Mark 333e0dcb18 test(01-09): RED — displaySurface:'monitor' + cursor:'always' constraint contract ...

Plan 01-09 Task 1 RED — pins 4 tests for D-15-display-surface contract:
1. getDisplayMedia called with strict {video:{displaySurface:'monitor',
   cursor:'always'},audio:false} (deep-equality, NOT objectContaining).
2. Non-monitor pick (browser/window) tears down stream + emits
   RECORDING_ERROR wrong-display-surface.
3. Monitor pick does NOT trip wrong-display-surface (over-fire guard).
4. classifyCaptureError routes 'wrong-display-surface' message prefix
   to 'wrong-display-surface' code.

Task 2 will flip Tests 1, 2, 4 to GREEN by adding constraints +
post-grant validation + extending CaptureErrorCode union.

Deviation Rule 3: navigator getter-only in Vitest's node env required
Object.defineProperty wrapper (installNavigatorStub helper) instead
of direct assignment.

2026-05-17 15:08:35 +02:00

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