Federate Copilot and Claude instructions from a single source#17
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borland502 merged 1 commit intomainfrom Apr 30, 2026
Merged
Federate Copilot and Claude instructions from a single source#17borland502 merged 1 commit intomainfrom
borland502 merged 1 commit intomainfrom
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Add home-manager/config/instructions/agent-defaults.md as the source of truth for shared AI agent defaults, using @@agent@@ as a placeholder. Introduce home-manager/lib/agent-instructions.nix to render per-agent derivations (Copilot with YAML frontmatter, Claude as plain CLAUDE.md) via builtins.replaceStrings at evaluation time. Wire both common.nix and home-darwin.nix to the derived outputs and drop the old static files. Update the copilot sync check script to substitute the placeholder before normalization. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
home-manager/config/instructions/agent-defaults.mdas the single source of truth for shared AI agent defaults, using@@AGENT@@as a placeholder wherever the agent name (e.g. cache directory) should differ per tool.home-manager/lib/agent-instructions.nixto render two derivations at evaluation time:copilot(placeholder →copilot, Copilot YAML frontmatter prepended) andclaude(placeholder →claude, plain CLAUDE.md with no frontmatter).common.nixandhome-darwin.nixto consume the rendered derivations instead of static files; all existing deployment targets (~/.claude/CLAUDE.md, VS Code stable/Insiders prompts,~/.config/github-copilot/, IntelliJ) are unchanged.scripts/check-copilot-instructions-sync.shto substitute the placeholder before normalization so the.github/copilot-instructions.mdmirror check continues to pass.home-manager/config/copilot/README.mdto document the new source path and the manual-setup substitution step.copilot-defaults.instructions.mdandCLAUDE.mdfiles.render { ... }call inagent-instructions.nix.Test plan
statix,deadnix,check:copilot-instructionssync check)task upgradecompletes successfully and deploys both~/Library/Application Support/Code/User/prompts/copilot-defaults.instructions.mdand~/.claude/CLAUDE.mdwith correct content (no literal@@AGENT@@present, correct cache dir in each)scripts/check-copilot-instructions-sync.shexits 0🤖 Generated with Claude Code