Files
HealthLog/docs
Marc-André Bombeck 70788895fa docs(integrations): Apple Health, Withings, AI providers guides
Three end-to-end integration walkthroughs closing the docs gaps the
v1.4.34.3 docs-depth audit flagged as critical user-facing surfaces.

Apple Health (docs/integrations/apple-health.md, 200 lines):
  - Generating the iOS `export.zip` from the Health app.
  - 1.5 GB upload cap, Zip64-aware streaming parser, content-hash
    idempotency.
  - Per-record / per-workout / per-correlation / per-clinical-record
    coverage matrix grounded in the parser's source.
  - Cumulative HK-type daily aggregation contract
    (`stats:<HKType>:<YYYY-MM-DD>` external IDs).
  - Live status-polling endpoint and the admin-import variant.
  - Source-priority interaction with the existing Withings ladder.

Withings (docs/integrations/withings.md, 195 lines):
  - Developer-portal app registration with the right OAuth scopes
    (`user.metrics user.activity`) and redirect URI.
  - Env-var layout (`WITHINGS_CLIENT_ID`, `WITHINGS_CLIENT_SECRET`,
    `WITHINGS_WEBHOOK_SECRET`).
  - Why the webhook URL carries the secret as a path segment
    (v1.4.25 W17a — reverse proxies log `query_string` by default;
    path segments aren't logged, so the secret stays off the access
    log).
  - Sync coverage (weight, body composition, BP, sleep, activity,
    SpO₂), reauth handling, troubleshooting.

AI providers (docs/integrations/ai-providers.md, 244 lines):
  - All four `User.aiProvider` values (OPENAI, ANTHROPIC, LOCAL,
    CHATGPT_OAUTH).
  - Default models, BYOK vs admin-shared, the provider fallback chain.
  - Local-endpoint setup with Ollama, LM Studio, and vLLM examples;
    SSRF-guard rationale; ChatGPT device-code OAuth pointer.
  - Privacy stance — local endpoints keep measurement context inside
    your network; hosted endpoints send the snapshot to the provider.
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docs/ — internal reference + operator playbooks

The user-facing documentation lives at https://docs.healthlog.dev — that's the canonical surface for self-hosting guides, integration walkthroughs, AI-provider setup, and the doctor-report workflow.

The files in this directory are the internal operator playbooks, audit notes, and machine-readable specs that ship alongside the source:

  • api/ — the OpenAPI 3.1 spec for the native-client subset (iOS DTO codegen target). See api/README.md for the preview commands.
  • ops/ — backup / restore + encryption-key-rotation playbooks. These are the runbooks an operator reaches for during an incident.
  • self-hosting/ — horizontal-scaling notes (HEALTHLOG_PROCESS_TYPE=web|worker|all) and the deploy-pipeline recipe. Routine install steps stay on docs.healthlog.dev.
  • migration/ — release-by-release migration notes. Read the entry for the version you're upgrading from.
  • audit/ — per-release audit summaries archived for forensic traceability.
  • apple-store-connect-checklist.md — the iOS submission gate.
  • doctor-report.md — PDF generator design notes.
  • codex-protocol-spec.md — Codex / ChatGPT OAuth protocol reverse-engineering notes.
  • ui-guidelines.md — UI / a11y house style.

If you're a self-hoster looking to spin up an instance, start at https://docs.healthlog.dev or jump to the Quick Start in the project README.