## Summary
- add asynchronous PostgreSQL parity to research commands and engine
execution paths
- persist Roadmap, Compound Engineering sessions, and WhatsApp state in
PostgreSQL
- harden cancellation, concurrency, reconnect, replay-claim, and
detached-promise behavior
- bundle the PostgreSQL-backed integration implementations in the
published CLI
This is PR 2 of 2 and is intentionally stacked on #2088. It contains 44
changed files; merge #2088 first, then retarget this PR to `main` if
GitHub does not do so automatically.
## Verification
- `pnpm check:changesets --strict`
- `pnpm lint`
- `pnpm test:gate`: 463 tests passed
- Compound Engineering plugin: 299 tests passed
- Roadmap plugin: 144 tests passed
- WhatsApp plugin: 27 tests passed
- research CLI: 18 tests passed
- `pnpm verify:fast`: all scoped typechecks, builds, CLI build, and boot
smoke passed
## Post-Deploy Monitoring & Validation
- deploy only after #2088 and verify schema migration `0002` is present
- monitor research cancellation, automation claims, agent execution,
plugin schema initialization, and unhandled rejections
- validate Roadmap ownership, Compound Engineering session recovery, and
WhatsApp reconnect/replay deduplication
- compare per-project plugin and workflow counts after cutover
- restore the pre-deploy backup for data rollback; avoid an in-place
schema downgrade
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