feat: auto-subscribe на проекты при auth (по membership)

src/tracker/ws/handler.py

@@ -199,6 +199,10 @@ async def _authenticate(ws: WebSocket, token: str, on_behalf_of: str | None = No
                 "chat_id": str(chat.id) if chat else None,
             })
 
+        # Auto-subscribe to all member's projects
+        for p in project_list:
+            client.subscribed_projects.add(p["id"])
+
         await ws.send_json({
             "type": "auth.ok",
             "data": {