/**
 * Routing Guidance — Task Classification Pure Logic
 *
 * Phase: PRI-74 Routing Guidance Migration (follow-up to PRI-75 Prompt Injection SDK Migration)
 *
 * Pure functions for classifying task intent and building routing guidance.
 * No I/O dependencies — suitable for any host.
 */
/**
 * The input contract for a routing decision.
 * All fields are optional — the classifier handles missing data gracefully.
 */
export interface RoutingInput {
    taskIntent?: string;
    taskDescription?: string;
    /** @deprecated Not used by classifyTaskKind; reserved for future extensions. */
    requestedTools?: string[];
    requestedFiles?: string[];
    expectedOutputShape?: string;
    complexityHints?: string[];
    targetProfile?: 'local-reader' | 'local-editor';
}
/**
 * Classification categories from classifyTaskKind.
 * The full RoutingDecision includes I/O fields (deploymentCheck, etc.)
 * that belong to the plugin layer.
 */
export type RoutingClassification = 'reader_eligible' | 'editor_eligible' | 'high_entropy_disallowed' | 'ambiguous_scope' | 'profile_mismatch' | 'deployment_unavailable';
/**
 * Keywords that indicate a task is suitable for `local-reader`.
 */
export declare const READER_KEYWORDS: readonly ['read', 'view', 'show', 'get', 'find', 'search', 'grep', 'look', 'inspect', 'examine', 'list', 'cat', 'head', 'tail', 'diff', 'summary', 'summarize', 'extract', 'parse', 'review', 'check', 'verify', 'status', 'describe', 'explain_what', 'browse', 'fetch', 'show_content', 'file_content', 'code_read'];
/**
 * Keywords that indicate a task is suitable for `local-editor`.
 */
export declare const EDITOR_KEYWORDS: readonly ['edit', 'update', 'modify', 'change', 'fix', 'patch', 'replace', 'add', 'remove', 'delete', 'insert', 'rewrite', 'refactor', 'apply', 'execute', 'run', 'transform', 'convert', 'migrate', 'write', 'create_file', 'append', 'touch', 'rename'];
/**
 * Keywords that indicate HIGH ENTROPY — tasks that must stay on main agent.
 */
export declare const HIGH_ENTROPY_KEYWORDS: readonly ['design', 'architect', 'plan', 'strategy', 'roadmap', 'propose', 'research', 'investigate', 'explore', 'evaluate', 'compare', 'decide', 'choose', 'recommend', 'suggest', 'analyze_tradeoffs', 'unclear', 'vague', 'ambiguous', 'open_ended', 'multiple_options', 'architecture', 'system_design', 'high_level', 'blueprint', 'thinking', 'reasoning', '思考', '分析', '设计'];
/**
 * Simple case-insensitive keyword match.
 */
export declare function containsKeyword(text: string | undefined, keywords: readonly string[]): boolean;
/**
 * Compute a combined text from all input fields for keyword scanning.
 */
export declare function computeCombinedText(input: RoutingInput): string;
/**
 * Classify the task based on its input fields.
 * Returns a raw classification category (before deployment check).
 * This is a pure function — no I/O, no stateDir.
 */
export declare function classifyTaskKind(input: RoutingInput): RoutingClassification;
/**
 * Build the reason string for a given classification.
 */
export declare function buildReason(classification: RoutingClassification, input: RoutingInput): string;
/**
 * Build the blockers list for a given classification.
 */
export declare function buildBlockers(classification: RoutingClassification, input: RoutingInput): string[];
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