fix: 股票名称治理——price_monitor/mofin_db写入stocks时名称守卫(stocks已有真名→复用,无→腾讯quote兜底,REPLACE不再覆盖真名),回填stocks 341行+candidates 201行真名,指数行正名,删6行垃圾code行

deploy/profile-scripts/mofin_db.py

@@ -693,6 +693,14 @@ def write_klines(conn: sqlite3.Connection, code: str, name: str,
             exchange, stype = "SZ", "A"
 
         # stocks 表（INSERT OR REPLACE）
+        # 2026-08-22 名称治理：name 缺失/等于代码时保留已有真名，避免 REPLACE 覆盖好数据
+        if not name or str(name) == str(code):
+            try:
+                _r = conn.execute("SELECT name FROM stocks WHERE code=?", (str(code),)).fetchone()
+                if _r and _r[0] and _r[0] != str(code):
+                    name = _r[0]
+            except Exception:
+                pass
         conn.execute(
             "INSERT OR REPLACE INTO stocks (code, name, exchange, type, updated_at) VALUES (?, ?, ?, ?, ?)",
             (code, name, exchange, stype, datetime.now().isoformat()))
@@ -1085,6 +1093,39 @@ def query_latest_market(conn: sqlite3.Connection) -> dict:
 # 通用工具
 # ═══════════════════════════════════════════════════════════════════
 
+def fetch_stock_name_tencent(code: str) -> str | None:
+    """腾讯 quote 单票查名（数据层专用，2026-08-22 名称治理）。
+
+    A股按 6/9→sh、其余→sz；港股5位0/1开头→hk。查到真名返回，查不到返回 None。
+    """
+    import urllib.request
+    code = str(code).strip()
+    if not code:
+        return None
+    if len(code) == 5 and code[0] in "01":
+        sym = "hk" + code
+    elif code[0] in "69":
+        sym = "sh" + code
+    else:
+        sym = "sz" + code
+    try:
+        url = f"http://qt.gtimg.cn/q={sym}"
+        req = urllib.request.Request(url, headers={"User-Agent": "Mozilla/5.0"})
+        with urllib.request.urlopen(req, timeout=5) as resp:
+            text = resp.read().decode("gbk", errors="ignore")
+        # 格式: v_sh600110="1~诺德股份~600110~..."
+        if '="' in text and "~" in text:
+            payload = text.split('="', 1)[1]
+            parts = payload.split("~")
+            if len(parts) > 1:
+                name = parts[1].strip()
+                if name and name != code:
+                    return name
+    except Exception:
+        pass
+    return None
+
+
 def get_price_from_db(code: str) -> tuple[float | None, float | None]:
     """从 DB 读取最新价格（price_monitor 维护）。
     返回 (price, change_pct) 或 (None, None)