{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://docs.unoplat.io/schemas/custom-framework-lib-schema-v3.json",
  "title": "Unoplat Code Confluence Multi-Language Framework/Library Schema v3",
  "description": "Framework / library feature signatures grouped by programming language.",
  "type": "object",
  "propertyNames": {
    "$ref": "#/$defs/languageEnum"
  },
  "patternProperties": {
    "^[a-z]+$": {
      "$ref": "#/$defs/languageBlock"
    }
  },
  "additionalProperties": false,
  "$defs": {
    "languageEnum": {
      "type": "string",
      "description": "Allowed lower-case language identifiers.",
      "enum": [
        "python",
        "javascript",
        "typescript",
        "java",
        "go"
      ]
    },
    "languageBlock": {
      "type": "object",
      "description": "All libraries / frameworks implemented in a single language.",
      "patternProperties": {
        "^.+$": {
          "$ref": "#/$defs/libraryDef"
        }
      },
      "additionalProperties": false
    },
    "libraryDef": {
      "type": "object",
      "required": [
        "docs_url",
        "features"
      ],
      "properties": {
        "docs_url": {
          "type": "string",
          "format": "uri",
          "description": "Canonical documentation URL."
        },
        "version": {
          "type": "string",
          "description": "Library version used to verify patterns (optional)."
        },
        "features": {
          "type": "object",
          "minProperties": 1,
          "description": "Discoverable features keyed by contributor-chosen identifier.",
          "patternProperties": {
            "^.+$": {
              "$ref": "#/$defs/featureDef"
            }
          },
          "additionalProperties": false
        }
      },
      "additionalProperties": false
    },
    "featureDef": {
      "type": "object",
      "required": [
        "description",
        "absolute_paths",
        "target_level",
        "concept"
      ],
      "properties": {
        "description": {
          "type": "string",
          "description": "Human-readable explanation of the feature."
        },
        "docs_url": {
          "type": "string",
          "format": "uri",
          "description": "Feature-specific documentation URL (optional)."
        },
        "absolute_paths": {
          "type": "array",
          "minItems": 1,
          "uniqueItems": true,
          "description": "Fully-qualified symbols identifying the constructor / base class / annotation provider.",
          "items": {
            "type": "string",
            "pattern": "^[A-Za-z_][\\w]*(\\.[A-Za-z_][\\w]*)+$"
          }
        },
        "target_level": {
          "$ref": "#/$defs/targetLevelEnum"
        },
        "concept": {
          "$ref": "#/$defs/conceptEnum"
        },
        "construct_query": {
          "$ref": "#/$defs/constructQueryDef"
        },
        "startpoint": {
          "type": "boolean",
          "description": "Indicates whether this feature represents a starting point or entry point in the application, such as API endpoints (e.g., FastAPI routes) or message consumers (e.g., Kafka listeners).",
          "default": false
        },
        "notes": {
          "type": "string",
          "description": "Contributor notes, caveats, links."
        }
      },
      "additionalProperties": false,
      "allOf": [
        {
          "if": {
            "properties": {
              "concept": {
                "const": "CallExpression"
              }
            }
          },
          "then": {
            "properties": {
              "target_level": {
                "const": "function"
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "concept": {
                "const": "Inheritance"
              }
            }
          },
          "then": {
            "properties": {
              "target_level": {
                "const": "class"
              }
            }
          }
        }
      ]
    },
    "targetLevelEnum": {
      "type": "string",
      "enum": [
        "function",
        "class"
      ],
      "description": "Granularity of the code element that owns the feature."
    },
    "conceptEnum": {
      "type": "string",
      "enum": [
        "AnnotationLike",
        "CallExpression",
        "Inheritance"
      ],
      "description": "Language-agnostic construct category."
    },
    "constructQueryDef": {
      "type": "object",
      "description": "Optional refinements to the auto-generated Tree-sitter query. Allowed keys depend on the feature's concept.",
      "properties": {
        "method_regex": {
          "type": "string"
        },
        "annotation_name_regex": {
          "type": "string"
        },
        "attribute_regex": {
          "type": "string"
        },
        "callee_regex": {
          "type": "string"
        },
        "superclass_regex": {
          "type": "string"
        }
      },
      "additionalProperties": false
    }
  }
}