```

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/inbound.py

@@ -0,0 +1,52 @@
+from socket import gethostname
+from typing import Any
+
+from app.application.feishu.events import FeishuEventService
+from app.core.constants import ActorValue
+from app.core.database import SessionLocal
+from app.modules.feishu.constants import FEISHU_INBOUND_BATCH_SIZE
+
+
+def process_feishu_inbound_event(
+    event_key: str,
+    *,
+    actor: str = ActorValue.WORKER,
+) -> dict[str, Any]:
+    """Process one durable Feishu inbox row in an isolated session."""
+
+    db = SessionLocal()
+    try:
+        outcome = FeishuEventService(db).process_inbound_event(
+            event_key,
+            worker_id=f"{actor}:{gethostname()}",
+        )
+        return _serialize_outcome(outcome)
+    finally:
+        db.close()
+
+
+def process_due_feishu_inbound_events(
+    *,
+    limit: int = FEISHU_INBOUND_BATCH_SIZE,
+    actor: str = ActorValue.WORKER,
+) -> list[dict[str, Any]]:
+    """Recover due retries and expired Feishu inbox leases."""
+
+    db = SessionLocal()
+    try:
+        outcomes = FeishuEventService(db).process_due_inbound_events(
+            limit=limit,
+            worker_id=f"{actor}:{gethostname()}",
+        )
+        return [_serialize_outcome(outcome) for outcome in outcomes]
+    finally:
+        db.close()
+
+
+def _serialize_outcome(outcome: Any) -> dict[str, Any]:
+    return {
+        "event_key": outcome.record.event_key,
+        "status": outcome.record.status,
+        "attempt_count": outcome.record.attempt_count,
+        "handled": outcome.handler_result is not None,
+    }