[bot] Add CLI Extensions, /pr agent, preCompact hook, and MCP devcontainer support (v1.0.3–v1.0.5)#10
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…support from v1.0.5 - Add CLI Extensions section (Customization): experimental feature for writing custom tools/hooks via @github/copilot-sdk; /extensions command (v1.0.3+) - Add /pr — PR Lifecycle Agent section (Agentic): CLI slash command to create PRs, fix CI failures, address review feedback, resolve conflicts (v1.0.5) - Hooks: add preCompact hook type, disableAllHooks flag, 'ask' permission decision - MCP Servers: add .devcontainer/devcontainer.json as a supported config location - Squad: update 'What's new' to v0.8.25 - Update ASCII diagram, Table of Contents, Quick Reference, Further Reading Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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What's new
Based on Copilot CLI releases v1.0.3 (2026-03-09), v1.0.4 (2026-03-11), and v1.0.5 (2026-03-13), plus Squad v0.8.25 (2026-03-08):
New features found
@github/copilot-sdk. Copilot can scaffold extensions for itself./extensionscommand added in v1.0.5./pr— PR Lifecycle Agent (v1.0.5) — New CLI slash command: create PRs, view status, fix failing CI, address review feedback, resolve merge conflicts.preCompacthook type (v1.0.5) — New hook that runs before context compaction; useful for saving state or summarizing before the context window shrinks.disableAllHooksflag +askpermission (v1.0.4) — Config flags for disabling all hooks and requesting user confirmation before a hook runs..devcontainer/devcontainer.json(v1.0.3) — The CLI now also reads MCP server config from devcontainer files.Sections updated
.devcontainer/devcontainer.jsonpreCompactrowdisableAllHooksandaskpermission notesSource announcements