fix: follow active Telegram transcript after rotation

cron_tasks/ingest_transcript_to_db.py

@@ -13,13 +13,14 @@ import os
 from dataclasses import dataclass
 from datetime import datetime, timezone
 from pathlib import Path
-from typing import Any, Dict, Iterable, List
+from typing import Any, Dict, Iterable, List, Optional
 from uuid import NAMESPACE_URL, uuid5
 
 WORKSPACE = Path("/root/.openclaw/workspace")
 MEMORY_DIR = WORKSPACE / "memory"
 SOURCES_PATH = MEMORY_DIR / "session_sources.json"
 STATE_PATH = MEMORY_DIR / "session_db_ingest_state.json"
+SESSIONS_INDEX = Path("/root/.openclaw/agents/main/sessions/sessions.json")
 
 BRAIN_DIR = WORKSPACE / "second-brain"
 DB_PATH = Path(os.environ.get("BRAIN_DB", str(BRAIN_DIR / "data" / "brain.sqlite")))
@@ -71,6 +72,19 @@ class Source:
     transcript_path: Path
 
 
+def _discover_current_transcript(label: str) -> Optional[Path]:
+    parts = label.rsplit(":", 1)
+    if len(parts) != 2 or not parts[1].isdigit():
+        return None
+    payload = _load_json(SESSIONS_INDEX, {})
+    direct = payload.get(f"agent:main:telegram:direct:{parts[1]}") if isinstance(payload, dict) else None
+    session_file = direct.get("sessionFile") if isinstance(direct, dict) else None
+    if not isinstance(session_file, str):
+        return None
+    path = Path(session_file)
+    return path if path.exists() else None
+
+
 def _load_sources() -> List[Source]:
     payload = _load_json(SOURCES_PATH, {"sources": []})
     sources: List[Source] = []
@@ -81,7 +95,8 @@ def _load_sources() -> List[Source]:
         p = item.get("path")
         if not isinstance(p, str) or not p:
             continue
-        sources.append(Source(label=label, transcript_path=Path(p)))
+        transcript_path = _discover_current_transcript(label) or Path(p)
+        sources.append(Source(label=label, transcript_path=transcript_path))
     return sources
 
 
@@ -157,4 +172,3 @@ def run() -> Dict[str, Any]:
 
 if __name__ == "__main__":
     print(json.dumps(run(), ensure_ascii=False, indent=2))
-