feat: Implement Homelab Automation API v2, introducing a new dashboard, comprehensive backend models, and API routes.

app/routes/alerts.py

@@ -30,34 +30,45 @@ async def create_alert(
     db_session: AsyncSession = Depends(get_db)
 ):
     """Crée une nouvelle alerte."""
-    repo = AlertRepository(db_session)
-    alert = await repo.create(
-        category=alert_data.category,
-        level=alert_data.level,
-        title=alert_data.title,
-        message=alert_data.message,
-        source=alert_data.source,
-    )
-    await db_session.commit()
-    
-    await ws_manager.broadcast({
-        "type": "alert_created",
-        "data": {
+    try:
+        repo = AlertRepository(db_session)
+        alert = await repo.create(
+            category=alert_data.category,
+            level=alert_data.level,
+            title=alert_data.title,
+            message=alert_data.message,
+            source=alert_data.source,
+        )
+        
+        await db_session.refresh(alert)
+        
+        # Access attributes before commit to avoid MissingGreenlet on async lazy loading
+        alert_dict = {
             "id": alert.id,
             "title": alert.title,
             "message": alert.message,
             "level": alert.level,
+            "category": alert.category,
+            "created_at": alert.created_at,
         }
-    })
-    
-    return {
-        "id": alert.id,
-        "title": alert.title,
-        "message": alert.message,
-        "level": alert.level,
-        "category": alert.category,
-        "created_at": alert.created_at,
-    }
+        
+        await db_session.commit()
+        
+        await ws_manager.broadcast({
+            "type": "alert_created",
+            "data": {
+                "id": alert_dict["id"],
+                "title": alert_dict["title"],
+                "message": alert_dict["message"],
+                "level": alert_dict["level"],
+            }
+        })
+        
+        return alert_dict
+    except Exception as e:
+        import traceback
+        traceback.print_exc()
+        raise HTTPException(status_code=500, detail=str(e))
 
 
 @router.get("")

app/routes/terminal.py

@@ -624,7 +624,6 @@ async def create_terminal_session(
 
     if existing_session:
         await session_repo.update_last_seen(existing_session.id)
-        await db_session.commit()
 
         terminal_service.record_session_created(reused=True)
         logger.info(f"session_reused session={existing_session.id[:8]}... user={username} host={host.name}")