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ukmesh/HANDOFF.md
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74d3ff156e fix(mqtt): skip offline status telemetry samples (MQTT Will) (#98)
* fix(mqtt): skip offline status telemetry samples

* docs: add MQTT Will telemetry handoff

* chore(db): renumber MQTT status migration to 057

052 is already taken on main by owner packet sharing; 055 predates main (unmerged branch) and is left untouched; 057 is the next free number after 056. Also appends the migration to the fresh-database expectation in packetBatch.integration.test.ts in sorted order.

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Co-authored-by: gadgethd <111318106+gadgethd@users.noreply.github.com>
Co-authored-by: hermes-gadget <284726080+hermes-gadget@users.noreply.github.com>
2026-10-01 01:28:50 +01:00

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Markdown

# Handoff — Mission B2 · MQTT Will fake telemetry (#332)
## Status
Done. Offline Will payloads are skipped for status samples, ordinary telemetry stores its top-level status, and the schema migration is included but unapplied.
## Branch and commits
- Branch: `fix/mqtt-will-telemetry`
- Base: `d44ef5e` (`origin/main`)
- Implementation: `ad473779ce0f1ff250f6a9494d8abe9abba7a9f1` — `fix(mqtt): skip offline status telemetry samples`
- Push state: not pushed; coordinator relays this branch.
## Files changed
- `backend/src/mqtt/client.ts`
- `backend/src/mqtt/statusTelemetry.ts`
- `backend/src/mqtt/statusTelemetry.test.ts`
- `backend/src/db/index.ts`
- `backend/src/db/schema/base.sql`
- `backend/src/db/migrations/057_node_status_sample_status.sql`
## Checks
Commands were run from `backend/`:
- `node --import tsx --test src/mqtt/statusTelemetry.test.ts` — passed, 2 tests.
- `npm test` — passed, 326 tests, 0 failures. The script excludes `*.integration.test.ts`.
- `npm run typecheck` — passed.
## Gated items for Ben
- Apply migration `057_node_status_sample_status.sql` through the normal deployment process, then deploy the ingest change. No live DB writes, migration application, or service restarts were performed in this worktree session.
- Historical rows and retained broker messages were not modified; clearing retained messages is out of scope for #332.
## Open questions
None.
## Evidence paths
- `BRIEF.md` — mission and constraints.
- `backend/src/mqtt/statusTelemetry.test.ts` — offline Will skip, ordinary sample storage, and top-level status coverage.
- `backend/src/db/migrations/057_node_status_sample_status.sql` — additive status column migration.