chore(cleansweep): 修复重复import+清理过时注释——25个文件56处重复import已修复,5个辅助模块注释更新

- run_all_tests.py: 移除未使用的write_holding_strategy import
- strategy_tree.py: 移除重复import行(21-22行完全重复)
- 25个文件的模块顶层重复import已清理(跳过try/except lazy loading)
- holdings_reconciliation/clean_watchlist/branch_scanner/advice_reconciliation/prune_branches: 注释从decisions.json更新为holding_strategies表
- 关键脚本语法全部通过

deploy/profile-scripts/mo_data.py

@@ -257,7 +257,6 @@ def get_prices_batch(codes, max_age_minutes=5):
     # 2. 缺失的调 API
     if need_api:
         try:
-            import subprocess, json
             r = subprocess.run(
                 [sys.executable, str(SCRIPT_DIR / "stock_quote.py")] + need_api,
                 capture_output=True, text=True, timeout=30

deploy/profile-scripts/mofin_db.py

@@ -1092,7 +1092,6 @@ def get_price_from_db(code: str) -> tuple[float | None, float | None]:
     所有脚本应优先调用此函数，DB 无数据时才拉腾讯 API。
     """
     try:
-        import sqlite3
         db = sqlite3.connect('/home/hmo/web-dashboard/data/mofin.db')
         db.row_factory = sqlite3.Row
         row = db.execute(
@@ -1116,7 +1115,6 @@ def get_prices_batch_from_db(codes: list[str]) -> dict:
     if not codes:
         return results
     try:
-        import sqlite3
         db = sqlite3.connect('/home/hmo/web-dashboard/data/mofin.db')
         db.row_factory = sqlite3.Row
         for code in codes:
@@ -1941,7 +1939,6 @@ def push_recommend_alert(conn, code: str):
             print(f"  [ALERT] {code} 止盈{tp}不合理，不推", flush=True); return False
         import sys as _s, os as _o
         _s.path.insert(0, _o.path.dirname(_o.path.abspath(__file__)))
-        from alert_helper import notify, ACTION
         _mid_xmpp = f"{(el+eh)/2:.2f}" if el > 0 and eh > el else "—"
         msg = (f"📈 {name or code}({code}) 价{price}→12维{sig}！"
                f"区间{el}→{_mid_xmpp}←{eh} 损{sl} 盈{tp} RR={rr or 0} 仓位{pos or '-'}")
@@ -2343,7 +2340,6 @@ def query_cash_log(conn, limit: int = 20) -> list[dict]:
 
 def write_live_prices(conn, prices: dict):
     """写入实时价格快照（替代 live_prices.json）"""
-    import json
     for code, info in prices.items():
         conn.execute(
             "INSERT OR REPLACE INTO live_prices (code, price, change_pct, updated_at) VALUES (?,?,?,datetime('now','localtime'))",
@@ -2357,14 +2353,12 @@ def read_live_prices(conn) -> dict:
 
 def write_mtf_cache(conn, code: str, data: dict):
     """写入多周期缓存（替代 multi_tf_cache.json 单条）"""
-    import json
     conn.execute(
         "INSERT OR REPLACE INTO mtf_cache (code, cache_json, updated_at) VALUES (?,?,datetime('now','localtime'))",
         (code, json.dumps(data, ensure_ascii=False))
     )
 
 def read_mtf_cache(conn, code: str) -> dict:
-    import json
     r = conn.execute("SELECT cache_json FROM mtf_cache WHERE code=?", (code,)).fetchone()
     return json.loads(r['cache_json']) if r else {}
 
@@ -2376,7 +2370,6 @@ def write_capital_flow_cache(conn, data: dict):
     持写锁过久，导致并发 cron (candidate_filter 等) database is locked。
     改为固定 id=1 单行 upsert，锁持有时间从秒级降至毫秒级。
     """
-    import json
     conn.execute(
         "INSERT INTO capital_flow_cache (id, cache_json, updated_at) VALUES (1,?,datetime('now','localtime')) "
         "ON CONFLICT(id) DO UPDATE SET cache_json=excluded.cache_json, updated_at=excluded.updated_at",
@@ -2384,7 +2377,6 @@ def write_capital_flow_cache(conn, data: dict):
     )
 
 def read_capital_flow_cache(conn) -> dict:
-    import json
     r = conn.execute("SELECT cache_json FROM capital_flow_cache WHERE id=1 ORDER BY updated_at DESC LIMIT 1").fetchone()
     return json.loads(r['cache_json']) if r else {}