docs: fix some broken links (#1567)

* Fix path for TitleMiddleware implementation

* Fix link to Provisioner Setup Guide in CONFIGURATION.md

* Update file path for TitleMiddleware implementation

* Update image paths in Leica photography article

backend/docs/AUTO_TITLE_GENERATION.md

@@ -246,7 +246,7 @@ def after_agent(self, state: TitleMiddlewareState, runtime: Runtime) -> dict | N
 ## 相关文件
 
 - [`packages/harness/deerflow/agents/thread_state.py`](../packages/harness/deerflow/agents/thread_state.py) - ThreadState 定义
-- [`packages/harness/deerflow/agents/title_middleware.py`](../packages/harness/deerflow/agents/title_middleware.py) - TitleMiddleware 实现
+- [`packages/harness/deerflow/agents/middlewares/title_middleware.py`](../packages/harness/deerflow/agents/middlewares/title_middleware.py) - TitleMiddleware 实现
 - [`packages/harness/deerflow/config/title_config.py`](../packages/harness/deerflow/config/title_config.py) - 配置管理
 - [`config.yaml`](../config.yaml) - 配置文件
 - [`packages/harness/deerflow/agents/lead_agent/agent.py`](../packages/harness/deerflow/agents/lead_agent/agent.py) - Middleware 注册

backend/docs/CONFIGURATION.md

@@ -229,7 +229,7 @@ sandbox:
 
 When using Docker development (`make docker-start`), DeerFlow starts the `provisioner` service only if this provisioner mode is configured. In local or plain Docker sandbox modes, `provisioner` is skipped.
 
-See [Provisioner Setup Guide](docker/provisioner/README.md) for detailed configuration, prerequisites, and troubleshooting.
+See [Provisioner Setup Guide](../../docker/provisioner/README.md) for detailed configuration, prerequisites, and troubleshooting.
 
 Choose between local execution or Docker-based isolation:
 

backend/docs/TITLE_GENERATION_IMPLEMENTATION.md

@@ -13,7 +13,7 @@
 - ✅ 提供 `get_title_config()` 和 `set_title_config()` 函数
 - ✅ 提供 `load_title_config_from_dict()` 从配置文件加载
 
-#### [`packages/harness/deerflow/agents/title_middleware.py`](../packages/harness/deerflow/agents/title_middleware.py) (新建)
+#### [`packages/harness/deerflow/agents/middlewares/title_middleware.py`](../packages/harness/deerflow/agents/middlewares/title_middleware.py) (新建)
 - ✅ 创建 `TitleMiddleware` 类
 - ✅ 实现 `_should_generate_title()` 检查是否需要生成
 - ✅ 实现 `_generate_title()` 调用 LLM 生成标题

frontend/public/demo/threads/7f9dc56c-e49c-4671-a3d2-c492ff4dce0c/user-data/outputs/leica-master-photography-article.md

@@ -32,7 +32,7 @@ Even with digital Leicas, photographers often emulate film characteristics: natu
 
 ### Image 1: Parisian Decisive Moment
 
-![Paris Decisive Moment](/mock/api/threads/7f9dc56c-e49c-4671-a3d2-c492ff4dce0c/artifacts/mnt/user-data/outputs/leica-paris-decisive-moment.jpg)
+![Paris Decisive Moment](/frontend/public/demo/threads/7f9dc56c-e49c-4671-a3d2-c492ff4dce0c/user-data/outputs/leica-paris-decisive-moment.jpg)
 
 This image captures the essence of Cartier-Bresson's philosophy. A woman in a red coat leaps over a puddle while a cyclist passes in perfect synchrony. The composition follows the rule of thirds, with the subject positioned at the intersection of grid lines. Shot with a simulated Leica M11 and 35mm Summicron lens at f/2.8, the image features shallow depth of field, natural film grain, and the warm, muted color palette characteristic of Leica photography.
 
@@ -40,7 +40,7 @@ The "decisive moment" here isn't just about timing—it's about the alignment of
 
 ### Image 2: Tokyo Night Reflections
 
-![Tokyo Night Scene](/mock/api/threads/7f9dc56c-e49c-4671-a3d2-c492ff4dce0c/artifacts/mnt/user-data/outputs/leica-tokyo-night.jpg)
+![Tokyo Night Scene](/frontend/public/demo/threads/7f9dc56c-e49c-4671-a3d2-c492ff4dce0c/user-data/outputs/leica-tokyo-night.jpg)
 
 Moving to Shinjuku, Tokyo, this image explores the atmospheric possibilities of Leica's legendary Noctilux lens. Simulating a Leica M10-P with a 50mm f/0.95 Noctilux wide open, the image creates extremely shallow depth of field with beautiful bokeh balls from neon signs reflected in wet pavement.
 
@@ -48,7 +48,7 @@ A salaryman waits under glowing kanji signs, steam rising from a nearby ramen sh
 
 ### Image 3: New York City Candid
 
-![NYC Candid Scene](/mock/api/threads/7f9dc56c-e49c-4671-a3d2-c492ff4dce0c/artifacts/mnt/user-data/outputs/leica-nyc-candid.jpg)
+![NYC Candid Scene](/frontend/public/demo/threads/7f9dc56c-e49c-4671-a3d2-c492ff4dce0c/user-data/outputs/leica-nyc-candid.jpg)
 
 This Chinatown scene demonstrates the documentary power of Leica's Q2 camera with its fixed 28mm Summilux lens. The wide angle captures environmental context while maintaining intimate proximity to the subjects. A fishmonger hands a live fish to a customer while tourists photograph the scene—a moment of cultural contrast and authentic urban life.