fix: show archive chart times in UTC+8 and parse Beijing wall clock

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

manual_trading_hub/hub.py

@@ -48,6 +48,7 @@ from hub_symbol_archive_lib import (
     init_db as init_archive_db,
     list_symbol_rows,
     load_symbol_trades,
+    parse_wall_clock_ms,
     resolve_archive_chart,
     sync_exchange_symbol_archives,
     upsert_trade_overlay,
@@ -1903,19 +1904,7 @@ def _parse_anchor_ms(at: str = "", anchor_ms: str = "") -> int | None:
     raw = (anchor_ms or at or "").strip()
     if not raw:
         return None
-    if raw.isdigit():
-        v = int(raw)
-        return v if v > 1_000_000_000_000 else v * 1000
-    s = raw.replace("Z", "").replace("T", " ")
-    for fmt, ln in (("%Y-%m-%d %H:%M:%S", 19), ("%Y-%m-%d %H:%M", 16), ("%Y-%m-%d", 10)):
-        try:
-            from datetime import datetime
-
-            dt = datetime.strptime(s[:ln], fmt)
-            return int(dt.timestamp() * 1000)
-        except ValueError:
-            continue
-    return None
+    return parse_wall_clock_ms(raw)
 
 
 @app.get("/api/archive/meta")