feat: first-week friction improvements (#50–#58)

[GRACENOBLE]

Summary

• chore(infra): add root dev script to start all services with one command #50 dev.sh / dev.ps1 — start Postgres, backend, and web with one command
• chore(backend): add golangci-lint configuration file #51 backend/.golangci.yml + make lint — golangci-lint v2 with practical ruleset
• chore(mobile): add ktlint configuration and integrate into CI #52 Spotless/ktlint via Gradle plugin + CI spotlessCheck step; reformats all Kotlin sources to consistent style
• chore(infra): add Renovate (or Dependabot) for automated dependency updates #53 renovate.json — minor/patch automerge, Monday schedule, grouped by layer
• chore(infra): add first-run setup script for new contributors #54 setup.sh / setup.ps1 — first-run script: checks prereqs, installs deps, copies .env files, runs migrations
• feat(backend): add Swagger generation step to backend CI #55 Swagger staleness check in backend-ci.yml — fails PR if generated docs are out of date
• feat(mobile): establish loading state and skeleton screen pattern #56 + feat(mobile): establish error state and retry UI pattern #57 UiState<T> sealed class + UiStateContent composable — generic loading/error/retry/success pattern; HomeScreen refactored from raw LaunchedEffect to HomeViewModel + UiState
• feat(web): add data table example with sorting, filtering, and pagination #58 DataTable<TData, TValue> — TanStack Table v8 with column sort, text filter, pagination; /demo route; 91 Vitest tests
• docs — mobile/docs/ui-states.md, web/docs/data-table.md, updated CONTRIBUTING.md (prereqs, dev scripts, quality gate commands)

Test plan

• go vet ./... — clean
• make test — all pass (Postgres Testcontainers skip is pre-existing Windows Docker constraint)
• pnpm lint — 0 errors (1 warning on useReactTable, known React Compiler compatibility note)
• pnpm build — clean, /demo route included
• ./gradlew lint — BUILD SUCCESSFUL
• ./gradlew test — BUILD SUCCESSFUL
• ./gradlew connectedAndroidTest — requires emulator (excluded from standard gate)

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 4ce3dbac-c045-49d3-a637-60573d4e1b84

📥 Commits

Reviewing files that changed from the base of the PR and between 348580f and e12919d.

⛔ Files ignored due to path filters (1)

• web/pnpm-lock.yaml is excluded by !**/pnpm-lock.yaml

📒 Files selected for processing (73)

• .github/workflows/backend-ci.yml
• .github/workflows/mobile-ci.yml
• CONTRIBUTING.md
• TEMPLATE_STATUS.md
• backend/.golangci.yml
• backend/Makefile
• backend/docs/environment.md
• dev.ps1
• dev.sh
• mobile/.editorconfig
• mobile/app/build.gradle.kts
• mobile/app/src/androidTest/java/com/company/template/GreetingTest.kt
• mobile/app/src/androidTest/java/com/company/template/auth/LoginScreenTest.kt
• mobile/app/src/androidTest/java/com/company/template/auth/RegisterScreenTest.kt
• mobile/app/src/androidTest/java/com/company/template/home/HomeScreenTest.kt
• mobile/app/src/androidTest/java/com/company/template/onboarding/OnboardingScreenTest.kt
• mobile/app/src/androidTest/java/com/company/template/ui/components/UiStateContentTest.kt
• mobile/app/src/main/java/com/company/template/MainActivity.kt
• mobile/app/src/main/java/com/company/template/auth/AuthRepository.kt
• mobile/app/src/main/java/com/company/template/auth/AuthViewModel.kt
• mobile/app/src/main/java/com/company/template/auth/FirebaseAuthRepository.kt
• mobile/app/src/main/java/com/company/template/auth/LoginScreen.kt
• mobile/app/src/main/java/com/company/template/auth/RegisterScreen.kt
• mobile/app/src/main/java/com/company/template/data/network/ApiClient.kt
• mobile/app/src/main/java/com/company/template/data/network/ApiResponse.kt
• mobile/app/src/main/java/com/company/template/data/network/UserApi.kt
• mobile/app/src/main/java/com/company/template/fcm/MyFirebaseMessagingService.kt
• mobile/app/src/main/java/com/company/template/home/HomeScreen.kt
• mobile/app/src/main/java/com/company/template/home/HomeViewModel.kt
• mobile/app/src/main/java/com/company/template/navigation/AppNavGraph.kt
• mobile/app/src/main/java/com/company/template/navigation/AppViewModel.kt
• mobile/app/src/main/java/com/company/template/onboarding/DataStoreOnboardingRepository.kt
• mobile/app/src/main/java/com/company/template/onboarding/OnboardingRepository.kt
• mobile/app/src/main/java/com/company/template/onboarding/OnboardingScreen.kt
• mobile/app/src/main/java/com/company/template/onboarding/OnboardingViewModel.kt
• mobile/app/src/main/java/com/company/template/storage/UploadRepository.kt
• mobile/app/src/main/java/com/company/template/ui/components/UiStateContent.kt
• mobile/app/src/main/java/com/company/template/ui/state/UiState.kt
• mobile/app/src/main/java/com/company/template/ui/theme/Color.kt
• mobile/app/src/main/java/com/company/template/ui/theme/Theme.kt
• mobile/app/src/main/java/com/company/template/ui/theme/Type.kt
• mobile/app/src/main/java/com/company/template/websocket/WebSocketManager.kt
• mobile/app/src/main/java/com/company/template/websocket/WebSocketViewModel.kt
• mobile/app/src/test/java/com/company/template/GreetingFormatTest.kt
• mobile/app/src/test/java/com/company/template/SentryInitTest.kt
• mobile/app/src/test/java/com/company/template/auth/AuthViewModelTest.kt
• mobile/app/src/test/java/com/company/template/data/network/UserApiTest.kt
• mobile/app/src/test/java/com/company/template/fcm/FcmRegistrationPayloadTest.kt
• mobile/app/src/test/java/com/company/template/home/HomeViewModelTest.kt
• mobile/app/src/test/java/com/company/template/navigation/AppViewModelTest.kt
• mobile/app/src/test/java/com/company/template/onboarding/OnboardingViewModelTest.kt
• mobile/app/src/test/java/com/company/template/storage/UploadRepositoryTest.kt
• mobile/app/src/test/java/com/company/template/websocket/FakeOkHttp.kt
• mobile/app/src/test/java/com/company/template/websocket/WebSocketManagerTest.kt
• mobile/app/src/test/java/com/company/template/websocket/WebSocketViewModelTest.kt
• mobile/build.gradle.kts
• mobile/docs/_index.md
• mobile/docs/architecture.md
• mobile/docs/compose-conventions.md
• mobile/docs/ui-states.md
• mobile/gradle/libs.versions.toml
• renovate.json
• setup.ps1
• setup.sh
• web/app/demo/DemoTable.tsx
• web/app/demo/page.tsx
• web/components/data-table/DataTable.tsx
• web/components/data-table/__tests__/DataTable.test.tsx
• web/components/data-table/columns.ts
• web/components/data-table/index.ts
• web/docs/_index.md
• web/docs/data-table.md
• web/package.json

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch first-week-friction

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