/**
 * scoreTask — pure-functional task priority scorer.
 *
 * Computes a numeric score for a task given its attributes and project context.
 * Pure functional — no I/O, no DB access, no async.
 *
 * @arch SDK Tool (Category B) — pure, no side effects, contracts-typed
 * @task T10068
 * @epic T9835
 */
import type { ScoreTaskContext, ScoreTaskInput, ScoreTaskResult } from '@cleocode/contracts';
/**
 * Compute a priority score for a single task.
 *
 * Scoring formula:
 * - **Priority** (+25/+50/+75/+100 depending on level)
 * - **Phase alignment** (+20 when task phase matches `ctx.currentPhase`)
 * - **Dependency readiness** (+10 when all deps are done/cancelled)
 * - **Age bonus** (+1 per week over 7 days, capped at +15)
 * - **Brain success pattern** (+10 for first matching success pattern)
 * - **Brain failure pattern** (-5 for first matching failure pattern)
 *
 * @param task - Task to score
 * @param ctx - Scoring context (phase, dep statuses, patterns)
 * @returns Score and individual factors
 *
 * @example
 * ```typescript
 * const result = scoreTask(
 *   { id: 'T1', title: 'Auth', priority: 'high', phase: 'v2', depends: ['T0'] },
 *   { currentPhase: 'v2', taskStatuses: new Map([['T0', 'done']]) },
 * );
 * // result.score === 75 (priority) + 20 (phase) + 10 (deps) = 105
 * ```
 */
export declare function scoreTask(task: ScoreTaskInput, ctx: ScoreTaskContext): ScoreTaskResult;
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