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HealthLog/src/components/insights
Marc-André BombeckandClaude Opus 4.7 ddab92e42b feat(insights): inline charts in AI findings via allowlisted metric tokens (#138)
* feat(insights): inline charts in AI findings via allowlisted metric tokens

Lets the AI insight advisor inline a Recharts panel directly under the
prose paragraph it talks about — e.g. a finding centred on systolic BP
renders the BP chart immediately beneath itself, instead of forcing the
user to scroll back to the dashboard charts.

Tokens are routed through a server-side allowlist:
- 13 fixed strings (one per MeasurementType plus MOOD and COMPLIANCE).
- A drift test fails if a new MeasurementType is added without a token.
- The greedy `[A-Z_]+` regex caps the parse so trailing junk like
  `metric:WEIGHT' onclick='alert(1)'` cleaves cleanly into the safe
  metric and inert React text — there is no markdown / no eval path.
- Hallucinated tokens (`metric:NUKE`) are silently dropped.
- The visible prose is run through `stripChartTokens` so the literal
  token never reaches the DOM.

Prompts (base + 7 domain prompts, EN + DE) tell the model it may embed
exactly one of the allowlisted tokens inside `summary` or a finding's
`label`/`guideline` — nothing else has any effect.

Co-Authored-By: Marc-André Bombeck <mbombeck@gmail.com>
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(insights): drop metric:MOOD and metric:COMPLIANCE until dedicated charts exist

Review-pass M1: those two tokens routed through HealthChart, which
validates `type` against the `MeasurementType` Zod enum. MOOD and
COMPLIANCE aren't in the enum, so the request 422'd and the chart
panel rendered "no data" — silently degrading the most-promoted UX
path under prose that explicitly talked about the user's mood or
adherence.

Allowlist + every prompt now lists only the 11 tokens that actually
render a real chart. The drift test inverts the previous "must
include MOOD/COMPLIANCE" assertion to "must NOT include them",
locking the contract until dedicated MoodChart / ComplianceChart
components ship.

494 tests green, typecheck clean.

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-08 14:09:27 +02:00
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