feat: MicroDAO Rooms Integration

Backend:
- GET /city/microdao/{slug}/agents - list agents with roles
- Seed: 6 rooms for DAARION, 3+ rooms for each District

Task doc: TASK_PHASE_MICRODAO_ROOMS_INTEGRATION_v1.md

services/city-service/routes_city.py

@@ -2777,6 +2777,71 @@ async def get_microdao_rooms_endpoint(slug: str):
         raise HTTPException(status_code=500, detail="Failed to get microdao rooms")
 
 
+@router.get("/microdao/{slug}/agents")
+async def get_microdao_agents_endpoint(slug: str):
+    """
+    Отримати всіх агентів MicroDAO.
+    Повертає список агентів з їх ролями та статусами.
+    """
+    try:
+        # Get microdao by slug
+        dao = await repo_city.get_microdao_by_slug(slug)
+        if not dao:
+            raise HTTPException(status_code=404, detail=f"MicroDAO not found: {slug}")
+        
+        # Get agents from microdao_agents
+        pool = await repo_city.get_pool()
+        query = """
+            SELECT 
+                a.id,
+                a.display_name as name,
+                a.kind,
+                a.status,
+                a.avatar_url,
+                a.gov_level,
+                ma.role,
+                ma.is_core
+            FROM agents a
+            JOIN microdao_agents ma ON ma.agent_id = a.id
+            WHERE ma.microdao_id = $1
+              AND COALESCE(a.is_archived, false) = false
+              AND a.deleted_at IS NULL
+            ORDER BY 
+                ma.is_core DESC,
+                CASE ma.role
+                    WHEN 'orchestrator' THEN 0
+                    WHEN 'district_lead' THEN 1
+                    WHEN 'core_team' THEN 2
+                    ELSE 3
+                END,
+                a.display_name
+        """
+        rows = await pool.fetch(query, dao["id"])
+        
+        return {
+            "microdao_id": dao["id"],
+            "microdao_slug": dao["slug"],
+            "agents": [
+                {
+                    "id": r["id"],
+                    "name": r["name"],
+                    "kind": r["kind"],
+                    "status": r["status"],
+                    "avatar_url": r.get("avatar_url"),
+                    "gov_level": r.get("gov_level"),
+                    "role": r["role"],
+                    "is_core": r["is_core"]
+                }
+                for r in rows
+            ]
+        }
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error(f"Failed to get microdao agents for {slug}: {e}")
+        raise HTTPException(status_code=500, detail="Failed to get microdao agents")
+
+
 @router.post("/microdao/{slug}/rooms/attach-existing", response_model=CityRoomSummary)
 async def attach_existing_room_endpoint(
     slug: str,