fix: improve AI coach chat context, 128k window, and output limits

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

manual_trading_hub/hub_ai/context.py

@@ -9,7 +9,13 @@ from typing import Any, Optional
 
 import httpx
 
-from hub_ai.config import FUND_HISTORY_DAYS, hub_agent_timeout, hub_flask_timeout, trading_day_reset_hour
+from hub_ai.config import (
+    CHAT_CONTEXT_MAX_CHARS,
+    FUND_HISTORY_DAYS,
+    hub_agent_timeout,
+    hub_flask_timeout,
+    trading_day_reset_hour,
+)
 from hub_ai.fund_history import format_fund_history_text, get_fund_history, record_fund_snapshot
 from hub_trades_lib import current_trading_day, summarize_trades
 
@@ -706,15 +712,71 @@ def format_chat_position_overview(payload: dict) -> str:
     return "\n".join(lines)
 
 
-def format_chat_context_for_chat(payload: dict, max_chars: int = 5200) -> str:
+def format_chat_context_slim(payload: dict) -> str:
+    """聊天专用：不含 180 日资金曲线与昨日平仓明细，避免挤占对话上下文。"""
+    totals = payload.get("totals") or {}
+    day = totals.get("trading_day")
+    lines = [
+        f"【今日合计 {day}】平仓盈亏 {totals.get('total_pnl_u')}U | "
+        f"笔数 {totals.get('closed_count')}（胜{totals.get('win_count')}/负{totals.get('loss_count')}）| "
+        f"实盘持仓 {totals.get('open_position_count', 0)} 仓 | 浮盈亏 {totals.get('float_pnl_u')}U",
+        "【说明】持仓=交易所实盘；趋势/关键位/监控单=本地计划，不等于已开仓。",
+    ]
+    for ac in payload.get("accounts") or []:
+        if ac.get("status") == "未监控":
+            lines.append(f"- {ac.get('name')}：未监控")
+            continue
+        st = ac.get("trade_stats") or {}
+        open_n = int(ac.get("open_position_count") or _account_open_position_count(ac))
+        pos_txt = "空仓" if open_n <= 0 else f"{open_n}仓 浮盈亏{ac.get('float_pnl_u')}U"
+        mc = _monitor_counts(ac)
+        mon = []
+        if mc["trends"]:
+            mon.append(f"趋势{mc['trends']}")
+        if mc["rolls"]:
+            mon.append(f"加仓{mc['rolls']}")
+        if mc["keys"]:
+            mon.append(f"关键位{mc['keys']}")
+        if mc["orders"]:
+            mon.append(f"监控单{mc['orders']}")
+        mon_txt = f"；监控 {'/'.join(mon)}" if mon else ""
+        lines.append(
+            f"- {ac.get('name')}：{pos_txt} | 今日盈亏{st.get('total_pnl_u')}U "
+            f"({st.get('closed_count')}笔) | 资金{_fmt_fund(ac.get('funding_usdt'))} "
+            f"交易{_fmt_fund(ac.get('trading_usdt'))}{mon_txt}"
+        )
+        trades = ac.get("trades") or []
+        if trades:
+            for t in trades[:4]:
+                lines.append(f"    · {_format_trade_line(t)}")
+            if len(trades) > 4:
+                lines.append(f"    · …共{len(trades)}笔今日平仓")
+        positions = ac.get("positions") or []
+        for p in positions[:4]:
+            if not isinstance(p, dict):
+                continue
+            sym = p.get("symbol") or "?"
+            side = p.get("side") or "?"
+            upnl = _position_float_pnl(p)
+            lines.append(f"    · 持仓 {sym} {side} 浮盈亏{upnl:.4f}U")
+    return "\n".join(lines)
+
+
+def format_chat_context_for_chat(
+    payload: dict,
+    max_chars: int = CHAT_CONTEXT_MAX_CHARS,
+) -> str:
     overview = format_chat_position_overview(payload)
-    body = format_context_text(payload)
+    body = str(payload.get("text") or "").strip() or format_context_text(payload)
     text = overview + "\n\n" + body
     if len(text) <= max_chars:
         return text
-    budget = max(800, max_chars - len(overview) - 4)
-    return overview + "\n\n" + body[:budget].rstrip() + "..."
+    budget = max(2000, max_chars - len(overview) - 4)
+    return overview + "\n\n" + body[:budget].rstrip() + "…"
 
 
-def format_chat_context_brief(payload: dict, max_chars: int = 4500) -> str:
+def format_chat_context_brief(
+    payload: dict,
+    max_chars: int = CHAT_CONTEXT_MAX_CHARS,
+) -> str:
     return format_chat_context_for_chat(payload, max_chars=max_chars)