fix(hub): render AI coach summary and chat as Markdown

Reuse shared ai_review_render.js so summaries and coach replies display formatted lists and bold text instead of raw syntax.

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

manual_trading_hub/hub.py

@@ -234,6 +234,21 @@ async def _hub_lifespan(_app: FastAPI):
 
 app = FastAPI(title="复盘系统中控", docs_url=None, redoc_url=None, lifespan=_hub_lifespan)
 STATIC_DIR = DIR / "static"
+_REPO_STATIC = _REPO_ROOT / "static"
+_AI_REVIEW_RENDER_JS = _REPO_STATIC / "ai_review_render.js"
+
+
+@app.get("/assets/ai_review_render.js")
+def hub_ai_review_render_js():
+    """与四所实例共用仓库根 static/ai_review_render.js（须在 /assets mount 之前注册）。"""
+    if not _AI_REVIEW_RENDER_JS.is_file():
+        raise HTTPException(status_code=404, detail="ai_review_render.js not found")
+    return FileResponse(
+        str(_AI_REVIEW_RENDER_JS),
+        media_type="application/javascript; charset=utf-8",
+    )
+
+
 if STATIC_DIR.is_dir():
     app.mount("/assets", StaticFiles(directory=str(STATIC_DIR)), name="assets")