rootandClaude Fable 5.1
1262340856
- TaskEngine port + OpenWorkflowEngine ([email protected].1, schema openworkflow): enqueue/signal/cancel/get/list/startWorker/stop - defineTask registry with zod input schema; 9 stub task definitions (§3.1-8) - TaskContext: step.run/sleep/waitForFact, redacting logger, traceId, attemptToken, abortSignal driven by PG cancel flag - signal persists fact to tasks_fact first; waitForFact checks DB before waiting - OutboxRelay: FOR UPDATE SKIP LOCKED, idempotencyKey outbox:<id> - withAttemptToken fencing on tasks_op_ledger (own migration, merged in W2) - tests: kill -9 crash recovery (child worker), cancel, idempotency, concurrent relays, early fact, lease-loss fencing Co-Authored-By: Claude Fable 5.1 <[email protected]>
22 lines
725 B
TypeScript
22 lines
725 B
TypeScript
export class TaskCanceledError extends Error {
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override name = "TaskCanceledError";
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constructor(runId: string, reason?: string | null) {
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super(`task run ${runId} canceled${reason ? `: ${reason}` : ""}`);
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}
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}
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/** 租约已丢:该 opKey 已有更新的 attempt,当前 attempt 的提交被拒绝 */
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export class FencingError extends Error {
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override name = "FencingError";
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constructor(opKey: string) {
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super(`operation ${opKey}: attempt token superseded, commit rejected`);
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}
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}
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export class UnknownTaskError extends Error {
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override name = "UnknownTaskError";
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constructor(name: string, version?: number) {
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super(`task ${name}${version === undefined ? "" : `@${version}`} is not registered`);
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}
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}
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