RobotAutomationDevelopment-Dept/Ubisam-MobileGit
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Ubisam-MobileGit/docs/development-log.md

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UBGitea development log

This is the append-only implementation and handoff record shared by Codex and Claude. Only the current task owner or assigned reviewer may append an entry, and agents never edit this file concurrently.

2026-08-25 — TASK-001

  • Agent and role: Codex, implementer and integrator
  • Commit/diff: 75aa5f8
  • Features implemented: Android Compose project bootstrap, Korean placeholder home screen, deterministic Gradle wrapper, unit-test and lint baseline.
  • How it was implemented: One application module using Kotlin, Compose, Material 3, API 28 minimum, API 36 target, JDK 17, and version-catalog-managed dependencies.
  • Files changed: Root Gradle configuration, app/, ADR-001, product and task documentation.
  • Checks and results: Debug APK build passed; 1 unit test passed; lint passed; sensitive-pattern scan found no assigned secret.
  • Review findings and resolutions: Independent review found no P0-P3 findings.
  • Known limitations: No device/emulator launch; final icon and authentication were out of scope.
  • Next recommended task: Repository browsing foundations.
  • Next owner: Codex.

2026-08-25 — TASK-003

  • Agent and role: Codex, implementer and integrator
  • Commit/diff: a2cc7d4
  • Features implemented: Immutable repository, branch, tree, file, commit and paging domain contracts; safe coordinate/ref/path validation; read-only repository interface and browse use cases.
  • How it was implemented: Pure Kotlin domain models, defensive byte/list copies, shared pagination validation, Korean read-only placeholder state, and fake-adapter unit tests.
  • Files changed: Domain model/repository/use-case packages, focused tests, home placeholder, product roadmap and TASK-003 through TASK-007 documents.
  • Checks and results: Build passed; 22 unit tests passed; lint passed; sensitive-pattern and diff checks passed.
  • Review findings and resolutions: Two P2 findings covering page output mutability and missing use-case boundary tests were fixed and independently re-reviewed; no findings remain.
  • Known limitations: Live HTTP, authentication, navigation, content rendering, and device testing were out of scope.
  • Next recommended task: OAuth protocol core followed by Android OAuth integration.
  • Next owner: Codex.

2026-08-25 — TASK-002A

  • Agent and role: Codex, implementer and integrator
  • Commit/diff: 6da016c
  • Features implemented: OAuth client configuration, approved read-only scopes, fresh PKCE S256 verifier/state generation, authorization URL construction, exact redirect validation, transaction expiry, denial/success modeling, and strict callback query validation.
  • How it was implemented: Pure Kotlin/JDK code with SecureRandom, SHA-256, unpadded Base64 URL encoding, RFC 7636 verifier grammar, deterministic query component encoding, constant-time state comparison, strict UTF-8 percent decoding, duplicate/ambiguous response rejection, saturating time boundaries, and redacted string representations for sensitive values.
  • Files changed: core/auth/protocol/, matching protocol tests, ADR-002, TASK-002 umbrella, TASK-002A, and TASK-002B.
  • Checks and results: Focused OAuth tests 21/21 passed; full unit tests 43/43 passed; debug APK build passed; Android lint passed; diff check passed; sensitive-pattern scan found no assigned secret/token/password/private key.
  • Review findings and resolutions: P2 verifier grammar fixed with strict RFC character/length validation; P2 parameter pollution and malformed UTF-8 fixed with fail-closed parsing; P3 timestamp overflow fixed with saturating boundaries. Independent re-review found no remaining P0-P3 findings.
  • Known limitations: System browser launch, App Link dispatch, code exchange, Keystore token vault, user identity, and real-server E2E are intentionally deferred to TASK-002B. E2E remains blocked by signing fingerprints and hosted assetlinks.json.
  • Next recommended task: TASK-002B Android OAuth integration, completing locally testable browser/storage/exchange boundaries before the external E2E gate.
  • Next owner: Codex.