diff --git a/CLAUDE.md b/CLAUDE.md
index 3c90de7..b7dc329 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -77,7 +77,7 @@
 **实现取舍（API 冻结 / Phase 3 前端对接前须知）**：
 
 1. **PUT config 整组替换语义**——前端必须整组读-改-写（Task 6；做部分更新需先 GET 全组再改再 PUT）。
-2. **rollback 绕过 prefix 跨租户查重**（域名类校验只在 PUT 路径）——如需收口，在 rollback 前补跑查重。
+2. **rollback 仍绕过 prefix 跨租户查重**（终审 I-3 已收口 PUT/创建向导/reset 三口；rollback 单独保留豁免 = 历史不可变语义优先——回滚到含已占前缀的历史版本属数据修复场景；如仍需收口，在 rollback 前补跑查重）。
 3. **并发保存同租户撞 UNIQUE → 500**（单管理员场景可接受；收口 = 捕 IntegrityError 转 409）。
 4. **统计 API 无 `?site=` 筛选**（spec §7.6 提及；Phase 3 前端需要时补）。
 5. **登录限流反代形态退化为按用户名**（限流键 username + request.client.host，无 XFF 解析；可信代理解析归部署批次）。
@@ -86,6 +86,8 @@
 8. **400（预检撞车）vs 409（竞态 IntegrityError）并存**——API 冻结前统一。
 9. **limiter 全量清扫**（token/登录限流的内存键永不回访，长跑进程缓慢累积；收口 = 定期清扫）。
 10. **lead_push_service 的 settings re-export 锚**（app.engine.config 的 settings 在 lead_push_service 顶部 re-export，22 处测试 monkeypatch 依赖此锚——改动前先迁测试）。
+11. **密钥掩码未实现**——GET config/settings 返回明文 api_key/smtp 密码；Phase 3 前端对接前必须定掩码哨兵方案（GET 吐 `__SET__` + PUT 收哨兵保留旧值）（出处：终审审查 I-2）。
+12. **站点管理权限现为仅超管**（spec §7.3 写租户管理员同左）——Phase 3 对接时决策放开或改 spec（出处：终审审查 M-2）。
 
 **Phase 3 清理单**（Phase 1/2 审查挂账滚动合并；~~删除线~~ 项已在 Phase 2 完成）：
 
@@ -115,6 +117,7 @@
 - **bootstrap_platform.py 用法**：`PYTHONUTF8=1 python scripts/bootstrap_platform.py [--db PATH] [--profiles SLUG ...] [--seed DIR]`。两步全幂等：init（schema + 超管引导，凭据取 env/.env 的 ADMIN_USERNAME/ADMIN_PASSWORD）+ 导入出厂租户（默认 auto jiancai 两租户，已有 slug 跳过）；**不建租户管理员**（走后台创建向导补）。
 - **TENANT_SOURCE=db 默认**（生产装配形态）；`file` 为冷备/本地调试回退。
 - **admin 域名反代区分**：`/api/platform/*` 前缀豁免租户 Host 解析——平台后台 API 可与租户聊天域名同源反代（按路径分流）或独立域名，两形态皆可；租户聊天面（`/`、`/static`、WS、`/api/public`、`/api/chat*`）仍严格按 Host 解析租户，未知 Host 404。
+- **ADMIN_PASSWORD 默认值警示**（终审 I-4）：lifespan 启动检测到 ADMIN_PASSWORD 仍是出厂默认（admin123）时打 WARNING 日志——生产部署必须设 ADMIN_PASSWORD 环境变量换掉，且超管首登立即改密（must_change_password 门强制）。
 
 ## 文档索引
 
diff --git a/app/main.py b/app/main.py
index 47ab64f..d2260f3 100644
--- a/app/main.py
+++ b/app/main.py
@@ -64,6 +64,15 @@ async def lifespan(app: FastAPI):
 
     try:
         await ensure_platform_schema(platform_engine)
+        # 默认凭据警示(终审 I-4):ADMIN_PASSWORD 仍是出厂默认时启动日志
+        # 醒目提示。比较对象取 Settings 字段定义的默认值(非硬编码第二份
+        # "admin123"——将来改默认值,警示判定自动跟随,不双源漂移)。
+        if settings.ADMIN_PASSWORD == type(
+                settings).model_fields["ADMIN_PASSWORD"].default:
+            logger.warning(
+                "!!! 安全警示: 超管账号 %s 正在使用默认密码 —— 生产环境必须"
+                "设置 ADMIN_PASSWORD 环境变量,且首登后立即改密 !!!",
+                settings.ADMIN_USERNAME)
         await bootstrap_superuser(
             platform_engine,
             username=settings.ADMIN_USERNAME,
diff --git a/app/platform/db.py b/app/platform/db.py
index a288332..0f8c420 100644
--- a/app/platform/db.py
+++ b/app/platform/db.py
@@ -205,6 +205,40 @@ async def write_config_version(
     return version
 
 
+async def other_push_prefixes(
+        session: AsyncSession, exclude_tenant_id: int | None) -> frozenset:
+    """各租户**当前版本**的 push.prefix 集合(spec E1 查重数据源;空/坏数据
+    不参战)。MAX(version) 子查询定位每租户当前版。
+
+    终审 I-3 收口:自 config_routes 的私有 helper 提取共用——PUT 分组编辑
+    (经 config_validation 的 ValidationContext)、创建向导(首版快照带出厂
+    prefix,同 profile 第二个租户必撞)、reset 重置出厂(重置回出厂 prefix
+    可能撞上现在的占用方)三口共用。exclude_tenant_id=None = 不排除任何
+    租户(创建向导:租户尚未落库)。rollback 仍不查(历史不可变语义优先,
+    挂账见 CLAUDE.md 取舍清单)。"""
+    max_versions = (
+        select(TenantConfigVersion.tenant_id.label("tid"),
+               func.max(TenantConfigVersion.version).label("mv"))
+        .group_by(TenantConfigVersion.tenant_id).subquery())
+    rows = (await session.execute(
+        select(TenantConfigVersion.tenant_id, TenantConfigVersion.config_json)
+        .join(max_versions, (TenantConfigVersion.tenant_id == max_versions.c.tid)
+              & (TenantConfigVersion.version == max_versions.c.mv)))).all()
+    prefixes = set()
+    for tenant_id, config_json in rows:
+        if tenant_id == exclude_tenant_id:
+            continue
+        try:
+            snapshot = json.loads(config_json)
+        except ValueError:
+            continue
+        push = snapshot.get("push") if isinstance(snapshot, dict) else None
+        prefix = push.get("prefix") if isinstance(push, dict) else None
+        if isinstance(prefix, str) and prefix:
+            prefixes.add(prefix)
+    return frozenset(prefixes)
+
+
 # ---- 超管引导 ---------------------------------------------------------------
 
 async def bootstrap_superuser(
diff --git a/app/platform/routes/config_routes.py b/app/platform/routes/config_routes.py
index 30d346c..8f27eb0 100644
--- a/app/platform/routes/config_routes.py
+++ b/app/platform/routes/config_routes.py
@@ -47,6 +47,7 @@ from app.platform.db import (
     PlatformSetting,
     Tenant,
     TenantConfigVersion,
+    other_push_prefixes,
     write_config_version,
 )
 from app.platform.defaults import DEFAULT_CONFIG
@@ -105,33 +106,6 @@ async def _load_current(
     return row, snapshot
 
 
-async def _other_prefixes(
-        session: AsyncSession, exclude_tenant_id: int) -> frozenset:
-    """各租户**当前版本**的 push.prefix 集合(spec E1 查重数据源,排除自身;
-    空/坏数据不参战)。MAX(version) 子查询定位每租户当前版。"""
-    max_versions = (
-        select(TenantConfigVersion.tenant_id.label("tid"),
-               func.max(TenantConfigVersion.version).label("mv"))
-        .group_by(TenantConfigVersion.tenant_id).subquery())
-    rows = (await session.execute(
-        select(TenantConfigVersion.tenant_id, TenantConfigVersion.config_json)
-        .join(max_versions, (TenantConfigVersion.tenant_id == max_versions.c.tid)
-              & (TenantConfigVersion.version == max_versions.c.mv)))).all()
-    prefixes = set()
-    for tenant_id, config_json in rows:
-        if tenant_id == exclude_tenant_id:
-            continue
-        try:
-            snapshot = json.loads(config_json)
-        except ValueError:
-            continue
-        push = snapshot.get("push") if isinstance(snapshot, dict) else None
-        prefix = push.get("prefix") if isinstance(push, dict) else None
-        if isinstance(prefix, str) and prefix:
-            prefixes.add(prefix)
-    return frozenset(prefixes)
-
-
 def _updated_by(user: UserContext) -> str:
     return f"{user.role}#{user.user_id}"
 
@@ -163,7 +137,7 @@ async def put_config_group(
     async with AsyncSession(engine, expire_on_commit=False) as session:
         tenant = await _get_tenant_or_404(session, slug)
         context = ValidationContext(
-            other_prefixes=await _other_prefixes(session, tenant.id))
+            other_prefixes=await other_push_prefixes(session, tenant.id))
         errors = validate_group(group, body, context)
         if errors:
             raise HTTPException(status_code=400, detail="; ".join(errors))
@@ -203,6 +177,16 @@ async def reset_config_group(
             value = copy.deepcopy(factory[group])
         else:
             value = copy.deepcopy(DEFAULT_CONFIG[group])
+        # push 组重置补跨租户查重(终审 I-3):重置回出厂 prefix 可能撞上
+        # 现在的占用方(本租户改过前缀后,出厂前缀被别人取走)。
+        if group == "push" and isinstance(value, dict):
+            prefix = value.get("prefix")
+            if (isinstance(prefix, str) and prefix and prefix
+                    in await other_push_prefixes(session, tenant.id)):
+                raise HTTPException(
+                    status_code=400,
+                    detail=f"重置后的 push.prefix {prefix!r} 已被其他租户"
+                           f"占用——请改用 PUT /config/push 指定其他前缀")
         _, current = await _load_current(session, tenant.id, slug)
         new_snapshot = dict(current)
         new_snapshot[group] = value
diff --git a/app/platform/routes/tenant_routes.py b/app/platform/routes/tenant_routes.py
index acea819..5a9bef3 100644
--- a/app/platform/routes/tenant_routes.py
+++ b/app/platform/routes/tenant_routes.py
@@ -50,6 +50,7 @@ from app.platform.db import (
     SiteDomain,
     Tenant,
     TenantConfigVersion,
+    other_push_prefixes,
     write_config_version,
 )
 from app.platform.registry import _normalize_host
@@ -227,6 +228,18 @@ async def create_tenant(
                 detail=f"管理员用户名已被占用: {body.admin_username!r}")
         for domain in domains:
             await _assert_domain_free(session, domain)
+        # push.prefix 跨租户查重(终审 I-3):首版快照带出厂 prefix——同
+        # profile 第二个租户必撞(jiancai=ai-kefu-jc / auto=ai-kefu),
+        # spec E1 前缀全局唯一防 CRM 线索串号,创建期就拦。blank 出厂
+        # prefix 为空串,不参战(与 config_validation 同款空串豁免)。
+        prefix = (snapshot.get("push") or {}).get("prefix")
+        if (isinstance(prefix, str) and prefix
+                and prefix in await other_push_prefixes(session, None)):
+            raise HTTPException(
+                status_code=400,
+                detail=f"出厂档案的 push.prefix {prefix!r} 已被其他租户占用"
+                       f"——请改用 blank profile(创建后经配置 API 改前缀)"
+                       f"或先修改占用方前缀")
 
         tenant = Tenant(slug=body.slug, name=body.name, status="active",
                         profile=body.profile)
diff --git a/app/platform/tenant_config.py b/app/platform/tenant_config.py
index d052e55..d2c7951 100644
--- a/app/platform/tenant_config.py
+++ b/app/platform/tenant_config.py
@@ -16,6 +16,9 @@ class Site:
     domains: tuple[str, ...]
     brand: dict                 # 站点门面覆盖层 ⊕ 租户默认 brand（已深合并）。
                                 # 只读约定：构造后不得修改
+    status: str = "active"      # 终审 I-1：站点停用接线——数据源只输出
+                                # active 站点（停用站点的域名不进索引 → 404），
+                                # 本字段记录该契约（当前恒为 "active"）
 
 
 @dataclass(frozen=True)
@@ -32,6 +35,7 @@ class TenantConfig:
         merged = deep_merge(DEFAULT_CONFIG, snapshot)
         resolved = tuple(
             Site(s["slug"], s.get("name", s["slug"]), tuple(s.get("domains", ())),
-                 deep_merge(merged["brand"], s.get("brand", {})))
+                 deep_merge(merged["brand"], s.get("brand", {})),
+                 s.get("status", "active"))
             for s in sites)
         return cls(slug=slug, name=name, status=status, data=merged, sites=resolved)
diff --git a/app/platform/tenant_source.py b/app/platform/tenant_source.py
index 4787517..47ba0e1 100644
--- a/app/platform/tenant_source.py
+++ b/app/platform/tenant_source.py
@@ -114,6 +114,12 @@ class FileTenantSource:
         sites = tenant_json.get("sites") or []
         if not sites:
             raise ValueError(f"{slug}: 每租户至少一个站点(sites 为空)")
+        # 站点停用过滤(终审 I-1,与 DB 源同一语义):status 键缺省 = active
+        # (既有 tenant.json 均无该键,兼容);停用站点不进 LoadedTenant——
+        # 域名随之不进 registry 索引(该域名 404)、site_by_slug 取不到。
+        sites = [s for s in sites
+                 if not isinstance(s, dict)
+                 or s.get("status", "active") == "active"]
         # wall 并入 snapshot["wall"]:data["wall"] 保留原始词表(后台编辑/
         # 回滚用),编译产物挂 runtime.compiled_wall(引擎消费,单一编译)
         snapshot = dict(tenant_json.get("config") or {})
@@ -148,8 +154,10 @@ class DbTenantSource:
     的 config_json 解析。版本快照由 Task 5 创建向导写入(config 组 ⊕ wall
     ⊕ prompts 同构嵌套)。
 
-    已知边界:site.status 列暂不参与映射(全量输出)——Task 5 站点
-    CRUD/停用接线时定语义。
+    已知边界(终审 I-1 已接线):site.status != "active" 的站点**不进**
+    LoadedTenant(_load_one 过滤)——停用站点的域名不进 registry 索引
+    (该域名 404),site_by_slug 取不到;全停用输出空 sites(零站点校验
+    只对库表形状)。
     """
 
     def __init__(self, engine: AsyncEngine):
@@ -215,10 +223,16 @@ class DbTenantSource:
                     f"{version.version} 的 config_json 缺少 {key!r} 配置组"
                     f"(或其不是对象)")
 
-        sites = [{"slug": s.slug, "name": s.name,
+        # 站点停用过滤(终审 I-1):status != "active" 的站点不进
+        # LoadedTenant——其域名不进 registry 域名索引(该域名 404)、
+        # site_by_slug 取不到。与"租户停用 → TenantDisabledError → 503
+        # 中性页"的语义差:站点停用 = 这张门面下线,404 合理(不是服务暂停)。
+        # 全部站点停用 = 输出空 sites(零站点校验只对库表形状——行数为零
+        # 才是数据坏;全停用是合法运营状态,域名全 404)。
+        sites = [{"slug": s.slug, "name": s.name, "status": s.status,
                   "domains": list(domains_by_site.get(s.id, [])),
                   "brand": dict(s.brand_overlay or {})}
-                 for s in sites_rows]
+                 for s in sites_rows if s.status == "active"]
         return LoadedTenant(
             slug=tenant.slug,
             name=tenant.name,
diff --git a/tests/test_avatar_upload.py b/tests/test_avatar_upload.py
index 0550462..d460667 100644
--- a/tests/test_avatar_upload.py
+++ b/tests/test_avatar_upload.py
@@ -188,7 +188,8 @@ def test_traversal_safe(super_client, db_source_app, tmp_path):
 
 def test_upload_auth_boundaries(super_client):
     _create(super_client, slug="demo")
-    _create(super_client, slug="other")
+    # blank profile: 第二个租户不撞 jiancai 的出厂 push.prefix(终审 I-3)
+    _create(super_client, slug="other", profile="blank")
     url = f"{TENANTS}/demo/brand/avatar"
 
     # 未认证 → 401
diff --git a/tests/test_config_api.py b/tests/test_config_api.py
index b7faf23..43dc30c 100644
--- a/tests/test_config_api.py
+++ b/tests/test_config_api.py
@@ -350,6 +350,33 @@ def test_reset_blank_tenant_groups(super_client):
     assert r.json()["config"] == DEFAULT_CONFIG["contact"]
 
 
+def test_reset_push_prefix_collision(super_client):
+    """终审 I-3:reset push 组补跨租户查重——本租户改过前缀后,出厂前缀被
+    别人取走,重置回出厂会撞车 → 400 提示改走 PUT 指定前缀。"""
+    _create(super_client, slug="jc1", profile="jiancai")   # 出厂 ai-kefu-jc
+    _create(super_client, slug="au1", profile="auto")      # 出厂 ai-kefu
+    # jc1 让出出厂前缀,au1 取走
+    assert _put_group(super_client, "jc1", "push",
+                      {"prefix": "jc1-new"}).status_code == 200
+    assert _put_group(super_client, "au1", "push",
+                      {"prefix": "ai-kefu-jc"}).status_code == 200
+    # 重置 jc1 的 push → 出厂 ai-kefu-jc 已被 au1 占用 → 400
+    r = super_client.post(f"{_cfg('jc1')}/push/reset",
+                          headers=_auth(super_client))
+    assert r.status_code == 400
+    detail = r.json()["detail"]
+    assert "ai-kefu-jc" in detail and "占用" in detail
+    # 当前版本未被重置覆盖(仍是 jc1-new)
+    assert _get_config(super_client, "jc1")["config"]["push"]["prefix"] == "jc1-new"
+    # 撞车解除后(au1 改走)重置即可成功
+    assert _put_group(super_client, "au1", "push",
+                      {"prefix": "au1-new"}).status_code == 200
+    r = super_client.post(f"{_cfg('jc1')}/push/reset",
+                          headers=_auth(super_client))
+    assert r.status_code == 200
+    assert r.json()["config"]["prefix"] == "ai-kefu-jc"
+
+
 # ---- 平台设置(仅超管;本阶段只落存储与接口) ----------------------------------------
 
 
@@ -423,7 +450,9 @@ def test_wall_group_round_trip_and_body_hygiene(super_client):
     assert r.status_code == 400
 
     # 首登未改密的租户管理员 → 409(与登录/改密之外的受保护端点同款门)
-    _create(super_client, slug="t2", admin="t2-admin", password="t2-pass-1")
+    # (blank: 第二个租户不撞 jiancai 出厂 push.prefix——终审 I-3 创建查重)
+    _create(super_client, slug="t2", admin="t2-admin", password="t2-pass-1",
+            profile="blank")
     token = super_client.post(
         LOGIN, json={"username": "t2-admin", "password": "t2-pass-1"}
     ).json()["token"]
diff --git a/tests/test_data_views.py b/tests/test_data_views.py
index c982ea7..1d4a76f 100644
--- a/tests/test_data_views.py
+++ b/tests/test_data_views.py
@@ -53,11 +53,12 @@ def _bearer(token):
     return {"Authorization": f"Bearer {token}"}
 
 
-def _create(client, slug="demo", admin=None, password=None, domains=None):
+def _create(client, slug="demo", admin=None, password=None, domains=None,
+            profile="jiancai"):
     return client.post(TENANTS, headers=_auth(client), json={
         "name": f"{slug} 租户",
         "slug": slug,
-        "profile": "jiancai",
+        "profile": profile,
         "admin_username": admin or f"{slug}-admin",
         "admin_password": password or f"{slug}-pass-1",
         "domains": domains or [],
@@ -378,8 +379,9 @@ def test_push_logs_payload_lazy(super_client, tmp_path):
 def test_tenant_scope_isolation(super_client, tmp_path):
     _create(super_client, slug="jca", admin="jca-admin",
             password="jca-pass-1")
+    # blank: 第二个租户不撞 jiancai 出厂 push.prefix(终审 I-3)
     _create(super_client, slug="jcb", admin="jcb-admin",
-            password="jcb-pass-1")
+            password="jcb-pass-1", profile="blank")
 
     async def populate(session):
         at = datetime(2026, 1, 5, 12, 0, tzinfo=UTC)
diff --git a/tests/test_db_tenant_source.py b/tests/test_db_tenant_source.py
index 6d3ec87..803a1b9 100644
--- a/tests/test_db_tenant_source.py
+++ b/tests/test_db_tenant_source.py
@@ -30,6 +30,7 @@ from app.platform.db import (
     make_platform_engine,
 )
 from app.platform.registry import UnknownTenantError, TenantRegistry
+from app.platform.tenant_config import TenantConfig
 from app.platform.tenant_source import DbTenantSource, FileTenantSource
 
 REPO_ROOT = Path(__file__).resolve().parents[1]
@@ -61,7 +62,7 @@ async def _make_engine(tmp_path):
 
 
 async def _add_jiancai(engine, prefix="ai-kefu-jc", version=1,
-                       config_json=None, with_version=True):
+                       config_json=None, with_version=True, es_status="active"):
     """jiancai 租户 + main(JC_DOMAIN)+ es(brand_overlay)+ 版本行。"""
     async with AsyncSession(engine, expire_on_commit=False) as session:
         tenant = Tenant(slug="jiancai", name="HESUPIPE 建材", status="active")
@@ -69,6 +70,7 @@ async def _add_jiancai(engine, prefix="ai-kefu-jc", version=1,
         await session.flush()
         main = Site(tenant_id=tenant.id, slug="main", name="main")
         es = Site(tenant_id=tenant.id, slug="es", name="es",
+                  status=es_status,
                   brand_overlay={"title": "HESUPIPE Soporte"})
         session.add_all([main, es])
         await session.flush()
@@ -223,6 +225,34 @@ async def test_db_source_missing_prompts_group_raises(tmp_path):
         await engine.dispose()
 
 
+async def test_db_source_filters_disabled_sites(tmp_path):
+    """终审 I-1:site.status != active 的站点不进 LoadedTenant(域名不进
+    registry 索引 → 该域名 404;site_by_slug 取不到)。es 停用后只剩
+    main;全部停用 → 空 sites(零站点校验只对库表形状)。"""
+    engine = await _make_engine(tmp_path)
+    try:
+        await _add_jiancai(engine, es_status="disabled")
+        lt = await DbTenantSource(engine).load_tenant("jiancai")
+        assert [s["slug"] for s in lt.sites] == ["main"]   # es 被过滤
+        main = lt.sites[0]
+        assert main["status"] == "active"
+        # TenantConfig 消费侧:Site 数据类带 status,域名索引只含 main
+        config = TenantConfig.from_snapshot(
+            lt.slug, lt.name, lt.snapshot, sites=lt.sites, status=lt.status)
+        assert [s.slug for s in config.sites] == ["main"]
+        assert config.sites[0].status == "active"
+
+        # 全部停用 = 合法运营状态(门面全下线),输出空 sites 不炸
+        async with AsyncSession(engine, expire_on_commit=False) as session:
+            await session.execute(text(
+                "UPDATE sites SET status='disabled'"))
+            await session.commit()
+        lt2 = await DbTenantSource(engine).load_tenant("jiancai")
+        assert lt2.sites == []
+    finally:
+        await engine.dispose()
+
+
 # ---- 文件源(直测;等价性由既有 test_registry 全绿证明)-----------------------
 
 
@@ -270,6 +300,28 @@ def test_file_source_read_tenant_rereads_disk(tmp_path):
     assert src.read_tenant("t1").snapshot["push"]["prefix"] == "v2"
 
 
+def test_file_source_filters_disabled_sites(tmp_path):
+    """终审 I-1:tenant.json 站点带 status: "disabled" → 不进
+    LoadedTenant(文件源同步行为);无 status 键 → 默认 active,既有
+    种子零改动兼容。"""
+    _write_min_seed(tmp_path, {"t1": {
+        "slug": "t1", "name": "t1", "status": "active",
+        "sites": [
+            {"slug": "main", "domains": ["a.example.com"]},      # 无键=active
+            {"slug": "es", "status": "active", "domains": []},
+            {"slug": "down", "status": "disabled",
+             "domains": ["down.example.com"], "brand": {"title": "x"}},
+        ],
+        "config": {}}})
+    lt = FileTenantSource(tmp_path / "seed").read_tenant("t1")
+    assert [s["slug"] for s in lt.sites] == ["main", "es"]   # down 被滤
+    # 消费侧同构:from_snapshot 只见 active 站点
+    config = TenantConfig.from_snapshot(
+        lt.slug, lt.name, lt.snapshot, sites=lt.sites, status=lt.status)
+    assert [s.slug for s in config.sites] == ["main", "es"]
+    assert all(s.status == "active" for s in config.sites)
+
+
 # ---- registry × DB 源(reload / upsert)--------------------------------------
 
 
diff --git a/tests/test_platform_db.py b/tests/test_platform_db.py
index 4c6fd9d..34baf08 100644
--- a/tests/test_platform_db.py
+++ b/tests/test_platform_db.py
@@ -325,3 +325,42 @@ def test_lifespan_platform_engine_seam_and_bootstrap(tmp_path, monkeypatch):
     assert [u.username for u in users] == ["bootadmin"]
     assert verify_password("boot-pw", users[0].password_hash, users[0].salt)
     assert users[0].must_change_password is True
+
+
+def test_default_admin_password_warns_at_startup(
+        tmp_path, monkeypatch, caplog):
+    """终审 I-4:lifespan 启动时 ADMIN_PASSWORD 仍为出厂默认 → 醒目
+    WARNING(生产必须设环境变量);设了自定义值 → 无警示。比较基准 =
+    Settings 字段默认值(与 main.py 同式,改默认值判定自动跟随)。"""
+    import logging
+
+    from app.engine.config import settings
+    from app.main import app
+    from app.platform.registry import TenantRegistry
+
+    def _run_lifespan():
+        app.state.registry = TenantRegistry.load_from_dir(
+            SEED_DIR, data_dir=tmp_path / "tenants")
+        app.state.platform_engine = make_platform_engine(
+            tmp_path / "platform.db")
+        try:
+            with caplog.at_level(logging.WARNING, logger="app.main"):
+                with TestClient(app) as client:
+                    assert client.get("/health").status_code == 200
+        finally:
+            app.state.registry = None
+            app.state.platform_engine = None
+
+    # 出厂默认密码 → WARNING 提及用户名与"默认密码"
+    monkeypatch.setattr(settings, "ADMIN_PASSWORD",
+                        type(settings).model_fields["ADMIN_PASSWORD"].default)
+    _run_lifespan()
+    assert any("默认密码" in r.getMessage()
+               and settings.ADMIN_USERNAME in r.getMessage()
+               for r in caplog.records)
+
+    # 自定义密码 → 无该警示
+    caplog.clear()
+    monkeypatch.setattr(settings, "ADMIN_PASSWORD", "n0t-default-pw")
+    _run_lifespan()
+    assert not any("默认密码" in r.getMessage() for r in caplog.records)
diff --git a/tests/test_stats.py b/tests/test_stats.py
index 392070f..110ee75 100644
--- a/tests/test_stats.py
+++ b/tests/test_stats.py
@@ -53,11 +53,11 @@ def _bearer(token):
     return {"Authorization": f"Bearer {token}"}
 
 
-def _create(client, slug, admin=None, password=None):
+def _create(client, slug, admin=None, password=None, profile="jiancai"):
     return client.post(TENANTS, headers=_auth(client), json={
         "name": f"{slug} 租户",
         "slug": slug,
-        "profile": "jiancai",
+        "profile": profile,
         "admin_username": admin or f"{slug}-admin",
         "admin_password": password or f"{slug}-pass-1",
         "domains": [],
@@ -337,10 +337,11 @@ def test_cross_tenant_super_view(super_client, tmp_path):
     合并含停用租户、跳过无库文件的未懒建租户;403/401 边界。"""
     _create(super_client, slug="jca", admin="jca-admin",
             password="jca-pass-1")
+    # blank: 第二/三个租户不撞 jiancai 出厂 push.prefix(终审 I-3)
     _create(super_client, slug="jcb", admin="jcb-admin",
-            password="jcb-pass-1")
+            password="jcb-pass-1", profile="blank")
     # jcc: 创建后从未 resolve——库文件不存在,合并视图应跳过(不建空库)
-    _create(super_client, slug="jcc")
+    _create(super_client, slug="jcc", profile="blank")
 
     async def seed_a(session):
         a1 = datetime(2026, 1, 5, 10, 0, tzinfo=UTC)   # 北京 1/5
diff --git a/tests/test_tenant_admin_api.py b/tests/test_tenant_admin_api.py
index 1139546..f084ac8 100644
--- a/tests/test_tenant_admin_api.py
+++ b/tests/test_tenant_admin_api.py
@@ -249,8 +249,10 @@ def test_tenant_admin_cannot_create_tenant(super_client):
         "name": "越权租户", "slug": "evil", "profile": "jiancai",
         "admin_username": "evil-admin", "admin_password": "evil-pass-1"})
     assert r.status_code == 403
-    # 对照: 超管可建
-    assert _create(super_client, slug="ok1").status_code == 201
+    # 对照: 超管可建(blank profile——jiancai 的出厂 prefix 已被 demo 占用,
+    # 见 test_create_second_same_profile_prefix_conflict)
+    assert _create(super_client, slug="ok1",
+                   profile="blank").status_code == 201
 
 
 # ---- _blankify 单测 --------------------------------------------------------------
@@ -306,9 +308,27 @@ def test_create_auto_profile(super_client, tmp_path):
     assert r.json()["title"] == "HESU Support"            # auto 档案身份
 
 
+def test_create_second_same_profile_prefix_conflict(super_client, tmp_path):
+    """终审 I-3:创建向导补 push.prefix 跨租户查重——同 profile 第二个租户
+    的出厂前缀必撞(jiancai=ai-kefu-jc),spec E1 前缀全局唯一创建期就拦;
+    blank 出厂前缀为空串,不参战。"""
+    assert _create(super_client, slug="jc1", profile="jiancai").status_code == 201
+    r = _create(super_client, slug="jc2", profile="jiancai")
+    assert r.status_code == 400
+    detail = r.json()["detail"]
+    assert "ai-kefu-jc" in detail and "push.prefix" in detail
+    # auto 前缀不同,不撞
+    assert _create(super_client, slug="au1", profile="auto").status_code == 201
+    # blank 出厂前缀为空 → 可建(创建后经配置 API 配前缀)
+    assert _create(super_client, slug="bl1", profile="blank").status_code == 201
+    # jc2 没落库(整事务未提交)
+    rows = _db_fetch(tmp_path, select(Tenant.slug).where(Tenant.slug == "jc2"))
+    assert rows == []
+
+
 def test_domain_collision_reports_owner(super_client):
     _create(super_client, slug="demo", domains=["demo.example.com"])
-    _create(super_client, slug="other")
+    _create(super_client, slug="other", profile="blank")
     # 大写归一后同域 → 400 带现有归属(tenant + site)
     r = super_client.post(f"{TENANTS}/other/sites/main/domains",
                           headers=_auth(super_client),
@@ -316,8 +336,9 @@ def test_domain_collision_reports_owner(super_client):
     assert r.status_code == 400
     detail = r.json()["detail"]
     assert "demo" in detail and "main" in detail
-    # 创建向导的初始域名同样预检
-    r = _create(super_client, slug="third", domains=["demo.example.com"])
+    # 创建向导的初始域名同样预检(blank profile——排除 prefix 查重的干扰)
+    r = _create(super_client, slug="third", profile="blank",
+                domains=["demo.example.com"])
     assert r.status_code == 400
 
 
@@ -384,7 +405,9 @@ def test_site_create_patch_overlay(super_client, tmp_path):
         f"{TENANTS}/demo/sites/ghost", headers=_auth(super_client),
         json={"name": "x"}).status_code == 404
 
-    # 站点停用持久化(解析级语义后续任务接线,此处钉字段落库+reload 不炸)
+    # 站点停用全链路(终审 I-1):字段落库 + reload 后数据源过滤停用站点——
+    # 其域名不进索引(经中间件 404,与租户停用的 503 语义差:门面下线≠服务
+    # 暂停),同租户其他站点照常;?site= 覆盖也取不到(回退默认门面)。
     r = super_client.patch(f"{TENANTS}/demo/sites/es",
                            headers=_auth(super_client),
                            json={"status": "disabled"})
@@ -393,6 +416,27 @@ def test_site_create_patch_overlay(super_client, tmp_path):
                      .join(Tenant, Site.tenant_id == Tenant.id)
                      .where(Tenant.slug == "demo", Site.slug == "es"))
     assert rows[0][0].status == "disabled"
+    r = super_client.get("/api/public/brand",
+                         headers={"host": "es.demo.example.com"})
+    assert r.status_code == 404                       # 停用站点域名 404
+    r = super_client.get("/api/public/brand",
+                         headers={"host": "demo.example.com"})
+    assert r.status_code == 200                       # main 站点不受影响
+    assert r.json()["title"] == "HESUPIPE Support"    # 租户级门面(jiancai 档案)
+    # ?site=es 覆盖取不到停用站点 → 回退 main 门面(title 是租户级,非 ES v2)
+    r = super_client.get("/api/public/brand?site=es",
+                         headers={"host": "demo.example.com"})
+    assert r.status_code == 200
+    assert r.json()["title"] != "Demo ES v2"
+
+    # 复启用 → 域名恢复服务
+    r = super_client.patch(f"{TENANTS}/demo/sites/es",
+                           headers=_auth(super_client),
+                           json={"status": "active"})
+    assert r.status_code == 200
+    assert super_client.get(
+        "/api/public/brand",
+        headers={"host": "es.demo.example.com"}).status_code == 200
 
 
 def test_patch_tenant_name_and_validation(super_client, tmp_path):
@@ -417,7 +461,7 @@ def test_patch_tenant_name_and_validation(super_client, tmp_path):
 def test_list_tenants(super_client):
     _create(super_client, slug="demo",
             domains=["a.example.com", "b.example.com"])
-    _create(super_client, slug="other")
+    _create(super_client, slug="other", profile="blank")
     r = super_client.get(TENANTS, headers=_auth(super_client))
     assert r.status_code == 200
     items = {i["slug"]: i for i in r.json()["items"]}
@@ -433,7 +477,7 @@ def test_list_tenants(super_client):
 def test_detail_shape_and_scope(super_client):
     _create(super_client, slug="demo", admin="demo-admin",
             password="demo-pass-1", domains=["demo.example.com"])
-    _create(super_client, slug="other")
+    _create(super_client, slug="other", profile="blank")
     r = super_client.get(f"{TENANTS}/demo", headers=_auth(super_client))
     assert r.status_code == 200
     d = r.json()