[Release] QA alarm and notification flows on Android

[jjoonleo]

Backlog ID: ISSUE-025
Source: plans/release_app_todos.md

Goal

Validate the core alarm/reminder behavior under real permission states.

Parallelization

Status: blocked

Prerequisites

• [Release] Build a signed release Android App Bundle #452 - Requires a signed release AAB or release-equivalent install path.
• [Release] Audit Android manifest permissions for release #442, [Release] Verify notification permission UX #443, [Release] Verify exact alarm permission UX #444 - Use permission audit and permission UX findings during QA.

Acceptance criteria

• Test notification permission granted and denied states.
• Test exact alarm permission granted and denied states.
• Test alarm firing, full-screen alarm UI, fallback notification behavior, and cancellation.
• Test boot restore behavior after device restart where practical.
• Record device/OS versions and any failures.

Codex thread guidance

• Work only on this issue's scope.
• Do not modify unrelated release issues.
• If this issue is blocked by external access or human approval, prepare the needed checklist/text and leave the issue open.
• Do not implement final closure until the prerequisites above are complete; prepare only unblocker notes if started early.