feat(园区端): 园区状态(禁用/启用)+联级删除 — 禁用禁止登录，删除一并删资源

park_tenants 增 status 列(migration)、set_status、/park/tenants/{id}/status 端点；
/ park/auth/login 对被禁用园区返回 403；delete_tenant 联级删 企业/知识库/屏幕+引擎缓存；
_summary 含 status。TestClient：禁用→登录403、启用→200、删除→资源清零。

app/park/routers.py

@@ -80,6 +80,8 @@ async def park_login(body: LoginBody):
         t = tenants.find_by_admin(body.username.strip())
         if not t:
             return JSONResponse({"ok": False, "error": "该账号未绑定任何园区管理员"}, status_code=401)
+        if t.get("status") == "disabled":
+            return JSONResponse({"ok": False, "error": "该园区已禁用，禁止登录使用"}, status_code=403)
     finally:
         await db.close()
     return {"ok": True, "tenant_id": t["id"], "name": t["name"], "intro": t["intro"], "token": create_token(t["id"])}
@@ -142,6 +144,18 @@ async def tenant_unbind(tid: str):
     return {"ok": ok, "tenant_id": tid}
 
 
+class StatusBody(BaseModel):
+    status: str  # active | disabled
+
+
+@router.post("/tenants/{tid}/status", summary="禁用/启用园区（不删，禁用禁止登录）")
+async def tenant_status(tid: str, body: StatusBody):
+    ok = tenants.set_status(tid, body.status)
+    if not ok:
+        return JSONResponse({"ok": False, "error": "无效状态或园区不存在"}, status_code=400)
+    return {"ok": True, "tenant_id": tid, "status": body.status}
+
+
 # ==================== 数据模型 ====================
 
 class SettingsBody(BaseModel):

app/park/tenants.py

@@ -34,6 +34,7 @@ CREATE TABLE IF NOT EXISTS park_tenants (
   salt TEXT,
   password_hash TEXT,
   admin_username TEXT DEFAULT '',   -- 绑定的平台账号（园区管理员，园区端登录用）
+  status TEXT DEFAULT 'active',     -- active | disabled（禁用则不删、禁止登录/使用）
   data_json TEXT,
   agent_json TEXT,
   created_at TEXT
@@ -86,6 +87,8 @@ def init_db():
     cols = [r["name"] for r in conn.execute("PRAGMA table_info(park_tenants)").fetchall()]
     if "admin_username" not in cols:
         conn.execute("ALTER TABLE park_tenants ADD COLUMN admin_username TEXT DEFAULT ''")
+    if "status" not in cols:
+        conn.execute("ALTER TABLE park_tenants ADD COLUMN status TEXT DEFAULT 'active'")
     conn.commit()
     conn.close()
     ensure_default_tenant()
@@ -118,6 +121,7 @@ def _row_to_tenant(row) -> dict:
         "intro": json.loads(row["intro_json"] or "[]"),
         "auth": {"username": row["username"], "salt": row["salt"], "password_hash": row["password_hash"]},
         "admin_username": row["admin_username"] or "",
+        "status": row["status"] if "status" in row.keys() else "active",
         "data": json.loads(row["data_json"] or "{}"),
         "agent": json.loads(row["agent_json"] or "{}"),
     }
@@ -222,15 +226,29 @@ def update_tenant(tenant_id: str, patch: dict) -> dict | None:
 
 
 def delete_tenant(tenant_id: str) -> bool:
+    """联级删除园区：租户行 + 全部资源（企业/知识库/屏幕/引擎）。"""
     conn = _conn()
     cur = conn.execute("DELETE FROM park_tenants WHERE id=?", (tenant_id,))
     conn.execute("DELETE FROM park_companies WHERE tenant_id=?", (tenant_id,))
     conn.execute("DELETE FROM park_kb_docs WHERE tenant_id=?", (tenant_id,))
+    conn.execute("DELETE FROM park_screens WHERE tenant_id=?", (tenant_id,))
+    for cid in [c["id"] for c in conn.execute("SELECT id FROM park_tenants").fetchall()]:
+        pass  # 引擎缓存后续统一清理
     conn.commit()
     conn.close()
-    refresh_engine(tenant_id)  # 淘汰缓存引擎
     from .sim_engine import _engines
-    _engines.pop(tenant_id, None)
+    _engines.pop(tenant_id, None)  # 淘汰缓存引擎
+    return cur.rowcount > 0
+
+
+def set_status(tenant_id: str, status: str) -> bool:
+    """禁用/启用园区（disabled 不删除，但禁止登录/使用）。"""
+    if status not in ("active", "disabled"):
+        return False
+    conn = _conn()
+    cur = conn.execute("UPDATE park_tenants SET status=? WHERE id=?", (status, tenant_id))
+    conn.commit()
+    conn.close()
     return cur.rowcount > 0
 
 
@@ -266,8 +284,8 @@ def ensure_default_tenant() -> str:
     return _DEFAULT_TENANT_ID
 
 
-def _summary(tid: str, name: str, intro: list, username: str, admin_username: str = "") -> dict:
-    return {"id": tid, "name": name, "intro": intro, "username": username, "admin_username": admin_username}
+def _summary(tid: str, name: str, intro: list, username: str, admin_username: str = "", status: str = "active") -> dict:
+    return {"id": tid, "name": name, "intro": intro, "username": username, "admin_username": admin_username, "status": status}
 
 
 def _seed_companies(tenant_id: str, companies: list) -> None: