{
  "openapi": "3.0.3",
  "info": {
    "title": "Cherry Studio Catalog API",
    "description": "REST API for managing AI models and providers catalog",
    "version": "1.0.0",
    "contact": {
      "name": "Cherry Studio Team"
    }
  },
  "servers": [
    {
      "url": "http://localhost:3000/api",
      "description": "Development server"
    }
  ],
  "paths": {
    "/catalog/models": {
      "get": {
        "summary": "List models with pagination and filtering",
        "parameters": [
          {
            "name": "page",
            "in": "query",
            "schema": {
              "type": "integer",
              "minimum": 1,
              "default": 1
            }
          },
          {
            "name": "limit",
            "in": "query",
            "schema": {
              "type": "integer",
              "minimum": 1,
              "maximum": 100,
              "default": 20
            }
          },
          {
            "name": "search",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "capabilities",
            "in": "query",
            "schema": {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          },
          {
            "name": "providers",
            "in": "query",
            "schema": {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Paginated list of models",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/PaginatedModels"
                }
              }
            }
          }
        }
      },
      "put": {
        "summary": "Update models configuration",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/ModelsConfig"
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Models updated successfully"
          }
        }
      }
    },
    "/catalog/models/{modelId}": {
      "get": {
        "summary": "Get specific model details",
        "parameters": [
          {
            "name": "modelId",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Model details",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Model"
                }
              }
            }
          }
        }
      },
      "put": {
        "summary": "Update specific model",
        "parameters": [
          {
            "name": "modelId",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/Model"
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Model updated successfully"
          }
        }
      }
    },
    "/catalog/providers": {
      "get": {
        "summary": "List providers with pagination and filtering",
        "parameters": [
          {
            "name": "page",
            "in": "query",
            "schema": {
              "type": "integer",
              "minimum": 1,
              "default": 1
            }
          },
          {
            "name": "limit",
            "in": "query",
            "schema": {
              "type": "integer",
              "minimum": 1,
              "maximum": 100,
              "default": 20
            }
          },
          {
            "name": "search",
            "in": "query",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "authentication",
            "in": "query",
            "schema": {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Paginated list of providers",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/PaginatedProviders"
                }
              }
            }
          }
        }
      },
      "put": {
        "summary": "Update providers configuration",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/ProvidersConfig"
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Providers updated successfully"
          }
        }
      }
    },
    "/catalog/providers/{providerId}": {
      "get": {
        "summary": "Get specific provider details",
        "parameters": [
          {
            "name": "providerId",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Provider details",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Provider"
                }
              }
            }
          }
        }
      }
    },
    "/catalog/models/{modelId}/overrides": {
      "get": {
        "summary": "Get provider-specific overrides for a model",
        "parameters": [
          {
            "name": "modelId",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Provider overrides for the model",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "additionalProperties": {
                    "$ref": "#/components/schemas/Model"
                  }
                }
              }
            }
          }
        }
      }
    },
    "/catalog/models/{modelId}/providers/{providerId}": {
      "get": {
        "summary": "Get model configuration as seen by specific provider",
        "parameters": [
          {
            "name": "modelId",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "providerId",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Model configuration with provider-specific overrides applied",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Model"
                }
              }
            }
          }
        }
      },
      "put": {
        "summary": "Update model configuration for specific provider (auto-detects if override is needed)",
        "parameters": [
          {
            "name": "modelId",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "providerId",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/Model"
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Model configuration updated (override created/updated if needed)",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "updated": {
                      "type": "string",
                      "enum": ["base_model", "override", "both"]
                    },
                    "model": {
                      "$ref": "#/components/schemas/Model"
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "/catalog/stats": {
      "get": {
        "summary": "Get catalog statistics",
        "responses": {
          "200": {
            "description": "Catalog statistics",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/CatalogStats"
                }
              }
            }
          }
        }
      }
    },
    "/catalog/validate": {
      "post": {
        "summary": "Validate catalog configuration",
        "responses": {
          "200": {
            "description": "Validation results",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ValidationResult"
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "Model": {
        "type": "object",
        "properties": {
          "id": { "type": "string" },
          "name": { "type": "string" },
          "owned_by": { "type": "string" },
          "capabilities": {
            "type": "array",
            "items": { "type": "string" }
          },
          "input_modalities": {
            "type": "array",
            "items": { "type": "string" }
          },
          "output_modalities": {
            "type": "array",
            "items": { "type": "string" }
          },
          "context_window": { "type": "integer" },
          "max_output_tokens": { "type": "integer" },
          "max_input_tokens": { "type": "integer" },
          "pricing": {
            "$ref": "#/components/schemas/Pricing"
          },
          "parameters": {
            "$ref": "#/components/schemas/Parameters"
          },
          "endpoint_types": {
            "type": "array",
            "items": { "type": "string" }
          },
          "metadata": { "type": "object" }
        }
      },
      "Provider": {
        "type": "object",
        "properties": {
          "id": { "type": "string" },
          "name": { "type": "string" },
          "description": { "type": "string" },
          "authentication": { "type": "string" },
          "pricing_model": { "type": "string" },
          "model_routing": { "type": "string" },
          "behaviors": { "type": "object" },
          "supported_endpoints": {
            "type": "array",
            "items": { "type": "string" }
          },
          "api_compatibility": { "type": "object" },
          "special_config": { "type": "object" },
          "documentation": { "type": "string" },
          "website": { "type": "string" },
          "deprecated": { "type": "boolean" },
          "maintenance_mode": { "type": "boolean" },
          "config_version": { "type": "string" },
          "metadata": { "type": "object" }
        }
      },
      "Override": {
        "type": "object",
        "properties": {
          "provider_id": { "type": "string" },
          "model_id": { "type": "string" },
          "disabled": { "type": "boolean" },
          "reason": { "type": "string" },
          "last_updated": { "type": "string" },
          "updated_by": { "type": "string" },
          "priority": { "type": "integer" },
          "limits": {
            "type": "object",
            "properties": {
              "context_window": { "type": "integer" },
              "max_output_tokens": { "type": "integer" }
            }
          },
          "pricing": {
            "$ref": "#/components/schemas/Pricing"
          }
        }
      },
      "Pricing": {
        "type": "object",
        "properties": {
          "input": {
            "type": "object",
            "properties": {
              "per_million_tokens": { "type": "number" },
              "currency": { "type": "string" }
            }
          },
          "output": {
            "type": "object",
            "properties": {
              "per_million_tokens": { "type": "number" },
              "currency": { "type": "string" }
            }
          }
        }
      },
      "Parameters": {
        "type": "object",
        "additionalProperties": true
      },
      "PaginatedModels": {
        "type": "object",
        "properties": {
          "data": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/Model"
            }
          },
          "pagination": {
            "$ref": "#/components/schemas/Pagination"
          }
        }
      },
      "PaginatedProviders": {
        "type": "object",
        "properties": {
          "data": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/Provider"
            }
          },
          "pagination": {
            "$ref": "#/components/schemas/Pagination"
          }
        }
      },
      "PaginatedOverrides": {
        "type": "object",
        "properties": {
          "data": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/Override"
            }
          },
          "pagination": {
            "$ref": "#/components/schemas/Pagination"
          }
        }
      },
      "Pagination": {
        "type": "object",
        "properties": {
          "page": { "type": "integer" },
          "limit": { "type": "integer" },
          "total": { "type": "integer" },
          "totalPages": { "type": "integer" }
        }
      },
      "ModelsConfig": {
        "type": "object",
        "properties": {
          "version": { "type": "string" },
          "models": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/Model"
            }
          }
        }
      },
      "ProvidersConfig": {
        "type": "object",
        "properties": {
          "version": { "type": "string" },
          "providers": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/Provider"
            }
          }
        }
      },
      "OverridesConfig": {
        "type": "object",
        "properties": {
          "version": { "type": "string" },
          "overrides": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/Override"
            }
          }
        }
      },
      "CatalogStats": {
        "type": "object",
        "properties": {
          "total_models": { "type": "integer" },
          "total_providers": { "type": "integer" },
          "total_overrides": { "type": "integer" },
          "models_by_provider": { "type": "object" },
          "overrides_by_provider": { "type": "object" },
          "last_updated": { "type": "string" }
        }
      },
      "ValidationResult": {
        "type": "object",
        "properties": {
          "valid": { "type": "boolean" },
          "errors": {
            "type": "array",
            "items": { "type": "string" }
          },
          "warnings": {
            "type": "array",
            "items": { "type": "string" }
          }
        }
      }
    }
  }
}