test(components): add unit tests for BlockChip #125

[Gheb6]

This pull request description was written by an AI agent.

Summary

Adds comprehensive unit and component tests for BlockChip (src/components/BlockChip.tsx) achieving 100% line, branch, and statement coverage.

• Verifies rendering of block name with single-line limit and formatted duration hours (including decimal hours).
• Tests chip container styling (left border color, tinted background color, and padding/radius styles).
• Tests category vector icon rendering with category color.
• Tests incomplete state: full opacity (1), no checkmark, normal name styling.
• Tests completed state: reduced opacity (0.5), check-bold vector icon with success color, and strikethrough name styling (line-through).
• Tests optional description prop: rendering with single-line limit and italic font style when present, and omitting when undefined or empty.
• Tests user interactions: triggering onPress callback when pressing the chip or its text.
• Tests light and dark theme text and icon colors.

Closes #125

AI Generation Disclosure

• Tool / Agent: Antigravity with Gemini 3.8 Flash
• Files generated:
  • src/components/__tests__/BlockChip.test.tsx (all lines)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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