19c0afcc0d
- Added the `--external-thinking` CLI flag alongside model capability checks to gate external thinking tool availability. - Updated Anthropic and Google transports to honor `forceReasoningOff` for native thinking-off controls. - Renamed the `thoughts` property and parameter to `notes` across think fixtures, tools, and tests. - Updated system prompt instructions and test suites to verify transport-specific thinking and tool activation.