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Marc-André Bombeck
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Every interactive path, every import, MCP and Telegram checked an incoming measurement against VALUE_RANGES before storing it. The provider sync writers did not, so a decode slip or a glitched sensor landed a row the application itself calls impossible, and every mean, median and personal band derived from it inherited the impossibility. Filtering the read side hid the row. It kept landing. The gate is one module reading the domain the app already declares, applied at two kinds of seam. reconcileExternalMeasurement is the shared identity writer for Polar, Oura, WHOOP, the Withings sleep leg, the Apple export importer and the batch endpoint, so gating there means a provider added later inherits the refusal rather than having to remember a check it never knew about; the new rejected_range verdict carries no row, which is what makes the compiler force every caller to handle it. The five writers that hold Prisma themselves gate at their entry, before the existence probe decides insert versus overwrite, so an impossible reading can no longer replace a good stored value. An out-of-band value is dropped. Not clamped, because a clamp invents a reading nobody took. Not stored behind a flag, because a quarantined row is still a row and every consumer would have to learn the flag. Not fatal to the batch, because one bad sample must not strand the run's other readings behind a held watermark. Absence reads as absence. A silent drop, though, is indistinguishable from a provider that sent nothing, so every drop is tallied on the wide event under measurement.range_rejected with the metric, the provider and the edge it broke. Counts only: the reading itself is health data and never enters the log line, and the direction plus the metric's own declared bound is what a diagnosis actually needs. The tally accumulates rather than replacing, because a provider gates once per resource leg and the reconciler once per row. One warning per provider lifts the event to warn so a drop does not hide inside a green line. A structural guard enumerates all twenty measurement writers with the reason each is allowed to write, so a new one has to answer the question before it ships. scripts/diagnose-implausible-measurements.ts reports the rows already stored, aggregated per metric and source with no value beyond the bucket's own extremes. It repairs nothing: whether a stored impossible row is a decode slip or a band that is too narrow is not a call a script gets to make.
scripts/
One-shot operator and build scripts. These are not part of the running application — they are run by hand during a deploy, a backfill, or a release, or wired into CI. Recurring work belongs on pg-boss (src/lib/jobs/), not here.
How to run them
From a source checkout:
pnpm dlx tsx scripts/<file>.ts
The production image intentionally removes npm, pnpm, and Corepack. Only
container-safe scripts named by an operator runbook use its pinned
healthlog-tsx launcher; scripts that import the full application dependency
graph must run from a source checkout. scripts/ is excluded from the project
typecheck.
What lives here
generate-openapi.ts— emitsdocs/api/openapi.yamlfrom the registered Zod schemas (pnpm openapi:generate).check-openapi.ts— compares a freshly generated spec against the committed YAML; CI fails on drift (pnpm openapi:check).check-env.ts— pre-deploy env-var sanity check againstenv-manifest.json(pnpm check-env); wired into CI.assert-deploy.ts— post-deploy/api/versionassertion.rotate-encryption-key.ts— AES-256-GCM key rotation; seedocs/ops/encryption-key-rotation.md.restore-backup.ts— restore an off-host AES-GCM backup from an S3-compatible bucket.repair-intake-anomalies.ts— repair historic medication-ledger defects (duplicate dose-slot rows, implausibletaken_at); dry-run by default, seedocs/ops/intake-repair.md.backfill-rollups.ts,drain-per-sample-cumulative.ts,backfill-mood-note-column.ts— historical data backfills (note: the boot-timerollup-full-backfillqueue handles new accounts automatically; the CLI is the manual fallback).seed-demo.ts+seed-demo-v15.sql— populate a demo tenant.test-notifications.ts— exercise the notification dispatcher + reminder check.fetch-geolite2.sh— download the MaxMind GeoLite2 MMDBs (needs a licence key) beforedocker build.install-hooks.sh— install the local git hooks.generate-sw-version.mjs,print-bundle-report.mjs— service-worker version stamp and bundle-size report.i18n/— locale tooling;__tests__/— tests for the scripts above.
Conventions
See ../CLAUDE.md "Tests and commands" + "Self-hosting gotchas". Operator runbooks that drive these scripts live in ../docs/ops/.