{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://nova.cloudinit.dev/schemas/modules-lifecycle-pipeline.schema.json",
  "title": "Nova Modules Lifecycle Pipeline Contract",
  "description": "Declarative contract for the modules-lifecycle pipeline. Matrix-runs each L1 module's examples/{simple,complex}.yml contracts through apply→modify→destroy against live AWS. GitHub Actions (.github/workflows/modules-lifecycle.yml) implements this contract byte-identically.",
  "type": "object",
  "required": ["name", "triggers", "runner", "python_version", "terraform_version", "stages", "matrix"],
  "properties": {
    "name": {
      "type": "string",
      "description": "Pipeline name (matches the workflow 'name:' field)."
    },
    "triggers": {
      "type": "object",
      "required": ["pull_request", "workflow_dispatch"],
      "properties": {
        "pull_request": {
          "type": "array",
          "items": {"type": "string"},
          "description": "Branches that trigger the pipeline on PR."
        },
        "workflow_dispatch": {
          "description": "Manual dispatch — either an empty array (no params) or an object with an 'inputs' array of {name, description, default} objects (REQ-134).",
          "oneOf": [
            {"type": "array", "items": {"type": "string"}},
            {"type": "object",
             "properties": {
               "inputs": {
                 "type": "array",
                 "items": {
                   "type": "object",
                   "required": ["name"],
                   "properties": {
                     "name": {"type": "string"},
                     "description": {"type": "string"},
                     "default": {"type": "string"}
                   }
                 }
               }
             }
            }
          ]
        }
      }
    },
    "runner": {
      "type": "string",
      "description": "Runner image (e.g. 'ubuntu-latest')."
    },
    "python_version": {
      "type": "string",
      "description": "Python version for setup-python action."
    },
    "terraform_version": {
      "type": "string",
      "description": "Terraform version constraint (e.g. '1.9.*')."
    },
    "default_mode": {
      "type": "string",
      "enum": ["plan", "full"],
      "description": "Default lifecycle mode (REQ-134, v1.12): 'plan' = plan-only (fast, no AWS mutation, no credentials, no cost); 'full' = real apply→modify→destroy against live AWS. Overridable via the ACDL_LIFECYCLE_MODE CI variable / workflow_dispatch input."
    },
    "stages": {
      "type": "array",
      "minItems": 1,
      "items": {"$ref": "#/$defs/stage"}
    },
    "matrix": {
      "type": "object",
      "required": ["modules"],
      "properties": {
        "modules": {
          "type": "array",
          "items": {"type": "string"},
          "description": "L1 module names to test."
        },
        "vpc_dependent": {
          "type": "array",
          "items": {"type": "string"},
          "description": "Modules that require the platform VPC prerequisite."
        },
        "independent": {
          "type": "array",
          "items": {"type": "string"},
          "description": "Modules that run without the platform VPC."
        },
        "l2_modules": {
          "type": "array",
          "items": {"type": "string"},
          "description": "L2 composition module names to test."
        }
      }
    }
  },
  "$defs": {
    "stage": {
      "type": "object",
      "required": ["name", "command", "required"],
      "properties": {
        "name": {
          "type": "string",
          "description": "Stage name (maps to the workflow job/step name)."
        },
        "command": {
          "type": "string",
          "description": "The shell command to run for this stage."
        },
        "required": {
          "type": "boolean",
          "description": "If true, a non-zero exit code fails the pipeline."
        },
        "description": {
          "type": "string",
          "description": "Optional: human-readable description of what this stage does."
        }
      }
    }
  }
}