feat(mobile): wire Activity History to GET /my/activity

[ahmetabdullahgultekin]

Summary

The mobile Activity History screen (bottom-nav "History" tab) was permanently empty — it hardcoded val sections = emptyList() and never called the API. This wires it to the existing user-scoped endpoint GET /api/v1/my/activity (the current user's own audit events; the web dashboard already uses it). The admin GET /api/v1/audit-logs path (which 403s for normal users) is left untouched.

Changes

Data layer (shared/commonMain)

• AuditLogApi / AuditLogApiImpl: add getMyActivity(page, size) → GET my/activity?page=&size=, reusing the existing AuditLogPageDto response type. getAuditLogs (admin) unchanged.
• AuditLogRepository (+Impl): add getMyActivity wrapped in runCatching like the existing method; extracted the shared AuditLogDto → AuditLog mapping into a private toDomain() helper.

Presentation

• New ActivityHistoryViewModel + ActivityHistoryUiState: loads page 0 (size 50) on init, exposes isLoading / errorMessage / events. Registered in DI via factoryOf(::ActivityHistoryViewModel).
• ActivityHistoryScreen: replaced the hardcoded empty list with the VM state. Adds a loading spinner and a distinct error state with a Retry button (load errors are no longer silently rendered as an empty list).
• AppNavigation: injects the VM via koinInject<ActivityHistoryViewModel>().disposeOnLeave() and passes state down — same pattern as the other per-screen ViewModels.

action → chip mapping

AuditLog.action contains	Chip
VERIF (e.g. BIOMETRIC_VERIFIED)	Verifications
ENROLL (e.g. ENROLLMENT_*, BIOMETRIC_ENROLLED)	Enrollments
anything else	shown only under All

Entries are grouped by date (YYYY-MM-DD parsed from the ISO timestamp) for the section headers the screen already renders.

i18n

• New StringKey.ACTHIST_LOAD_ERROR with both enStrings ("Couldn't load your activity history.") and trStrings ("Etkinlik geçmişiniz yüklenemedi.") entries. Reuses existing RETRY, ACTHIST_EMPTY, and chip keys.

Tests

• FakeAuditLogRepository mock updated with getMyActivity.

Verification

./gradlew :androidApp:compileDebugKotlin --console=plain
BUILD SUCCESSFUL in 40s

Both :shared:compileDebugKotlinAndroid and :androidApp:compileDebugKotlin compile cleanly (only pre-existing deprecation warnings remain).

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