapping::new();
+        group.insert(
+            yaml_key("name"),
+            serde_norway::Value::String(format!("{provider}-{}", index + 1)),
+        );
+        let mut key = serde_norway::Mapping::new();
+        for (field, value) in record {
+            if field
+                .as_str()
+                .is_some_and(is_v8_shared_provider_field)
+            {
+                group.insert(field.clone(), value.clone());
+            } else {
+                key.insert(field.clone(), value.clone());
+            }
+        }
+        group.insert(
+            yaml_key("keys"),
+            serde_norway::Value::Sequence(vec![serde_norway::Value::Mapping(key)]),
+        );
+        groups.push(serde_norway::Value::Mapping(group));
+    }
+    Ok(serde_norway::Value::Sequence(groups))
+}
+
+pub(crate) fn management_v8_yaml_to_legacy_view(content: &str) -> Result<String, String> {
+    let mut document = serde_norway::from_str::<serde_norway::Value>(content)
+        .map_err(|error| format!("Failed to parse kernel YAML configuration: {error}"))?;
+    let root = document
+        .as_mapping_mut()
+        .ok_or_else(|| "Kernel configuration root must be a YAML mapping".to_string())?;
+    if yaml_mapping_value(root, "config-version").and_then(serde_norway::Value::as_i64)
+        != Some(8)
+    {
+        return Ok(content.to_string());
+    }
+
+    let upstreams = yaml_mapping_value(root, "api-keys")
+        .and_then(serde_norway::Value::as_mapping)
+        .cloned()
+        .unwrap_or_default();
+    let client_keys = yaml_mapping_value(root, "access")
+        .and_then(serde_norway::Value::as_mapping)
+        .and_then(|access| yaml_mapping_value(access, "api-keys"))
+        .cloned();
+    let oauth_aliases = yaml_mapping_value(root, "oauth")
+        .and_then(serde_norway::Value::as_mapping)
+        .and_then(|oauth| yaml_mapping_value(oauth, "model-alias"))
+        .cloned();
+    let payload = yaml_mapping_value(root, "requests")
+        .and_then(serde_norway::Value::as_mapping)
+        .and_then(|requests| yaml_mapping_value(requests, "payload"))
+        .cloned();
+
+    if let Some(access) = yaml_mapping_value_mut(root, "access")
+        .and_then(serde_norway::Value::as_mapping_mut)
+    {
+        access.remove(yaml_key("api-keys"));
+    }
+    if let Some(oauth) = yaml_mapping_value_mut(root, "oauth")
+        .and_then(serde_norway::Value::as_mapping_mut)
+    {
+        oauth.remove(yaml_key("model-alias"));
+    }
+    if let Some(requests) = yaml_mapping_value_mut(root, "requests")
+        .and_then(serde_norway::Value::as_mapping_mut)
+    {
+        requests.remove(yaml_key("payload"));
+    }
+    root.remove(yaml_key("api-keys"));
+    // Targeted v8 writes create parents and deletes prune them. Their empty
+    // shells must not look like unrelated edits to the alias transaction.
+    for parent in ["access", "oauth", "requests"] {
+        if yaml_mapping_value(root, parent)
+            .and_then(serde_norway::Value::as_mapping)
+            .is_some_and(|mapping| mapping.is_empty())
+        {
+            root.remove(yaml_key(parent));
+        }
+    }
+    if let Some(client_keys) = client_keys {
+        root.insert(yaml_key("api-keys"), client_keys);
+    }
+    if let Some(oauth_aliases) = oauth_aliases {
+        root.insert(yaml_key("oauth-model-alias"), oauth_aliases);
+    }
+    if let Some(payload) = payload {
+        root.insert(yaml_key("payload"), payload);
+    }
+    for (legacy, provider) in V8_PROVIDER_FAMILIES {
+        let groups = yaml_mapping_value(&upstreams, provider)
+            .cloned()
+            .unwrap_or_else(|| serde_norway::Value::Sequence(Vec::new()));
+        root.insert(
+            yaml_key(legacy),
+            flatten_v8_provider_groups(provider, &groups)?,
+        );
+    }
+    serde_norway::to_string(&document)
+        .map_err(|error| format!("Failed to serialize kernel YAML configuration: {error}"))
+}
+
+async fn put_management_config_value(
+    config: &GuiConfigFile,
+    path: &str,
+    value: &serde_norway::Value,
+) -> Result<(), String> {
+    let value = serde_json::to_value(value)
+        .map_err(|error| format!("Failed to serialize kernel configuration value: {error}"))?;
+    let client = management_http_client()?;
+    let response = client
+        .put(management_endpoint(config, &format!("config/{path}"))?)
+        .header("Authorization", management_authorization(config)?)
+        .json(&value)
+        .send()
+        .await
+        .map_err(|error| {
+            format_management_request_error("Failed to save kernel configuration", &error)
+        })?;
+    read_management_value(response).await.map(|_| ())
+}
+
+async fn delete_management_config_value(
+    config: &GuiConfigFile,
+    path: &str,
+) -> Result<(), String> {
+    let client = management_http_client()?;
+    let response = client
+        .delete(management_endpoint(config, &format!("config/{path}"))?)
+        .header("Authorization", management_authorization(config)?)
+        .send()
+        .await
+        .map_err(|error| {
+            format_management_request_error("Failed to delete kernel configuration", &error)
+        })?;
+    read_management_value(response).await.map(|_| ())
+}
+
+async fn put_management_legacy_alias_view_changes(
+    config: &GuiConfigFile,
+    current: &str,
+    updated: &str,
+) -> Result<(), String> {
+    let parse = |content: &str| {
+        let document = serde_norway::from_str::<serde_norway::Value>(content)
+            .map_err(|error| format!("Failed to parse kernel YAML configuration: {error}"))?;
+        document
+            .as_mapping()
+            .cloned()
+            .ok_or_else(|| "Kernel configuration root must be a YAML mapping".to_string())
+    };
+    let mut current = parse(current)?;
+    let mut updated = parse(updated)?;
+
+    // OAuth aliases are written by put_management_oauth_model_aliases so their
+    // transaction and rollback remain independent from other alias routes.
+    current.remove(yaml_key("oauth-model-alias"));
+    updated.remove(yaml_key("oauth-model-alias"));
+    let current_payload = current.remove(yaml_key("payload"));
+    let updated_payload = updated.remove(yaml_key("payload"));
+    let mut provider_changes = Vec::new();
+    for (legacy, provider) in V8_PROVIDER_FAMILIES {
+        let before = current.remove(yaml_key(legacy));
+        let after = updated.remove(yaml_key(legacy));
+        if before != after {
+            provider_changes.push((provider, after));
+        }
+    }
+    if current != updated {
+        return Err(
+            "The alias update changed unsupported kernel configuration; write rejected"
+                .to_string(),
+        );
+    }
+
+    if current_payload != updated_payload {
+        if let Some(value) = updated_payload.as_ref() {
+            put_management_config_value(config, "requests/payload", value).await?;
+        } else {
+            delete_management_config_value(config, "requests/payload").await?;
+        }
+    }
+    for (provider, records) in provider_changes {
+        if let Some(records) = records.as_ref() {
+            let groups = group_legacy_provider_records(provider, records)?;
+            put_management_config_value(config, &format!("api-keys/{provider}"), &groups).await?;
+        } else {
+            delete_management_config_value(config, &format!("api-keys/{provider}")).await?;
+        }
+    }
+    Ok(())
+}
+
 #[derive(Debug, PartialEq)]
 pub(crate) struct ManagementAliasConfigChanges {
     pub(crate) oauth_model_aliases: Option<serde_json::Value>,
@@ -1126,7 +1415,7 @@ pub(crate) async fn fetch_oauth_channel_model_definitions(
     let response = client
         .get(management_endpoint(
             config,
-            &format!("model-definitions/{channel}"),
+            &format!("routing/model-definitions/{channel}"),
         )?)
         .header("Authorization", management_authorization(config)?)
         .header(reqwest::header::ACCEPT, "application/json")
diff --git a/src-tauri/src/core_config/settings.rs b/src-tauri/src/core_config/settings.rs
index 75f4a09..74e0a75 100644
--- a/src-tauri/src/core_config/settings.rs
+++ b/src-tauri/src/core_config/settings.rs
@@ -327,9 +327,10 @@ pub(crate) fn patch_core_network_routing_yaml(
     patch_core_yaml_document(content, |document| {
         let original = document.clone();
         apply_network_settings(document, config)?;
-        set_core_yaml_top_level_value(
+        set_core_yaml_schema_value(
             document,
-            "proxy-url",
+            &["proxy-url"],
+            &["requests", "proxy-url"],
             serde_norway::Value::String(config.proxy_url.clone()),
         )?;
         set_core_yaml_nested_value(
@@ -344,33 +345,37 @@ pub(crate) fn patch_core_network_routing_yaml(
             "session-affinity-ttl",
             serde_norway::Value::String(config.routing_session_affinity_ttl.clone()),
         )?;
-        set_core_yaml_top_level_value(
+        set_core_yaml_schema_value(
             document,
-            "disable-cooling",
+            &["disable-cooling"],
+            &["routing", "cooldown", "disable-cooling"],
             serde_norway::Value::Bool(config.disable_cooling),
         )?;
-        set_core_yaml_top_level_value(
+        set_core_yaml_schema_value(
             document,
-            "request-retry",
+            &["request-retry"],
+            &["routing", "retry", "request-retry"],
             serde_norway::to_value(config.request_retry)
                 .map_err(|err| format!("Failed to serialize request retry count: {err}"))?,
         )?;
-        set_core_yaml_top_level_value(
+        set_core_yaml_schema_value(
             document,
-            "max-retry-credentials",
+            &["max-retry-credentials"],
+            &["routing", "retry", "max-retry-credentials"],
             serde_norway::to_value(config.max_retry_credentials)
                 .map_err(|err| format!("Failed to serialize maximum retry credentials: {err}"))?,
         )?;
-        set_core_yaml_top_level_value(
+        set_core_yaml_schema_value(
             document,
-            "max-retry-interval",
+            &["max-retry-interval"],
+            &["routing", "retry", "max-retry-interval"],
             serde_norway::to_value(config.max_retry_interval)
                 .map_err(|err| format!("Failed to serialize maximum retry interval: {err}"))?,
         )?;
-        set_core_yaml_nested_value(
+        set_core_yaml_schema_value(
             document,
-            "streaming",
-            "bootstrap-retries",
+            &["streaming", "bootstrap-retries"],
+            &["requests", "streaming", "bootstrap-retries"],
             serde_norway::to_value(config.streaming_bootstrap_retries)
                 .map_err(|err| format!("Failed to serialize streaming bootstrap retry count: {err}"))?,
         )?;
@@ -385,9 +390,10 @@ pub(crate) fn patch_core_network_endpoint_yaml(
     patch_core_yaml_document(content, |document| {
         let original = document.clone();
         apply_network_settings(document, config)?;
-        set_core_yaml_top_level_value(
+        set_core_yaml_schema_value(
             document,
-            "proxy-url",
+            &["proxy-url"],
+            &["requests", "proxy-url"],
             serde_norway::Value::String(config.proxy_url.clone()),
         )?;
         Ok(*document != original)
@@ -400,30 +406,34 @@ pub(crate) fn patch_core_retry_yaml(
 ) -> Result<Option<String>, String> {
     patch_core_yaml_document(content, |document| {
         let original = document.clone();
-        set_core_yaml_top_level_value(
+        set_core_yaml_schema_value(
             document,
-            "disable-cooling",
+            &["disable-cooling"],
+            &["routing", "cooldown", "disable-cooling"],
             serde_norway::Value::Bool(config.disable_cooling),
         )?;
-        set_core_yaml_top_level_value(
+        set_core_yaml_schema_value(
             document,
-            "request-retry",
+            &["request-retry"],
+            &["routing", "retry", "request-retry"],
             serde_norway::to_value(config.request_retry).map_err(|err| err.to_string())?,
         )?;
-        set_core_yaml_top_level_value(
+        set_core_yaml_schema_value(
             document,
-            "max-retry-credentials",
+            &["max-retry-credentials"],
+            &["routing", "retry", "max-retry-credentials"],
             serde_norway::to_value(config.max_retry_credentials).map_err(|err| err.to_string())?,
         )?;
-        set_core_yaml_top_level_value(
+        set_core_yaml_schema_value(
             document,
-            "max-retry-interval",
+            &["max-retry-interval"],
+            &["routing", "retry", "max-retry-interval"],
             serde_norway::to_value(config.max_retry_interval).map_err(|err| err.to_string())?,
         )?;
-        set_core_yaml_nested_value(
+        set_core_yaml_schema_value(
             document,
-            "streaming",
-            "bootstrap-retries",
+            &["streaming", "bootstrap-retries"],
+            &["requests", "streaming", "bootstrap-retries"],
             serde_norway::to_value(config.streaming_bootstrap_retries)
                 .map_err(|err| err.to_string())?,
         )?;
@@ -475,19 +485,19 @@ pub(crate) fn apply_network_settings(
     document: &mut serde_norway::Value,
     config: &GuiConfigFile,
 ) -> Result<(), String> {
-    let mapping = document
-        .as_mapping_mut()
-        .ok_or_else(|| "Kernel configuration root must be a YAML mapping".to_string())?;
-
     let host = config.host.trim();
-    mapping.insert(
-        serde_norway::Value::String("host".to_string()),
+    set_core_yaml_schema_value(
+        document,
+        &["host"],
+        &["server", "host"],
         serde_norway::Value::String(host.to_string()),
-    );
-    mapping.insert(
-        serde_norway::Value::String("port".to_string()),
+    )?;
+    set_core_yaml_schema_value(
+        document,
+        &["port"],
+        &["server", "port"],
         serde_norway::to_value(config.port).map_err(|err| format!("Failed to serialize kernel port: {err}"))?,
-    );
+    )?;
     Ok(())
 }
 
@@ -498,69 +508,80 @@ pub(crate) fn apply_gui_managed_settings(
     let host = config.host.trim();
     let updated = patch_core_yaml_document(content, |document| {
         let mut changed = false;
-        changed |= set_core_yaml_top_level_value(
+        changed |= set_core_yaml_schema_value(
             document,
-            "host",
+            &["host"],
+            &["server", "host"],
             serde_norway::Value::String(host.to_string()),
         )?;
-        changed |= set_core_yaml_top_level_value(
+        changed |= set_core_yaml_schema_value(
             document,
-            "port",
+            &["port"],
+            &["server", "port"],
             serde_norway::to_value(config.port)
                 .map_err(|err| format!("Failed to serialize kernel port: {err}"))?,
         )?;
-        changed |= set_core_yaml_top_level_value(
+        changed |= set_core_yaml_schema_value(
             document,
-            "auth-dir",
+            &["auth-dir"],
+            &["oauth", "auth-dir"],
             serde_norway::Value::String(config.auth_dir.clone()),
         )?;
-        changed |= set_core_yaml_top_level_value(
+        changed |= set_core_yaml_schema_value(
             document,
-            "debug",
+            &["debug"],
+            &["observability", "logs", "debug"],
             serde_norway::Value::Bool(config.debug),
         )?;
-        changed |= set_core_yaml_top_level_value(
+        changed |= set_core_yaml_schema_value(
             document,
-            "commercial-mode",
+            &["commercial-mode"],
+            &["server", "commercial-mode"],
             serde_norway::Value::Bool(config.commercial_mode),
         )?;
-        changed |= set_core_yaml_top_level_value(
+        changed |= set_core_yaml_schema_value(
             document,
-            "logging-to-file",
+            &["logging-to-file"],
+            &["observability", "logs", "logging-to-file"],
             serde_norway::Value::Bool(config.logging_to_file),
         )?;
-        changed |= set_core_yaml_top_level_value(
+        changed |= set_core_yaml_schema_value(
             document,
-            "logs-max-total-size-mb",
+            &["logs-max-total-size-mb"],
+            &["observability", "logs", "logs-max-total-size-mb"],
             serde_norway::to_value(config.logs_max_total_size_mb)
                 .map_err(|err| format!("Failed to serialize log size limit: {err}"))?,
         )?;
-        changed |= set_core_yaml_top_level_value(
+        changed |= set_core_yaml_schema_value(
             document,
-            "error-logs-max-files",
+            &["error-logs-max-files"],
+            &["observability", "logs", "error-logs-max-files"],
             serde_norway::to_value(config.error_logs_max_files)
                 .map_err(|err| format!("Failed to serialize error log retention count: {err}"))?,
         )?;
-        changed |= set_core_yaml_top_level_value(
+        changed |= set_core_yaml_schema_value(
             document,
-            "usage-statistics-enabled",
+            &["usage-statistics-enabled"],
+            &["observability", "usage", "usage-statistics-enabled"],
             serde_norway::Value::Bool(config.usage_statistics_enabled),
         )?;
-        changed |= set_core_yaml_top_level_value(
+        changed |= set_core_yaml_schema_value(
             document,
-            "redis-usage-queue-retention-seconds",
+            &["redis-usage-queue-retention-seconds"],
+            &["observability", "usage", "redis-usage-queue-retention-seconds"],
             serde_norway::to_value(config.redis_usage_queue_retention_seconds)
                 .map_err(|err| format!("Failed to serialize Redis usage queue retention: {err}"))?,
         )?;
-        changed |= set_core_yaml_top_level_value(
+        changed |= set_core_yaml_schema_value(
             document,
-            "request-log",
+            &["request-log"],
+            &["observability", "logs", "request-log"],
             serde_norway::Value::Bool(config.request_log),
         )?;
-        changed |= set_core_yaml_nested_value(
+        changed |= set_core_yaml_schema_value(
             document,
-            "remote-management",
-            "secret-key",
+            &["remote-management", "secret-key"],
+            &["management", "secret-key"],
             serde_norway::Value::String(config.management_secret_key.clone()),
         )?;
         changed |= set_core_yaml_nested_value(
@@ -575,9 +596,10 @@ pub(crate) fn apply_gui_managed_settings(
             "strategy",
             serde_norway::Value::String(config.routing_strategy.clone()),
         )?;
-        changed |= set_core_yaml_top_level_value(
+        changed |= set_core_yaml_schema_value(
             document,
-            "proxy-url",
+            &["proxy-url"],
+            &["requests", "proxy-url"],
             serde_norway::Value::String(config.proxy_url.clone()),
         )?;
         changed |= set_core_yaml_nested_value(
@@ -592,33 +614,37 @@ pub(crate) fn apply_gui_managed_settings(
             "session-affinity-ttl",
             serde_norway::Value::String(config.routing_session_affinity_ttl.clone()),
         )?;
-        changed |= set_core_yaml_top_level_value(
+        changed |= set_core_yaml_schema_value(
             document,
-            "disable-cooling",
+            &["disable-cooling"],
+            &["routing", "cooldown", "disable-cooling"],
             serde_norway::Value::Bool(config.disable_cooling),
         )?;
-        changed |= set_core_yaml_top_level_value(
+        changed |= set_core_yaml_schema_value(
             document,
-            "request-retry",
+            &["request-retry"],
+            &["routing", "retry", "request-retry"],
             serde_norway::to_value(config.request_retry)
                 .map_err(|err| format!("Failed to serialize request retry count: {err}"))?,
         )?;
-        changed |= set_core_yaml_top_level_value(
+        changed |= set_core_yaml_schema_value(
             document,
-            "max-retry-credentials",
+            &["max-retry-credentials"],
+            &["routing", "retry", "max-retry-credentials"],
             serde_norway::to_value(config.max_retry_credentials)
                 .map_err(|err| format!("Failed to serialize maximum retry credentials: {err}"))?,
         )?;
-        changed |= set_core_yaml_top_level_value(
+        changed |= set_core_yaml_schema_value(
             document,
-            "max-retry-interval",
+            &["max-retry-interval"],
+            &["routing", "retry", "max-retry-interval"],
             serde_norway::to_value(config.max_retry_interval)
                 .map_err(|err| format!("Failed to serialize maximum retry interval: {err}"))?,
         )?;
-        changed |= set_core_yaml_nested_value(
+        changed |= set_core_yaml_schema_value(
             document,
-            "streaming",
-            "bootstrap-retries",
+            &["streaming", "bootstrap-retries"],
+            &["requests", "streaming", "bootstrap-retries"],
             serde_norway::to_value(config.streaming_bootstrap_retries)
                 .map_err(|err| format!("Failed to serialize streaming bootstrap retry count: {err}"))?,
         )?;
diff --git a/src-tauri/src/core_config/yaml.rs b/src-tauri/src/core_config/yaml.rs
index eac4739..2e14a99 100644
--- a/src-tauri/src/core_config/yaml.rs
+++ b/src-tauri/src/core_config/yaml.rs
@@ -150,7 +150,9 @@ pub(crate) fn core_tls_settings_from_value(
     let root = document
         .as_mapping()
         .ok_or_else(|| "Core configuration must be a YAML mapping".to_string())?;
-    let tls = yaml_mapping_value(root, "tls").and_then(serde_norway::Value::as_mapping);
+    let tls = nested_yaml_value(root, &["server", "tls"])
+        .or_else(|| yaml_mapping_value(root, "tls"))
+        .and_then(serde_norway::Value::as_mapping);
     let enabled = tls
         .and_then(|mapping| yaml_mapping_value(mapping, "enable"))
         .map(|value| {
@@ -183,23 +185,21 @@ pub(crate) fn patch_core_tls_settings_yaml(
     settings: &CoreTlsSettings,
 ) -> Result<Option<String>, String> {
     patch_core_yaml_document(content, |document| {
+        let v8 = core_config_uses_v8(document);
         let mut changed = false;
-        changed |= set_core_yaml_nested_value(
+        changed |= set_core_yaml_path_value(
             document,
-            "tls",
-            "enable",
+            if v8 { &["server", "tls", "enable"] } else { &["tls", "enable"] },
             serde_norway::Value::Bool(settings.enabled),
         )?;
-        changed |= set_core_yaml_nested_value(
+        changed |= set_core_yaml_path_value(
             document,
-            "tls",
-            "cert",
+            if v8 { &["server", "tls", "cert"] } else { &["tls", "cert"] },
             serde_norway::Value::String(settings.cert.clone()),
         )?;
-        changed |= set_core_yaml_nested_value(
+        changed |= set_core_yaml_path_value(
             document,
-            "tls",
-            "key",
+            if v8 { &["server", "tls", "key"] } else { &["tls", "key"] },
             serde_norway::Value::String(settings.key.clone()),
         )?;
         Ok(changed)
@@ -247,7 +247,8 @@ pub(crate) fn core_sensitive_words_settings_from_value(
         .as_mapping()
         .ok_or_else(|| "Kernel configuration root must be a YAML mapping".to_string())?;
     let read_words = |provider: &str| -> Result<Vec<String>, String> {
-        let Some(section) = yaml_mapping_value(root, provider) else {
+        let Some(section) = nested_yaml_value(root, &["oauth", "providers", provider])
+            .or_else(|| yaml_mapping_value(root, provider)) else {
             return Ok(Vec::new());
         };
         if section.is_null() {
@@ -333,6 +334,7 @@ pub(crate) fn patch_core_sensitive_words_yaml(
         prepared = replace_top_level_yaml_block(&prepared, provider, &block);
     }
     let updated = patch_core_yaml_document(&prepared, |document| {
+        let v8 = core_config_uses_v8(document);
         let mut changed = false;
         for (provider, words) in [
             ("antigravity", &settings.antigravity_sensitive_words),
@@ -341,7 +343,11 @@ pub(crate) fn patch_core_sensitive_words_yaml(
             let root = document
                 .as_mapping()
                 .ok_or_else(|| "Kernel configuration root must be a YAML mapping".to_string())?;
-            let section = yaml_mapping_value(root, provider);
+            let section = if v8 {
+                nested_yaml_value(root, &["oauth", "providers", provider])
+            } else {
+                yaml_mapping_value(root, provider)
+            };
             let current_words = section
                 .and_then(serde_norway::Value::as_mapping)
                 .and_then(|mapping| yaml_mapping_value(mapping, "sensitive-words"));
@@ -349,16 +355,25 @@ pub(crate) fn patch_core_sensitive_words_yaml(
                 continue;
             }
             if section.is_none_or(serde_norway::Value::is_null) {
-                changed |= set_core_yaml_top_level_value(
+                let section_path = if v8 {
+                    vec!["oauth", "providers", provider]
+                } else {
+                    vec![provider]
+                };
+                changed |= set_core_yaml_path_value(
                     document,
-                    provider,
+                    &section_path,
                     serde_norway::Value::Mapping(serde_norway::Mapping::new()),
                 )?;
             }
-            changed |= set_core_yaml_nested_value(
+            let sensitive_words_path = if v8 {
+                vec!["oauth", "providers", provider, "sensitive-words"]
+            } else {
+                vec![provider, "sensitive-words"]
+            };
+            changed |= set_core_yaml_path_value(
                 document,
-                provider,
-                "sensitive-words",
+                &sensitive_words_path,
                 serde_norway::Value::Sequence(
                     words
                         .iter()
@@ -407,10 +422,10 @@ pub(crate) fn patch_core_api_keys(api_keys: &[String]) -> Result<(), String> {
 pub(crate) fn patch_core_management_secret_key(secret_key: &str) -> Result<(), String> {
     let secret_key = secret_key.to_string();
     patch_existing_core_config(move |document| {
-        set_core_yaml_nested_value(
+        let v8 = core_config_uses_v8(document);
+        set_core_yaml_path_value(
             document,
-            "remote-management",
-            "secret-key",
+            if v8 { &["management", "secret-key"] } else { &["remote-management", "secret-key"] },
             serde_norway::Value::String(secret_key),
         )
     })
@@ -420,7 +435,12 @@ pub(crate) fn patch_core_management_secret_key(secret_key: &str) -> Result<(), S
 pub(crate) fn patch_core_auth_dir(auth_dir: &str) -> Result<(), String> {
     let auth_dir = auth_dir.to_string();
     patch_existing_core_config(move |document| {
-        set_core_yaml_top_level_value(document, "auth-dir", serde_norway::Value::String(auth_dir))
+        let v8 = core_config_uses_v8(document);
+        set_core_yaml_path_value(
+            document,
+            if v8 { &["oauth", "auth-dir"] } else { &["auth-dir"] },
+            serde_norway::Value::String(auth_dir),
+        )
     })
 }
 
@@ -437,13 +457,19 @@ pub(crate) fn patch_core_plugins_enabled(enabled: bool) -> Result<(), String> {
 
 pub(crate) fn patch_core_request_log(enabled: bool) -> Result<(), String> {
     patch_existing_core_config(|document| {
-        set_core_yaml_top_level_value(document, "request-log", serde_norway::Value::Bool(enabled))
+        let v8 = core_config_uses_v8(document);
+        set_core_yaml_path_value(
+            document,
+            if v8 { &["observability", "logs", "request-log"] } else { &["request-log"] },
+            serde_norway::Value::Bool(enabled),
+        )
     })
 }
 
 pub(crate) fn patch_core_logging_settings(settings: &CoreConfigSettings) -> Result<(), String> {
     let settings = settings.clone();
     patch_existing_core_config(move |document| {
+        let v8 = core_config_uses_v8(document);
         let mut changed = false;
         for (key, value) in [
             ("debug", serde_norway::Value::Bool(settings.debug)),
@@ -475,7 +501,16 @@ pub(crate) fn patch_core_logging_settings(settings: &CoreConfigSettings) -> Resu
                     .map_err(|err| format!("Failed to serialize Redis usage queue retention: {err}"))?,
             ),
         ] {
-            changed |= set_core_yaml_top_level_value(document, key, value)?;
+            let path: &[&str] = if v8 {
+                match key {
+                    "commercial-mode" => &["server", "commercial-mode"],
+                    "usage-statistics-enabled" | "redis-usage-queue-retention-seconds" => &["observability", "usage", key],
+                    _ => &["observability", "logs", key],
+                }
+            } else {
+                &[key]
+            };
+            changed |= set_core_yaml_path_value(document, path, value)?;
         }
         Ok(changed)
     })
@@ -496,9 +531,10 @@ pub(crate) fn patch_core_routing_strategy(strategy: &str) -> Result<(), String>
 pub(crate) fn patch_core_proxy_url(proxy_url: &str) -> Result<(), String> {
     let proxy_url = proxy_url.to_string();
     patch_existing_core_config(move |document| {
-        set_core_yaml_top_level_value(
+        let v8 = core_config_uses_v8(document);
+        set_core_yaml_path_value(
             document,
-            "proxy-url",
+            if v8 { &["requests", "proxy-url"] } else { &["proxy-url"] },
             serde_norway::Value::String(proxy_url),
         )
     })
@@ -1136,6 +1172,50 @@ pub(crate) fn set_core_yaml_nested_value(
     Ok(true)
 }
 
+pub(crate) fn core_config_uses_v8(document: &serde_norway::Value) -> bool {
+    document
+        .as_mapping()
+        .and_then(|root| yaml_mapping_value(root, "config-version"))
+        .and_then(serde_norway::Value::as_u64)
+        .is_some_and(|version| version >= 8)
+}
+
+pub(crate) fn set_core_yaml_path_value(
+    document: &mut serde_norway::Value,
+    path: &[&str],
+    value: serde_norway::Value,
+) -> Result<bool, String> {
+    let Some((key, parents)) = path.split_last() else {
+        return Err("Kernel configuration path cannot be empty".to_string());
+    };
+    let mut mapping = document
+        .as_mapping_mut()
+        .ok_or_else(|| "Kernel configuration root must be a YAML mapping".to_string())?;
+    for section in parents {
+        mapping = mapping
+            .entry(yaml_key(section))
+            .or_insert_with(|| serde_norway::Value::Mapping(serde_norway::Mapping::new()))
+            .as_mapping_mut()
+            .ok_or_else(|| format!("Kernel configuration section {section} must be a YAML mapping"))?;
+    }
+    let key = yaml_key(key);
+    if mapping.get(&key) == Some(&value) {
+        return Ok(false);
+    }
+    mapping.insert(key, value);
+    Ok(true)
+}
+
+pub(crate) fn set_core_yaml_schema_value(
+    document: &mut serde_norway::Value,
+    legacy_path: &[&str],
+    v8_path: &[&str],
+    value: serde_norway::Value,
+) -> Result<bool, String> {
+    let path = if core_config_uses_v8(document) { v8_path } else { legacy_path };
+    set_core_yaml_path_value(document, path, value)
+}
+
 pub(crate) fn patch_core_api_keys_yaml(
     content: &str,
     api_keys: &[String],
@@ -1145,6 +1225,18 @@ pub(crate) fn patch_core_api_keys_yaml(
     let root = parsed
         .as_mapping()
         .ok_or_else(|| "Kernel configuration root must be a YAML mapping".to_string())?;
+    if core_config_uses_v8(&parsed) {
+        return patch_core_yaml_document(content, |document| {
+            set_core_yaml_path_value(
+                document,
+                &["access", "api-keys"],
+                serde_norway::Value::Sequence(
+                    api_keys.iter().cloned().map(serde_norway::Value::String).collect(),
+                ),
+            )
+        })
+        .map(|updated| updated.unwrap_or_else(|| content.to_string()));
+    }
     let has_legacy_api_keys = nested_yaml_value(
         root,
         &["auth", "providers", "config-api-key", "api-key-entries"],
@@ -1322,7 +1414,10 @@ pub(crate) fn core_config_settings_from_value(
     let root = document
         .as_mapping()
         .ok_or_else(|| "Kernel configuration root must be a YAML mapping".to_string())?;
-    let host = yaml_mapping_value(root, "host")
+    let v8_or_legacy = |v8: &[&str], legacy: &[&str]| {
+        nested_yaml_value(root, v8).or_else(|| nested_yaml_value(root, legacy))
+    };
+    let host = v8_or_legacy(&["server", "host"], &["host"])
         .map(|value| {
             value
                 .as_str()
@@ -1331,7 +1426,7 @@ pub(crate) fn core_config_settings_from_value(
         })
         .transpose()?
         .unwrap_or_else(|| "127.0.0.1".to_string());
-    let port = yaml_mapping_value(root, "port")
+    let port = v8_or_legacy(&["server", "port"], &["port"])
         .map(|value| {
             value
                 .as_u64()
@@ -1341,7 +1436,7 @@ pub(crate) fn core_config_settings_from_value(
         })
         .transpose()?
         .unwrap_or(8317);
-    let auth_dir = yaml_mapping_value(root, "auth-dir")
+    let auth_dir = v8_or_legacy(&["oauth", "auth-dir"], &["auth-dir"])
         .map(|value| {
             value
                 .as_str()
@@ -1350,7 +1445,7 @@ pub(crate) fn core_config_settings_from_value(
         })
         .transpose()?
         .unwrap_or_else(|| OAUTH_DIR_NAME.to_string());
-    let debug = yaml_mapping_value(root, "debug")
+    let debug = v8_or_legacy(&["observability", "logs", "debug"], &["debug"])
         .map(|value| {
             value
                 .as_bool()
@@ -1358,7 +1453,7 @@ pub(crate) fn core_config_settings_from_value(
         })
         .transpose()?
         .unwrap_or(false);
-    let commercial_mode = yaml_mapping_value(root, "commercial-mode")
+    let commercial_mode = v8_or_legacy(&["server", "commercial-mode"], &["commercial-mode"])
         .map(|value| {
             value
                 .as_bool()
@@ -1366,7 +1461,7 @@ pub(crate) fn core_config_settings_from_value(
         })
         .transpose()?
         .unwrap_or(false);
-    let logging_to_file = yaml_mapping_value(root, "logging-to-file")
+    let logging_to_file = v8_or_legacy(&["observability", "logs", "logging-to-file"], &["logging-to-file"])
         .map(|value| {
             value
                 .as_bool()
@@ -1374,7 +1469,7 @@ pub(crate) fn core_config_settings_from_value(
         })
         .transpose()?
         .unwrap_or(false);
-    let logs_max_total_size_mb = yaml_mapping_value(root, "logs-max-total-size-mb")
+    let logs_max_total_size_mb = v8_or_legacy(&["observability", "logs", "logs-max-total-size-mb"], &["logs-max-total-size-mb"])
         .map(|value| {
             value
                 .as_u64()
@@ -1383,7 +1478,7 @@ pub(crate) fn core_config_settings_from_value(
         })
         .transpose()?
         .unwrap_or(DEFAULT_LOGS_MAX_TOTAL_SIZE_MB);
-    let error_logs_max_files = yaml_mapping_value(root, "error-logs-max-files")
+    let error_logs_max_files = v8_or_legacy(&["observability", "logs", "error-logs-max-files"], &["error-logs-max-files"])
         .map(|value| {
             value
                 .as_u64()
@@ -1392,7 +1487,7 @@ pub(crate) fn core_config_settings_from_value(
         })
         .transpose()?
         .unwrap_or(DEFAULT_ERROR_LOGS_MAX_FILES);
-    let usage_statistics_enabled = yaml_mapping_value(root, "usage-statistics-enabled")
+    let usage_statistics_enabled = v8_or_legacy(&["observability", "usage", "usage-statistics-enabled"], &["usage-statistics-enabled"])
         .map(|value| {
             value
                 .as_bool()
@@ -1401,7 +1496,7 @@ pub(crate) fn core_config_settings_from_value(
         .transpose()?
         .unwrap_or(true);
     let redis_usage_queue_retention_seconds =
-        yaml_mapping_value(root, "redis-usage-queue-retention-seconds")
+        v8_or_legacy(&["observability", "usage", "redis-usage-queue-retention-seconds"], &["redis-usage-queue-retention-seconds"])
             .map(|value| {
                 value
                     .as_u64()
@@ -1415,7 +1510,7 @@ pub(crate) fn core_config_settings_from_value(
     } else {
         redis_usage_queue_retention_seconds.min(3600)
     };
-    let request_log = yaml_mapping_value(root, "request-log")
+    let request_log = v8_or_legacy(&["observability", "logs", "request-log"], &["request-log"])
         .map(|value| {
             value
                 .as_bool()
@@ -1445,7 +1540,7 @@ pub(crate) fn core_config_settings_from_value(
         })
         .transpose()?
         .unwrap_or_else(|| "round-robin".to_string());
-    let proxy_url = yaml_mapping_value(root, "proxy-url")
+    let proxy_url = v8_or_legacy(&["requests", "proxy-url"], &["proxy-url"])
         .map(|value| {
             value
                 .as_str()
@@ -1474,7 +1569,7 @@ pub(crate) fn core_config_settings_from_value(
             })
             .transpose()?
             .unwrap_or_default();
-    let disable_cooling = yaml_mapping_value(root, "disable-cooling")
+    let disable_cooling = v8_or_legacy(&["routing", "cooldown", "disable-cooling"], &["disable-cooling"])
         .map(|value| {
             value
                 .as_bool()
@@ -1482,7 +1577,7 @@ pub(crate) fn core_config_settings_from_value(
         })
         .transpose()?
         .unwrap_or(DEFAULT_DISABLE_COOLING);
-    let request_retry = yaml_mapping_value(root, "request-retry")
+    let request_retry = v8_or_legacy(&["routing", "retry", "request-retry"], &["request-retry"])
         .map(|value| {
             value
                 .as_u64()
@@ -1491,7 +1586,7 @@ pub(crate) fn core_config_settings_from_value(
         })
         .transpose()?
         .unwrap_or(DEFAULT_REQUEST_RETRY);
-    let max_retry_credentials = yaml_mapping_value(root, "max-retry-credentials")
+    let max_retry_credentials = v8_or_legacy(&["routing", "retry", "max-retry-credentials"], &["max-retry-credentials"])
         .map(|value| {
             value
                 .as_u64()
@@ -1500,7 +1595,7 @@ pub(crate) fn core_config_settings_from_value(
         })
         .transpose()?
         .unwrap_or(DEFAULT_MAX_RETRY_CREDENTIALS);
-    let max_retry_interval = yaml_mapping_value(root, "max-retry-interval")
+    let max_retry_interval = v8_or_legacy(&["routing", "retry", "max-retry-interval"], &["max-retry-interval"])
         .map(|value| {
             value
                 .as_u64()
@@ -1509,7 +1604,7 @@ pub(crate) fn core_config_settings_from_value(
         })
         .transpose()?
         .unwrap_or(DEFAULT_MAX_RETRY_INTERVAL);
-    let streaming_bootstrap_retries = nested_yaml_value(root, &["streaming", "bootstrap-retries"])
+    let streaming_bootstrap_retries = v8_or_legacy(&["requests", "streaming", "bootstrap-retries"], &["streaming", "bootstrap-retries"])
         .map(|value| {
             value
                 .as_u64()
@@ -1550,7 +1645,13 @@ pub(crate) fn core_config_settings_from_value(
 }
 
 pub(crate) fn extract_core_api_keys(root: &serde_norway::Mapping) -> Result<Vec<String>, String> {
+    if let Some(value) = nested_yaml_value(root, &["access", "api-keys"]) {
+        return extract_api_key_sequence(value, "access.api-keys");
+    }
     if let Some(value) = yaml_mapping_value(root, "api-keys") {
+        if value.is_mapping() {
+            return Ok(Vec::new());
+        }
         return extract_api_key_sequence(value, "api-keys");
     }
 
@@ -1609,7 +1710,8 @@ pub(crate) fn extract_api_key_value(value: &serde_norway::Value) -> Option<Resul
 pub(crate) fn extract_core_management_secret_key(
     root: &serde_norway::Mapping,
 ) -> Result<Option<String>, String> {
-    let Some(value) = nested_yaml_value(root, &["remote-management", "secret-key"]) else {
+    let Some(value) = nested_yaml_value(root, &["management", "secret-key"])
+        .or_else(|| nested_yaml_value(root, &["remote-management", "secret-key"])) else {
         return Ok(None);
     };
     let value = value
diff --git a/src-tauri/src/core_runtime.rs b/src-tauri/src/core_runtime.rs
index 91d4f1f..33437d9 100644
--- a/src-tauri/src/core_runtime.rs
+++ b/src-tauri/src/core_runtime.rs
@@ -1951,7 +1951,21 @@ pub(crate) fn migrate_core_config_for_update(
             path_to_string(&template_path)
         )
     })?;
-    let migrated = merge_core_config_fields(&template, Some(&old_config))?;
+    let old_document = serde_norway::from_str::<serde_norway::Value>(&old_config)
+        .map_err(|error| format!("Failed to parse existing kernel configuration; update canceled to prevent configuration loss: {error}"))?;
+    if !old_document.is_mapping() {
+        return Err("Existing kernel configuration root must be a YAML mapping; update canceled".to_string());
+    }
+    let template_document = serde_norway::from_str::<serde_norway::Value>(&template)
+        .map_err(|error| format!("Failed to parse new kernel configuration template: {error}"))?;
+    let migrated = if core_config_uses_v8(&template_document) && !core_config_uses_v8(&old_document) {
+        // v8 accepts legacy-only files and migrates them atomically on the first
+        // successful v8 Management API write. Mixing both layouts here would let
+        // v8 template defaults override the user's legacy values.
+        old_config
+    } else {
+        merge_core_config_fields(&template, Some(&old_config))?
+    };
     let config_path = target_dir.join(CORE_CONFIG_FILE);
     fs::write(&config_path, migrated).map_err(|error| {
         format!(
diff --git a/src-tauri/src/management_api.rs b/src-tauri/src/management_api.rs
index af47b42..0195f6d 100644
--- a/src-tauri/src/management_api.rs
+++ b/src-tauri/src/management_api.rs
@@ -116,7 +116,7 @@ pub(crate) async fn upload_auth_file(
     let mut query = HashMap::new();
     query.insert("name".to_string(), name);
     let response = client
-        .post(management_endpoint(&config, "auth-files")?)
+        .post(management_endpoint(&config, "credentials")?)
         .header("Authorization", management_authorization(&config)?)
         .query(&query)
         .header("Content-Type", "application/json")
@@ -184,11 +184,9 @@ pub(crate) async fn start_oauth_login(
     let provider_key = normalize_management_oauth_provider(&provider)?;
     let client = management_http_client()?;
     let mut request = client
-        .get(management_endpoint(
-            &config,
-            &format!("{provider_key}-auth-url"),
-        )?)
+        .get(management_endpoint(&config, "oauth/auth-url")?)
         .header("Authorization", management_authorization(&config)?);
+    request = request.query(&[("provider", provider_key.as_str())]);
     if management_oauth_uses_webui_callback(&provider_key) {
         request = request.query(&[("is_webui", "true")]);
     }
@@ -239,7 +237,7 @@ pub(crate) async fn get_oauth_status(
     let config = gui_config_state.snapshot()?;
     let client = management_http_client()?;
     let response = client
-        .get(management_endpoint(&config, "get-auth-status")?)
+        .get(management_endpoint(&config, "oauth/status")?)
         .header("Authorization", management_authorization(&config)?)
         .query(&[("state", state)])
         .send()
@@ -279,7 +277,7 @@ pub(crate) async fn submit_oauth_callback(
         "redirect_url": redirect_url,
     });
     let response = client
-        .post(management_endpoint(&config, "oauth-callback")?)
+        .post(management_endpoint(&config, "oauth/callback")?)
         .header("Authorization", management_authorization(&config)?)
         .json(&body)
         .send()
@@ -354,13 +352,13 @@ pub(crate) fn management_endpoint(config: &GuiConfigFile, path: &str) -> Result<
         config.port,
         current_core_tls_settings()?.enabled,
     );
-    Ok(format!("{origin}/v0/management/{path}"))
+    Ok(format!("{origin}/v8/management/{path}"))
 }
 
 fn normalize_management_oauth_provider(provider: &str) -> Result<String, String> {
     let key = provider.trim().to_ascii_lowercase().replace('_', "-");
     let key = match key.as_str() {
-        "claude" | "anthropic" => "anthropic".to_string(),
+        "claude" | "anthropic" => "claude".to_string(),
         "anti-gravity" => "antigravity".to_string(),
         "cognition" => "devin".to_string(),
         "grok" | "x-ai" | "x.ai" => "xai".to_string(),
@@ -377,7 +375,7 @@ fn normalize_management_oauth_provider(provider: &str) -> Result<String, String>
 }
 
 fn management_oauth_uses_webui_callback(provider_key: &str) -> bool {
-    matches!(provider_key, "codex" | "anthropic" | "antigravity" | "xai" | "devin")
+    matches!(provider_key, "codex" | "claude" | "antigravity" | "xai" | "devin")
 }
 
 async fn read_management_json<T>(response: reqwest::Response) -> Result<T, String>
diff --git a/src-tauri/src/network_proxy.rs b/src-tauri/src/network_proxy.rs
index a6c70c6..b28dbcd 100644
--- a/src-tauri/src/network_proxy.rs
+++ b/src-tauri/src/network_proxy.rs
@@ -583,7 +583,7 @@ pub(crate) async fn verify_core_proxy(config: &GuiConfigFile) -> Result<(), Stri
     let mut updated = false;
     for attempt in 0..10 {
         let response = client
-            .get(management_api::management_endpoint(config, "proxy-url")?)
+            .get(management_api::management_endpoint(config, "config/requests/proxy-url")?)
             .header(
                 "Authorization",
                 management_api::management_authorization(config)?,
@@ -594,18 +594,18 @@ pub(crate) async fn verify_core_proxy(config: &GuiConfigFile) -> Result<(), Stri
         if let Ok(response) = response {
             if response.status().is_success() {
                 if let Ok(value) = response.json::<serde_json::Value>().await {
-                    if let Some(actual) = value.get("proxy-url").and_then(|v| v.as_str()) {
+                    if let Some(actual) = value.as_str() {
                         if actual == config.proxy_url {
                             return Ok(());
                         }
                         if attempt >= 2 && !updated {
                             let response = client
-                                .put(management_api::management_endpoint(config, "proxy-url")?)
+                                .put(management_api::management_endpoint(config, "config/requests/proxy-url")?)
                                 .header(
                                     "Authorization",
                                     management_api::management_authorization(config)?,
                                 )
-                                .json(&serde_json::json!({"value": config.proxy_url}))
+                                .json(&config.proxy_url)
                                 .timeout(Duration::from_secs(3))
                                 .send()
                                 .await
diff --git a/src-tauri/src/tests/alias_save.rs b/src-tauri/src/tests/alias_save.rs
index c0a9fcf..ea5e2c2 100644
--- a/src-tauri/src/tests/alias_save.rs
+++ b/src-tauri/src/tests/alias_save.rs
@@ -6,10 +6,81 @@ use std::sync::Arc;
 
 const CURRENT: &str = "oauth-model-alias:\n  codex:\n    - name: gpt-test\n      alias: my-alias\n      fork: true\npayload:\n  override:\n    - models: [{name: my-alias, protocol: codex}]\n      params: {reasoning.effort: high}\n";
 
+#[test]
+fn v8_management_yaml_is_projected_to_the_legacy_alias_editor_view() {
+    let input = "config-version: 8\naccess: {api-keys: [client-key]}\noauth:\n  model-alias: {codex: [{name: upstream, alias: public, fork: true}]}\nrequests:\n  payload: {override: [{models: [{name: public}], params: {reasoning.effort: high}}]}\napi-keys:\n  codex:\n    - name: codex-group\n      base-url: https://codex.example/v1\n      models: [{name: model-a}]\n      keys:\n        - {api-key: first, priority: 7}\n        - {api-key: second, priority: null}\n  openai-compatibility:\n    - name: openai-group\n      base-url: https://openai.example/v1\n      keys: [{api-key: third}]\n    - name: empty-openai-group\n      base-url: https://empty.example/v1\n      keys: []\n";
+    let view = yaml_json(&management_v8_yaml_to_legacy_view(input).unwrap());
+    assert_eq!(view["api-keys"], serde_json::json!(["client-key"]));
+    assert_eq!(view["oauth-model-alias"]["codex"][0]["alias"], "public");
+    assert_eq!(view["payload"]["override"][0]["params"]["reasoning.effort"], "high");
+    assert!(view["access"].get("api-keys").is_none());
+    assert!(view["oauth"].get("model-alias").is_none());
+    assert!(view["requests"].get("payload").is_none());
+    assert_eq!(view["codex-api-key"][0]["api-key"], "first");
+    assert_eq!(view["codex-api-key"][0]["priority"], 7);
+    assert_eq!(view["codex-api-key"][0]["models"][0]["name"], "model-a");
+    assert_eq!(view["codex-api-key"][1]["api-key"], "second");
+    assert!(view["codex-api-key"][1].get("priority").is_none());
+    assert_eq!(
+        view["openai-compatibility"][0]["api-key-entries"][0]["api-key"],
+        "third"
+    );
+    assert!(view["openai-compatibility"][1]
+        .get("api-key-entries")
+        .is_none());
+    assert_eq!(view["gemini-api-key"], serde_json::json!([]));
+}
+
+#[test]
+fn non_v8_management_yaml_is_returned_without_reformatting() {
+    let input = "# mock legacy config\nport: 8317\n";
+    assert_eq!(management_v8_yaml_to_legacy_view(input).unwrap(), input);
+}
+
+#[test]
+fn v8_alias_projection_normalizes_empty_parents_but_preserves_siblings() {
+    let project = |input| yaml_json(&management_v8_yaml_to_legacy_view(input).unwrap());
+    assert_eq!(
+        project("config-version: 8\n"),
+        project("config-version: 8\naccess: {}\noauth: {}\nrequests: {}\n")
+    );
+    let view = project("config-version: 8\noauth: {auth-dir: credentials, model-alias: {}}\nrequests: {proxy-url: direct, payload: {}}\n");
+    assert_eq!(view["oauth"]["auth-dir"], "credentials");
+    assert_eq!(view["requests"]["proxy-url"], "direct");
+}
+
+#[tokio::test(flavor = "current_thread")]
+async fn alias_save_creates_first_oauth_and_payload_nodes() {
+    let core = MockCore::new_v8("config-version: 8\n", Failure::None);
+    let current = fetch_management_config_yaml(&core.config).await.unwrap();
+    let updated = format!("{current}{CURRENT}");
+    put_management_alias_config_changes(&core.config, &current, &updated)
+        .await
+        .unwrap();
+    let (persisted, _) = core.finish();
+    assert_eq!(persisted["oauth-model-alias"], yaml_json(CURRENT)["oauth-model-alias"]);
+    assert_eq!(persisted["payload"], yaml_json(CURRENT)["payload"]);
+}
+
+#[tokio::test(flavor = "current_thread")]
+async fn alias_save_rolls_back_a_new_payload_parent() {
+    let initial = "oauth-model-alias: {codex: [{name: gpt-test, alias: my-alias, fork: true}]}\n";
+    let core = MockCore::new_v8(initial, Failure::YamlAfterWrite);
+    let current = fetch_management_config_yaml(&core.config).await.unwrap();
+    let updated = format!("{}payload: {{override: []}}\n", current.replace("my-alias", "renamed"));
+    let error = put_management_alias_config_changes(&core.config, &current, &updated)
+        .await
+        .unwrap_err();
+    assert!(error.contains("Original configuration was restored"), "{error}");
+    let (persisted, _) = core.finish();
+    assert_eq!(persisted, yaml_json(initial));
+}
+
 #[derive(Clone, Copy, PartialEq, Eq)]
 enum Failure {
     None,
     YamlBeforeWrite,
+    SecondYamlBeforeWrite,
     YamlAfterWrite,
     OauthAfterWrite,
     Rollback,
@@ -60,6 +131,14 @@ struct MockCore {
 
 impl MockCore {
     fn new(initial: &str, failure: Failure) -> Self {
+        Self::with_response_layout(initial, failure, false)
+    }
+
+    fn new_v8(initial: &str, failure: Failure) -> Self {
+        Self::with_response_layout(initial, failure, true)
+    }
+
+    fn with_response_layout(initial: &str, failure: Failure, v8_response: bool) -> Self {
         assert!(!current_core_tls_settings().unwrap().enabled);
         let listener = TcpListener::bind("127.0.0.1:0").unwrap();
         let port = listener.local_addr().unwrap().port();
@@ -120,9 +199,13 @@ impl MockCore {
                 let mut status = "200 OK";
                 let mut response = "{\"status\":\"ok\"}".to_string();
                 if method == "GET" {
-                    assert_eq!(path, "/v0/management/config.yaml");
-                    response = serde_norway::to_string(&persisted).unwrap();
-                } else if path == "/v0/management/oauth-model-alias" {
+                    assert_eq!(path, "/v8/management/config.yaml");
+                    response = if v8_response {
+                        v8_yaml_from_legacy_json(&persisted)
+                    } else {
+                        serde_norway::to_string(&persisted).unwrap()
+                    };
+                } else if path == "/v8/management/config/oauth/model-alias" {
                     oauth_writes += 1;
                     if failure == Failure::Rollback && oauth_writes == 2 {
                         status = "500 Internal Server Error";
@@ -134,20 +217,65 @@ impl MockCore {
                         }
                     }
                 } else {
-                    assert_eq!(path, "/v0/management/config.yaml");
                     yaml_writes += 1;
-                    if yaml_writes == 1
+                    if (yaml_writes == 1
                         && matches!(
                             failure,
                             Failure::YamlBeforeWrite | Failure::Rollback | Failure::ForeignChange
-                        )
+                        ))
+                        || (yaml_writes == 2 && failure == Failure::SecondYamlBeforeWrite)
                     {
                         status = "500 Internal Server Error";
                         if failure == Failure::ForeignChange {
                             persisted["debug"] = serde_json::json!(true);
                         }
                     } else {
-                        persisted = yaml_json(std::str::from_utf8(request_body).unwrap());
+                        let suffix = path
+                            .strip_prefix("/v8/management/config/")
+                            .unwrap_or_else(|| panic!("unexpected management path: {path}"));
+                        match (method, suffix) {
+                            ("PUT", "requests/payload") => {
+                                persisted["payload"] =
+                                    serde_json::from_slice(request_body).unwrap();
+                            }
+                            ("DELETE", "requests/payload") => {
+                                persisted.as_object_mut().unwrap().remove("payload");
+                            }
+                            ("PUT", provider_path)
+                                if provider_path.starts_with("api-keys/") =>
+                            {
+                                let provider = provider_path
+                                    .strip_prefix("api-keys/")
+                                    .unwrap();
+                                let legacy = V8_PROVIDER_FAMILIES
+                                    .iter()
+                                    .find_map(|(legacy, candidate)| {
+                                        (*candidate == provider).then_some(*legacy)
+                                    })
+                                    .unwrap();
+                                let groups: serde_norway::Value =
+                                    serde_json::from_slice(request_body).unwrap();
+                                persisted[legacy] = serde_json::to_value(
+                                    flatten_v8_provider_groups(provider, &groups).unwrap(),
+                                )
+                                .unwrap();
+                            }
+                            ("DELETE", provider_path)
+                                if provider_path.starts_with("api-keys/") =>
+                            {
+                                let provider = provider_path
+                                    .strip_prefix("api-keys/")
+                                    .unwrap();
+                                let legacy = V8_PROVIDER_FAMILIES
+                                    .iter()
+                                    .find_map(|(legacy, candidate)| {
+                                        (*candidate == provider).then_some(*legacy)
+                                    })
+                                    .unwrap();
+                                persisted.as_object_mut().unwrap().remove(legacy);
+                            }
+                            _ => panic!("unexpected management request: {method} {path}"),
+                        }
                         if yaml_writes == 1 && failure == Failure::YamlAfterWrite {
                             status = "500 Internal Server Error";
                         }
@@ -190,6 +318,79 @@ fn yaml_json(content: &str) -> serde_json::Value {
     serde_json::to_value(serde_norway::from_str::<serde_norway::Value>(content).unwrap()).unwrap()
 }
 
+fn v8_yaml_from_legacy_json(legacy: &serde_json::Value) -> String {
+    let mut root = legacy.as_object().unwrap().clone();
+    root.insert("config-version".into(), serde_json::json!(8));
+    if let Some(client_keys) = root.remove("api-keys") {
+        root.entry("access")
+            .or_insert_with(|| serde_json::json!({}))["api-keys"] = client_keys;
+    }
+    if let Some(aliases) = root.remove("oauth-model-alias") {
+        root.entry("oauth")
+            .or_insert_with(|| serde_json::json!({}))["model-alias"] = aliases;
+    }
+    if let Some(payload) = root.remove("payload") {
+        root.entry("requests")
+            .or_insert_with(|| serde_json::json!({}))["payload"] = payload;
+    }
+    let mut upstreams = serde_json::Map::new();
+    for (legacy, provider) in V8_PROVIDER_FAMILIES {
+        let records: serde_norway::Value = serde_json::from_value(
+            root.remove(legacy).unwrap_or_else(|| serde_json::json!([])),
+        )
+        .unwrap();
+        upstreams.insert(
+            provider.into(),
+            serde_json::to_value(group_legacy_provider_records(provider, &records).unwrap())
+                .unwrap(),
+        );
+    }
+    root.insert("api-keys".into(), serde_json::Value::Object(upstreams));
+    serde_norway::to_string(&serde_json::Value::Object(root)).unwrap()
+}
+
+#[tokio::test(flavor = "current_thread")]
+async fn alias_save_uses_only_targeted_writes_with_a_real_v8_config_view() {
+    let core = MockCore::new_v8(CURRENT, Failure::None);
+    let current = fetch_management_config_yaml(&core.config).await.unwrap();
+    let updated = current.replace("my-alias", "renamed");
+    put_management_alias_config_changes(&core.config, &current, &updated)
+        .await
+        .unwrap();
+    let (persisted, requests) = core.finish();
+    assert_eq!(persisted, yaml_json(&CURRENT.replace("my-alias", "renamed")));
+    assert!(requests
+        .iter()
+        .any(|request| request == "PUT /v8/management/config/oauth/model-alias"));
+    assert!(requests
+        .iter()
+        .any(|request| request == "PUT /v8/management/config/requests/payload"));
+    assert!(!requests
+        .iter()
+        .any(|request| request == "PUT /v8/management/config.yaml"));
+}
+
+#[tokio::test(flavor = "current_thread")]
+async fn provider_alias_edits_round_trip_through_v8_key_groups() {
+    let initial = format!(
+        "{CURRENT}codex-api-key:\n  - api-key: preserved-secret\n    base-url: https://codex.example/v1\n    models: [{{name: model-a}}]\n"
+    );
+    let core = MockCore::new_v8(&initial, Failure::None);
+    let current = fetch_management_config_yaml(&core.config).await.unwrap();
+    let updated = current.replace("name: model-a\n", "name: model-b\n");
+    put_management_alias_config_changes(&core.config, &current, &updated)
+        .await
+        .unwrap();
+    let (persisted, requests) = core.finish();
+    let mut expected = yaml_json(&initial);
+    expected["codex-api-key"][0]["models"][0]["name"] = serde_json::json!("model-b");
+    assert_eq!(persisted, expected);
+    assert_eq!(persisted["codex-api-key"][0]["api-key"], "preserved-secret");
+    assert!(requests
+        .iter()
+        .any(|request| request == "PUT /v8/management/config/api-keys/codex"));
+}
+
 #[tokio::test(flavor = "current_thread")]
 async fn alias_save_recovers_failures_before_and_after_writes() {
     for failure in [
@@ -206,13 +407,35 @@ async fn alias_save_recovers_failures_before_and_after_writes() {
         assert_eq!(
             requests
                 .iter()
-                .filter(|request| request.ends_with("oauth-model-alias"))
+                .filter(|request| request.ends_with("oauth/model-alias"))
                 .count(),
             2
         );
     }
 }
 
+#[tokio::test(flavor = "current_thread")]
+async fn alias_save_restores_a_partial_v8_multi_path_write() {
+    let initial = format!(
+        "{CURRENT}codex-api-key:\n  - api-key: preserved-secret\n    models: [{{name: my-alias}}]\n"
+    );
+    let core = MockCore::new_v8(&initial, Failure::SecondYamlBeforeWrite);
+    let current = fetch_management_config_yaml(&core.config).await.unwrap();
+    let updated = current.replace("my-alias", "renamed");
+    assert!(put_management_alias_config_changes(&core.config, &current, &updated)
+        .await
+        .unwrap_err()
+        .contains("Original configuration was restored"));
+    let (persisted, requests) = core.finish();
+    assert_eq!(persisted, yaml_json(&initial));
+    assert!(requests
+        .iter()
+        .any(|request| request == "PUT /v8/management/config/requests/payload"));
+    assert!(requests
+        .iter()
+        .any(|request| request == "PUT /v8/management/config/api-keys/codex"));
+}
+
 #[tokio::test(flavor = "current_thread")]
 async fn alias_save_reports_failed_rollback_without_claiming_restoration() {
     let core = MockCore::new(CURRENT, Failure::Rollback);
@@ -267,7 +490,7 @@ async fn alias_save_rejects_stale_snapshot_before_any_write() {
     .await;
     assert!(result.unwrap_err().contains("Configuration changed"));
     let (_, requests) = core.finish();
-    assert_eq!(requests, ["GET /v0/management/config.yaml"]);
+    assert_eq!(requests, ["GET /v8/management/config.yaml"]);
 }
 
 #[tokio::test(flavor = "current_thread")]
@@ -566,7 +789,9 @@ async fn desktop_backup_restore_rejects_core_changes_since_preview() {
     let preview = prepare_restore_plan(&core.config, "claude-desktop", &fixture.home, &fixture.id)
         .await
         .unwrap();
-    let changed = format!("{}debug: true\n", fixture.core_b);
+    let changed = fixture
+        .core_b
+        .replace("model-b", "externally-changed-model");
     put_management_alias_config_changes(&core.config, &fixture.core_b, &changed)
         .await
         .unwrap();
diff --git a/src-tauri/src/tests/core_config.rs b/src-tauri/src/tests/core_config.rs
index 7e98c90..cb05c56 100644
--- a/src-tauri/src/tests/core_config.rs
+++ b/src-tauri/src/tests/core_config.rs
@@ -910,6 +910,42 @@ fn core_config_reads_logging_settings_and_applies_defaults() {
     );
 }
 
+#[test]
+fn v8_core_config_reads_and_writes_canonical_nested_fields() {
+    let input = "config-version: 8\nserver:\n  host: 0.0.0.0\n  port: 9527\n  commercial-mode: true\n  tls: {enable: true, cert: cert.pem, key: key.pem}\nmanagement: {secret-key: management-key}\naccess: {api-keys: [client-key]}\noauth: {auth-dir: oauth-data}\nrequests:\n  proxy-url: direct\n  streaming: {bootstrap-retries: 4}\nrouting:\n  strategy: fill-first\n  retry: {request-retry: 5, max-retry-credentials: 6, max-retry-interval: 7}\n  cooldown: {disable-cooling: true}\nobservability:\n  logs: {debug: true, logging-to-file: true, logs-max-total-size-mb: 128, error-logs-max-files: 12, request-log: true}\n  usage: {usage-statistics-enabled: false, redis-usage-queue-retention-seconds: 90}\nplugins: {enabled: true}\n";
+    let document = serde_norway::from_str::<serde_norway::Value>(input).unwrap();
+    let settings = core_config_settings_from_value(&document).unwrap();
+    assert_eq!(settings.host, "0.0.0.0");
+    assert_eq!(settings.port, 9527);
+    assert_eq!(settings.api_keys, vec!["client-key"]);
+    assert_eq!(settings.management_secret_key.as_deref(), Some("management-key"));
+    assert_eq!(settings.proxy_url, "direct");
+    assert_eq!(settings.request_retry, 5);
+    assert_eq!(settings.max_retry_credentials, 6);
+    assert_eq!(settings.max_retry_interval, 7);
+    assert_eq!(settings.streaming_bootstrap_retries, 4);
+    assert!(settings.debug && settings.commercial_mode && settings.request_log);
+
+    let mut config = GuiConfigFile::default();
+    config.host = "127.0.0.1".into();
+    config.port = 8318;
+    config.management_secret_key = "new-management-key".into();
+    config.api_keys = vec![GuiApiKeyEntry { key: "new-client-key".into(), remark: String::new() }];
+    config.proxy_url = "socks5://127.0.0.1:1080".into();
+    config.request_retry = 2;
+    let updated = apply_gui_managed_settings(input, &config).unwrap();
+    let updated = serde_norway::from_str::<serde_norway::Value>(&updated).unwrap();
+    assert_eq!(updated["server"]["host"], "127.0.0.1");
+    assert_eq!(updated["server"]["port"], 8318);
+    assert_eq!(updated["management"]["secret-key"], "new-management-key");
+    assert_eq!(updated["access"]["api-keys"][0], "new-client-key");
+    assert_eq!(updated["requests"]["proxy-url"], "socks5://127.0.0.1:1080");
+    assert_eq!(updated["routing"]["retry"]["request-retry"], 2);
+    for legacy in ["host", "port", "remote-management", "proxy-url", "request-retry"] {
+        assert!(updated.get(legacy).is_none(), "legacy field leaked into v8 config: {legacy}");
+    }
+}
+
 #[test]
 fn core_config_reads_proxy_and_session_affinity_fields() {
     let canonical = serde_norway::from_str::<serde_norway::Value>(
diff --git a/src-tauri/src/tests/core_runtime.rs b/src-tauri/src/tests/core_runtime.rs
index 06e4425..171ee6d 100644
--- a/src-tauri/src/tests/core_runtime.rs
+++ b/src-tauri/src/tests/core_runtime.rs
@@ -593,6 +593,24 @@ fn replacing_a_core_migrates_old_fields_into_the_new_template() {
     fs::remove_dir_all(root).unwrap();
 }
 
+#[test]
+fn replacing_v7_with_v8_preserves_the_legacy_config_byte_for_byte() {
+    let root = agent_test_home("core-config-v8-preserve");
+    let source = root.join("source");
+    let target = root.join("target");
+    fs::create_dir_all(&source).unwrap();
+    fs::create_dir_all(&target).unwrap();
+    let old_config = "# User v7 config\nhost: 127.0.0.1\nport: 9527\nremote-management:\n  secret-key: user-secret\napi-keys: [client-key]\nproxy-url: direct\n";
+    let v8_template = "config-version: 8\nserver: {host: '', port: 8317}\nmanagement: {secret-key: ''}\naccess: {api-keys: [template-key]}\nrequests: {proxy-url: ''}\n";
+    fs::write(source.join(CORE_CONFIG_FILE), old_config).unwrap();
+    fs::write(target.join(CORE_EXAMPLE_CONFIG_FILE), v8_template).unwrap();
+
+    migrate_core_config_for_update(&source, &target).unwrap();
+
+    assert_eq!(fs::read_to_string(target.join(CORE_CONFIG_FILE)).unwrap(), old_config);
+    fs::remove_dir_all(root).unwrap();
+}
+
 #[test]
 fn replacing_a_core_rejects_invalid_config_without_overwriting_files() {
     let root = agent_test_home("core-config-migrate-invalid");
diff --git a/src-tauri/src/usage.rs b/src-tauri/src/usage.rs
index 72eb247..9a8b2fb 100644
--- a/src-tauri/src/usage.rs
+++ b/src-tauri/src/usage.rs
@@ -2132,7 +2132,7 @@ async fn wait_or_cancel(token: &CancellationToken, seconds: u64) {
 async fn fetch_usage_queue(config: &GuiConfigFile) -> Result<Vec<Value>, String> {
     let client = management_http_client()?;
     let response = client
-        .get(management_endpoint(config, "usage-queue")?)
+        .get(management_endpoint(config, "observability/usage/queue")?)
         .header("Authorization", management_authorization(config)?)
         .query(&[("count", USAGE_QUEUE_BATCH_SIZE)])
         .send()
diff --git a/src/mocks/browserMockRuntime.ts b/src/mocks/browserMockRuntime.ts
index f4aec89..52a4633 100644
--- a/src/mocks/browserMockRuntime.ts
+++ b/src/mocks/browserMockRuntime.ts
@@ -21,6 +21,16 @@ const PROVIDER_SECTIONS = [
   'claude-api-key',
   'openai-compatibility',
 ] as const;
+const V8_PROVIDER_BY_SECTION = {
+  'gemini-api-key': 'gemini',
+  'codex-api-key': 'codex',
+  'claude-api-key': 'claude',
+  'openai-compatibility': 'openai-compatibility',
+} as const;
+const SHARED_PROVIDER_FIELDS = new Set([
+  'priority', 'prefix', 'proxy-url', 'headers', 'models', 'excluded-models',
+  'disable-cooling', 'request-retry', 'request-scoped-errors',
+]);
 
 const clone = <Value,>(value: Value): Value => structuredClone(value);
 const sleep = (delayMs: number) => delayMs > 0
@@ -640,8 +650,53 @@ function managementResponse(state: BrowserMockState, payload: JsonObject) {
   const query = asObject(request.query);
   const body = request.body;
 
+  const v8Provider = Object.entries(V8_PROVIDER_BY_SECTION).find(
+    ([, provider]) => path === `/config/api-keys/${provider}`,
+  );
+  const groupRecords = (section: (typeof PROVIDER_SECTIONS)[number], records: JsonObject[]) => records.map((record, index) => {
+    if (section === 'openai-compatibility') {
+      const group: JsonObject = { ...record, keys: asArray(record['api-key-entries']).map((item) => clone(asObject(item))) };
+      delete group['api-key-entries'];
+      return group;
+    }
+    const group: JsonObject = { name: `${V8_PROVIDER_BY_SECTION[section]}-${index + 1}` };
+    const key: JsonObject = {};
+    Object.entries(record).forEach(([field, value]) => {
+      if (field === 'base-url' || SHARED_PROVIDER_FIELDS.has(field)) group[field] = value;
+      else key[field] = value;
+    });
+    group.keys = [key];
+    return group;
+  });
+  const flattenGroups = (section: (typeof PROVIDER_SECTIONS)[number], groups: unknown) => asArray(groups).flatMap((item) => {
+    const group = asObject(item);
+    const keys = asArray(group.keys).map(asObject);
+    if (section === 'openai-compatibility') {
+      const record: JsonObject = { ...group };
+      delete record.keys;
+      if (keys.length > 0) record['api-key-entries'] = keys;
+      return [record];
+    }
+    const shared = Object.fromEntries(Object.entries(group).filter(([field]) => field === 'base-url' || SHARED_PROVIDER_FIELDS.has(field)));
+    return keys.map((key) => ({ ...shared, ...Object.fromEntries(Object.entries(key).filter(([, value]) => value !== null)) }));
+  });
+
   if (method === 'GET' && path === '/config') {
-    return clone(state.providerConfig);
+    return {
+      'config-version': 8,
+      'api-keys': Object.fromEntries(PROVIDER_SECTIONS.map((section) => [
+        V8_PROVIDER_BY_SECTION[section],
+        groupRecords(section, state.providerConfig[section]),
+      ])),
+    };
+  }
+  if (v8Provider) {
+    const section = v8Provider[0] as (typeof PROVIDER_SECTIONS)[number];
+    if (method === 'GET') return groupRecords(section, state.providerConfig[section]);
+    if (method === 'PUT') {
+      state.providerConfig[section] = flattenGroups(section, body).map((item) => clone(asObject(item)));
+      return { status: 'ok', 'config-version': 8 };
+    }
   }
   if (PROVIDER_SECTIONS.some((section) => path === `/${section}`)) {
     const section = path.slice(1) as (typeof PROVIDER_SECTIONS)[number];
@@ -658,15 +713,24 @@ function managementResponse(state: BrowserMockState, payload: JsonObject) {
       return { [section]: clone(state.providerConfig[section]) };
     }
   }
-  if (method === 'GET' && path === '/auth-files') {
+  if (method === 'GET' && path === '/credentials') {
     return { files: clone(state.authFiles), observed_at: new Date().toISOString() };
   }
-  if (method === 'GET' && path === '/auth-files/download') {
+  if (method === 'GET' && path === '/credentials/download') {
     const file = findAuthFile(state, readString(query.name));
     return clone(file ?? { name: query.name, excluded_models: [] });
   }
-  if (method === 'GET' && path === '/auth-files/models') return mockModelDefinitions();
-  if (method === 'GET' && path.startsWith('/model-definitions/')) return mockModelDefinitions();
+  if (method === 'GET' && path === '/credentials/models') return mockModelDefinitions();
+  if (method === 'GET' && path.startsWith('/routing/model-definitions/')) return mockModelDefinitions();
+  if (method === 'GET' && path === '/config/oauth/excluded-models') {
+    return clone(state.oauthExcludedModels);
+  }
+  if (path.startsWith('/config/oauth/excluded-models/')) {
+    const provider = decodeURIComponent(path.slice('/config/oauth/excluded-models/'.length));
+    if (method === 'PUT') state.oauthExcludedModels[provider] = asArray(body).map(String);
+    if (method === 'DELETE') delete state.oauthExcludedModels[provider];
+    return { status: 'ok', 'config-version': 8 };
+  }
   if (method === 'GET' && path === '/oauth-excluded-models') {
     return { 'oauth-excluded-models': clone(state.oauthExcludedModels) };
   }
@@ -679,19 +743,19 @@ function managementResponse(state: BrowserMockState, payload: JsonObject) {
     delete state.oauthExcludedModels[readString(query.provider)];
     return null;
   }
-  if (method === 'PATCH' && (path === '/auth-files/fields' || path === '/auth-files/status')) {
+  if (method === 'PATCH' && (path === '/credentials/fields' || path === '/credentials/status')) {
     const patch = asObject(body);
     const file = findAuthFile(state, readString(patch.name));
     if (file) Object.assign(file, patch);
     return clone(file ?? null);
   }
-  if (method === 'DELETE' && path === '/auth-files') {
+  if (method === 'DELETE' && path === '/credentials') {
     const index = state.authFiles.findIndex((file) => file.name === query.name);
     if (index >= 0) state.authFiles.splice(index, 1);
     return null;
   }
-  if (method === 'POST' && path === '/api-call') return mockApiCall(asObject(body));
-  if (method === 'DELETE' && path === '/oauth-session') return null;
+  if (method === 'POST' && path === '/requests/api-call') return mockApiCall(asObject(body));
+  if (method === 'DELETE' && path === '/oauth/session') return null;
   return {};
 }
 
diff --git a/src/services/managementApi.ts b/src/services/managementApi.ts
index dd2fddf..7cb0fa6 100644
--- a/src/services/managementApi.ts
+++ b/src/services/managementApi.ts
@@ -9,6 +9,108 @@ type ManagementRequestOptions = {
   timeoutMs?: number;
 };
 
+const PROVIDER_PATHS = {
+  '/gemini-api-key': { provider: 'gemini', legacy: 'gemini-api-key' },
+  '/interactions-api-key': { provider: 'interactions', legacy: 'interactions-api-key' },
+  '/vertex-api-key': { provider: 'vertex', legacy: 'vertex-api-key' },
+  '/codex-api-key': { provider: 'codex', legacy: 'codex-api-key' },
+  '/claude-api-key': { provider: 'claude', legacy: 'claude-api-key' },
+  '/xai-api-key': { provider: 'xai', legacy: 'xai-api-key' },
+  '/meta-api-key': { provider: 'meta', legacy: 'meta-api-key' },
+  '/openai-compatibility': { provider: 'openai-compatibility', legacy: 'openai-compatibility' },
+} as const;
+
+type ProviderPath = keyof typeof PROVIDER_PATHS;
+
+const SHARED_PROVIDER_FIELDS = new Set([
+  'priority',
+  'prefix',
+  'proxy-url',
+  'headers',
+  'models',
+  'excluded-models',
+  'disable-cooling',
+  'request-retry',
+  'request-scoped-errors',
+]);
+
+const providerDefinition = (path: string) => PROVIDER_PATHS[path as ProviderPath];
+
+async function optionalConfigValue(
+  path: string, fallback: ManagementJson, options: ManagementRequestOptions,
+): Promise<unknown> {
+  try {
+    return await invoke<unknown>('management_request', {
+      request: { method: 'GET', path, query: normalizeQuery(options.query), timeoutMs: options.timeoutMs },
+    });
+  } catch (error) {
+    // Only an absent v8 config node is optional, not an unavailable endpoint or server.
+    const message = error instanceof Error ? error.message : error;
+    if (message === 'Management API error (404): not_found') return fallback;
+    throw error;
+  }
+}
+
+export function flattenV8ProviderGroups(provider: string, payload: unknown): Record<string, unknown>[] {
+  if (!Array.isArray(payload)) return [];
+  return payload.filter(isRecord).flatMap((group) => {
+    const keys = Array.isArray(group.keys) ? group.keys.filter(isRecord) : [];
+    if (provider === 'openai-compatibility') {
+      const record: Record<string, unknown> = { ...group };
+      delete record.keys;
+      if (keys.length > 0) record['api-key-entries'] = keys.map((key) => ({ ...key }));
+      return [record];
+    }
+    const shared = Object.fromEntries(
+      Object.entries(group).filter(([key]) => key === 'base-url' || SHARED_PROVIDER_FIELDS.has(key)),
+    );
+    return keys.map((key) => {
+      const overrides = Object.fromEntries(Object.entries(key).filter(([, value]) => value !== null));
+      return { ...shared, ...overrides };
+    });
+  });
+}
+
+export function groupLegacyProviderRecords(provider: string, payload: unknown): Record<string, unknown>[] {
+  if (!Array.isArray(payload)) return [];
+  return payload.filter(isRecord).map((record, index) => {
+    if (provider === 'openai-compatibility') {
+      const group: Record<string, unknown> = {
+        ...record,
+        keys: Array.isArray(record['api-key-entries'])
+          ? record['api-key-entries'].filter(isRecord).map((key) => ({ ...key }))
+          : [],
+      };
+      delete group['api-key-entries'];
+      return group;
+    }
+    const group: Record<string, unknown> = { name: `${provider}-${index + 1}` };
+    const key: Record<string, unknown> = {};
+    Object.entries(record).forEach(([field, value]) => {
+      if (field === 'base-url' || SHARED_PROVIDER_FIELDS.has(field)) group[field] = value;
+      else key[field] = value;
+    });
+    group.keys = [key];
+    return group;
+  });
+}
+
+export function legacyManagementConfigView(payload: unknown): unknown {
+  if (!isRecord(payload)) return payload;
+  const legacy: Record<string, unknown> = { ...payload };
+  const upstream = isRecord(payload['api-keys']) ? payload['api-keys'] : {};
+  Object.values(PROVIDER_PATHS).forEach(({ provider, legacy: legacyKey }) => {
+    legacy[legacyKey] = flattenV8ProviderGroups(provider, upstream[provider]);
+  });
+  const access = isRecord(payload.access) ? payload.access : null;
+  if (access && Array.isArray(access['api-keys'])) legacy['api-keys'] = access['api-keys'];
+  const oauth = isRecord(payload.oauth) ? payload.oauth : null;
+  if (oauth && oauth['model-alias'] !== undefined) legacy['oauth-model-alias'] = oauth['model-alias'];
+  const requests = isRecord(payload.requests) ? payload.requests : null;
+  if (requests && requests.payload !== undefined) legacy.payload = requests.payload;
+  return legacy;
+}
+
 const normalizeQuery = (
   query?: Record<string, string | number | boolean | undefined>,
 ): Record<string, string> | undefined => {
@@ -29,15 +131,93 @@ async function request<T = ManagementJson>(
   path: string,
   options: ManagementRequestOptions = {},
 ): Promise<T> {
-  return invoke<T>('management_request', {
+  if (path === '/oauth-excluded-models') {
+    if (method === 'PATCH' && isRecord(options.body)) {
+      const provider = readString(options.body, 'provider');
+      if (!provider || !Array.isArray(options.body.models)) {
+        throw new Error('Invalid OAuth model exclusion update');
+      }
+      return invoke<T>('management_request', {
+        request: {
+          method: 'PUT',
+          path: `/config/oauth/excluded-models/${encodeURIComponent(provider)}`,
+          body: options.body.models,
+        },
+      });
+    }
+    if (method === 'DELETE') {
+      const provider = options.query?.provider;
+      if (typeof provider !== 'string' || !provider.trim()) {
+        throw new Error('Invalid OAuth model exclusion delete');
+      }
+      return invoke<T>('management_request', {
+        request: {
+          method: 'DELETE',
+          path: `/config/oauth/excluded-models/${encodeURIComponent(provider.trim())}`,
+        },
+      });
+    }
+    if (method === 'GET') {
+      const exclusions = await optionalConfigValue('/config/oauth/excluded-models', {}, options);
+      return { 'oauth-excluded-models': exclusions } as T;
+    }
+  }
+  const definition = providerDefinition(path);
+  if (method === 'GET' && definition) {
+    const groups = await optionalConfigValue(`/config/api-keys/${definition.provider}`, [], options);
+    return { [definition.legacy]: flattenV8ProviderGroups(definition.provider, groups) } as T;
+  }
+  if (method === 'PATCH' && path === '/openai-compatibility' && isRecord(options.body)) {
+    const index = Number(options.body.index);
+    const value = options.body.value;
+    if (!Number.isInteger(index) || index < 0 || !isRecord(value)) {
+      throw new Error('Invalid OpenAI compatibility update');
+    }
+    const groups = await invoke<unknown>('management_request', {
+      request: { method: 'GET', path: '/config/api-keys/openai-compatibility' },
+    });
+    const records = flattenV8ProviderGroups('openai-compatibility', groups);
+    if (!records[index]) throw new Error('OpenAI compatibility entry no longer exists');
+    records[index] = { ...records[index], ...value };
+    return invoke<T>('management_request', {
+      request: {
+        method: 'PUT',
+        path: '/config/api-keys/openai-compatibility',
+        body: groupLegacyProviderRecords('openai-compatibility', records),
+      },
+    });
+  }
+
+  let apiPath = path;
+  let body = options.body;
+  if (definition) {
+    apiPath = `/config/api-keys/${definition.provider}`;
+    if (method === 'PUT' || method === 'PATCH') {
+      body = groupLegacyProviderRecords(definition.provider, body);
+    }
+  } else if (path === '/api-call') {
+    apiPath = '/requests/api-call';
+  } else if (path === '/oauth-session') {
+    apiPath = '/oauth/session';
+  } else if (path.startsWith('/auth-files')) {
+    apiPath = `/credentials${path.slice('/auth-files'.length)}`;
+  } else if (path.startsWith('/model-definitions/')) {
+    apiPath = `/routing${path}`;
+  }
+
+  const payload = await invoke<unknown>('management_request', {
     request: {
       method,
-      path,
+      path: apiPath,
       query: normalizeQuery(options.query),
-      body: options.body,
+      body,
       timeoutMs: options.timeoutMs,
     },
   });
+  if (method === 'GET' && path === '/config') {
+    return legacyManagementConfigView(payload) as T;
+  }
+  return payload as T;
 }
 
 export const managementApi = {
diff --git a/tests/fixtures/auth-file-requests.tsx b/tests/fixtures/auth-file-requests.tsx
index 0a4405a..c7b734c 100644
--- a/tests/fixtures/auth-file-requests.tsx
+++ b/tests/fixtures/auth-file-requests.tsx
@@ -39,15 +39,15 @@ mockIPC(async (cmd, args) => {
   if (cmd === 'set_app_locale') return null;
   if (cmd === 'management_request') {
     const request = args?.request as { path: string; method: string; query?: Record<string, string>; body?: Record<string, unknown> };
-    if (request.path === '/auth-files/download') {
+    if (request.path === '/credentials/download') {
       if (params.has('metadataError')) throw new Error('Fixture metadata read failed');
       return { ...settingsFor(request.query?.name ?? '') };
     }
-    if (request.path === '/auth-files/models') {
+    if (request.path === '/credentials/models') {
       if (params.has('catalogError')) throw new Error('Fixture catalog read failed');
       return { models: [{ id: 'gpt-example' }, { id: 'gpt-old-example' }, { id: 'claude-example' }] };
     }
-    if (request.path === '/auth-files/fields' && request.method === 'PATCH') {
+    if (request.path === '/credentials/fields' && request.method === 'PATCH') {
       if (params.has('saveError')) throw new Error('Fixture settings save failed');
       const { name, headers, ...patch } = request.body ?? {};
       const target = settingsFor(String(name));
@@ -64,7 +64,7 @@ mockIPC(async (cmd, args) => {
       if (output) output.textContent = JSON.stringify(request.body, null, 2);
       return { status: 'ok' };
     }
-    if (request.path === '/api-call') {
+    if (request.path === '/requests/api-call') {
       await new Promise((resolve) => setTimeout(resolve, 800));
       if (params.has('quotaError')) throw new Error('Fixture quota unavailable');
       if (String(request.body?.url).endsWith('/consume')) {
@@ -77,7 +77,7 @@ mockIPC(async (cmd, args) => {
         ? { available_count: Math.max(0, 2 - resetCount), applicable_available_count: 0, credits: [{ reset_type: 'codex_rate_limits', status: 'available', expires_at: '2030-01-01T00:00:00Z' }] }
         : { plan_type: 'Plus', rate_limit: { primary_window: { used_percent: resetCount ? 0 : 16, limit_window_seconds: 18000, reset_after_seconds: 3600 }, secondary_window: { used_percent: resetCount ? 0 : 72, limit_window_seconds: 604800, reset_after_seconds: 86400 } } }) };
     }
-    if (request.path === '/auth-files' && request.method === 'GET') {
+    if (request.path === '/credentials' && request.method === 'GET') {
       refreshCount += 1;
       if (params.has('cards')) return { files: cardFiles.map((file) => ({ source: 'file', size: 2048, updated_at: '2026-09-20T01:20:00Z', success: 1200, failed: 28, recent_requests: buckets, ...file, ...settingsFor(file.name) })) };
       if (params.has('health')) {
diff --git a/tests/fixtures/devin.tsx b/tests/fixtures/devin.tsx
index 56ed19c..1920b66 100644
--- a/tests/fixtures/devin.tsx
+++ b/tests/fixtures/devin.tsx
@@ -45,14 +45,14 @@ mockIPC(async (cmd, args: any) => {
   if (cmd === 'open_oauth_url') return null;
   if (cmd === 'management_request') {
     const request = args.request;
-    if (request.path === '/auth-files') return { files: fixture.files };
+    if (request.path === '/credentials') return { files: fixture.files };
     if (request.path === '/config') return {};
-    if (request.path === '/auth-files/fields') return {};
-    if (request.path === '/oauth-session') {
+    if (request.path === '/credentials/fields') return {};
+    if (request.path === '/oauth/session') {
       if (fixture.cancelError) throw new Error('Cancellation failed');
       return { status: 'ok', cancelled: true };
     }
-    if (request.path === '/api-call') return fixture.quotaError
+    if (request.path === '/requests/api-call') return fixture.quotaError
       ? { status_code: 401, body: { error: 'Session expired' } }
       : { status_code: 200, body: { userStatus: { planStatus: {
         dailyQuotaRemainingPercent: 75, weeklyQuotaRemainingPercent: 0,
diff --git a/tests/fixtures/model-selection.tsx b/tests/fixtures/model-selection.tsx
index 0e115a9..852d88d 100644
--- a/tests/fixtures/model-selection.tsx
+++ b/tests/fixtures/model-selection.tsx
@@ -31,7 +31,7 @@ fixture.fixtureSaved = null;
 mockIPC(async (cmd, rawArgs) => {
   if (cmd === 'set_app_locale') return null;
   const args = rawArgs as { request?: { path?: string } };
-  if (cmd === 'management_request' && args.request?.path === '/api-call') {
+  if (cmd === 'management_request' && args.request?.path === '/requests/api-call') {
     const response = fixture.fixtureFailFetch
       ? { status_code: 503, body: 'Fixture discovery failed' }
       : { status_code: 200, body: { data: fixture.fixtureCatalog.slice() } };
diff --git a/tests/managementApi.test.ts b/tests/managementApi.test.ts
index e93f7e3..3eff8d4 100644
--- a/tests/managementApi.test.ts
+++ b/tests/managementApi.test.ts
@@ -1,5 +1,44 @@
-import { describe, expect, it } from 'bun:test';
-import { apiCallErrorMessage } from '../src/services/managementApi';
+import { afterEach, beforeEach, describe, expect, it } from 'bun:test';
+import { clearMocks, mockIPC } from '@tauri-apps/api/mocks';
+import {
+  apiCallErrorMessage,
+  flattenV8ProviderGroups,
+  groupLegacyProviderRecords,
+  legacyManagementConfigView,
+  managementApi,
+} from '../src/services/managementApi';
+
+describe('optional v8 config reads', () => {
+  let originalWindow: PropertyDescriptor | undefined;
+  beforeEach(() => {
+    originalWindow = Object.getOwnPropertyDescriptor(globalThis, 'window');
+    Object.defineProperty(globalThis, 'window', { value: {}, writable: true, configurable: true });
+  });
+  afterEach(() => {
+    clearMocks();
+    if (originalWindow) Object.defineProperty(globalThis, 'window', originalWindow);
+    else Reflect.deleteProperty(globalThis, 'window');
+  });
+
+  it('defaults absent exclusions and provider groups without swallowing other errors', async () => {
+    for (const [path, key, empty] of [
+      ['/oauth-excluded-models', 'oauth-excluded-models', {}],
+      ['/codex-api-key', 'codex-api-key', []],
+      ['/openai-compatibility', 'openai-compatibility', []],
+    ] as const) {
+      mockIPC(() => { throw 'Management API error (404): not_found'; });
+      expect(await managementApi.get(path)).toEqual({ [key]: empty });
+      for (const message of [
+        'Management API error (401): unauthorized',
+        'Management API error (404): 404 page not found',
+        'Management API request failed: connection refused',
+      ]) {
+        mockIPC(() => { throw new Error(message); });
+        await expect(managementApi.get(path)).rejects.toThrow(message);
+      }
+    }
+  });
+});
 
 describe('apiCallErrorMessage', () => {
   it('从对象和 JSON 字符串错误体中提取可读消息', () => {
@@ -18,3 +57,62 @@ describe('apiCallErrorMessage', () => {
     expect(apiCallErrorMessage({ status_code: 429 })).toBe('Upstream returned HTTP 429');
   });
 });
+
+describe('v8 Management API compatibility view', () => {
+  it('flattens grouped credentials and preserves per-key overrides', () => {
+    const groups = [{
+      name: 'production',
+      'base-url': 'https://example.test/v1',
+      priority: 10,
+      models: [{ name: 'model-a' }],
+      keys: [
+        { 'api-key': 'first', priority: null, 'proxy-url': 'direct' },
+        { 'api-key': 'second', priority: 0 },
+      ],
+    }];
+    expect(flattenV8ProviderGroups('codex', groups)).toEqual([
+      {
+        'base-url': 'https://example.test/v1', priority: 10,
+        models: [{ name: 'model-a' }], 'api-key': 'first', 'proxy-url': 'direct',
+      },
+      {
+        'base-url': 'https://example.test/v1', priority: 0,
+        models: [{ name: 'model-a' }], 'api-key': 'second',
+      },
+    ]);
+  });
+
+  it('groups legacy records without moving key-specific fields into shared policy', () => {
+    expect(groupLegacyProviderRecords('claude', [{
+      name: 'delegated-key',
+      'api-key': 'secret',
+      'base-url': 'https://claude.test',
+      models: [{ name: 'claude-test' }],
+      cloak: { mode: 'always' },
+    }])).toEqual([{
+      name: 'claude-1',
+      'base-url': 'https://claude.test',
+      models: [{ name: 'claude-test' }],
+      keys: [{ name: 'delegated-key', 'api-key': 'secret', cloak: { mode: 'always' } }],
+    }]);
+  });
+
+  it('projects the v8 config tree into the legacy semantic view used by the UI', () => {
+    const view = legacyManagementConfigView({
+      access: { 'api-keys': ['client-key'] },
+      'api-keys': {
+        codex: [{ name: 'codex-1', keys: [{ 'api-key': 'upstream-key' }] }],
+        'openai-compatibility': [{ name: 'openrouter', keys: [{ 'api-key': 'openrouter-key' }] }],
+      },
+      oauth: { 'model-alias': { codex: [{ name: 'gpt', alias: 'custom' }] } },
+      requests: { payload: { override: [] } },
+    }) as Record<string, unknown>;
+    expect(view['api-keys']).toEqual(['client-key']);
+    expect(view['codex-api-key']).toEqual([{ 'api-key': 'upstream-key' }]);
+    expect(view['openai-compatibility']).toEqual([{
+      name: 'openrouter', 'api-key-entries': [{ 'api-key': 'openrouter-key' }],
+    }]);
+    expect(view['oauth-model-alias']).toEqual({ codex: [{ name: 'gpt', alias: 'custom' }] });
+    expect(view.payload).toEqual({ override: [] });
+  });
+});
diff --git a/tests/quotaConfirmation.test.ts b/tests/quotaConfirmation.test.ts
index 46013c2..45e64a6 100644
--- a/tests/quotaConfirmation.test.ts
+++ b/tests/quotaConfirmation.test.ts
@@ -26,7 +26,7 @@ beforeEach(() => {
   mockIPC((command, payload) => {
     if (command !== 'management_request') throw new Error('Unexpected IPC command: ' + command);
     const request = (payload as { request: { path: string; body: { url: string; method: string } } }).request;
-    expect(request.path).toBe('/api-call');
+    expect(request.path).toBe('/requests/api-call');
     upstreamCalls.push(request.body);
     if (request.body.url.endsWith('/consume') && consumeError) return { status_code: 409, body: 'reset denied' };
     if (request.body.url.endsWith('/usage') && refreshError) return { status_code: 503, body: 'usage unavailable' };