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Marc-André Bombeck
c33f7f9f6a
The snapshot gains the day's two readings with the age of the second one, through the same reader the page uses, so the page and the assistant cannot disagree about what today's comparison is. The freshness rule is the shared one: a comparison about the day before yesterday carries the date it is about and an instruction not to state it as today. Absence is a present field rather than a missing key — a model told "there is none yet" says so, and a model told nothing estimates one. The wording rule travels with the values, because a model handed a number and no instruction writes the sentence its training suggests, and about a forecast that sentence is a causal one. The contract publishes the resolved value: the expected figure, the band, the count, the deviation against the band, the age, and the contributions that carried weight. Nothing is left for a client to re-derive — two clients deriving the same figure about somebody's health record is how they start disagreeing about it. The description carries the observational wording and the display rule: the count goes wherever the value goes. The end-to-end proof runs against real Postgres and reads the table rather than a return value: nothing written a day short of the threshold, a banded and counted row on the day it crosses, the provisional label dropped at sixty days, the rows cleared when the module goes off, the rows cleared when entries are deleted back below the threshold, and an older pass's row replaced rather than left beside a fresh one. A delegate holding only the mind section is refused, and the assertion is on the response bytes.
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. Andself-hosting/account-sharing.md— letting one account on the instance open another's health record: the three access levels, the eight sections a grant can be narrowed to, managed profiles for somebody with no login and the guardians who look after them, what revocation does and does not undo, and which trust properties of the instance are unchanged by any of it.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.