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Marc-André Bombeck
6ac3a61829
A GET must not have side effects — api-handler.ts says so next to READ_HTTP_METHODS, where an MCP-audience token is admitted on the safe methods precisely because they are assumed to write nothing. Three routes broke that: the sync handshake bumped User.lastSyncedAt, the achievements read inserted unlock rows, and the cycle calendar fired a discarded promise at the forecast cache so a failed write left no trace anywhere. Each write moves to the place that causes it. The sync checkpoint is now stamped by the batch ingest endpoints for measurements, mood and intakes. The handshake reports it. That also fixes the watermark: the checkpoint used to advance past a window the client had not drained, and a client trusting it would skip that window. It can only trail a real sync now. The unlock rows move to a nightly achievement-unlock-sweep. The badge grid never needed them — unlocked comes from the live metrics and the completion date is derived — so the payload is unchanged; the rows pin that date and carry it into the backup, and the sweep reaches accounts that never open the page. The cycle forecast moves to a nightly cycle-prediction-refresh. The CyclePrediction row is not a cache of a read: it is the index the reminder cron scans, so which reminders an account received depended on whether somebody had opened the calendar. persistPredictionCache no longer swallows its errors either — the job reports them.
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). Seeapi/README.mdfor the preview commands. Also home to the MCP-server contract:api/mcp-capabilities.md(tools, resources, prompts, write model) andapi/mcp-skills.md(building a connector / skill).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 ondocs.healthlog.dev. Includesself-hosting/mcp.md— enabling the off-by-default MCP connector and pointing Claude.ai / ChatGPT / Claude Desktop at it, andself-hosting/sso.md— OIDC SSO login: IdP setup, the identity-pinning security model,OIDC_ONLYconsequences, and the break-glass runbook. Alsoself-hosting/geolite2.md— bringing your own offline GeoLite2 databases viaGEOLITE2_DIRinstead of sending login IPs to a third-party lookup.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.