feat: initial Android app — choreDash + taskDash v1.0.0

[mapgie]

Summary

• Full native Android app (Kotlin 2.0.21 + Jetpack Compose) combining choreDash and taskDash, connecting to the same Supabase project as the web app
• choreDash tab: chore list with staleness colour bars, NFC tap-to-log, swipe-to-log with undo snackbar, group-by-category, archive/unarchive via long-press sheet
• taskDash tab: task list with priority/due/created sort, All/Active/Done filter chips, group-by-category, collapsible done section, per-task AlarmManager reminders (exact alarms), owner filter
• Settings tab: Supabase URL + anon-key, owner dropdown, light/dark/system theme toggle, open-source licenses screen
• NFC foreground dispatch in MainActivity; NDEF text/URI/raw-hex tag-ID extraction
• DailyStaleChoreWorker (WorkManager periodic): daily overdue-chore notification
• BootWorker: re-schedules pending task reminders after reboot
• Material3 theme seeded from #4A7C59 (sage green), no hardcoded colours in typography
• CI workflows: build + release APK, changelog check, license-sync check, CodeQL

What's not in this PR (binary files — must be added locally)

app/debug.keystore and gradle/wrapper/gradle-wrapper.jar are binary files that cannot be pushed via the GitHub API. Add them before building:

git clone https://github.com/mapgie/choreDash-Android
cd choreDash-Android
git checkout claude/elegant-heisenberg-lZ3zy
# Copy gradle-wrapper.jar from any other Android project, or download from gradle.org
# Generate a debug keystore:
keytool -genkey -v -keystore app/debug.keystore -alias androiddebugkey \
  -keyalg RSA -keysize 2048 -validity 10000 \
  -storepass android -keypass android -dname "CN=Android Debug,O=Android,C=US"
git add app/debug.keystore gradle/wrapper/gradle-wrapper.jar
git commit -m "chore: add binary files (debug.keystore, gradle-wrapper.jar)"
git push

Test plan

• Binary files added locally and pushed
• ./gradlew assembleDebug succeeds
• ./gradlew test passes
• ./gradlew lintDebug clean
• Install on device, enter Supabase credentials in Settings
• Chores tab loads and shows staleness bars
• Swipe-to-log logs a chore and shows Undo snackbar
• NFC scan opens LogBottomSheet for matching chore
• Tasks tab loads, add/edit/complete a task
• Task reminder fires at scheduled time
• Theme toggle (light/dark/system) applies immediately

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