feat(mvp): DAGI Integration Fix - gov_level, DAIS, nodes table

TASK_PHASE_MVP_DAGI_INTEGRATION_FIX_20251201

A) Agents Layer:
- A1: Added gov_level to API and UI (list + profile)
- A2: Added dais_identity_id to API and UI
- A3: Added home_microdao_id/name/slug for ownership display

B) MicroDAO Layer:
- B1/B2: Already implemented (agents, rooms, citizens, district badge)

C) Nodes Layer:
- C1: Node Dashboard already implemented
- C2: Created nodes table migration with owner_microdao_id
- C3: INSERT NODE1/NODE2 with dao_daarion ownership

D) Backend Fixes:
- D1: Extended /api/agents/* with DAIS/governance fields
- D2/D3: Already implemented

Files changed:
- services/city-service/repo_city.py
- services/city-service/models_city.py
- services/city-service/routes_city.py
- services/city-service/migrations.py
- apps/web/src/lib/types/agents.ts
- apps/web/src/lib/agent-dashboard.ts
- apps/web/src/app/agents/page.tsx
- apps/web/src/components/agent-dashboard/AgentSummaryCard.tsx

Reports:
- docs/debug/mvp_dagi_integration_fix_report_20251201.md
- docs/tasks/TASK_PHASE_MVP_DAGI_INTEGRATION_FIX_20251201.md

services/city-service/models_city.py

@@ -306,6 +306,10 @@ class AgentSummary(BaseModel):
     node_label: Optional[str] = None  # "НОДА1" / "НОДА2"
     home_node: Optional[HomeNodeView] = None
     
+    # Governance & DAIS (A1, A2)
+    gov_level: Optional[str] = None  # personal, core_team, orchestrator, district_lead, city_governance
+    dais_identity_id: Optional[str] = None  # DAIS identity reference
+    
     # Visibility & roles
     visibility_scope: str = "city"  # global, microdao, private
     is_listed_in_directory: bool = True
@@ -313,10 +317,13 @@ class AgentSummary(BaseModel):
     is_public: bool = False
     is_orchestrator: bool = False  # Can create/manage microDAOs
     
-    # MicroDAO
+    # MicroDAO (A3)
     primary_microdao_id: Optional[str] = None
     primary_microdao_name: Optional[str] = None
     primary_microdao_slug: Optional[str] = None
+    home_microdao_id: Optional[str] = None  # Owner microDAO
+    home_microdao_name: Optional[str] = None
+    home_microdao_slug: Optional[str] = None
     district: Optional[str] = None
     microdaos: List[MicrodaoBadge] = []
     microdao_memberships: List[Dict[str, Any]] = []  # backward compatibility