{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "josh-sync configuration",
  "description": "Configuration for bidirectional monorepo ↔ subrepo sync via josh-proxy",
  "type": "object",
  "required": ["josh", "targets", "bot"],
  "properties": {
    "josh": {
      "type": "object",
      "required": ["proxy_url", "monorepo_path"],
      "properties": {
        "proxy_url": {
          "type": "string",
          "description": "Josh-proxy URL (no trailing slash)",
          "pattern": "^https?://"
        },
        "monorepo_path": {
          "type": "string",
          "description": "Repo path as josh sees it (org/repo)"
        }
      }
    },
    "targets": {
      "type": "array",
      "minItems": 1,
      "items": {
        "type": "object",
        "required": ["name", "subfolder", "subrepo_url", "branches"],
        "properties": {
          "name": {
            "type": "string",
            "description": "Unique target identifier"
          },
          "subfolder": {
            "type": "string",
            "description": "Monorepo subfolder path"
          },
          "josh_filter": {
            "type": "string",
            "description": "Josh filter expression (auto-derived from subfolder if omitted)",
            "pattern": "^:"
          },
          "subrepo_url": {
            "type": "string",
            "description": "External subrepo git URL (HTTPS or SSH)"
          },
          "subrepo_auth": {
            "type": "string",
            "enum": ["https", "ssh"],
            "default": "https",
            "description": "Auth method for subrepo"
          },
          "subrepo_token_var": {
            "type": "string",
            "description": "Env var name for per-target HTTPS token (default: SUBREPO_TOKEN)"
          },
          "subrepo_ssh_key_var": {
            "type": "string",
            "description": "Env var name for per-target SSH key (default: SUBREPO_SSH_KEY)"
          },
          "branches": {
            "type": "object",
            "description": "Branch mapping: mono_branch → subrepo_branch",
            "additionalProperties": {
              "type": "string"
            }
          },
          "forward_only": {
            "type": "array",
            "items": { "type": "string" },
            "default": [],
            "description": "Branches that only sync mono → subrepo (never reverse)"
          }
        }
      }
    },
    "bot": {
      "type": "object",
      "required": ["name", "email", "trailer"],
      "properties": {
        "name": {
          "type": "string",
          "description": "Git commit author name for sync commits"
        },
        "email": {
          "type": "string",
          "description": "Git commit author email"
        },
        "trailer": {
          "type": "string",
          "description": "Git trailer key for loop prevention"
        }
      }
    }
  }
}