Summary

• limit legacy TTS enabled/speaker migration to schema-supported locations
• stop rewriting unsupported agents.defaults.tts and Discord root channel/account tts blocks
• preserve supported messages.tts, agents.list[].tts, voice-call plugin tts, and Discord voice.tts/account voice.tts migrations
• add regression coverage for unsupported paths and supported Discord voice TTS toggles

Verification

• pnpm test:serial src/commands/doctor/shared/legacy-config-migrate.provider-shapes.test.ts extensions/discord/src/doctor.test.ts
• pnpm check:changed

Credit

This PR follows the ClawSweeper commit finding for 1d0e9a9. No contributor PR is replaced.

Clownfish 🐠 replacement reef notes:

• Cluster: clawsweeper-commit-openclaw-openclaw-1d0e9a907e6d
• Source PRs: none
• Credit: Credit the source finding to the ClawSweeper commit report for 1d0e9a9.; No contributor PR is being replaced. The reviewed commit was authored by @vincentkoc; preserve attribution in the PR body if describing the original regression.
• Validation: pnpm test:serial src/commands/doctor/shared/legacy-config-migrate.provider-shapes.test.ts extensions/discord/src/doctor.test.ts; pnpm check:changed

fish notes: model gpt-5.5, reasoning xhigh; reviewed against f4d9b50.