chore(main): release 1.3.1 - #1390

🤖 I have created a release beep boop

1.3.1 (2026-11-13)

Features

• cluster: Introduce ServerCallContext to DatabaseTaskEventStream (#1399) (6168d59)

Bug Fixes

• client: percent-encode ids in REST transport paths (#1436) (1bbe69c)
• client: split SSE lines only on CR, LF and CRLF (#1456) (c8ccea9)
• compat: get a v0.3 push config by task id alone (#1380) (aa8e966)
• compat: list push notification configs in the v0.3 REST client (#1424) (d830036), closes #1423
• compat: parse the v0.3 REST extended agent card as JSON (#1420) (076e0ec)
• compat: percent-encode ids in v0.3 REST transport paths (#1458) (1ff86d5)
• compat: return -32602 for invalid v0.3 JSON-RPC params (#1419) (05aaff6)
• compat: return 400 for a non-integer v0.3 REST historyLength (#1382) (9c90c48), closes #1381
• compat: return HTTP errors from v0.3 REST streams that fail early (#1403) (11f1116)
• compat: send no v0.3 configuration when the request has none (#1429) (01483cb)
• compat: send v0.3 REST request bodies with json_name keys (#1455) (2399993)
• compat: serve DELETE for v0.3 REST push notification configs (#1442) (14e799c)
• reject decoded values that are not objects in parse_lenient (#1431) (257626b)
• reject invalid REST boolean query values (#1383) (babc3f5)
• server: close the event queues when ActiveTask.start() fails (#1422) (5e0d415)
• server: create the cluster tables lazily in VersionedDatabaseTaskStore get and delete (#1357) (4e133b7)
• server: fail fast when an executor produces no events (#1345) (ab7e36f)
• server: forward CancelTaskRequest.metadata to AgentExecutor.cancel (#1416) (f666ba3), closes #1415
• server: infer contextId from task when only taskId is provided (#1453) (2ba8e7b), closes #1411
• server: match input modes on type and subtype, ignoring case (#1425) (28f8a62)
• server: prevent failed cancel from overwriting terminal task state (#1405) (ac48ce1)
• server: record FAILED when a task's terminal save fails (#1400) (4e916d8)
• server: reject out-of-range ListTasks cursor timestamps (#1451) (f451ed7)
• server: run after_handler_run when a handler call is cancelled (#1427) (2cc1dd5)
• server: treat request bodies that are not valid UTF-8 as parse errors (#1401) (56ec855)

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