[Bug] Model generates shallow responses prioritizing speed over quality verification

**Bug Description**
para anthropic. esto es absurdo. no queremos los usuarios respuestas asertivas, queremos trabajos bien hechos. esto que haceis es una falta de respeto y robar a los usuarios tokens y dinero por forzar respuests rapida y vacias en vez de respuestas reales y verificadas.

**Environment Info**
- Platform: win32
- Terminal: windows-terminal
- Version: 2.1.266
- Feedback ID: 5352ce96-43c6-49a4-8fa5-6e789158a7be

**Errors**
```json
[{"error":"TelemetrySafeError: VirtualMessageList: itemKeys/messages length desync (keys=262 messages=261 range=[231,262))\n at cJt (B:/~BUN/root/chunk-achrwd73.js:36:27844)\n at Zye (B:/~BUN/root/chunk-achrwd73.js:36:20655)\n at Br (B:/~BUN/root/chunk-h285wy21.js:18:20178)\n at Lu (B:/~BUN/root/chunk-h285wy21.js:18:38344)\n at Zh (B:/~BUN/root/chunk-h285wy21.js:18:84425)\n at Gg (B:/~BUN/root/chunk-h285wy21.js:18:83425)\n at nc (B:/~BUN/root/chunk-h285wy21.js:18:83254)\n at Gh (B:/~BUN/root/chunk-h285wy21.js:18:79779)\n at qe (B:/~BUN/root/chunk-h285wy21.js:18:6261)\n at ke (B:/~BUN/root/chunk-h285wy21.js:18:4792)","timestamp":"2026-09-10T10:48:04.578Z"}]
```

Start by reproducing the report on win32 in Windows Terminal with version 2.1.266, using feedback ID 5352ce96-43c6-49a4-8fa5-6e789158a7be. Inspect the reported VirtualMessageList stack in chunk-achrwd73.js and chunk-h285wy21.js; done means the desynchronization and shallow-response behavior are reproduced, understood, and verified as fixed.

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