📋 Daily Codebase Review - 2026-02-07

[claude]

Executive Summary

The Sobers codebase demonstrates strong code quality with well-organized architecture, comprehensive security patterns, and extensive test coverage. The primary areas requiring attention are test infrastructure improvements (skipped tests), documentation updates for coverage thresholds, and minor consistency issues.

Health Score: B+

Justification: Strong fundamentals with excellent security practices, privacy-focused design, and proper memoization patterns. Minor deductions for skipped tests and a few technical debt items that have persisted across reviews.

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Top 5 Priority Items

Priority	Issue	Impact	Effort
1	Fix skipped MeetingsScreen tests	Test gaps	Medium
2	Add missing tests for Program components	Coverage	Medium
3	Update docs to reflect 85% test coverage	Docs accuracy	Low
4	Review setTimeout cleanup patterns	Memory safety	Low
5	Fix hardcoded Switch colors in onboarding	Theme consistency	Low

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Detailed Findings

1. Code Health & Technical Debt

Status: Good

TODO/FIXME Comments Found

File	Line	Note
__tests__/app/program/meetings.test.tsx	105	TODO: Fix mock setup - tests fail with "Unable to find node on an unmounted component"

Notes:

• Only 1 TODO found in the entire codebase - excellent maintenance
• The skipped MeetingsScreen test suite needs attention (existing issue 🧪 Fix skipped MeetingsScreen tests #360)
• No major code duplication detected
• Clean separation of concerns across components

Type Safety

• Minimal use of any type (only in lib/sentry-privacy.ts:238,254 for recursive object sanitization - acceptable use case)
• Only 2 @ts-expect-error comments (both in test files for intentional edge case testing)
• Strict TypeScript 5.9 configuration enforced

2. Security Audit

Status: Excellent

Positive Findings

• No hardcoded secrets or credentials found
• Comprehensive privacy hooks in lib/sentry-privacy.ts with OAuth token sanitization
• PII scrubbing for emails, passwords, tokens across Sentry events
• Supabase RLS (Row Level Security) enforced at database level
• Secure token storage via Expo SecureStore on mobile
• No eval(), new Function(), or dangerouslySetInnerHTML usage
• Environment variables properly prefixed with EXPO_PUBLIC_

Security Patterns

• OAuth tokens stripped from breadcrumbs and navigation events
• Sensitive fields list maintained in sentry-privacy.ts
• Email regex redaction optimized for performance
• URL sanitization for console breadcrumbs

3. Test Coverage Gaps

Status: Good with Known Gaps

Test Infrastructure

• 92 test files covering app, components, hooks, lib, and contexts
• Comprehensive E2E test suite with Playwright (39 test files)
• Test utilities properly set up with renderWithProviders()

Known Gaps (Existing Issues)

Issue	Description	Status
#360	Skipped MeetingsScreen tests	Open
#357	Missing tests for LogMeetingSheet, DayDetailSheet, MeetingListItem	Open
#361	Missing tests for Program section components	Open

eslint-disable Usage

• 71 instances of eslint-disable-next-line - majority in test files for Jest dynamic requires
• Production code only has 2 instances (app/_layout.tsx for import order, app/onboarding.tsx for react-hooks deps)

4. Documentation Freshness

Status: Good

Documentation Files Reviewed

File	Status	Notes
README.md	Current	Mentions 80% coverage, should be updated to 85%
CLAUDE.md	Current	Comprehensive architecture guide
CHANGELOG.md	Current	Unreleased section shows active development (Program section)
docs/logger.md	Current	Excellent logging guide with examples
docs/APPLE_SIGNIN_SETUP.md	Current	Apple Sign-In setup guide
docs/GOOGLE_OAUTH_SETUP.md	Current	Google OAuth configuration

Existing Documentation Issues

• docs: Update README test coverage from 80% to 85% #364, docs: Update README test coverage percentage from 80% to 85% #355, docs: Update CLAUDE.md test coverage threshold from 80% to 85% #367: Multiple issues tracking docs coverage threshold updates

5. Dependency Health

Status: Good

Key Dependencies (Current Versions)

Package	Version	Notes
Expo	54.0.32	Current stable
React Native	0.81.5	Current stable
React	19.1.0	Latest
TypeScript	5.9.3	Current
Supabase	2.93.2	Current
Sentry	7.2.0	Current

Peer Dependencies

• No peer dependency warnings detected in configuration
• pnpm overrides properly set for @react-native-async-storage/async-storage

6. Performance Opportunities

Status: Good

Memoization Patterns

• useMemo and useCallback used consistently across 30+ component files
• createStyles pattern used with theme memoization
• Stable refs for sheet references

Potential Improvements

Issue	File	Description
#363	SettingsContent, meetings screen	Unsafe setTimeout without cleanup
#351	meetings screen	Additional setTimeout cleanup needed

Good Patterns Observed

• queueMicrotask used correctly in AuthContext for async operations
• Proper cleanup in useEffect hooks with return statements
• React Compiler experiment enabled for automatic optimizations

7. Consistency Check

Status: Good

Positive Patterns

• Consistent file organization (imports → types → constants → helpers → component → styles)
• Semantic theming used throughout - only constants/theme.ts imports Palette
• Logger used instead of console.log (enforced by ESLint)
• Conventional commit messages in recent history
• @/ path alias used consistently

Minor Issues

Issue #	Description
#349	Hardcoded Switch colors in onboarding need theme colors

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Comparison with Previous Reviews

Metric	2026-02-04	2026-02-07	Trend
TODOs	1	1	Stable
Open Issues	~20	~20	Stable
Security Concerns	0	0	Stable
Test Gaps	3 known	3 known	Stable

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Recommendations

Immediate Actions

1. Close duplicate issues - Issues test: Fix skipped MeetingsScreen tests in meetings.test.tsx #354 and 🧪 Fix skipped MeetingsScreen tests #360 cover the same skipped tests
2. Consolidate documentation issues - Issues docs: Update README test coverage percentage from 80% to 85% #355, docs: Update README test coverage from 80% to 85% #364, docs: Update CLAUDE.md test coverage threshold from 80% to 85% #367 all track the same docs update

Short-term

1. Fix the skipped MeetingsScreen tests to restore test coverage
2. Add missing tests for Program section components
3. Address setTimeout cleanup patterns

Long-term

1. Consider adding integration tests for OAuth flows
2. Evaluate React Compiler improvements after stable release

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Files Reviewed

Core Architecture

• app/_layout.tsx, contexts/AuthContext.tsx, lib/supabase.ts

Security

• lib/sentry.ts, lib/sentry-privacy.ts, lib/analytics-utils.ts

Components (Sample)

• 41 component files in components/ directory
• 23 screen files in app/ directory

Tests

• 92 test files in __tests__/
• 39 E2E test files in e2e/

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Generated by automated codebase review on 2026-02-07

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🔗 Related PRs

#165 - refactor: rename app from Sobriety Waypoint to Sobers [merged]
#187 - Release 1.1.0 [merged]
#217 - Release v1.2.0 [merged]
#221 - test: increase test coverage across multiple components [merged]
#334 - Release: Analytics migration, 12-Step content toggle, and dependency updates [merged]

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