Auto-refresh review list and stats when trades or annotations change.

Clarify that category/style breakdowns need manual entry tagging.

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

app/db.py

@@ -398,6 +398,43 @@ def count_trades(
     return int(row["c"] if row else 0)
 
 
+def trades_fingerprint(
+    conn: sqlite3.Connection,
+    account_id: Optional[int] = None,
+    machine_id: Optional[int] = None,
+) -> str:
+    """列表/统计页轮询用：成交条数、最新 id/平仓时间、标注变化任一变即刷新。"""
+    clause, params = _trades_where(account_id, machine_id, hide_synthetic=True)
+    row = conn.execute(
+        f"""
+        SELECT COUNT(*) AS c,
+               COALESCE(MAX(t.id), 0) AS max_id,
+               COALESCE(MAX(t.close_time), 0) AS max_close,
+               COALESCE(MAX(t.open_time), 0) AS max_open,
+               SUM(CASE WHEN IFNULL(t.entry_style,'') != '' THEN 1 ELSE 0 END) AS annotated,
+               SUM(CASE WHEN IFNULL(t.review_issues,'') != '' THEN 1 ELSE 0 END) AS issues,
+               SUM(CASE WHEN t.close_time IS NULL OR t.close_time='' THEN 1 ELSE 0 END) AS open_n
+        FROM trades t
+        {clause}
+        """,
+        tuple(params),
+    ).fetchone()
+    if not row:
+        return "0"
+    return "|".join(
+        str(x)
+        for x in (
+            int(row["c"] or 0),
+            int(row["max_id"] or 0),
+            round(float(row["max_close"] or 0), 3),
+            round(float(row["max_open"] or 0), 3),
+            int(row["annotated"] or 0),
+            int(row["issues"] or 0),
+            int(row["open_n"] or 0),
+        )
+    )
+
+
 def list_trades(
     conn: sqlite3.Connection,
     limit: int = 200,
@@ -792,7 +829,7 @@ def trade_stats(
         "by_style": [
             _finalize_group(by_style[k])
             for k in style_order
-            if k in by_style and (by_style[k]["count"] or k in ENTRY_STYLES)
+            if k in by_style and by_style[k]["count"]
         ],
     }