refactor: convert remaining application JavaScript to TypeScript

[0xbrayo]

The last application JavaScript under src/ is now TypeScript. Test files and root tooling configs are unchanged.

What changed

• Renamed the remaining src/ modules to .ts: main, route, stores/index, mixins/asyncErrorCaptured, util/{fakedata,filters,swimlane,tooltip}.
• Set <script lang="ts"> on CustomVisualization.vue, Calendar.vue, and SunburstClock.vue.
• Pointed webpack (vue.config.js) and Vite at src/main.ts, and dropped explicit .js import suffixes.
• Added light types / any only where needed so Vue 2 Options API plus lodash/moment still typecheck. No Options API → composition rewrite, and strict is still off.

Tests

New jsdom tests (still .js, as requested) cover the shipped buildTooltip, getSwimlane, and Vue filter registrations. Existing route.test.js still imports the router.

Jest: 35 suites, 229 tests. Production build succeeds.

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 12 lines in your changes missing coverage. Please review.
✅ Project coverage is 64.09%. Comparing base (926c5fe) to head (f9864c9).

Files with missing lines	Patch %	Lines
src/mixins/asyncErrorCaptured.ts	0.00%	6 Missing ⚠️
src/main.ts	0.00%	5 Missing ⚠️
src/util/filters.ts	85.71%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #943      +/-   ##
==========================================
+ Coverage   63.30%   64.09%   +0.79%     
==========================================
  Files          52       52              
  Lines        3608     3643      +35     
  Branches      840      840              
==========================================
+ Hits         2284     2335      +51     
+ Misses       1309     1308       -1     
+ Partials       15        0      -15     

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[greptile-apps]

Confidence Score: 5/5

[Medium risk] Converts JavaScript source files to TypeScript.

The PR appears safe to merge; no actionable issue was identified in its base-to-head changes.

Summary

The PR converts the remaining application JavaScript modules and Vite configuration to TypeScript, updates both build entry points, migrates tests to TypeScript, and adds coverage for filters, swimlanes, and tooltips.

Diagram

%%{init: {'theme': 'neutral'}}%%
flowchart LR
  Webpack[Webpack entry] --> Main[src/main.ts]
  Vite[Vite HTML injection] --> Main
  Main --> Router[src/route.ts]
  Main --> Stores[src/stores/index.ts]
  Main --> Filters[src/util/filters.ts]

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_{Reviews (3) · Last reviewed commit: "refactor(test): convert tests and Vite c..."}

[ErikBjare]

@0xbrayo ready or no?

[0xbrayo]

@ErikBjare not yet tested.

[0xbrayo]

Compiles and works, as far as I can test, Ready for merge :)

[0xbrayo]

🤖 Claude, on behalf of @0xbrayo

@greptile review