test(store): add unit tests for PeaksContext #123 (AI-generated)

[Gheb6]

This pull request description was written by an AI agent.

Closes #123

Summary of Changes

• Added unit and integration tests for src/store/PeaksContext.tsx in src/store/tests/PeaksContext.test.tsx using Jest and @testing-library/react-native.
• Verified error handling when usePeaks is called outside PeaksProvider.
• Verified initial data loading, loading state transitions, and error handling for storage failures.
• Verified manual refresh with
  efreshData.
• Verified auto-save effects for peaks and streak/hours (including error handling for failing saves).
• Verified peak management (�ddPeak, deletePeak) and camp management (�ddCamp, oggleCamp, deleteCamp, editCamp,
  eorderCamps).
• Verified peak completion and uncompletion state recalculations across camp toggles, additions, and deletions.
• Verified �ddCompletedHours and activity recording behavior.
• Achieved 100% statement, branch, function, and line coverage for src/store/PeaksContext.tsx.

AI Generation Disclosure

• Tool / Agent: Antigravity (Google DeepMind)
• Model: Gemini 3.8 Flash
• AI-generated files: src/store/tests/PeaksContext.test.tsx (all lines)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

📢 Thoughts on this report? Let us know!