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BREAKING CHANGE: POST /runs/:runId/effects/:effectId/:attempt/:action returns { status, cancelRequested } instead of the run state. createLooms().workerCallback and the HTTP client return the same shape. Heartbeats may carry details that the next attempt's task includes. failEffect and worker fail callbacks can mark an attempt non-retryable or set retryAfterMs.
Co-authored-by: Cursor <cursoragent@cursor.com>
Attributes are immutable labels on the start event, run state, and summary, and authorization can see them. Secrets stay in a side store for handlers and in-process dispatch, and are kept out of events, snapshots, and HTTP responses. Co-authored-by: Cursor <cursoragent@cursor.com>
…b store Strings over 64 KiB, and any event payload that would still exceed 1 MiB, are stored by SHA-256. Reads and snapshots resolve the references, and trim deletes a body once nothing retained points at it. Co-authored-by: Cursor <cursoragent@cursor.com>
Start, spawn, and recovery can load a definition that was not registered on the module, pin that version on the run, and fail a missing start before any event is written. BREAKING CHANGE: Evaluator definitions require version, and lookup takes the name and version. defineEvaluator still defaults the version to v1. Co-authored-by: Cursor <cursoragent@cursor.com>
…full fold Run attributes are immutable and recorded on runtime.run.started, so authorization reads seq 1 and only falls back to loading the run when the log is trimmed. Store failures now fail the request instead of authorizing without attributes. Also fixes the start-body attribute decode, which did not type-check. Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
… runs Dropping a reference used to list and read every run's manifest, so each trim cost grew with the number of runs in the bucket. Each run now writes refs/<digest>/<run> markers, and collecting a body lists only that digest's markers. The old scheme also lost bodies when two Durable Objects shared a bucket. retain now writes markers before checking that each new body exists and fails the append if one was deleted. collect lists markers again after deleting and restores the body if a reference appeared. BlobBytes gains exists, and R2BucketLike gains head, so the check does not download the body. Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
…text A transport that persists tasks cannot carry secrets, so its worker needs another way to read them. POST /runs/:runId/effects/:effectId/:attempt/secrets returns the secret context only while that attempt is started and unsettled, and stale or cancelled otherwise. It uses worker access, so it stays closed until the host configures worker auth, and responses are not cacheable. client.workerSecrets wraps it. Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
The retry is scheduled from the wake's clock, which is read before the event timestamp, so comparing against the event could fail by a millisecond. The assertion also no longer skips when the payload is missing. Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
definitionResolveroncreateLooms,createRuntime, actor hosts, andLoomsDurableObjectConfig. Registered module definitions are checked first, then the host resolver, with an LRU cache that also remembers misses.runtime.thread.started. A miss fails withUnknownDefinitionErrorand writes no events. The accepted version stays pinned on the run. Replay resolves those pinned identities before fold, so synchronous definition lookups see them after a restart.version, defaulting tov1, and lookup takes the name and version.Test plan
bun x tsc -p packages/{core,runtime,workflow,agent,schedule,evaluator,actor,cloudflare,testing}/tsconfig.build.json --noEmitbun test srcin core (resolver), runtime, workflow, agent, schedule, evaluator, actor, and cloudflareoxlint --deny-warningson the changed filesbun run verifywas not runMade with Cursor