feat(editors): migrate Zed config from JSON settings

- Add CLI behavior and agent UI font size settings
- Merge duplicated agent block with dock/default_profile/version
- Keep Anthropic default model (claude-4) from current active block
- Add agent_servers registry configuration for pi-acp
- Add rust_analyzer binary path_lookup setting
- Add panel layout (project, outline, collaboration, git docks to left)
- Remove placeholder context_server (example only)
- Add SSH connections for m3-atlas, self-host-playbook, m3-daedalus
- Update features with copilot=false and inline_prediction_provider
- Preserve edit_predictions provider setting
- Add default_profile=ask for agent

.beads/issues.jsonl

@@ -1 +0,0 @@
-{"_type":"issue","id":"nixpkgs-ng1","title":"Configure agent git identity in nixpkgs repo","description":"Git commits are using p@m3ta.dev instead of m3ta-chiron@agentmail.to. The GIT_AUTHOR_NAME and GIT_AUTHOR_EMAIL environment variables are not set in this environment. Need to configure the agent git identity for this repository following the pattern in AGENTS.md","status":"open","priority":2,"issue_type":"task","owner":"p@m3ta.dev","created_at":"2026-04-27T18:16:17Z","created_by":"m3tm3re","updated_at":"2026-04-27T18:16:17Z","dependency_count":0,"dependent_count":0,"comment_count":0}