{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "implementation-planner/phase",
  "title": "Phase README",
  "description": "Validates the structure of a phase README.md inside .context/plans/plan-<slug>/phases/phase-NN-<slug>/README.md.",
  "type": "object",
  "required": ["content"],
  "properties": {
    "content": {
      "type": "string",
      "description": "Full text content of the phase README.md file.",
      "allOf": [
        {
          "description": "Must have a top-level H1 matching '# Phase NN — <title>' (zero-padded number)",
          "pattern": "(?m)^# Phase \\d{2} — .+"
        },
        {
          "description": "Must have a '## Goal' section",
          "pattern": "(?m)^## Goal"
        },
        {
          "description": "Must have a '## Gate' section",
          "pattern": "(?m)^## Gate"
        },
        {
          "description": "Gate section must contain at least one checklist item '- [ ]'",
          "pattern": "(?m)^- \\[ \\]"
        },
        {
          "description": "Must have a '## Tasks' section",
          "pattern": "(?m)^## Tasks"
        }
      ]
    }
  }
}