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Larry Koo
204038ec60
* feat: add extended thinking support for Anthropic models Support configurable thinking levels (off/low/medium/high/xhigh/adaptive) via `agents.defaults.thinking_level` config field. - "adaptive": uses Anthropic's adaptive thinking API (Claude 4.6+) - "low/medium/high/xhigh": uses budget_tokens (all thinking-capable models) - "off": disables thinking (default) API constraints handled: - Temperature cleared when thinking is enabled - budget_tokens clamped to max_tokens-1 - Thinking response blocks parsed into Reasoning field Relates to #645, #966 * fix: address PR review feedback for thinking support - Add ThinkingCapable interface for provider capability detection - Warn when thinking_level is set but provider doesn't support it - Warn when temperature is cleared due to thinking enabled - Adjust budget values per Anthropic best practices (medium=16K, xhigh=64K) - Add budget clamp warning and 80% threshold warning - Add parseResponse thinking block tests - Add thinking_level field to config.example.json * refactor: move ThinkingLevel from AgentDefaults to ModelConfig Thinking is a model-level capability, not a global agent property. Per-model config avoids silent ignoring on non-Anthropic providers and eliminates spurious warning logs in multi-provider setups. Addresses PR #1076 review feedback from @yinwm.