chore: remove dead frontend code + enable noUnusedLocals

[GeiserX]

First cleanup PR from the /review-code! audit (spotless pass).

• Delete 14 confirmed-dead functions from frontend/src/main.ts (~195 lines) + 3 now-unused Wails-binding imports.
• Enable noUnusedLocals in frontend/tsconfig.json — dead symbols now fail the build.
• Fix the sidebar version string v0.5.0→v0.6.0.

Verified on macOS: tsc --noEmit passes clean with noUnusedLocals on (proves no dead code remains and nothing live was removed); go test ./... green (Go untouched).

Summary by CodeRabbit

• Bug Fixes
  • Improved app state refreshing so the UI updates more reliably, even if deployment data refreshes fail temporarily.
• Chores
  • Updated the desktop version label shown in the app from v0.5.0 to v0.6.0.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 30845fa3-103f-4b78-8237-aac2bb32bcb1

📥 Commits

Reviewing files that changed from the base of the PR and between f55a71e and 64c1891.

📒 Files selected for processing (2)

• frontend/src/main.ts
• frontend/tsconfig.json

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📝 Walkthrough

Walkthrough

Removes legacy service-card/detail rendering helpers and associated credential/deploy/log action handlers from main.ts, simplifies refreshState into a concurrent fetch-and-rerender function, trims unused Wails imports, updates the footer version string, and enables noUnusedLocals in tsconfig.

Changes

Frontend cleanup

Layer / File(s)	Summary
Import surface reduction frontend/src/main.ts	Removes ManagedRuntimePlan/RuntimePlan and RestartService from Wails and local type imports.
Remove legacy rendering/action code, simplify refreshState frontend/src/main.ts	Deletes service card/category/deployment/earnings/detail rendering helpers and credential/deploy/stop/restart/remove/logs/collect handlers; replaces old refresh logic with a concise refreshState that concurrently fetches runtime info and deployments (falling back on RefreshDeployments failure), then rebuilds state via GetAppState and rerenders.
Version label and tsconfig update frontend/src/main.ts, frontend/tsconfig.json	Bumps footer version to "Desktop v0.6.0" and enables noUnusedLocals alongside strict in tsconfig.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Possibly related PRs

• GeiserX/CashPilot-Desktop#29: Both PRs modify the same service-management UI/action handling code in frontend/src/main.ts, with this PR removing what that PR's baseline feature added.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the main changes: removing dead frontend code and enabling noUnusedLocals.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch cleanup/frontend-spotless

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