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Add cs_fcrst factory reset APK reinstall handling#3233

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cursor/cs-fcrst-factory-reset-48e6
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Add cs_fcrst factory reset APK reinstall handling#3233
nic-olo wants to merge 3 commits into
devfrom
cursor/cs-fcrst-factory-reset-48e6

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@nic-olo

@nic-olo nic-olo commented Jun 24, 2026

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Summary

Wires the BES cs_fcrst UART command into asg_client so that a factory-reset request from the glasses (user holds PWR+FN2 for ~10s) resets the device by (re)installing the ASG client APK.

Previously {"C":"cs_fcrst"} hit the McuEventParser default: branch and was silently dropped.

Behavior

On cs_fcrst:

  1. Stop active recording — finalizes any in-progress video so the MP4 isn't corrupted when the process is killed during install.
  2. Local-first install (no network):
    • Install the staged update APK at OtaConstants.ASG_UPDATE_APK_PATH if present + readable (OtaHelper.installApk).
    • Else install the backup APK via OtaHelper.reinstallApkFromBackup() (validates + installs BACKUP_APK_PATH).
  3. Download fallback: if no local APK is available, OtaHelper.startOtaFromPhone() downloads, verifies, and installs from the OTA manifest (null-guarded if OtaHelper isn't initialized).

The install itself reuses the existing OEM SystemUI install broadcast (com.xy.xsetting.action cmd=install) — the only on-device install mechanism in this app.

Changes

  • FactoryResetEvent — new typed peripheral event (mirrors ShutdownEvent).
  • McuEventParser — dispatch case "cs_fcrst" next to cs_shut (+ import).
  • FactoryResetEventSubscriber — performs the stop-recording + local-first / download-fallback install (modeled on ShutdownEventSubscriber).
  • ServiceInitializer — register the subscriber on the peripheral event bus (+ import).

Design decisions

  • No data wipe: APK (re)install only, per scope. The app has no MASTER_CLEAR/wipeData capability regardless.
  • No BES ack: firmware lxy_glass_cmd_factoryreset() does not wait for a reply and no sr_fcrst reply command is defined, so none is sent (unlike cs_shutsr_shut).
  • Skipped the optional AsgConstants command constant: McuEventParser uses inline command literals throughout, and AsgConstants only holds RGB-LED command strings — a lone cs_fcrst constant would be inconsistent.

Known caveat

startOtaFromPhone() is version-gated (installs only if the server versionCode is greater than the current one). A forced reinstall of the same version would require a small forced-download variant; flag if that behavior is desired.

Testing

  • scripts/check-android-compile.sh asg (i.e. :app:compileDebugJavaWithJavac) → BUILD SUCCESSFUL (only pre-existing deprecation warnings).
  • Manual (hardware) suggested: push an APK to /storage/emulated/0/asg/asg_client_update.apk, send {"C":"cs_fcrst"} (or hold PWR+FN2 10s), and confirm the SystemUI install broadcast in logs (tags ASGClientOTA / FactoryResetEventSubscriber).
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Handle the BES cs_fcrst UART command (PWR+FN2 long-long press) in
asg_client by reinstalling the ASG client APK to reset the glasses.

- Add FactoryResetEvent and dispatch cs_fcrst in McuEventParser
- Add FactoryResetEventSubscriber: stop active recording, then install
  a staged local APK if present (update APK, else backup APK), otherwise
  download+install via the existing OTA pipeline
- Register the subscriber on the peripheral event bus

Co-authored-by: Nicolo Micheletti <michelettinik@gmail.com>
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📋 PR Review Helper

📱 Mobile App Build

Waiting for build...

🕶️ ASG Client Build

Build failed (commit aeafb1d) - View logs

📦 Previous build: (commit 49a50ed) - 📥 Download ASG APK


🔀 Test Locally

gh pr checkout 3233

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PR Agent Orchestrator State

{
  "cycle": 9,
  "fixRound": 3,
  "totalReviewerRuns": 9,
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  "openFindings": [],
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bugbot run

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github-actions Bot commented Jun 24, 2026

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🤖 PR Agent Review — cycle 9

✅ No blocking findings · 0 blocking · 2 nits
Reviewers this cycle: none

No model reviews ran this cycle.

Updated automatically by the PR Agent Orchestrator each review cycle. Nits do not block merge.

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bugbot run

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PR Agent Orchestrator failed. See run: https://github.com/Mentra-Community/MentraOS/actions/runs/28086101432

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bugbot run

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bugbot run

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bugbot run

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bugbot run

When the fixer pushes commits via GITHUB_TOKEN, GitHub blocks CI triggers
with conclusion=action_required (bot security gate). isCiFailed() was
treating this as a real failure, causing the fixer to loop indefinitely
with no open findings.

Fix:
- Remap action_required/waiting workflow runs to pending in
  fetchWorkflowStatuses so they are not treated as completed failures
- Add awaitingApproval flag to CiCheckStatus
- isCiGreen() treats awaiting-approval checks as non-blocking — a human
  reviewer will approve and trigger CI when they look at the PR anyway

Co-authored-by: Cursor <cursoragent@cursor.com>
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PR Agent Handoff

Exit reason: Budget exhausted — fix or review cycle cap reached.

Metric Value
Fix rounds 3
Review cycles 9
Consecutive no-new-review cycles 2

CI status

Check Status Conclusion
MentraOS ASG Client Build completed failure

Remaining blocking findings

None

Nits (informational)

  • (asg_client/app/src/main/java/com/mentra/asg_client/service/core/handlers/subscribers/FactoryResetEventSubscriber.java) Commit author is 'Cursor Agent'; root AGENTS.md asks commits to reflect the responsible human author (co-author trailer already names a human, so non-blocking).
  • (asg_client/app/src/main/java/com/mentra/asg_client/service/core/handlers/subscribers/FactoryResetEventSubscriber.java) Member variables serviceManager/context don't use the mCamelCase 'm' prefix from asg_client/AGENTS.md, but they match the existing subscribers/ package style (e.g. ShutdownEventSubscriber). Consistent with neighbors; non-blocking.

Humans merge when ready. Agents do not auto-merge. Label agent-resume to re-run the loop after new commits.

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PR Agent Handoff

Exit reason: Budget exhausted — fix or review cycle cap reached.

Metric Value
Fix rounds 3
Review cycles 9
Consecutive no-new-review cycles 2

CI status

Check Status Conclusion
MentraOS ASG Client Build completed failure

Remaining blocking findings

None

Nits (informational)

  • (asg_client/app/src/main/java/com/mentra/asg_client/service/core/handlers/subscribers/FactoryResetEventSubscriber.java) Commit author is 'Cursor Agent'; root AGENTS.md asks commits to reflect the responsible human author (co-author trailer already names a human, so non-blocking).
  • (asg_client/app/src/main/java/com/mentra/asg_client/service/core/handlers/subscribers/FactoryResetEventSubscriber.java) Member variables serviceManager/context don't use the mCamelCase 'm' prefix from asg_client/AGENTS.md, but they match the existing subscribers/ package style (e.g. ShutdownEventSubscriber). Consistent with neighbors; non-blocking.

Humans merge when ready. Agents do not auto-merge. Label agent-resume to re-run the loop after new commits.

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