feat(scheduler,conversations,api): cron and schedule in the gateway tz, job runs persisted

src/beaver_gateway/core/conversations.py

@@ -23,7 +23,7 @@ import logging
 import re
 import uuid
 from dataclasses import dataclass, field
-from datetime import UTC, date, datetime, timedelta
+from datetime import UTC, date, datetime, timedelta, tzinfo
 from typing import TYPE_CHECKING, Any, cast
 
 from claude_agent_sdk import (
@@ -298,6 +298,10 @@ class Conversations:
         self._tasks: set[asyncio.Task[None]] = set()
         self._idle_task: asyncio.Task[None] | None = None
 
+    @property
+    def db(self) -> Database:
+        return self._db
+
     @property
     def queue(self) -> InjectQueue:
         return self._queue
@@ -964,6 +968,7 @@ class Conversations:
         if result.text.strip():
             await self.inject(parent, result.text, urgency="normal", origin="слив")
         await self.set_status(conv, "merged")
+        await self.mark_closed(conv)
         self._bus.publish(
             "conversation.merged",
             conversation_id=conv.external_id,
@@ -1946,7 +1951,7 @@ class Conversations:
             )
 
 
-def parse_at(at: str) -> datetime:
+def parse_at(at: str, tz: tzinfo = UTC) -> datetime:
     raw = at.strip()
     match = _RELATIVE.match(raw.replace(" ", ""))
     if match:
@@ -1954,7 +1959,7 @@ def parse_at(at: str) -> datetime:
         return datetime.now(UTC) + timedelta(seconds=int(amount) * _UNITS[unit])
     parsed = datetime.fromisoformat(raw)
     if parsed.tzinfo is None:
-        parsed = parsed.astimezone()
+        parsed = parsed.replace(tzinfo=tz)
     return parsed.astimezone(UTC)