v0.13.0

What's Changed

• Refactor ACP session setup into shared session code (prep for chat) by @vicgupta in #301
• Add interactive chat mode (tinyagent chat, -i) by @vicgupta in #302
• Fix #277: tinyagent triage ranks open issues into a next-up list by @vicgupta in #303
• Fix #278: --workflow-observe proposes project rules from failed workflow runs by @vicgupta in #305
• Fix #281: contract docs for stable surfaces in skill workflows by @vicgupta in #315
• Fix #282: document the 256 KiB MCP cap for --tool-output-files by @vicgupta in #316
• Fix #283: Add short PR body template by @vicgupta in #320
• Fix #284: verify-on-stop on by default for --workflow runs by @vicgupta in #321
• Fix #306: one tools.Selection owns the catalog and its resume fingerprint by @vicgupta in #322
• Fix #307: collapse Executor.Run* wrappers to a single RunResult entry point by @vicgupta in #323
• Fix #308: Add agent.New(Options) to validate construction invariants by @vicgupta in #324
• Fix #309: add tools.Executor.Child(ChildSpec) for child executors by @vicgupta in #325
• Part of #310: move resume flag-versus-checkpoint checks into internal/resume by @vicgupta in #333
• Part of #310: fold root, fingerprint, and tool-name checks into resume.Check by @vicgupta in #334
• Part of #310: add resume.Load and resume.Apply for resume assembly by @vicgupta in #338
• Release v0.13.0 by @vicgupta in #339

Full Changelog: v0.12.0...v0.13.0