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Bucket D phase 1 of the v1.4.3 polish pass — the AI insights felt
"static" because (a) findings repeated phrasing with no concrete
numbers and (b) the inline-chart machinery existed but was prompted
permissively, so the model rarely used it.
Two concrete moves, scoped to ship in this hotfix:
1. **`metric:MOOD` is now an allowlisted chart token.** Renderer in
`<InsightAdvisorCard>` branches on `tokenKind(token)` — measurement
tokens still mount `<HealthChart>`, but `metric:MOOD` mounts the
dedicated, self-fetching `<MoodChart>` instead. The mood timeline
was previously the most under-served by the AI prose because it
couldn't be charted inline; now the model can illustrate adherence-
risk and mood-drift findings with the same chart users see on the
/mood page. Drift test was updated in lockstep — the v1.4.2 guard
that asserted MOOD was excluded now asserts it's present, plus a
new guard asserts COMPLIANCE is still excluded (no self-fetching
wrapper exists yet for `<ComplianceLineChart>`; ship that in v1.5).
2. **Prompt grew an EVIDENCE CONTRACT and a forbidden-phrase list.**
The base system prompt (DE + EN both) now requires every
`findings[]` entry to put a concrete number from the snapshot in
`value` ("138/85 mmHg", "+0.4 mmol/L vs. 30d-avg") instead of
adjective prose ("slightly elevated"). Findings without a snapshot
anchor MUST be omitted — variable cardinality 0..8 explicitly
stated, sorted by salience, NO padding. The forbidden-phrase list
blocks generic boilerplate that signals ungrounded output: "achte
auf ausreichend Schlaf", "drink enough water", "regular exercise",
"consult your doctor" (except in the disclaimer field which exists
precisely for that line). The chart-token instruction flipped from
passive ("Du DARFST") to active ("Bevorzuge Tokens immer dann,
wenn …") with three explicit triggers — temporal claims, threshold
references, window comparisons — that reliably surface chart-worthy
findings.
Carved out of v1.4.3 for v1.5: telescoping multi-resolution payload
(14d daily + 10w weekly + 21mo monthly + yearly summary per QA
research 1) and the evidence-ref output schema extension (QA 2).
Both touch the prompt's input shape and would change every cache
key + token bill — they want their own phase.
Tests + typecheck green (671/671 — one new chart-tokens drift
guard).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>