M4: 范式引擎与任务运行时

skill-engine(L4):载方法不载权力(白名单外工具即拒)、结晶片段经 ToolInvoker 留痕、装配入信封、技能目录渐进披露 flow-engine(L5):四种步型、确定性谓词跳步、重试与声明给定的兜底、异步步即监听(时限必配)、写类工具登记动作意向、步序位置持久 loop-engine(L5):自研 CMMN 子集解析器(表外构件直接报错,子集封顶可机器证明)、两副标准生命周期与迁移拓扑(引擎不得私改)、Enabled ≠ Active、语义性前提标待裁量评估(引擎不代裁量)、DMN 确定性求值 + 命中行留痕、 DRD 缺口演绎与拓扑序、双向驱动与交集导航(断点即人环)、三型行动、终局唯放行与 Harness task(L6):终态五名裁定(released 唯一成功)、Harness 预算环外强制与停滞熔断 (监听中是健康态)、控制三语义(叫停不是终态,记最重档纠正)、改派留痕通知双方、断点续跑三份持久状态、封卷触发蒸馏钩子 301 个测试通过,门禁五道全绿 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01KeDBx2PHLavbURXB8LJJ7m
2026-07-27 01:51:22 +08:00
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+/**
+ * module: task —— 本模块要外界提供的能力(编码规范 §10.1 / §5.3)。
+ */
+import type { BudgetCaps, Paradigm, StaffId, TaskId, TerminalState } from '@contracts';
+import type { Consumption } from './internal/domain/harness.ts';
+import type { Task } from './contract.ts';
+export type Clock = {
+    now(): Date;
+};
+export type IdGenerator = {
+    next(): string;
+};
+export type TaskStore = {
+    insert(task: Task): Promise<void>;
+    get(taskId: TaskId): Promise<Task | undefined>;
+    listByOwner(ownerId: StaffId, openOnly: boolean): Promise<Task[]>;
+    update(taskId: TaskId, patch: Partial<Task>): Promise<Task>;
+    addConsumption(taskId: TaskId, delta: Partial<Consumption>): Promise<Consumption>;
+    lastProgressAt(taskId: TaskId): Promise<Date | undefined>;
+    markProgress(taskId: TaskId, at: Date): Promise<void>;
+};
+/** 活动装载 —— app 注入 `activity-registry`(L4) */
+export type ActivityLoader = {
+    load(activityId: string): Promise<{
+        paradigm: Paradigm;
+        caps: BudgetCaps;
+        envelope: Record<string, unknown>;
+        /** 输入 data 的 JSON Schema —— 缺项不得启动 */
+        inputSchema: Record<string, unknown>;
+        businessModel: unknown;
+        stallAfter: string;
+    }>;
+};
+export type SchemaValidator = {
+    validate(schema: Record<string, unknown>, value: unknown): {
+        ok: boolean;
+        errors: string[];
+    };
+};
+/** 范式引擎 —— loop / flow 在此汇流;对上层不可区分(§9 双层边界) */
+export type ParadigmEngine = {
+    load(taskId: TaskId, model: unknown): Promise<void>;
+    advance(taskId: TaskId): Promise<{
+        status: 'running' | 'awaiting' | 'submitted' | 'finished' | 'blocked';
+        reason?: string;
+    }>;
+    onEvent(taskId: TaskId, event: {
+        kind: 'data' | 'time' | 'human' | 'control';
+        ref: string;
+        payload: Record<string, unknown>;
+    }): Promise<{
+        status: 'running' | 'awaiting' | 'submitted' | 'finished' | 'blocked';
+        reason?: string;
+    }>;
+};
+export type MemoryRecorder = {
+    append(input: {
+        taskId: TaskId;
+        kind: 'engine-transition' | 'terminal' | 'observation';
+        title: string;
+        detail?: Record<string, unknown>;
+    }): Promise<void>;
+    seal(taskId: TaskId): Promise<void>;
+    /** 终态封卷触发蒸馏钩子 —— 产出活动记忆候选条目 */
+    distill(input: {
+        taskId: TaskId;
+        activityId: string;
+        trigger: 'terminal';
+        prompt: string;
+    }): Promise<unknown>;
+    hasHistory(taskId: TaskId): Promise<boolean>;
+};
+/** 监听在等?—— app 注入 `event`(L1):监听中是健康态,与停滞分别对待 */
+export type ListenerProbe = {
+    hasArmedListener(taskId: TaskId): Promise<boolean>;
+};
+/** 草稿层与运行时状态是否在 —— 断点续跑的三份持久状态 */
+export type PersistenceProbe = {
+    hasDrafts(taskId: TaskId): Promise<boolean>;
+    hasRuntimeState(taskId: TaskId): Promise<boolean>;
+};
+/** 控制事件与终态事件 —— app 注入 `event`(L1) */
+export type TaskEventPublisher = {
+    publishControl(taskId: TaskId, semantic: string, by: StaffId, reason?: string): Promise<void>;
+    publishTerminal(taskId: TaskId, terminal: TerminalState, reason: string): Promise<void>;
+};
+/** 改派通知 —— app 注入 `message`(L2):改派留痕并**通知双方** */
+export type ReassignNotifier = {
+    notify(input: {
+        from: StaffId;
+        to: StaffId;
+        taskId: TaskId;
+        title: string;
+        by: StaffId;
+    }): Promise<void>;
+};
+/** 交互态 —— app 注入 `interaction`(L3):控制权按态转交 */
+export type InteractionPhaseSetter = {
+    setPhase(taskId: TaskId, phase: 'activating' | 'active' | 'awaiting-human' | 'awaiting-event' | 'transitioning' | 'terminal'): Promise<void>;
+};