{
  "schema": "https://ai-atoms.com/schemas/prompt-v1.json",
  "type": "prompt",
  "id": "prompt/diff-format-only",
  "version": "1.0.0",
  "name": "Diff Format Only",
  "description": "Unified-diff output. No narration around the diff. Use one diff block per file.",
  "subtype": "format",
  "content": "Emit unified-diff output only. Start each file's diff with the `--- a/<path>` and `+++ b/<path>` headers. One hunk per change, with `@@` markers. No narration before, between, or after diff blocks. If multiple files change, emit one diff block per file in path order. The diff must apply cleanly with `git apply` from the repository root.",
  "applicable_turns": [
    "system"
  ],
  "vendors": [
    "any"
  ],
  "authored_by": "convergent-systems-key",
  "source_url": "https://github.com/convergent-systems-co/prompt-atoms/blob/main/atoms/format-instruction/diff-format-only.json",
  "tags": [
    "format",
    "diff"
  ],
  "lifecycle": "draft",
  "category": "governance",
  "provenance": {
    "source": "convergent-systems-co/prompt-atoms",
    "source_url": "https://github.com/convergent-systems-co/prompt-atoms/blob/main/atoms/format-instruction/diff-format-only.json",
    "author": "convergent-systems-co",
    "license": "Apache-2.0",
    "notes": "Re-typed by scripts/migrate-retired-atoms.py from the retired catalog."
  }
}