- Pre-declare Node.js compatibility flags in miniflare config to prevent [vpw:debug] messages during test runs - Use --no-file-parallelism to fix dangling handle causing "close timed out" warning on exit
- Statuspage webhook always returns 200 to prevent subscriber removal - Fix parseKvKey returning string chatId instead of number - Queue consumer retries on Telegram 5xx instead of acking (prevents message loss) - Fix observability top-level enabled flag (false → true) - Add defensive null checks for webhook payload body - Cache Bot instance per isolate to avoid middleware rebuild per request - Add vitest + @cloudflare/vitest-pool-workers with 31 tests - Document DLQ and KV sharding as declined features
