fix: 10 пунктов ревью — /run (кортеж store.add), валидация limit/offset в панели, close() соединений SQLite, троттлинг под локом, read-only бот без OMNI_BOT_OWNERS, eviction JOBS, push_new отдаёт свежие записи, ai.py не спит после последней попытки, дедуп реестра, подключён abuse-реестр (+191 источник); tests/test_regress.py 16 проверок + CI py3.10-3.12

omni/store.py

@@ -1,4 +1,5 @@
 """Склад: sqlite WAL + FTS5. Таблицы items, runs; дедуп по ключу и simhash-полосам."""
+import contextlib
 import json
 import sqlite3
 import time
@@ -50,6 +51,21 @@ def conn():
     return c
 
 
+@contextlib.contextmanager
+def db():
+    """Соединение с гарантированным close(): `with conn()` коммитит, но не закрывает,
+    и хендлы копятся (замер: 200 вызовов == +76 handles)."""
+    c = conn()
+    try:
+        yield c
+        c.commit()
+    except Exception:
+        c.rollback()
+        raise
+    finally:
+        c.close()
+
+
 def _signed(h):
     return h - (1 << 64) if h >= (1 << 63) else h
 
@@ -59,18 +75,25 @@ def _unsigned(v):
 
 
 def _popcount(x):
-    return bin(x).count("1")
+    try:
+        return x.bit_count()      # py3.10+, быстрее bin().count("1")
+    except AttributeError:
+        return bin(x).count("1")
 
 
 def _near_dup(c, h, max_dist=3):
     """Кандидат ищем по полосе, решение принимаем по расстоянию Хэмминга."""
     h = _unsigned(h)
+    seen = set()
     for b in range(BANDS):
         band = (h >> (16 * b)) & MASK
         rows = c.execute(
-            "SELECT i.h FROM bands b JOIN items i ON i.id=b.item_id "
-            "WHERE b.band=? LIMIT 200", (b,)).fetchall()
-        for (other,) in rows:
+            "SELECT i.id, i.h FROM bands b JOIN items i ON i.id=b.item_id "
+            "WHERE b.band=?", (b,)).fetchall()
+        for iid, other in rows:
+            if iid in seen:
+                continue
+            seen.add(iid)
             if _popcount(_unsigned(other) ^ h) <= max_dist:
                 return True
     return False
@@ -80,7 +103,7 @@ def add(items):
     """Возвращает (новых, дублей)."""
     new = dup = 0
     ts = int(time.time())
-    with conn() as c:
+    with db() as c:
         for it in items:
             h = _unsigned(it.h)
             if _near_dup(c, h):
@@ -111,7 +134,7 @@ def add(items):
 
 
 def log_run(provider, source, query, got, kept, status, nbytes=0, mode=""):
-    with conn() as c:
+    with db() as c:
         c.execute("INSERT INTO runs(ts,provider,source,query,got,kept,status,bytes,mode) "
                   "VALUES(?,?,?,?,?,?,?,?,?)",
                   (int(time.time()), provider, source, (query or "")[:200], got, kept, status, nbytes, mode))
@@ -122,12 +145,12 @@ def top(limit=20, provider=None):
          + ("WHERE provider=? " if provider else "") +
          "ORDER BY score DESC, id DESC LIMIT ?")
     args = (provider, limit) if provider else (limit,)
-    with conn() as c:
+    with db() as c:
         return c.execute(q, args).fetchall()
 
 
 def search(q, limit=20):
-    with conn() as c:
+    with db() as c:
         rows = c.execute(
             "SELECT i.provider,i.kind,i.source,i.title,i.score,i.url FROM items_fts f "
             "JOIN items i ON i.id=f.rowid WHERE items_fts MATCH ? ORDER BY i.score DESC LIMIT ?",
@@ -153,7 +176,7 @@ def browse(category=None, q="", limit=60, offset=0):
         args += [f"%{q}%", f"%{q}%"]
     sql += "ORDER BY score DESC, id DESC LIMIT ? OFFSET ?"
     args += [limit, offset]
-    with conn() as c:
+    with db() as c:
         rows = c.execute(sql, args).fetchall()
     keys = ("provider", "kind", "source", "title", "text", "author", "published", "score", "price", "currency", "url", "types")
     return [dict(zip(keys, r)) for r in rows]
@@ -177,7 +200,7 @@ def browse2(q="", names=None, limit=60, offset=0, sort="score", priced=False, ty
     order = {"fresh": "ORDER BY published DESC, id DESC",
              "price": "ORDER BY CAST(price AS REAL) DESC, score DESC",
              "old": "ORDER BY published ASC, id ASC"}.get(sort, "ORDER BY score DESC, id DESC")
-    with conn() as c:
+    with db() as c:
         total = c.execute("SELECT COUNT(*) FROM items " + where, args).fetchone()[0]
         rows = c.execute("SELECT provider,kind,source,title,text,author,published,score,price,currency,url,types "
                          "FROM items " + where + order + " LIMIT ? OFFSET ?",
@@ -189,7 +212,7 @@ def browse2(q="", names=None, limit=60, offset=0, sort="score", priced=False, ty
 def type_counts():
     """Сколько записей на каждый тип."""
     out = {}
-    with conn() as c:
+    with db() as c:
         for row in c.execute("SELECT COALESCE(types,'') FROM items"):
             for t in (row[0] or "").split(","):
                 t = t.strip()
@@ -201,7 +224,7 @@ def type_counts():
 def retype(limit=None):
     """Пересчитать типы у уже сохранённых записей."""
     n = 0
-    with conn() as c:
+    with db() as c:
         q = "SELECT id,title,text FROM items"
         if limit:
             q += " LIMIT %d" % int(limit)
@@ -213,11 +236,11 @@ def retype(limit=None):
 
 
 def count_by_source():
-    with conn() as c:
+    with db() as c:
         return dict(c.execute("SELECT source, COUNT(*) FROM items GROUP BY source").fetchall())
 
 def stats():
-    with conn() as c:
+    with db() as c:
         total = c.execute("SELECT COUNT(*) FROM items").fetchone()[0]
         by_prov = c.execute("SELECT provider, COUNT(*) FROM items GROUP BY provider ORDER BY 2 DESC").fetchall()
         by_kind = c.execute("SELECT kind, COUNT(*) FROM items GROUP BY kind ORDER BY 2 DESC").fetchall()
@@ -230,7 +253,7 @@ def stats():
 
 def export(path, fmt="jsonl", limit=1000):
     path = Path(path)
-    with conn() as c:
+    with db() as c:
         rows = c.execute("SELECT provider,kind,source,url,title,text,author,published,lang,tags,"
                          "price,currency,score,extra FROM items ORDER BY score DESC LIMIT ?",
                          (limit,)).fetchall()
@@ -255,7 +278,7 @@ def dedupe(apply: bool = False):
     Оставляет самую свежую (max id). Возвращает (групп, лишних_строк, удалено).
     """
     key = "CASE WHEN url IS NULL OR url = '' THEN source || '|' || title ELSE url END"
-    with conn() as c:
+    with db() as c:
         groups = c.execute(
             "SELECT count(*) FROM (SELECT " + key + " k FROM items GROUP BY k HAVING count(*) > 1)").fetchone()[0]
         extra = c.execute(