Epic 1: WS multi-session, task events broadcast, REST auth middleware, heartbeat fix

src/tracker/api/messages.py

@@ -150,7 +150,7 @@ async def create_message(req: MessageCreate, db: AsyncSession = Depends(get_db))
         elif chat and chat.kind == "lobby":
             await manager.broadcast_all(
                 {"type": "message.new", "data": msg_data},
-                exclude=msg.author_slug,
+                exclude_slug=msg.author_slug,
             )
             return _message_out(msg)
 
@@ -159,7 +159,7 @@ async def create_message(req: MessageCreate, db: AsyncSession = Depends(get_db))
     else:
         await manager.broadcast_all(
             {"type": "message.new", "data": msg_data},
-            exclude=msg.author_slug,
+            exclude_slug=msg.author_slug,
         )
 
     return _message_out(msg)

src/tracker/api/tasks.py

@@ -246,8 +246,12 @@ async def update_task(task_id: str, req: TaskUpdate, db: AsyncSession = Depends(
 @router.delete("/tasks/{task_id}")
 async def delete_task(task_id: str, db: AsyncSession = Depends(get_db)):
     task = await _get_task(task_id, db)
+    project_id = str(task.project_id)
+    task_data = {"id": str(task.id), "project_id": project_id}
     await db.delete(task)
     await db.commit()
+    from tracker.ws.manager import manager
+    await manager.broadcast_task_event(project_id, "task.deleted", task_data)
     return {"ok": True}
 
 
@@ -286,6 +290,10 @@ async def reject_task(task_id: str, req: RejectRequest, db: AsyncSession = Depen
     task.assignee_slug = None
     task.status = "todo"
     await db.commit()
+    from tracker.ws.manager import manager
+    await manager.broadcast_task_event(str(task.project_id), "task.updated", {
+        "id": str(task.id), "status": "todo", "assignee_slug": None,
+    })
     return {"ok": True, "reason": req.reason, "old_assignee": old_assignee}
 
 

src/tracker/app.py

@@ -12,8 +12,10 @@ from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import JSONResponse
 
 from tracker.config import settings
-from tracker.database import engine
-from tracker.models import Base
+from tracker.database import engine, async_session
+from tracker.models import Base, Member
+
+from sqlalchemy import select, update
 
 logging.basicConfig(
     level=logging.DEBUG if settings.env == "dev" else logging.INFO,
@@ -25,45 +27,31 @@ logger = logging.getLogger("tracker")
 async def heartbeat_monitor():
     """Monitor heartbeat timeout — set status=offline after 90 seconds."""
     from tracker.ws.manager import manager
-    from tracker.database import async_session
-    from tracker.models import Member
     from datetime import datetime, timezone, timedelta
-    from sqlalchemy import select, update
 
     while True:
         try:
-            await asyncio.sleep(30)  # check every 30 seconds
-            
-            # Get clients with last heartbeat timeout
+            await asyncio.sleep(30)
             timeout_threshold = datetime.now(timezone.utc) - timedelta(seconds=90)
-            timed_out_clients = []
-            
-            for slug, client in list(manager.clients.items()):
-                if not hasattr(client, 'last_heartbeat'):
-                    client.last_heartbeat = datetime.now(timezone.utc)
-                    continue
+            timed_out = []
 
+            for session_id, client in list(manager.sessions.items()):
                 if client.last_heartbeat < timeout_threshold:
-                    timed_out_clients.append(slug)
+                    timed_out.append(session_id)
 
-            if timed_out_clients:
+            for session_id in timed_out:
+                client = await manager.disconnect(session_id)
+                if client and not manager.is_online(client.member_slug):
                     async with async_session() as db:
-                    # Update status to offline
                         await db.execute(
-                        update(Member)
-                        .where(Member.slug.in_(timed_out_clients))
-                        .values(status="offline")
+                            update(Member).where(Member.slug == client.member_slug).values(status="offline")
                         )
                         await db.commit()
-                
-                # Broadcast status changes and disconnect
-                for slug in timed_out_clients:
                     await manager.broadcast_all(
-                        {"type": "agent.status", "data": {"slug": slug, "status": "offline"}},
-                        exclude=slug,
+                        {"type": "agent.status", "data": {"slug": client.member_slug, "status": "offline"}},
+                        exclude_slug=client.member_slug,
                     )
-                    await manager.disconnect(slug)
-                    logger.info("Heartbeat timeout: %s set offline", slug)
+                    logger.info("Heartbeat timeout: %s set offline", client.member_slug)
 
         except Exception as e:
             logger.error("Heartbeat monitor error: %s", e)
@@ -71,18 +59,13 @@ async def heartbeat_monitor():
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
-    """Create tables on startup (dev mode only)."""
     if settings.env == "dev":
         async with engine.begin() as conn:
             await conn.run_sync(Base.metadata.create_all)
         logger.info("Database tables ensured.")
 
-    # Start heartbeat monitor
     heartbeat_task = asyncio.create_task(heartbeat_monitor())
-    
     yield
-    
-    # Cleanup
     heartbeat_task.cancel()
     try:
         await heartbeat_task
@@ -97,6 +80,45 @@ app = FastAPI(
     lifespan=lifespan,
 )
 
+# Paths that don't require auth
+NO_AUTH_PATHS = {"/health", "/docs", "/openapi.json", "/ws"}
+
+
+@app.middleware("http")
+async def auth_middleware(request: Request, call_next):
+    """Verify token for REST API requests."""
+    path = request.url.path
+
+    # Skip auth for non-API paths and excluded paths
+    if not path.startswith("/api/") and path not in NO_AUTH_PATHS:
+        # WS and health don't need REST auth
+        pass
+    elif path.startswith("/api/"):
+        auth_header = request.headers.get("authorization", "")
+        if auth_header.startswith("Bearer "):
+            token = auth_header[7:]
+            # Check agent token
+            async with async_session() as db:
+                result = await db.execute(select(Member).where(Member.token == token))
+                member = result.scalar_one_or_none()
+                if member:
+                    request.state.member = member
+                else:
+                    # Try JWT
+                    from tracker.api.auth import decode_jwt
+                    try:
+                        payload = decode_jwt(token)
+                        result = await db.execute(select(Member).where(Member.id == payload["sub"]))
+                        member = result.scalar_one_or_none()
+                        if member:
+                            request.state.member = member
+                    except Exception:
+                        pass
+            # Don't enforce auth yet — BFF uses its own token via proxy
+            # TODO: enforce when all clients are updated
+
+    return await call_next(request)
+
 
 @app.middleware("http")
 async def log_requests(request: Request, call_next):
@@ -124,12 +146,12 @@ async def log_requests(request: Request, call_next):
 # CORS
 app.add_middleware(
     CORSMiddleware,
-    allow_origins=["https://team.uix.su", "http://localhost:3100"],
+    allow_origins=["https://team.uix.su", "https://dev.team.uix.su", "http://localhost:3100"],
     allow_methods=["*"],
     allow_headers=["*"],
 )
 
-# Import and register routers (lazy to avoid circular imports)
+# Routers
 from tracker.api import auth, members, projects, tasks, messages, steps  # noqa: E402
 from tracker.ws.handler import router as ws_router  # noqa: E402
 

src/tracker/ws/handler.py

@@ -18,7 +18,7 @@ router = APIRouter()
 @router.websocket("/ws")
 async def websocket_endpoint(ws: WebSocket):
     await ws.accept()
-    slug = None
+    session_id = None
 
     try:
         # Wait for auth message
@@ -30,60 +30,61 @@ async def websocket_endpoint(ws: WebSocket):
 
         token = auth_msg.get("token", "")
         on_behalf_of = auth_msg.get("on_behalf_of")
-        slug = await _authenticate(ws, token, on_behalf_of=on_behalf_of)
-        if not slug:
+        session_id = await _authenticate(ws, token, on_behalf_of=on_behalf_of)
+        if not session_id:
             return
 
+        client = manager.sessions.get(session_id)
+        slug = client.member_slug if client else None
+
         # Main loop
         while True:
             data = await ws.receive_json()
             msg_type = data.get("type")
 
             if msg_type == "heartbeat":
-                await _handle_heartbeat(slug, data)
+                await _handle_heartbeat(session_id, data)
 
             elif msg_type == "ack":
-                pass  # acknowledged, no action needed
+                pass
 
             elif msg_type == "chat.send":
-                await _handle_chat_send(slug, data)
+                await _handle_chat_send(session_id, data)
 
             elif msg_type == "project.subscribe":
-                await _handle_subscribe(slug, data)
+                await _handle_subscribe(session_id, data)
 
             elif msg_type == "project.unsubscribe":
-                await _handle_unsubscribe(slug, data)
+                await _handle_unsubscribe(session_id, data)
 
             else:
                 await ws.send_json({"type": "error", "message": f"Unknown type: {msg_type}"})
 
     except WebSocketDisconnect:
-        logger.info("WS disconnect: %s", slug)
+        if session_id:
+            client = manager.sessions.get(session_id)
+            logger.info("WS disconnect: %s", client.member_slug if client else session_id[:8])
     except Exception as e:
-        logger.error("WS error for %s: %s", slug, e)
+        logger.error("WS error session=%s: %s", session_id and session_id[:8], e)
     finally:
-        if slug:
-            await manager.disconnect(slug)
-            # Update status to offline
+        if session_id:
+            client = await manager.disconnect(session_id)
+            if client and not manager.is_online(client.member_slug):
+                # Last session for this slug — mark offline
                 async with async_session() as db:
-                result = await db.execute(select(Member).where(Member.slug == slug))
+                    result = await db.execute(select(Member).where(Member.slug == client.member_slug))
                     member = result.scalar_one_or_none()
                     if member:
                         member.status = "offline"
                         await db.commit()
-            # Notify others
                 await manager.broadcast_all(
-                {"type": "agent.status", "data": {"slug": slug, "status": "offline"}},
-                exclude=slug,
+                    {"type": "agent.status", "data": {"slug": client.member_slug, "status": "offline"}},
+                    exclude_slug=client.member_slug,
                 )
 
 
 async def _authenticate(ws: WebSocket, token: str, on_behalf_of: str | None = None) -> str | None:
-    """Authenticate by token, return slug or None.
-    
-    If on_behalf_of is set and the token belongs to a bridge member,
-    use on_behalf_of slug instead (BFF proxying for web users).
-    """
+    """Authenticate and register session. Returns session_id or None."""
     async with async_session() as db:
         result = await db.execute(
             select(Member).where(Member.token == token).options(selectinload(Member.agent_config))
@@ -91,7 +92,6 @@ async def _authenticate(ws: WebSocket, token: str, on_behalf_of: str | None = No
         member = result.scalar_one_or_none()
 
         if not member:
-            # Try JWT auth (for BFF/web client)
             from tracker.api.auth import decode_jwt
             try:
                 payload = decode_jwt(token)
@@ -108,11 +108,10 @@ async def _authenticate(ws: WebSocket, token: str, on_behalf_of: str | None = No
             await ws.close()
             return None
 
-        # BFF proxy: bridge member can act on behalf of a user
+        # BFF proxy: bridge acts on behalf of user
         effective_slug = member.slug
         effective_type = member.type
         if on_behalf_of and member.type == "bridge":
-            # Look up the actual user
             user_result = await db.execute(
                 select(Member).where(Member.slug == on_behalf_of)
                 .options(selectinload(Member.agent_config))
@@ -121,23 +120,24 @@ async def _authenticate(ws: WebSocket, token: str, on_behalf_of: str | None = No
             if user_member:
                 effective_slug = user_member.slug
                 effective_type = user_member.type
-                member = user_member  # use user's settings
-                logger.info("Bridge %s acting on behalf of %s", member.slug, effective_slug)
+                member = user_member
+                logger.info("Bridge acting on behalf of %s", effective_slug)
             else:
-                # User not found, use a synthetic slug to avoid collisions
-                effective_slug = on_behalf_of
-                logger.info("Bridge acting on behalf of unknown user %s", effective_slug)
+                effective_slug = f"web-{on_behalf_of}"
+                logger.info("Bridge acting on behalf of unknown user → %s", effective_slug)
 
-        # Get listen modes
+        # Listen modes
         chat_listen = "all"
         task_listen = "all"
         if member.agent_config:
             chat_listen = member.agent_config.chat_listen
             task_listen = member.agent_config.task_listen
 
-        # Register connection
+        # Register connection with unique session_id
+        session_id = str(uuid.uuid4())
         client = ConnectedClient(
             ws=ws,
+            session_id=session_id,
             member_slug=effective_slug,
             member_type=effective_type,
             chat_listen=chat_listen,
@@ -149,14 +149,13 @@ async def _authenticate(ws: WebSocket, token: str, on_behalf_of: str | None = No
         member.status = "online"
         await db.commit()
 
-        # Get lobby chat + projects with chat_id
+        # Get lobby chat + projects
         lobby = await db.execute(select(Chat).where(Chat.kind == "lobby"))
         lobby_chat = lobby.scalar_one_or_none()
 
         projects = await db.execute(select(Project).where(Project.status == "active"))
         project_list = []
         for p in projects.scalars():
-            # Get project chat
             chat_result = await db.execute(
                 select(Chat).where(Chat.project_id == p.id, Chat.kind == "project")
             )
@@ -168,54 +167,56 @@ async def _authenticate(ws: WebSocket, token: str, on_behalf_of: str | None = No
                 "chat_id": str(chat.id) if chat else None,
             })
 
-        online = list(manager.clients.keys())
-
         await ws.send_json({
             "type": "auth.ok",
             "data": {
                 "slug": effective_slug,
                 "lobby_chat_id": str(lobby_chat.id) if lobby_chat else None,
                 "projects": project_list,
-                "online": online,
+                "online": manager.online_slugs,
             },
         })
 
         # Notify others
         await manager.broadcast_all(
-            {"type": "agent.status", "data": {"slug": member.slug, "status": "online"}},
-            exclude=member.slug,
+            {"type": "agent.status", "data": {"slug": effective_slug, "status": "online"}},
+            exclude_slug=effective_slug,
         )
 
-        return member.slug
+        return session_id
 
 
-async def _handle_heartbeat(slug: str, data: dict):
-    """Update member status from heartbeat."""
+async def _handle_heartbeat(session_id: str, data: dict):
+    """Update heartbeat timestamp."""
     from datetime import datetime, timezone
 
-    status = data.get("status", "online")
+    client = manager.sessions.get(session_id)
+    if not client:
+        return
 
-    # Update last heartbeat timestamp
-    client = manager.clients.get(slug)
-    if client:
+    status = data.get("status", "online")
     client.last_heartbeat = datetime.now(timezone.utc)
 
     async with async_session() as db:
-        result = await db.execute(select(Member).where(Member.slug == slug))
+        result = await db.execute(select(Member).where(Member.slug == client.member_slug))
         member = result.scalar_one_or_none()
         if member:
             member.status = status
             await db.commit()
 
-            # Broadcast status change if different
     await manager.broadcast_all(
-                {"type": "agent.status", "data": {"slug": slug, "status": status}},
-                exclude=slug,
+        {"type": "agent.status", "data": {"slug": client.member_slug, "status": status}},
+        exclude_slug=client.member_slug,
     )
 
 
-async def _handle_chat_send(slug: str, data: dict):
+async def _handle_chat_send(session_id: str, data: dict):
     """Handle chat message sent via WS."""
+    client = manager.sessions.get(session_id)
+    if not client:
+        return
+
+    slug = client.member_slug
     chat_id = data.get("chat_id")
     task_id = data.get("task_id")
     content = data.get("content", "")
@@ -225,7 +226,6 @@ async def _handle_chat_send(slug: str, data: dict):
         return
 
     async with async_session() as db:
-        # Get sender info
         result = await db.execute(select(Member).where(Member.slug == slug))
         member = result.scalar_one_or_none()
         if not member:
@@ -263,40 +263,38 @@ async def _handle_chat_send(slug: str, data: dict):
             if chat and chat.project_id:
                 project_id = str(chat.project_id)
             elif chat and chat.kind == "lobby":
-                # Lobby — broadcast to all
                 await manager.broadcast_all(
                     {"type": "message.new", "data": msg_data},
-                    exclude=slug,
+                    exclude_slug=slug,
                 )
                 return
 
         if project_id:
             await manager.broadcast_message(project_id, msg_data, author_slug=slug)
         else:
-            # Task comment or unlinked — broadcast to all
             await manager.broadcast_all(
                 {"type": "message.new", "data": msg_data},
-                exclude=slug,
+                exclude_slug=slug,
             )
 
 
-async def _handle_subscribe(slug: str, data: dict):
-    """Subscribe to a project's events."""
+async def _handle_subscribe(session_id: str, data: dict):
+    """Subscribe this session to project events."""
     project_id = data.get("project_id")
     if not project_id:
         return
-    client = manager.clients.get(slug)
+    client = manager.sessions.get(session_id)
     if client:
         client.subscribed_projects.add(project_id)
-        logger.info("%s subscribed to project %s", slug, project_id)
+        logger.info("%s subscribed to project %s", client.member_slug, project_id)
 
 
-async def _handle_unsubscribe(slug: str, data: dict):
-    """Unsubscribe from a project."""
+async def _handle_unsubscribe(session_id: str, data: dict):
+    """Unsubscribe this session from project events."""
     project_id = data.get("project_id")
     if not project_id:
         return
-    client = manager.clients.get(slug)
+    client = manager.sessions.get(session_id)
     if client:
         client.subscribed_projects.discard(project_id)
-        logger.info("%s unsubscribed from project %s", slug, project_id)
+        logger.info("%s unsubscribed from project %s", client.member_slug, project_id)

src/tracker/ws/manager.py

@@ -1,6 +1,7 @@
-"""WebSocket connection manager with project subscriptions and filtering."""
+"""WebSocket connection manager with multi-session support."""
 
 import logging
+import uuid
 from dataclasses import dataclass, field
 from datetime import datetime, timezone
 
@@ -12,83 +13,119 @@ logger = logging.getLogger("tracker.ws")
 @dataclass
 class ConnectedClient:
     ws: WebSocket
+    session_id: str  # unique per connection
     member_slug: str
     member_type: str  # human | agent | bridge
     chat_listen: str = "all"  # all | mentions | none
     task_listen: str = "all"  # all | mentions | none
-    subscribed_projects: set[str] = field(default_factory=set)  # project_ids
+    subscribed_projects: set[str] = field(default_factory=set)
     last_heartbeat: datetime = field(default_factory=lambda: datetime.now(timezone.utc))
 
 
 class ConnectionManager:
     def __init__(self):
-        self.clients: dict[str, ConnectedClient] = {}  # slug → client
+        # session_id → client (one entry per WS connection)
+        self.sessions: dict[str, ConnectedClient] = {}
+        # slug → set of session_ids (for quick lookup)
+        self.slug_sessions: dict[str, set[str]] = {}
 
     async def connect(self, client: ConnectedClient):
-        self.clients[client.member_slug] = client
-        logger.info("WS connected: %s (%s)", client.member_slug, client.member_type)
+        self.sessions[client.session_id] = client
+        if client.member_slug not in self.slug_sessions:
+            self.slug_sessions[client.member_slug] = set()
+        self.slug_sessions[client.member_slug].add(client.session_id)
+        logger.info("WS connected: %s session=%s (%s)", client.member_slug, client.session_id[:8], client.member_type)
 
-    async def disconnect(self, slug: str):
-        if slug in self.clients:
-            del self.clients[slug]
-            logger.info("WS disconnected: %s", slug)
+    async def disconnect(self, session_id: str):
+        client = self.sessions.pop(session_id, None)
+        if client:
+            slug_set = self.slug_sessions.get(client.member_slug)
+            if slug_set:
+                slug_set.discard(session_id)
+                if not slug_set:
+                    del self.slug_sessions[client.member_slug]
+            logger.info("WS disconnected: %s session=%s", client.member_slug, session_id[:8])
+        return client
 
-    async def send_to(self, slug: str, data: dict):
-        """Send to specific client."""
-        client = self.clients.get(slug)
+    def get_sessions_for_slug(self, slug: str) -> list[ConnectedClient]:
+        """Get all active sessions for a member slug."""
+        session_ids = self.slug_sessions.get(slug, set())
+        return [self.sessions[sid] for sid in session_ids if sid in self.sessions]
+
+    def is_online(self, slug: str) -> bool:
+        return bool(self.slug_sessions.get(slug))
+
+    @property
+    def online_slugs(self) -> list[str]:
+        return list(self.slug_sessions.keys())
+
+    async def send_to_session(self, session_id: str, data: dict):
+        """Send to a specific session."""
+        client = self.sessions.get(session_id)
         if client:
             try:
                 await client.ws.send_json(data)
             except Exception:
-                await self.disconnect(slug)
+                await self.disconnect(session_id)
+
+    async def send_to_slug(self, slug: str, data: dict):
+        """Send to ALL sessions of a member."""
+        for client in self.get_sessions_for_slug(slug):
+            try:
+                await client.ws.send_json(data)
+            except Exception:
+                await self.disconnect(client.session_id)
 
     async def broadcast_message(self, project_id: str, message: dict, author_slug: str):
-        """Broadcast message.new. Humans get everything, agents filtered by subscription."""
+        """Broadcast message.new. Humans get everything, agents filtered."""
         mentions = message.get("mentions", [])
-        for slug, client in list(self.clients.items()):
-            if slug == author_slug:
+        payload = {"type": "message.new", "data": message}
+
+        for session_id, client in list(self.sessions.items()):
+            if client.member_slug == author_slug:
                 continue
-            # Humans/bridges get ALL messages — filtering on client side
+            # Humans/bridges get ALL messages
             if client.member_type in ("human", "bridge"):
-                await self.send_to(slug, {"type": "message.new", "data": message})
+                await self.send_to_session(session_id, payload)
                 continue
-            # Agents: check subscription + chat_listen
+            # Agents: subscription + chat_listen
             if project_id not in client.subscribed_projects:
                 continue
             if client.chat_listen == "none":
                 continue
-            if client.chat_listen == "mentions" and slug not in mentions:
+            if client.chat_listen == "mentions" and client.member_slug not in mentions:
                 continue
-            await self.send_to(slug, {"type": "message.new", "data": message})
+            await self.send_to_session(session_id, payload)
 
     async def broadcast_task_event(self, project_id: str, event_type: str, data: dict):
         """Broadcast task events. Humans get everything, agents filtered."""
         assignee = data.get("assignee_slug")
         reviewer = data.get("reviewer_slug")
         watchers = data.get("watchers", [])
+        payload = {"type": event_type, "data": data}
 
-        for slug, client in list(self.clients.items()):
+        for session_id, client in list(self.sessions.items()):
             # Humans/bridges get ALL task events
             if client.member_type in ("human", "bridge"):
-                await self.send_to(slug, {"type": event_type, "data": data})
+                await self.send_to_session(session_id, payload)
                 continue
-            # Agents: subscription + task_listen filter
+            # Agents: subscription + task_listen
             if project_id not in client.subscribed_projects:
                 continue
             if client.task_listen == "none":
                 continue
             if client.task_listen == "all":
-                await self.send_to(slug, {"type": event_type, "data": data})
+                await self.send_to_session(session_id, payload)
                 continue
-            if slug in (assignee, reviewer) or slug in watchers:
-                await self.send_to(slug, {"type": event_type, "data": data})
+            if client.member_slug in (assignee, reviewer) or client.member_slug in watchers:
+                await self.send_to_session(session_id, payload)
 
-    async def broadcast_all(self, data: dict, exclude: str | None = None):
-        """Broadcast to all connected clients."""
-        for slug, client in list(self.clients.items()):
-            if slug == exclude:
+    async def broadcast_all(self, data: dict, exclude_slug: str | None = None):
+        """Broadcast to all connected sessions."""
+        for session_id, client in list(self.sessions.items()):
+            if client.member_slug == exclude_slug:
                 continue
-            await self.send_to(slug, data)
+            await self.send_to_session(session_id, data)
 
 
 manager = ConnectionManager()