/**
 * LLM Provider Interface
 * Abstraction for LLM calls - allows different implementations (backend proxy, local, etc.)
 */
/**
 * Labeled image for multi-image LLM requests
 * Used for before/after comparisons or multi-screenshot analysis
 */
export interface LabeledImage {
    label: string;
    dataUrl: string;
}
/**
 * LLM request - camelCase for TypeScript
 */
export interface LLMRequest {
    model?: string;
    systemPrompt?: string;
    userPrompt?: string;
    imageUrl?: string;
    images?: LabeledImage[];
}
/**
 * LLM response
 */
export interface LLMResponse {
    answer: string;
    usage?: {
        inputTokens: number;
        outputTokens: number;
    };
}
/**
 * Abstract LLM provider interface
 * Implementations can call backend proxy, local LLM, or any other service
 */
export interface LLMProvider {
    /**
     * Call LLM with given request
     * Implementations handle authentication, API calls, retries, etc.
     */
    callLLM(request: LLMRequest): Promise<LLMResponse>;
    /**
     * Optional: Set logger for LLM provider to log its activities
     */
    setLogger?(logger: (message: string, level?: 'log' | 'error' | 'warn') => void): void;
}
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