Let a user pick the Sensiplan double-check's second indicator — cervical
mucus (default) or cervix observation — mirroring the published NFP
standard where the temperature primary sign pairs with one chosen
secondary sign.
- `CycleProfile.secondarySymptom` (MUCUS default | CERVIX) drives which
second sign the engine confirms against. Casual users keep temperature
+ mucus untouched; the choice lives behind the advanced cycle settings.
- `CycleDayLog` gains the three standard cervix signs — position
(LOW/HIGH), firmness (FIRM/SOFT), opening/os (CLOSED/OPEN) — as nullable
columns (migration 0157), wired through Zod, the day-log upsert, the
DTO, the sync feed, backup/restore and OpenAPI. Additive and
back-compatible: existing profiles backfill MUCUS, existing day-logs
keep NULL cervix signs, iOS inherits the fields.
- The engine's `confirmSymptothermal` takes the secondary-symptom choice;
on CERVIX it confirms against `detectCervixPeak` (last fertile-cervix
day followed by three closed days — the cervix-closure rule) instead of
the mucus peak. The double-check still requires BOTH the temperature
shift AND the secondary peak: a single cervix sign never confirms, and
the still-learning gate and conservative posture are unchanged.
Engine derived clean-room from the Arbeitsgruppe-NFP / Raith-Paula &
Frank-Herrmann standard.
A fever, illness, alcohol or a late/short-sleep reading can fake or mask
a temperature rise. Add a per-day `temperatureExcluded` flag on
CycleDayLog (migration 0156): when set, the engine drops the reading from
the cover-line baseline AND the shift evaluation, so a spike neither
fabricates nor masks a rise (Sensiplan: the cover line is drawn over the
last six unbracketed values).
Wired end to end — schema + Prisma, the engine's `detectTempShift`
filter, the Zod input/patch schemas, the day-log upsert (partial merge +
change detection), the read DTO, the calendar/insights/coach selects, the
backup round-trip, and the OpenAPI contract (a new boolean on the day-log
and calendar-day DTOs for the iOS client). The log-day sheet gains a
"mark reading as disturbed" toggle that appears once a temperature is
entered, translated across all six locales.
Citation: de.wikipedia "Symptothermale Methode"; myNFP "Temperaturkurve
auswerten" — Störfaktor bracketing.
The predictions panel suppressed its fertile-window and ovulation rows while
fewer than three cycles were observed, but the month calendar did not — so a
brand-new user who logged a single period saw the grid paint a confident
fertile-window shading, a predicted-ovulation dot, and full phase bands off a
population 28/14 prior at ~0.20 confidence. Calendar-based fertility estimation
is unreliable below several recorded cycles, so the grid was asserting days it
could not know.
Thread the same still-learning gate into the calendar build: while fewer than
three cycles are observed, suppress the fertile window, the ovulation dot, and
the phase band (the predicted-period bar stays, mirroring the panel). Surface a
top-level stillLearning flag on the calendar response so the client renders a
calm "learning your cycle" banner over the grid instead of a bare, falsely
confident calendar. The flag is additive and back-compatible; older clients
ignore it and degrade to the previous render.
Also pin the observed-cycle count to a single source — the engine's
post-exclusion value — so the response never carries two divergent counts.
Close the second-round audit UI cluster:
- Cycle reminders: add the missing notification-event labels so the
period-soon / period-confirm toggles read correctly on the
notifications page, and point to them from cycle settings.
- Per-cycle history: render a recent-cycles list (range, length, period
length, confirmed-ovulation chip) — the cycles were fetched but only
the aggregate stats showed.
- Confirmed ovulation: carry it on the prediction DTO and surface it as a
solid BBT-chart marker + a predictions row + a history chip.
- Log-day sheet: deselecting an enum now clears it (edits route through
the nullable PATCH); period start/end work on any selected date for
retroactive correction; "end period" shows only while one is open.
Extract the payload builders as pure, unit-tested functions.
- Cycle-tracking enable toggle in account settings so any account can opt
in before the gated page is reachable; wire the cycle data-purge button
to the hard-delete route and document the route in the OpenAPI spec.
- Calendar legend: add the symptom dot, render fertile as a ring to match
the grid; tighten the luteal prior bound to the engine clamp; mute the
BBT ovulation-label colour for contrast.
- Share the cycle-start backward-walk between the wheel and the chart.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Finish the cycle web vertical's signature surfaces:
- Rebuild the cycle wheel to the wellness-ring premium signature — a
clockwise clock-wipe that draws the phase arcs on from the 12-o'clock
day-0 origin, a phase-tinted bloom on the active arc, the shared
specular sheen, a day-number count-up, and a soft current-day marker
halo. All on the wellness-tile surface, gated once per session and
zeroed under prefers-reduced-motion.
- Add the basal-body-temperature chart to the predictions tab: the
current-cycle BBT series with phase-tinted points, fertility signs in
the tooltip, and an estimated-ovulation reference line (suppressed in
raw-chart mode). Surface basalBodyTempC + ovulation-test + mucus on the
calendar day DTO so the chart reads from the existing calendar load.
- Cover the read states the prediction/disclaimer surfaces were missing:
pass the disclaimer to the predictions panel, render it on the calendar
tab, add per-tab error + retry, and gate the settings spinner.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
The symptothermal layer ran against the full day-log history: detectTempShift
returned the earliest 3-over-6 rise and detectMucusPeak the last egg-white day
across all cycles, so a multi-cycle user with historical BBT confirmed a
months-old ovulation and the predicted next-period start landed in the past.
Scope the temperature/mucus detectors to the current cycle window
[lastConfirmedStart − BBT_WINDOW, today], take the latest qualifying temp shift,
and reject any confirmation whose next-start is already in the past.
Resolve luteal length through a single clamp. The predictor clamped to [10,16]
while the calendar adapter and phase mapper used the raw stored value, so the
ovulation dot and the OVULATORY band could land on different days for an
out-of-clamp profile. Export resolveLuteal/clampLuteal, route buildCalendar,
buildPhaseCycles and phaseForDay through it, and tighten the profile-prefs Zod
bound to the same [10,16] range.
Show the fertile window for AVOID_PREGNANCY as well as TRYING_TO_CONCEIVE per the
algorithm spec; it stays hidden for GENERAL_HEALTH/PERIMENOPAUSE.
Bound the day-log reads on the calendar and insights routes to the rendered span
plus the symptothermal lookback instead of the full history; cycle-length stats
already run off the MenstrualCycle rows.
Add mood and blood glucose as phase-crosstab outcome metrics under the same FDR
and per-group day floors. Mood is read from MoodEntry and injected as a synthetic
channel since it is not a measurement row.
Add multi-cycle, luteal-clamp and fertile-window fixtures.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Add the menstrual-cycle phase as a channel in the existing FDR-guarded
correlation machinery, the same way rated mood factors were folded in —
no new statistics, the same Welch + Benjamini-Hochberg pipeline, the same
day floors and q = 0.10 gate.
Two complementary mechanisms, both confined to a gender-gated surface:
- a categorical luteal-vs-follicular contrast per outcome metric (resting
heart rate, HRV, sleep, steps, weight, basal/wrist/skin temperature),
surfacing one headline finding (resting-heart-rate-by-phase, falling
back to HRV); and
- the continuous phase ordinal folded into the lagged-Pearson matrix.
Phase never reaches the general correlations route — the temperature
channels held out of the general matrix are un-blocked only here, behind
the cycle gate, so a reproductive inference can never leak onto a
non-gated surface. Every row shows n, effect size, p and q; nothing is
fabricated on thin data and nothing is framed as causal.
Surface it through a new gated GET /api/cycle/insights and a drop-in
card that mirrors the mood-factor crosstab.
Add a cycle dimension to the Coach snapshot: current phase + day-of-cycle,
the next predicted event (period range + confidence + method, fertile
window goal-gated), and the headline phase finding — present only for a
cycle-enabled account, so a non-cycle snapshot is unchanged. A new ground
rule keeps the Coach descriptive: never contraception-grade, never a
"safe day" claim.
OpenAPI regenerated; phase-correlation + snapshot-inclusion tests added;
copy localised across all six locales.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Add the `/api/cycle/*` capture, calendar, history, and settings routes
plus the offline-sync delta extension for the v1.15 cycle-tracking
feature, all against the locked iOS contract.
- Enable flag: add nullable `cycleTrackingEnabled` to CycleProfile
(migration 0132). A null toggle derives from gender (FEMALE → on).
`isCycleEnabled()` is the single gate resolver; every `/api/cycle/*`
route 403s `{ errorCode: "cycle.disabled" }` when off. The resolved
flag surfaces additively on GET /api/auth/me.
- Routes (apiHandler + Zod + envelope + gate + annotate + auditLog):
POST/PATCH/DELETE day-logs (single), POST day-logs/bulk (idempotent,
capped 500, rate-limited 60/min, per-entry inserted/updated/duplicate/
skipped), POST period boundary, GET calendar (runs the deterministic
engine, debounced stale-while-revalidate cache, goal-gated fertile
window), GET cycles (history + median/MAD stats), GET profile,
DELETE cycles, PATCH /api/auth/me/cycle-prefs (deep-merge).
- Day-log note encrypts at rest (notesEncrypted); intent fields stay
queryable plaintext. Upsert keys on (userId, source, externalId) when
externalId present, else (userId, date).
- Offline sync: extend GET /api/sync/changes + the cursor with the
`cycleDays` + `cycles` domains (CURSOR_VERSION → 2). cycleDays
tombstones key on externalId else id; cycles on id.
- OpenAPI: register every route + DTO; regenerate the committed spec.
- i18n: cycle prediction disclaimer across all six locales.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Marc-André Bombeck