Webui optimization pass 01

[MerverliPy]

Description

Type of Change

• 🐛 Bug fix (non-breaking change which fixes an issue)
• ✨ New feature (non-breaking change which adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
• 📝 Documentation update
• 🎨 Code style / refactoring (no functional changes)
• 🔧 Configuration / build / CI changes
• ⚡ Performance improvement
• ✅ Test coverage improvement

Phase Context

• Part of Phase implementation: Phase ___ — _________
• Phase-independent (refactor, fix, polish, or tooling)

Exit gates addressed: (if applicable)

• Exit gate 1: ...
• Exit gate 2: ...

Testing

• All existing tests pass (bun test)
• New tests added for this change
• Manual testing performed (describe scenarios below)

Test coverage:

# Commands to verify this change
bun test <package>

Checklist

• My code follows the style guidelines (Biome passes)
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings or errors
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published

Phase Verification (if applicable)

• Exit gates updated in docs/27_PROJECT_ROADMAP.md (mark [x] when complete)
• Phase status updated in AGENTS.md (if phase boundary changed)
• Phase status updated in README.md (if phase boundary changed)
• Test count badge updated in README.md (if tests added)

Documentation Updates

• README.md
• AGENTS.md
• CONTRIBUTING.md
• Roadmap doc (docs/27_PROJECT_ROADMAP.md)
• API documentation
• Inline code comments
• N/A — no documentation changes needed

Related Issues

Fixes #
Relates to #

Screenshots / Videos (if applicable)

Deployment Notes

• No special deployment steps required
• Database migration required
• Configuration changes required (specify below)
• Environment variables added/changed (document in .env.example)

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Reviewer Notes:

[github-actions]

🤖 agent-workbench PR Review

✅ Clean — no issues found across 16 TypeScript files

📄 apps/dashboard/src/App.tsx

• ⚠️ WARNING [workbench]: File not found locally — may need to checkout the branch

📄 apps/dashboard/src/components/CostTrends.tsx

• ⚠️ WARNING [workbench]: File not found locally — may need to checkout the branch

📄 apps/dashboard/src/components/Header.tsx

• ⚠️ WARNING [workbench]: File not found locally — may need to checkout the branch

📄 apps/dashboard/src/components/LatencyHeatmap.tsx

• ⚠️ WARNING [workbench]: File not found locally — may need to checkout the branch

📄 apps/dashboard/src/components/StatusBreakdown.tsx

• ⚠️ WARNING [workbench]: File not found locally — may need to checkout the branch

📄 apps/dashboard/src/components/SummaryCards.tsx

• ⚠️ WARNING [workbench]: File not found locally — may need to checkout the branch

📄 apps/dashboard/src/utils/format.ts

• ⚠️ WARNING [workbench]: File not found locally — may need to checkout the branch

📄 apps/mobile-web/src/App.tsx

• ⚠️ WARNING [workbench]: File not found locally — may need to checkout the branch

📄 apps/mobile-web/src/components/ChatView.tsx

• ⚠️ WARNING [workbench]: File not found locally — may need to checkout the branch

📄 apps/mobile-web/src/components/NavDrawer.tsx

• ⚠️ WARNING [workbench]: File not found locally — may need to checkout the branch

📄 apps/mobile-web/src/components/PermissionPrompt.tsx

• ⚠️ WARNING [workbench]: File not found locally — may need to checkout the branch

📄 apps/mobile-web/src/components/TabBar.tsx

• ⚠️ WARNING [workbench]: File not found locally — may need to checkout the branch

📄 apps/mobile-web/src/components/icons/index.tsx

• ⚠️ WARNING [workbench]: File not found locally — may need to checkout the branch

📄 apps/mobile-web/src/lib/event-dispatcher.ts

• ⚠️ WARNING [workbench]: File not found locally — may need to checkout the branch

📄 apps/mobile-web/src/state/permission.test.ts

• ⚠️ WARNING [workbench]: File not found locally — may need to checkout the branch

📄 benchmarks/e2e-skill-metrics.ts

• ⚠️ WARNING [workbench]: File not found locally — may need to checkout the branch