chore(release): bump version to 1.3.1-6 (Beta)

PR #425 合并后 bump。本版本相对 v1.3.1-5-beta 累积：

[胶囊动画]
- 入场 .26s → .38s，cubic-bezier(.16,.86,.32,1.18) 更强 spring overshoot
- 出场 .24s → .36s（EXIT_ANIM_MS 同步加到 360），cubic-bezier(.55,.06,.68,.19)
  慢启动加速收尾的平滑曲线，让用户能看清"左右收缩 + 下移 + 淡出"
- thinking 字号 14 → 17，字重 500 → 700，浅亮黄底字 + 深蓝扫光

[LocalAsr Windows Qwen3]
- 删除顶部"白底显眼"提示 banner（已 inert + 灰显，banner 多余）
- Windows 列表为空时不再画 placeholder Card，简化为空白占位
- 千问3 ASR 标题加 amber 小 badge "实验性"
- 5 个 locale 新加 i18n key qwenExperimentalBadge

[polish prompt 反 AI 自述]
- OUTPUT_BLOCK 新加"# 反 AI 自述式表达（强约束）"：禁词列表 +
  保持原句人称视角 + 直陈原意不扩写
- Light task 加"工程化直陈"段
- Formal task 加"工程化正式"段（不展开为商务铺垫）
- Structured task 加"判断事项的标准"4 种独立事项形态，事项 ≥3 强制双层
  即使输入听起来像顺着说下来的口播

openless-all/app/package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "openless-app",
-  "version": "1.3.1-5",
+  "version": "1.3.1-6",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "openless-app",
-      "version": "1.3.1-5",
+      "version": "1.3.1-6",
       "dependencies": {
         "@tauri-apps/api": "^2.1.1",
         "@tauri-apps/plugin-autostart": "^2.5.1",

openless-all/app/package.json

@@ -1,7 +1,7 @@
 {
   "name": "openless-app",
   "private": true,
-  "version": "1.3.1-5",
+  "version": "1.3.1-6",
   "type": "module",
   "scripts": {
     "dev": "vite",

openless-all/app/src-tauri/Cargo.lock

@@ -3751,7 +3751,7 @@ dependencies = [
 
 [[package]]
 name = "openless"
-version = "1.3.1-5"
+version = "1.3.1-6"
 dependencies = [
  "anyhow",
  "arboard",

openless-all/app/src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "openless"
-version = "1.3.1-5"
+version = "1.3.1-6"
 description = "OpenLess — local voice input that types where your cursor is"
 authors = ["OpenLess"]
 edition = "2021"

openless-all/app/src-tauri/tauri.conf.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "OpenLess",
-  "version": "1.3.1-5",
+  "version": "1.3.1-6",
   "identifier": "com.openless.app",
   "build": {
     "beforeDevCommand": "npm run dev",