v0.25.0

Changelog

• f631855 Handle cancellation without blocking on unresponsive tool calls
• 8e16a1c build: govern supported agent sdk api
• 72b045d docs: publish agent sdk compatibility contracts
• b2afbc2 feat: add lifecycle tracing and guardrails
• 649edb3 feat: enforce runtime run limits
• 5579efa feat: harden built-in reviewer and review skills
• 699d4ae feat: migrate durable sdk schemas
• bb18c2b feat: persist approval pauses and task leases
• ff0aa87 feat: tighten policy, escalation prompts, and guardian projection
• d8e8018 feat: validate runtime capabilities
• 0707abb fix: add session CAS and sequence contracts
• a2facd1 fix: bound runtime event streams
• c234927 fix: harden policy and JSON value isolation
• 84ad800 fix: make session compound commits crash atomic
• bf1b3d3 fix: recover unknown tool side effects safely
• 58b207e fix: remove run limits and harden handoff/tool journals
• 9bd9626 refactor: centralize acp semantic codecs
• ba814f5 refactor: fold agent sdk into root module
• b1ede16 refactor: move controller status policy to control
• 7fa2b84 refactor: move handoff coordination to control
• 1f329ca refactor: move product assembly out of agent sdk
• 8431287 refactor: narrow agent sdk public contracts
• 1ba8bd8 refactor: use typed sdk error codes