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Agent #19 — Mid Android Engineer (UX + flows + state)

Reports to: Agent #4. Mandate: Owns enrollment flow UI, login flow UI, transaction-confirmation sheet, in-app QR scanner, error states. KPIs: see role 19 in ../03-team.md.

Week 1 (2026-05-25 → 2026-05-29)​

A19-W1-Mon (2026-05-25) — Enrollment flow Compose mockup

  • Done when: enrollment screens drafted in Compose (preview-only, no live data).
  • Output: mobile/app/src/main/kotlin/dev/zeroauth/enrollment/ Compose previews.
  • Verify: previews render in Android Studio.
  • Reviewer: Agent #33.
  • Depends on: A04-W1-Mon.

A19-W1-Tue (2026-05-26) — Navigation graph drafted

  • Done when: nav graph for enrollment → login → txn confirmation flows landed.
  • Output: mobile/app/src/main/kotlin/dev/zeroauth/nav/.
  • Verify: NavHost compiles + previews show transitions.
  • Reviewer: Agent #4.
  • Depends on: A19-W1-Mon.

A19-W1-Wed (2026-05-27) — Login flow Compose mockup

  • Done when: login screens drafted in Compose.
  • Output: Compose previews.
  • Verify: previews render.
  • Reviewer: Agent #33.
  • Depends on: A19-W1-Tue.

A19-W1-Thu (2026-05-28) — Permission request flow design

  • Done when: camera + biometric + USB permission flow drafted.
  • Output: docs/team/mobile/permission-flow-design.md.
  • Verify: flow covers permission-denied paths.
  • Reviewer: Agent #33.
  • Depends on: A19-W1-Wed.

A19-W1-Fri (2026-05-29) — Status post + error-state matrix kickoff

  • Done when: top-20 error states identified (capture fail, network fail, biometric fail, expired session, attestation fail, etc.).
  • Output: docs/team/mobile/error-state-matrix.md v0.
  • Verify: 20 rows.
  • Reviewer: Agents #4, #33.
  • Depends on: A19-W1-Thu.

Week 2 (2026-06-01 → 2026-06-05)​

A19-W2-Mon (2026-06-01) — In-app QR scanner skeleton

  • Done when: scanner module skeleton with ML Kit Barcode Scanning landed.
  • Output: mobile/app/src/main/kotlin/dev/zeroauth/scanner/.
  • Verify: scanner reads a test QR.
  • Reviewer: Agent #4.
  • Depends on: A19-W1-Fri.

A19-W2-Tue (2026-06-02) — QR payload parsing

  • Done when: parser extracts session_nonce, tenant_id, expires_at, environment.
  • Output: PR.
  • Verify: malformed QR rejected.
  • Reviewer: Agent #4.
  • Depends on: A19-W2-Mon.

A19-W2-Wed (2026-06-03) — Permission flow implementation

  • Done when: camera + biometric + USB permission paths wired.
  • Output: PR.
  • Verify: permission-denied paths show fallback screens.
  • Reviewer: Agent #33.
  • Depends on: A19-W2-Tue.

A19-W2-Thu (2026-06-04) — Mobile crash + ANR telemetry pipeline design (precursor C-150)

  • Done when: telemetry payload schema designed; allowlist of fields confirmed (no PII, no biometric data).
  • Output: docs/team/mobile/telemetry-schema-design.md.
  • Verify: allowlist enforced.
  • Reviewer: Agents #4, #39.
  • Depends on: A19-W2-Wed.

A19-W2-Fri (2026-06-05) — Phase 0 UX sign-off + status post

  • Done when: Compose mockups + permission flow + QR scanner skeleton merged.
  • Output: row in docs/team/phase-exits/phase-0-mobile-signoff.md.
  • Verify: previews render + smoke build green.
  • Reviewer: Agent #4.
  • Depends on: A19-W2-Thu.

Week 3 (2026-06-08 → 2026-06-12)​

A19-W3-Mon (2026-06-08) — Mobile device-fleet onboarding

  • Done when: enrollment Compose preview running on 3 SKUs (Pixel 7 + S22 + Redmi Note 13).
  • Output: instrumented test runs.
  • Verify: previews render on all 3.
  • Reviewer: Agent #4.
  • Depends on: A19-W2-Fri.

A19-W3-Tue (2026-06-09) — Transaction-confirmation sheet design

  • Done when: sheet drafted in Compose with Indian numbering format + masked account.
  • Output: Compose previews.
  • Verify: previews show ₹5,00,000 formatted correctly + masked A/c.
  • Reviewer: Agent #33.
  • Depends on: A19-W3-Mon.

A19-W3-Wed (2026-06-10) — Cross-line architecture sync attendance

  • Done when: sync attended.
  • Output: sync notes contribution.
  • Verify: notes published.
  • Reviewer: Agent #4.
  • Depends on: A19-W3-Tue.

A19-W3-Thu (2026-06-11) — Error states implementation — first 10 of 20

  • Done when: first 10 error states implemented as Compose screens.
  • Output: PR.
  • Verify: previews exist for each.
  • Reviewer: Agent #33.
  • Depends on: A19-W3-Wed.

A19-W3-Fri (2026-06-12) — Status post + logcat audit infra (no PII in logs)

  • Done when: instrumented test verifies logcat contains no raw biometric / no DID / no commitment.
  • Output: PR for logcat audit test.
  • Verify: test green.
  • Reviewer: Agent #39.
  • Depends on: A19-W3-Thu.

Week 4 (2026-06-15 → 2026-06-19)​

A19-W4-Mon (2026-06-15) — Error states implementation — remaining 10

  • Done when: remaining 10 error states implemented as Compose screens.
  • Output: PR.
  • Verify: previews exist.
  • Reviewer: Agent #33.
  • Depends on: A19-W3-Thu.

A19-W4-Tue (2026-06-16) — Transaction-confirmation sheet expiry countdown UX

  • Done when: countdown timer + auto-cancel behaviour implemented.
  • Output: PR contribution.
  • Verify: instrumented test confirms auto-cancel on expiry.
  • Reviewer: Agent #33.
  • Depends on: A19-W3-Tue.

A19-W4-Wed (2026-06-17) — Cross-line architecture sync attendance + crash telemetry pipeline implementation

  • Done when: telemetry pipeline skeleton landed; allowlist filter in place.
  • Output: PR (precursor to C-150).
  • Verify: instrumented test asserts payload allowlist.
  • Reviewer: Agent #39.
  • Depends on: A19-W4-Tue.

A19-W4-Thu (2026-06-18) — Sprint 1 UX sign-off

  • Done when: UX section of S1 exit gate green.
  • Output: row in docs/team/sprint-exits/s1-mobile.md.
  • Verify: 20 error states implemented + permission flow live.
  • Reviewer: Agent #4.
  • Depends on: A19-W4-Wed.

A19-W4-Fri (2026-06-19) — Sprint 2 self-plan + status post

  • Done when: sprint-2 daily tickets drafted (C-143 enrollment full flow + C-145 QR scanner production).
  • Output: docs/team/mobile/a19-sprint-2-plan.md.
  • Verify: 5 daily tickets.
  • Reviewer: Agent #4.
  • Depends on: A19-W4-Thu.