v3.32.0-rc.14

What's Changed

• feat(rest): add task signal endpoints by @nthmost-orkes in #1205
• A2A Client Fix by @v1r3n in #1354
• fix(scheduler): return 404 from GET /schedules/{name} when the schedule does not exist by @kowser-orkes in #1357
• feat(a2a): backward compat with A2A v0.2 clients (tasks/send, /rpc alias) by @shaileshpadave in #1341
• Enhances A2A/AgentSpan execution by @v1r3n in #1356
• feat(files): enforce workflow-scoped file transfers by @v1r3n in #1355
• Fix #1323: AgentSpan output guardrails pass through on tool-call turns by @NicholasDCole in #1352

Full Changelog: v3.32.0-rc.13...v3.32.0-rc.14