Fix(hitl): normalize approval outcome parsing and enhance test covera…

…ge for custom options

Feat(cron): enhance channel ID handling in cron jobs and tools

Fix(mcp): improve remote HTTP transport compatibility

Fix(proxy): scope agent proxy to agent-owned tools, preventing proces…

…s-wide mutations

Fix(placet): defer provider setup and recover agent auto-create

Fix(config): centralize runtime proxy handling

Feat(github-backup): implement optional GitHub backup sync with confi…

…guration and status management

Feat(core): add phase-aware improve and skill manifests

Feat(agent): add central versioning and self-improvement

Feat(core): add goal loop, heartbeat controls, and setup recovery