feat: brand 白名单下发(站点覆盖/租户头像/CORS) + widget/chat 客户端 key 租户化 + 会话站点标

Co-Authored-By: Claude Code <noreply@anthropic.com>

tests/test_widget_namespacing.py

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+"""Task 10 静态+路由回归网:客户端 key 租户化 / brand fetch 机制 / 会话站点标。
+
+- 静态断言仿 test_theme_static 风格(Path(__file__) 锚定仓库静态文件);
+- 品牌值已自 widget.js/chat.js/chat.html 迁入 seed_profiles/*/tenant.json
+  (断言语义等价迁移:锚 seed_profiles 值或锚 fetch 机制);
+- 服务端配套:WS init 的 site 与 REST ?site= 记入 client_info["site"]。
+"""
+import asyncio
+import json
+from pathlib import Path
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine
+from sqlalchemy.pool import NullPool
+
+from app.engine.models import Conversation
+
+REPO = Path(__file__).resolve().parents[1]
+STATIC = REPO / "static"
+SEED = REPO / "seed_profiles"
+
+
+def _read(rel):
+    return (STATIC / rel).read_text(encoding="utf-8")
+
+
+# ---- 客户端 key 租户化 ---------------------------------------------------------
+
+
+def test_widget_keys_namespaced_by_slug():
+    src = _read("widget.js")
+    assert "cc-widget-host-" in src          # host id 拼租户 slug（模板串形式）
+    assert "widget_invite_dismissed_" in src # sessionStorage key 同
+
+
+def test_chat_session_key_namespaced_by_slug():
+    src = _read("js/chat.js")
+    assert "cc_session_id_" in src           # 独立页 localStorage 会话 key 同
+
+
+# ---- brand fetch 机制(迁移后品牌事实源 = seed_profiles)------------------------
+
+
+def test_widget_fetches_brand_with_site_param():
+    src = _read("widget.js")
+    assert "/api/public/brand" in src        # 启动即取品牌
+    assert "?site=" in src                   # data-site 进 query(空域名站点接入)
+    assert "no-store" in src                 # 品牌热更新即时生效
+
+
+def test_widget_ws_init_carries_site():
+    src = _read("widget.js")
+    assert "site: siteAttr" in src           # WS init 消息带 site
+
+
+def test_brand_values_live_in_seed_profiles():
+    """等价迁移锚:原锚 widget.js 硬编码品牌文案的用例改锚 seed_profiles 值
+    (品牌事实源自 Task 10 起迁入 tenant.json)。"""
+    jc = json.loads((SEED / "jiancai" / "tenant.json").read_text(encoding="utf-8"))
+    b = jc["config"]["brand"]
+    assert b["title"] == "HESUPIPE Support"
+    assert b["whatsapp"] == "+8615937108317"
+    assert b["email"] == "hesu@hesuu.com"
+    assert b["privacy_url"] == "https://hesupipe.com/privacy-policy"
+    assert b["topics"] == ["Get Quotation", "Pipe Specifications", "Delivery & Shipping"]
+    es = next(s for s in jc["sites"] if s["slug"] == "es")
+    assert es["brand"]["title"] == "HESUPIPE Soporte"
+    auto = json.loads((SEED / "auto" / "tenant.json").read_text(encoding="utf-8"))
+    ab = auto["config"]["brand"]
+    assert ab["title"] == "HESU Support"
+    assert ab["whatsapp"] == "+8619037179250"
+    assert ab["topics"] == ["Get Quotation", "Distributor Cooperation"]
+
+
+def test_no_brand_copy_left_in_client_files():
+    """等价迁移锚:三份客户端文件不再内嵌任何租户品牌值(联系号/邮箱/品牌名/
+    隐私 URL),品牌只经 /api/public/brand 下发。"""
+    for rel in ("widget.js", "js/chat.js", "chat.html"):
+        src = _read(rel)
+        assert "HESUPIPE" not in src, f"{rel} 残留品牌名"
+        assert "8615937108317" not in src and "8619037179250" not in src, f"{rel} 残留联系号"
+        assert "hesuu.com" not in src and "borderlesscar.com" not in src, f"{rel} 残留邮箱域名"
+        assert "hesupipe.com" not in src, f"{rel} 残留隐私 URL 域名"
+
+
+# ---- 服务端配套:会话打站点标 ---------------------------------------------------
+
+
+def _read_client_info(db_path: Path, session_id: str) -> dict:
+    """直读租户库验证 client_info——新开 NullPool engine(不复用 TestClient
+    循环里的 Registry engine,跨循环复用会死锁;同文件 WAL 多连接读安全)。"""
+    async def q():
+        engine = create_async_engine(
+            f"sqlite+aiosqlite:///{db_path.as_posix()}", poolclass=NullPool)
+        try:
+            async with AsyncSession(engine) as s:
+                conv = (await s.execute(
+                    select(Conversation).where(
+                        Conversation.session_id == session_id))).scalar_one()
+                return dict(conv.client_info or {})
+        finally:
+            await engine.dispose()
+    return asyncio.run(q())
+
+
+def test_ws_init_site_recorded_in_client_info(app_client, tmp_path):
+    with app_client.websocket_connect("/ws/chat") as ws:
+        ws.send_text(json.dumps({"source": "widget", "site": "es"}))
+        sid = ws.receive_json()["session_id"]
+    assert _read_client_info(tmp_path / "jiancai.db", sid).get("site") == "es"
+
+
+def test_ws_init_without_site_no_tag(app_client, tmp_path):
+    with app_client.websocket_connect("/ws/chat") as ws:
+        ws.send_text(json.dumps({"source": "widget"}))
+        sid = ws.receive_json()["session_id"]
+    assert "site" not in _read_client_info(tmp_path / "jiancai.db", sid)
+
+
+def test_rest_session_site_query_recorded(app_client, tmp_path):
+    sid = app_client.post("/api/chat/session?site=es", json={}).json()["session_id"]
+    assert _read_client_info(tmp_path / "jiancai.db", sid).get("site") == "es"
+
+
+def test_rest_session_without_site_no_tag(app_client, tmp_path):
+    sid = app_client.post("/api/chat/session", json={}).json()["session_id"]
+    assert "site" not in _read_client_info(tmp_path / "jiancai.db", sid)