```

feat(feishu): 添加飞书入站事件inbox和混合数据库协调功能

- 实现飞书入站事件持久化inbox机制，支持状态管理、租约锁定和重试退避
- 添加混合数据库基线协调工具，确保平台PostgreSQL结构安全对齐
- 增加运行组件心跳检测和readiness就绪检查机制
- 实现app_ticket事件的安全轮换和验证处理
- 添加生产环境运行编排和fail-closed安全机制
- 支持webhook快速确认和长连接独立进程处理
- 完善个人数据擦除时的待处理事件清理功能
```

app/application/feishu/commands.py

@@ -65,19 +65,44 @@ FINANCE_COMMAND_PREFIXES = ("资金需求", "未来30天资金需求", "项目
 def _parse_content_text(content: Any) -> str:
     """Extract plain command text from a Feishu message content payload."""
 
-    if isinstance(content, dict):
-        return str(
-            content.get(FeishuPayloadKey.TEXT) or content.get(FeishuPayloadKey.CONTENT) or ""
-        )
     if not isinstance(content, str):
-        return ""
+        return _structured_content_text(content)
     try:
         data = json.loads(content)
     except json.JSONDecodeError:
         return content
-    if isinstance(data, dict):
-        return str(data.get(FeishuPayloadKey.TEXT) or data.get(FeishuPayloadKey.CONTENT) or "")
-    return content
+    return _structured_content_text(data)
+
+
+def _structured_content_text(value: Any) -> str:
+    """Flatten Feishu text and rich-post content without stringifying metadata."""
+
+    if isinstance(value, str):
+        return value
+    if isinstance(value, list):
+        separator = "\n" if any(isinstance(item, list) for item in value) else ""
+        return separator.join(
+            text
+            for item in value
+            if (text := _structured_content_text(item))
+        )
+    if not isinstance(value, dict):
+        return ""
+
+    tag = str(value.get("tag") or "").strip().lower()
+    if tag == "br":
+        return "\n"
+    if tag == "at":
+        # Authorization uses the event's structured mentions, not display text.
+        return " "
+
+    text_value = value.get(FeishuPayloadKey.TEXT)
+    if isinstance(text_value, str):
+        return text_value
+    if FeishuPayloadKey.CONTENT in value:
+        return _structured_content_text(value.get(FeishuPayloadKey.CONTENT))
+    title = value.get("title")
+    return title if isinstance(title, str) else ""
 
 
 def _clean_command_text(text: str) -> str: