feat(plugin): add responsive Tiny Actor Grid layout engine (#1268)

[JeremyDev87]

Summary

• Add layout_grid() function in hooks/lib/tiny_actor_grid.py that arranges pre-rendered Tiny Actor cards into a responsive grid
• Calculates optimal column count from available_width, card_width, and gap parameters
• Falls back to fewer columns when terminal width is narrow (minimum 1 column)
• Pads rows for consistent display width and handles cards with different line counts

Test plan

• 3 cards at 80 cols fits in 1 row
• 6 cards at 80 cols wraps to 2 rows
• 1 card at 40 cols single column
• Narrow width forces column reduction
• All output lines have consistent display width
• Empty input returns empty list
• Cards with different line counts are padded
• Full test suite passes (618 Python tests, 5887 TS tests)

Closes #1268

[vercel]

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Project	Deployment	Actions	Updated (UTC)
codingbuddy-landing	Ready	Preview, Comment	Apr 4, 2026 2:27am

[JeremyDev87]

Review: APPROVE ✅ (CI pending — will confirm after full pass)

CI Status: 22/30 pass, 8 pending

Code Quality

• layout_grid() pure function: cards in → lines out
• Responsive column calculation: max(1, (width + gap) // (card_width + gap))
• Height normalization via padding for uneven cards
• zip_longest for safe line merging
• Row-width padding when fewer cards than max_columns

Tests (109 lines, 3 classes)

• Column calculation: 3@80, 6@80 (wrap), 1@40, narrow fallback
• Output consistency: uniform width assertion
• Edge cases: empty input, different line counts

No Issues Found

Recommendation: APPROVE (pending CI full pass)