feat(web): visit 204 response, up page header/sort, trim system page

tests/test_web_server.py

@@ -194,37 +194,37 @@ def test_visit_endpoint_and_stats():
         running = RunningServer(tmp)
         try:
             ua = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) Chrome/155.0"}
-            # 上报：可信对端 127.0.0.1 + X-Real-IP → 记录真实 IP 与归一化路由
-            status, _, payload = running.json(
+            collector = running.server.context.visits
+
+            # 上报：返回 204（无响应体），可信对端 + X-Real-IP → 记录真实 IP 与归一化路由
+            status, _, body = running.request(
                 "/api/visit", method="POST",
                 headers={**ua, "Content-Type": "application/json", "X-Real-IP": "203.0.113.7"},
                 body=json.dumps({"path": "/video/123"}),
             )
-            assert status == 200 and payload["data"]["recorded"] is True
-            assert payload["data"]["route"] == "/video/:aid"
-
-            status, _, payload = running.json(
+            assert status == 204 and body == b""
+            status, _, body = running.request(
                 "/api/visit", method="POST",
                 headers={**ua, "Content-Type": "application/json", "X-Real-IP": "203.0.113.7"},
                 body=json.dumps({"path": "/videos"}),
             )
-            assert status == 200 and payload["data"]["recorded"] is True
+            assert status == 204 and body == b""
 
-            collector = running.server.context.visits
             assert collector.pending_keys == 2
+            routes = {(row["ip"], row["path"]) for row in collector.pending_rows()}
+            assert routes == {("203.0.113.7", "/video/:aid"), ("203.0.113.7", "/videos")}
 
             # 机器人 UA 被过滤，不计数
-            status, _, payload = running.json(
+            status, _, body = running.request(
                 "/api/visit", method="POST",
                 headers={"User-Agent": "Googlebot/2.1", "Content-Type": "application/json"},
                 body=json.dumps({"path": "/home"}),
             )
-            assert status == 200 and payload["data"]["recorded"] is False
-            assert payload["data"]["reason"] == "bot"
+            assert status == 204
             assert collector.pending_keys == 2
 
-            # 超大请求体被拒绝
-            status, _, _ = running.json(
+            # 超大请求体被拒绝（JSON 错误仍返回）
+            status, _, _ = running.request(
                 "/api/visit", method="POST",
                 headers={**ua, "Content-Type": "application/json"},
                 body=json.dumps({"path": "/" + "x" * 4000}),
@@ -283,9 +283,9 @@ def test_visit_query_path_drains_body():
                 headers={**ua, "Content-Type": "application/json"},
             )
             first = conn.getresponse()
-            first_payload = json.loads(first.read())
-            assert first.status == 200
-            assert first_payload["data"]["route"] == "/about"
+            assert first.status == 204 and first.read() == b""
+            # 路径来自查询串而非请求体
+            assert running.server.context.visits.pending_rows()[0]["path"] == "/about"
 
             # 同一连接继续发请求：若上一次请求体未被读走，这里会解析错位
             conn.request("GET", "/api/health")