fix: use host network and restore web chat records

web/api.py

@@ -62,16 +62,36 @@ async def api_stats(day: str = Query(default=None, pattern=r"^\d{4}-\d{2}-\d{2}$
     return JSONResponse(await get_daily_stats(day))
 
 
+def normalize_message(row: dict) -> dict:
+    row = dict(row)
+    row["time"] = row.get("created_at")
+    row["spam"] = row.get("is_spam", False)
+    return row
+
+
+def normalize_ban(row: dict) -> dict:
+    row = dict(row)
+    row["time"] = row.get("created_at")
+    return row
+
+
 @app.get("/api/messages")
 async def api_messages(limit: int = Query(default=50, ge=1, le=500)):
     msgs = await Message.all().order_by("-created_at").limit(limit).values()
-    return JSONResponse(json_safe(list(msgs)))
+    return JSONResponse(json_safe([normalize_message(m) for m in msgs]))
+
+
+@app.get("/api/chat")
+async def api_chat(limit: int = Query(default=100, ge=1, le=500)):
+    """兼容旧前端：返回聊天记录。"""
+    msgs = await Message.all().order_by("-created_at").limit(limit).values()
+    return JSONResponse(json_safe([normalize_message(m) for m in msgs]))
 
 
 @app.get("/api/bans")
 async def api_bans(limit: int = Query(default=100, ge=1, le=500)):
     bans = await Ban.all().order_by("-created_at").limit(limit).values()
-    return JSONResponse(json_safe(list(bans)))
+    return JSONResponse(json_safe([normalize_ban(b) for b in bans]))
 
 
 @app.get("/api/actions")
@@ -111,6 +131,7 @@ async def api_stream(request: Request):
 
     async def event_generator():
         try:
+            yield {"event": "connected", "data": "ok"}
             while True:
                 if await request.is_disconnected():
                     break