feat(hub): add data dashboard and AI chat with session history

Add /dashboard with daily PnL overview and loss alerts. Extend AI coach chat with history sidebar, delete/switch sessions, message copy, and trading vs general bot modes.

Co-authored-by: Cursor <cursoragent@cursor.com>

manual_trading_hub/hub_ai/store.py

@@ -140,12 +140,28 @@ def get_active_session() -> Optional[dict]:
     return None
 
 
-def create_new_session(*, trading_day: str, title: str = "新对话") -> dict:
+CHAT_BOT_TRADING = "trading"
+CHAT_BOT_GENERAL = "general"
+CHAT_BOT_MODES = frozenset({CHAT_BOT_TRADING, CHAT_BOT_GENERAL})
+
+
+def _normalize_bot_mode(raw: Any) -> str:
+    mode = (raw or CHAT_BOT_TRADING).strip().lower()
+    return mode if mode in CHAT_BOT_MODES else CHAT_BOT_TRADING
+
+
+def create_new_session(
+    *,
+    trading_day: str,
+    title: str = "新对话",
+    bot_mode: str = CHAT_BOT_TRADING,
+) -> dict:
     store = load_chat_store()
     session = {
         "id": uuid.uuid4().hex,
         "trading_day": trading_day,
         "title": title,
+        "bot_mode": _normalize_bot_mode(bot_mode),
         "created_at": _now_str(),
         "updated_at": _now_str(),
         "messages": [],
@@ -193,6 +209,71 @@ def append_chat_message(
     return target
 
 
+def _session_list_item(s: dict, *, active_id: Optional[str]) -> dict:
+    msgs = s.get("messages") or []
+    preview = ""
+    for m in reversed(msgs):
+        if m.get("role") == "user":
+            preview = str(m.get("content") or "").replace("\n", " ")[:48]
+            break
+    if not preview and msgs:
+        last = msgs[-1]
+        preview = str(last.get("content") or "").replace("\n", " ")[:48]
+    sid = str(s.get("id") or "")
+    return {
+        "id": sid,
+        "title": s.get("title") or "新对话",
+        "bot_mode": _normalize_bot_mode(s.get("bot_mode")),
+        "trading_day": s.get("trading_day"),
+        "created_at": s.get("created_at"),
+        "updated_at": s.get("updated_at"),
+        "message_count": len(msgs),
+        "preview": preview,
+        "is_active": sid and sid == str(active_id or ""),
+    }
+
+
+def list_chat_sessions(*, limit: int = 50) -> list[dict]:
+    store = load_chat_store()
+    active_id = store.get("active_session_id")
+    sessions = list(store.get("sessions") or [])
+    for s in sessions:
+        s.setdefault("bot_mode", CHAT_BOT_TRADING)
+    sessions.sort(key=lambda x: str(x.get("updated_at") or ""), reverse=True)
+    return [_session_list_item(s, active_id=active_id) for s in sessions[: max(1, min(limit, 100))]]
+
+
+def set_active_session(session_id: str) -> dict:
+    store = load_chat_store()
+    target = None
+    for s in store.get("sessions") or []:
+        if str(s.get("id")) == str(session_id):
+            target = s
+            break
+    if not target:
+        raise KeyError("session_not_found")
+    target.setdefault("bot_mode", CHAT_BOT_TRADING)
+    store["active_session_id"] = target["id"]
+    save_chat_store(store)
+    return target
+
+
+def delete_chat_session(session_id: str) -> tuple[bool, Optional[str]]:
+    store = load_chat_store()
+    sessions = list(store.get("sessions") or [])
+    new_sessions = [s for s in sessions if str(s.get("id")) != str(session_id)]
+    if len(new_sessions) == len(sessions):
+        return False, None
+    active = store.get("active_session_id")
+    new_active = active
+    if str(active) == str(session_id):
+        new_active = new_sessions[0]["id"] if new_sessions else None
+    store["sessions"] = new_sessions
+    store["active_session_id"] = new_active
+    save_chat_store(store)
+    return True, new_active
+
+
 def summary_excerpt_for_chat(trading_day: str, max_chars: int = 600) -> str:
     latest = get_latest_summary(trading_day)
     if not latest: