double focusedAgent panel width (wide: 35→70, medium: 32→64)

[JeremyDev87]

Summary

• Double FOCUSED_AGENT_WIDTH constants to provide more content display space in the focusedAgent panel
  • wide: 35 → 70
  • medium: 32 → 64
• Update 8 test assertions to match new width values
• Update 3 stale test descriptions and comments to reflect new values

Closes #466

Changes

grid-layout.pure.ts

• FOCUSED_AGENT_WIDTH.wide: 35 → 70
• FOCUSED_AGENT_WIDTH.medium: 32 → 64

grid-layout.pure.spec.ts

• Updated 8 assertion values across wide/medium/scaling test cases
• Fixed 2 test description strings (width 35 → width 70, width 32 → width 64)
• Fixed 1 comment (45 + 20 = 65 → 64 + 20 = 84)

Clamping Safety

Scenario	focusedAgent	flowMap	Status
wide 120cols	min(70, 100) = 70	50	OK
medium 100cols	min(64, 80) = 64	36	OK
medium 80cols	min(64, 60) = 60	20	OK (clamped)
narrow	full width	full width	No change

No layout logic changes required — existing clamping (Math.min) handles all edge cases.

Test plan

• All 61 grid-layout tests pass
• Full test suite: 157 files, 3638 tests passed, 0 failures
• Invariant tests (no overlap, no gap, bounds) pass without modification
• Clamping edge cases (narrow terminal) pass

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Project	Deployment	Actions	Updated (UTC)
codingbuddy-landing	Ready	Preview, Comment	Feb 17, 2026 11:03am