YeonGyu-Kim b7b6721796 refactor(think-mode): migrate hook from chat.params to chat.message and remove thinking config injection
Drop provider-specific thinking config injection (THINKING_CONFIGS, getThinkingConfig,
resolveProvider) and instead rely on the provider to handle thinking based on the variant field.
Hook now fires on chat.message using model from input rather than from the message object.

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2026-02-26 20:08:44 +09:00
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