Disable "thinking" controls for Z.ai GLM-4.5/4.6 and add UI note

[roomote]

Per Z.ai guidance: GLM-4.5 and GLM-4.6 coding agents were trained without think data. This change removes supportsReasoningBinary from these models so the UI hides thinking controls and the backend no longer sends thinking params. Also adds a concise note in the Z AI provider settings: "For coding agents, GLM-4.5/4.6 have no think; thinking will be available in GLM-4.6 Air." Tests updated and passing.

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Important

Disable 'thinking' controls for GLM-4.5/4.6 models and update UI to reflect this change.

• Behavior:
  • Removes supportsReasoningBinary from GLM-4.5 and GLM-4.6 models in zai.ts to disable 'thinking' controls.
  • Updates test cases in zai.spec.ts to ensure 'thinking' parameters are not included for GLM-4.5/4.6.
• UI:
  • Adds note in ZAi.tsx and updates translations in settings.json files across multiple languages to inform users that 'thinking' is unavailable for GLM-4.5/4.6.

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[roomote]

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Re-review complete. No new issues found.

Previous reviews

• 8d01f53: Review #1

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[ellipsis-dev]

The new key zaiThinkNote is added with an English string. Please ensure that for non‐English locales you provide proper translations rather than using the English fallback, in accordance with our i18n best practices.

Suggested change

	"zaiThinkNote": "Note: For coding agents, GLM-4.5 and GLM-4.6 were trained without 'think'. Thinking will be available in GLM-4.6 Air."
	"zaiThinkNote": "注意：对于编码代理，GLM-4.5 和 GLM-4.6 训练时未包含 'think'。GLM-4.6 Air 将支持思考功能。"

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