The daily challenge already updated streak counters, but past
completions were invisible — the player had no in-game surface to
see streak length or the actual day-by-day record. Adds a 14-dot
horizontal calendar above the Profile modal's achievements section
with a "Current streak: N · Longest: M" caption.
Each dot represents a day in the trailing 14-day window ending
today. Today's dot gets a 2-px Balatro-yellow ring; completed days
fill STATE_SUCCESS; missed days fill BG_ELEVATED. Geometry: 14 ×
12 px + 13 × 6 px gap ≈ 246 px — fits comfortably inside the
modal's 360 px min_width even on the 800 px window minimum.
PlayerProgress gains two #[serde(default)] fields:
- daily_challenge_history: Vec<NaiveDate> capped at 365 entries
(one year of history; older entries pushed off when the cap is
hit). Sorted ascending, deduped on insert so same-day re-runs
don't bloat the list.
- daily_challenge_longest_streak: u32, updated whenever streak
exceeds the previous max.
Legacy progress.json files load to empty/0 via #[serde(default)].
solitaire_sync::merge unions histories from local + remote (sorted,
capped) and takes max(longest_streak), with a clamp to ensure
longest is never below the merged current streak — guards against
legacy payloads where longest=0 but current is mid-streak.
13 new tests across solitaire_sync (record_daily history append,
chronological order, dedupe, cap, longest update, merge union,
merge cap, max longest, clamp), solitaire_data (history append,
longest update, legacy deserialise), and solitaire_engine
(modal renders 14 dots, today marker on rightmost only).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
funman300
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