- Fix SSE streams not terminating on successful jobs (C-2)
- Anchor data/session paths to BASE_DIR instead of CWD (C-3)
- Guard TelegramAuthManager state with RLock (H-1)
- Replace millisecond job ids with uuid4 (H-2)
- Always redact api_id/api_hash on export, drop include_secrets (H-3)
- Enforce JSON content-type + same-origin on mutating requests (H-4)
- Rate-limit auth attempts and phone-code requests (H-5)
- Deep-copy StateStore.load() on all paths (H-6)
- Cap FloodWait retries in forward_message (H-7)
- De-duplicate forwarding handler registration (H-8)
- Validate continuous channels at ingest, join scrape thread on account
removal, fix refresh_config status under lock, cap SSE streams and
JSON body size (M-5, M-6, M-17)
- Add regression tests (33 passing) and REVIEW.md
- OptimizedTelegramScraper accepts account_id parameter;
sets DATA_DIR to data/accounts/<id>/ when provided
- Session path uses account_session_path() for per-account session files
- initialize_client() reads per-account credentials from account state store
- ScraperJobService passes account_id from payload to scraper constructor
- Per-account state loaded from AccountStateStore before scraping