v1.10.0-beta.1

What's Changed

• feat(llm): Anthropic prompt caching + agent-loop/sysprompt harness fixes by @jason870721 in #49
• docs(roadmap): seven swarm PRDs — dynamic workflow (claims v1.10) + six v1.11+ candidates by @jason870721 in #50
• feat(swarm): dynamic workflow — task graph auto-dispatch, task_done, ephemeral clones (DWF-1..8) by @jason870721 in #51

Full Changelog: v1.8.5-beta.1...v1.10.0-beta.1