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Persist the exploration, proposal, spec, design, tasks, and verify/archive reports produced during the multi-device EQ, alarm-countdown, and notification-visual-polish SDD cycles.
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Archive Report: Pre-notice Live Countdown
Date: 2026-06-30 Change: pre-notice-live-countdown Artifact Store: hybrid (openspec + engram) Final Verdict: PASS WITH WARNINGS (0 CRITICAL)
Source Artifacts (Engram Observation IDs)
All source artifacts were read from engram to preserve traceability:
| Artifact | Observation ID | Topic Key | Retrieved |
|---|---|---|---|
| Proposal | 2257 | sdd/pre-notice-live-countdown/proposal | ✓ |
| Specification | 2258 | sdd/pre-notice-live-countdown/spec | ✓ |
| Design | 2259 | sdd/pre-notice-live-countdown/design | ✓ |
| Tasks | 2260 | sdd/pre-notice-live-countdown/tasks | ✓ |
| Apply Progress | 2261 | sdd/pre-notice-live-countdown/apply-progress | ✓ |
| Verify Report | 2262 | sdd/pre-notice-live-countdown/verify-report | ✓ |
Archive Actions Performed
1. Main Spec Merge
Domain: alarm-pre-notice-countdown
Action: NEW spec created (no prior spec in main openspec/specs/ directory)
Target: openspec/specs/alarm-pre-notice-countdown/spec.md
Content: Full 8-requirement spec with 16 scenarios, copied directly from delta spec (not a delta merge).
2. Change Folder Moved to Archive
Source: openspec/changes/pre-notice-live-countdown/
Target: openspec/changes/archive/2026-06-30-pre-notice-live-countdown/
Contents archived:
- explore.md
- proposal.md
- design.md
- tasks.md
- verify-report.md
- specs/alarm-pre-notice-countdown/spec.md
- state.yaml (created during archive)
- archive-report.md (this file)
3. Verification of Archive
- Main spec created at
openspec/specs/alarm-pre-notice-countdown/spec.md - Change folder successfully moved to archive with ISO-format date prefix
- Archive contains all required artifacts (proposal, specs, design, tasks, verify-report)
- Active changes directory no longer contains this change
- Archive folder structure preserved:
specs/alarm-pre-notice-countdown/spec.mdinside archive
Change Summary
Scope: Kotlin-only (AlarmScheduler.kt, PluriWaveAlarmReceiver.kt)
Implementation Status: COMPLETE (all 4 in-scope sections)
Key Changes:
- Added
armNextPreNoticeCountdownTick(id, triggerAtMillis, title, snoozeMinutes, occurrenceAtMillis, remaining)to AlarmScheduler.kt - Added
cancelPreNoticeCountdown(id)to AlarmScheduler.kt (public, mirrors cancelSnoozeCountdown) - Wired 5-site cancellation: cancelAlarm, scheduleSpec no-trigger, schedulePreNotice snooze-transition, ACTION_SKIP_NEXT, ACTION_POSTPONE_NEXT
- Modified receiver ACTION_PRE_NOTICE to re-arm after posting
- Switched computeRemainingMinutes from floor to ceil semantics
Lines Changed: 91 total (AlarmScheduler.kt +70/-2, PluriWaveAlarmReceiver.kt +21/-3)
Verification Result: PASS WITH WARNINGS
| Item | Status | Notes |
|---|---|---|
| Section 1: AlarmScheduler core | PASS | Both functions present, public, correct formula (slot 9 via 31*hash+slot) |
| Section 2: 3 scheduler cancellation sites | PASS | All 3 confirmed: cancelAlarm, scheduleSpec no-trigger, schedulePreNotice snooze-transition |
| Section 3: Receiver re-arm + ceil + 2 cancellation sites | PASS | Single remaining-compute, correct cancel ordering before reschedule |
| Section 4: 5-site cross-check | PASS | grep confirms exactly 6 matches (1 declaration + 5 call sites) |
| Section 5: Manual/device QA | NOT RUN | Explicitly out of automated scope, recommended follow-up |
| flutter analyze | PASS | No issues found, Kotlin-only claim confirmed |
| Spec compliance (14/14 scenarios) | PASS | All statically-verifiable scenarios pass |
Critical Correctness Gate: Verified that both armNextPreNoticeCountdownTick and cancelPreNoticeCountdown use requestCode(id, 9) resolving through AlarmScheduler's 31*hash+slot formula, NOT the receiver's 47*hash+slot formula. This was the design's top identified risk; it does NOT manifest.
Issues Summary
CRITICAL: None
WARNINGS:
- Manual/device QA (tasks section 5.1-5.5) not executed. This covers: happy-path 29-to-1 countdown, self-stop at final minute, skip/postpone/snooze-transition teardown via adb dumpsys alarm, Doze-delayed jump behavior, snooze-countdown regression check. Recommend running before/shortly after merge.
SUGGESTIONS:
- ceilMinutes formula duplicated (AlarmScheduler private vs receiver inline). Documented tradeoff to avoid public surface expansion. Low risk (simple one-liners, now textually identical). Consider shared helper if a third consumer appears.
Rollback Plan
Revert the two Kotlin files (AlarmScheduler.kt, PluriWaveAlarmReceiver.kt) to prior commit. No schema/l10n/Dart/config changes accompany this change → clean single-commit revert, zero migration. Pre-notice falls back to single-shot behavior.
Source of Truth Updated
The following spec now reflects the new pre-notice-live-countdown behavior:
openspec/specs/alarm-pre-notice-countdown/spec.md(NEW)
This spec captures all 8 requirements (First Post, Per-Minute Tick Re-Arm, Self-Healing, Self-Stop, Consistent Rounding, Tick Cancellation, Notification Reuse/Mutual Exclusivity, covering 16 scenarios total).
SDD Cycle Complete
The pre-notice-live-countdown change has been:
- Proposed (intent, scope, approach, risks)
- Specified (8 requirements with 16 scenarios, all statically-verifiable)
- Designed (technical approach, 5-site cancellation pattern, requestCode slot allocation)
- Tasked (4 implementation sections + 1 manual QA section, dependency DAG, review workload forecast)
- Applied (all 4 in-scope sections implemented, flutter analyze clean, 91-line diff)
- Verified (code-inspection verification, spec compliance matrix, design coherence check)
- Archived (change folder moved, spec merged to main, archive report filed)
Ready for the next change.
Archived by: sdd-archive executor Archive timestamp: 2026-06-30 22:05:00 UTC Artifact store: hybrid (openspec files + engram topic_key: sdd/pre-notice-live-countdown/archive-report)