chore: bump version to 0.4.0

.gitignore

@@ -162,6 +162,7 @@ storage/*
 data/*
 docs/rules/*
 frontend/public/vendor/lobehub-icons/
+frontend/public/vendor/modern-screenshot/
 frontend/public/pwa/generated/
 docker-compose.local.yml
 

README.md

@@ -30,7 +30,7 @@ DEEIX Chat is an open-source, deployable AI platform for individuals, teams, and
 
 The system is designed around simple deployment, efficient static delivery, and a low runtime resource footprint: lightweight without feeling limited, restrained without losing capability, and open without becoming disorderly.
 
-![DEEIX Chat workspace](./frontend/public/DEEIX-Chat.jpg)
+![DEEIX Chat workspace](./docs/assets/screenshots/DEEIX-Chat.jpg)
 
 ## Features
 
@@ -48,14 +48,14 @@ The system is designed around simple deployment, efficient static delivery, and
 | Deployment and operations | Single-runtime frontend/API serving, Docker deployment, SQLite or PostgreSQL, in-memory cache or Redis, S3-compatible storage, Swagger, structured logs, version endpoint, GeoIP, and OpenTelemetry. |
 
 <p align="center">
-  <img src="./frontend/public/DEEIX-Chat-Image.png" alt="DEEIX Chat image generation" width="49.45%" />
-  <img src="./frontend/public/DEEIX-Chat-Dark.png" alt="DEEIX Chat dark mode" width="49.45%" />
+  <img src="./docs/assets/screenshots/DEEIX-Chat-Image.png" alt="DEEIX Chat image generation" width="49.45%" />
+  <img src="./docs/assets/screenshots/DEEIX-Chat-Dark.png" alt="DEEIX Chat dark mode" width="49.45%" />
 </p>
 
 <p align="center">
-  <img src="./frontend/public/DEEIX-Chat-Usage.png" alt="DEEIX Chat usage and billing" width="32.3%" />
-  <img src="./frontend/public/DEEIX-Chat-Artifacts.png" alt="DEEIX Chat artifacts" width="32.3%" />
-  <img src="./frontend/public/DEEIX-Chat-Html.png" alt="DEEIX Chat HTML rendering" width="32.3%" />
+  <img src="./docs/assets/screenshots/DEEIX-Chat-Usage.png" alt="DEEIX Chat usage and billing" width="32.3%" />
+  <img src="./docs/assets/screenshots/DEEIX-Chat-Artifacts.png" alt="DEEIX Chat artifacts" width="32.3%" />
+  <img src="./docs/assets/screenshots/DEEIX-Chat-Html.png" alt="DEEIX Chat HTML rendering" width="32.3%" />
 </p>
 
 ## Architecture and Tech Stack

VERSION

@@ -1 +1 @@
-0.3.6
+0.4.0

backend/README.md

@@ -279,7 +279,7 @@ OCR 引擎配置由后台文件设置管理，当前支持 RapidOCR、Tesseract
 
 模型与上游两级熔断默认关闭，可在后台模型管理页统一开启。旧版本的 `circuit_breaker.defaults` 设置没有 `enabled` 字段时同样按关闭处理，不需要逐个模型调整阈值。
 
-关闭后，路由不会读取熔断状态，也不会因上游失败累计并触发自动熔断；HTTP 429 的短期限流退避仍独立生效。重新开启前必须成功清理已有模型与上游熔断状态和失败计数；关闭后的清理由系统尽力执行。最近成功/失败健康元数据、API Key 轮询状态与限流状态不会被清理。
+关闭后，路由不会读取熔断状态，也不会因上游失败累计并触发自动熔断；HTTP 429 的路由级短期退避仍独立生效。退避优先采用上游 `Retry-After`，没有有效响应头时使用有上限的指数退避；同一上游的其他路由不会被连带暂停，成功请求会清除对应路由的累计退避。重新开启熔断前必须成功清理已有模型与上游熔断状态和失败计数；关闭后的清理由系统尽力执行。最近成功/失败健康元数据、API Key 轮询状态与限流状态不会被清理。
 
 ## 上游动态请求头
 

backend/cmd/server/main.go

@@ -9,7 +9,7 @@ import (
 )
 
 // @title DEEIX Chat API
-// @version 0.3.6
+// @version 0.4.0
 // @description DEEIX Chat 后端 API 文档
 // @BasePath /api/v1
 // @securityDefinitions.apikey BearerAuth