feat: 多租户联动 — CMA切换企业注入tenant_id + a2a_dispatch分发

backend/app/api/action_plans.py

@@ -216,7 +216,7 @@ def plan_stats(db: Session = Depends(get_db), current_user: User = Depends(requi
     in_progress = query.filter(ActionPlan.status == "in_progress").count()
     completed = query.filter(ActionPlan.status == "completed").count()
     from datetime import datetime
-    overdue = query.filter(ActionPlan.status.in_(["pending", "in_progress"]), ActionPlan.deadline < datetime.now()).count()
+    overdue = query.filter(ActionPlan.status.in_(["pending", "in_progress"]), ActionPlan.due_date < datetime.now()).count()
     return {
         "total": total,
         "pending": pending,

backend/app/api/tenant.py

@@ -0,0 +1,63 @@
+"""租户状态API — CMA系统切换公司时记录当前tenant，供项目Bot分发A2A任务"""
+from fastapi import APIRouter, Depends, HTTPException
+from pydantic import BaseModel
+from sqlalchemy.orm import Session
+from app.database import get_db
+from app.models import SystemConfig, Entity
+
+router = APIRouter(prefix="/api/cma/tenant", tags=["多租户"])
+
+TENANT_KEY = "current_tenant"
+
+class TenantSwitchRequest(BaseModel):
+    entity_id: int
+    source: str = "cma-system"
+
+
+def _tenant_name(entity_id: int) -> str:
+    """entity_id → tenant_id"""
+    return "company_b" if entity_id == 2 else "company_a"
+
+
+@router.get("/current")
+def get_current_tenant(db: Session = Depends(get_db)):
+    """查询当前租户"""
+    cfg = db.query(SystemConfig).filter(SystemConfig.config_key == TENANT_KEY).first()
+    if cfg and cfg.config_value:
+        import json
+        try:
+            return json.loads(cfg.config_value)
+        except:
+            pass
+    return {"tenant_id": "company_a", "entity_id": 1, "name": "陕西酣客文化传媒"}
+
+
+@router.post("/switch")
+def switch_tenant(data: TenantSwitchRequest, db: Session = Depends(get_db)):
+    """切换当前租户（CMA前端企业切换器调用）"""
+    ent = db.query(Entity).filter(Entity.id == data.entity_id).first()
+    if not ent:
+        raise HTTPException(404, "企业不存在")
+
+    import json
+    state = {
+        "tenant_id": _tenant_name(data.entity_id),
+        "entity_id": data.entity_id,
+        "name": ent.name,
+        "short_name": ent.short_name,
+        "source": data.source,
+        "switched_at": __import__("datetime").datetime.now().isoformat(),
+    }
+
+    cfg = db.query(SystemConfig).filter(SystemConfig.config_key == TENANT_KEY).first()
+    if cfg:
+        cfg.config_value = json.dumps(state, ensure_ascii=False)
+    else:
+        db.add(SystemConfig(
+            config_key=TENANT_KEY,
+            config_value=json.dumps(state, ensure_ascii=False),
+            description="当前租户状态（CMA企业切换联动）",
+        ))
+    db.commit()
+
+    return {"success": True, "current": state}

backend/app/main.py

@@ -5,7 +5,7 @@ from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import JSONResponse
 from dotenv import load_dotenv
 from app.database import init_db
-from app.api import auth, kpis, templates, maps, dashboard, data, alerts, ai_analysis, alert_rules, users, thresholds, notifications, permissions, action_plans, alignment, org, objectives, versions, budget, cost, predict, reports, security, knowledge, bot_bridge, bot_bridge_v2, lead, customer_dashboard, deviation_push, budget_generate, knowledge_articles, kpi_causality, data_quality, bi_reports, entities, bsc_layers, okr, okr_templates, subjects, driver_budget, bot_kpis, bot_iron_law, analysis_results, expenses, cash, tax_compliance
+from app.api import auth, kpis, templates, maps, dashboard, data, alerts, ai_analysis, alert_rules, users, thresholds, notifications, permissions, action_plans, alignment, org, objectives, versions, budget, cost, predict, reports, security, knowledge, bot_bridge, bot_bridge_v2, lead, tenant, customer_dashboard, deviation_push, budget_generate, knowledge_articles, kpi_causality, data_quality, bi_reports, entities, bsc_layers, okr, okr_templates, subjects, driver_budget, bot_kpis, bot_iron_law, analysis_results, expenses, cash, tax_compliance
 from app.utils.cache import clear_all as clear_cache, delete as delete_cache
 from scripts.erp_sync import run_sync as run_erp_sync
 from app.auth_middleware import require_auth
@@ -57,6 +57,7 @@ app.include_router(knowledge.router)
 app.include_router(bot_bridge.router)
 app.include_router(bot_bridge_v2.router)
 app.include_router(lead.router)
+app.include_router(tenant.router)
 app.include_router(customer_dashboard.router)
 app.include_router(deviation_push.router)
 app.include_router(budget_generate.router)