style: apply oxfmt baseline formatting across all source files (#25)

## Summary
- Run `oxfmt .` across the entire codebase to establish formatted baseline
- 299 files changed — mechanical formatting only, no logic changes
- Double quotes, semicolons, 2-space indent, trailing commas, 100 print width

Part 3/4 of [VA-851](https://linear.app/heygen/issue/VA-851/pre-migration-configure-eslint-prettier-and-conventional-commits)

## Test plan
- [x] `pnpm format:check` — all 426 files pass
- [x] `pnpm -r typecheck` — all packages pass
- [x] `pnpm build` — all packages build
- [x] All 348 tests pass

packages/producer/tests/style-11-prod/src/code_review.md

@@ -1,14 +1,17 @@
 # HyperFrame Schema Compliance Review
 
 ## Executive Summary
+
 - Total files reviewed: 4
 - Critical issues: 0
 - Overall compliance status: PASS
 
 ## Critical Issues
+
 None. The compositions follow the HyperFrame schema correctly, including deterministic logic, finite timelines, and proper registration.
 
 ## Compliance Checklist
+
 - [x] All compositions have `data-width` and `data-height` attributes
 - [x] All timelines are finite with duration > 0
 - [x] All compositions registered in `window.__timelines`
@@ -26,25 +29,33 @@ None. The compositions follow the HyperFrame schema correctly, including determi
 - [x] No infinite or zero-duration timelines
 
 ### [index.html]
+
 **Status**: COMPLIANT
 
 **Issues Found**:
+
 - None. The root composition correctly orchestrates sub-compositions and the A-roll video.
 
 ### [compositions/bg-grid.html]
+
 **Status**: COMPLIANT
 
 **Issues Found**:
+
 - None. The script uses deterministic loops and fixed arrays for cube placement. The timeline is registered correctly.
 
 ### [compositions/mg-overlays.html]
+
 **Status**: COMPLIANT
 
 **Issues Found**:
+
 - None. The script uses a finite loop for the background grid pulse instead of an infinite repeat, ensuring a finite timeline.
 
 ### [compositions/captions.html]
+
 **Status**: COMPLIANT
 
 **Issues Found**:
+
 - None. Captions are grouped and animated deterministically based on the transcript.