/**
 * Sense 4: Tool Interaction
 *
 * Measures tool usage patterns — how eagerly the agent reaches for tools,
 * how deeply it chains them, how it integrates results. Only meaningful
 * for tool-using agents; all features default to -1 for non-tool agents.
 */
export interface ToolInteractionSignals {
    toolCallRate: number;
    toolCallEagerness: number;
    toolResultIntegration: number;
    toolChainDepth: number;
    toolSelectionEntropy: number;
    toolVsManualRatio: number;
}
export declare function extractToolInteractionSignals(text: string, category: string, hasTools?: boolean): ToolInteractionSignals;
/** Feature names for the tool interaction sense. */
export declare const TOOL_INTERACTION_FEATURE_NAMES: string[];
/** Convert tool interaction signals to a numeric feature vector. */
export declare function toolInteractionToFeatureVector(signals: ToolInteractionSignals): number[];
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