{
  "paths": {
    "/projects": {
      "get": {
        "tags": ["Projects"],
        "summary": "List projects",
        "description": "Returns the authenticated user's projects (owned and shared). Requires `tasks:read` scope.",
        "operationId": "listProjects",
        "parameters": [
          { "name": "limit", "in": "query", "schema": { "type": "integer", "minimum": 1, "maximum": 200, "default": 50 } },
          { "name": "cursor", "in": "query", "schema": { "type": "string" }, "description": "Pagination cursor" }
        ],
        "responses": {
          "200": {
            "description": "List of projects",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": ["items", "page"],
                  "properties": {
                    "items": { "type": "array", "items": { "$ref": "#/components/schemas/Project" } },
                    "page": { "$ref": "#/components/schemas/PageInfo" }
                  }
                }
              }
            }
          },
          "401": { "description": "Not authenticated", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "403": { "description": "Insufficient scope", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } }
        }
      },
      "post": {
        "tags": ["Projects"],
        "summary": "Create a project",
        "description": "Creates a new project for the authenticated user. Requires `tasks:write` scope.",
        "operationId": "createProject",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": ["name"],
                "properties": {
                  "name": { "type": "string", "minLength": 1, "maxLength": 100 },
                  "color": { "type": "string", "pattern": "^#[0-9A-Fa-f]{6}$", "example": "#3B82F6" },
                  "deadline": { "type": "string", "format": "date-time" },
                  "sort_order": { "type": "integer" }
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Project created",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": ["project"],
                  "properties": {
                    "project": { "$ref": "#/components/schemas/Project" }
                  }
                }
              }
            }
          },
          "400": { "description": "Validation error", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "401": { "description": "Not authenticated", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "403": { "description": "Insufficient scope", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } }
        }
      }
    },
    "/projects/{id}": {
      "get": {
        "tags": ["Projects"],
        "summary": "Get a project",
        "description": "Returns a single project by ID. User must be owner or member. Requires `tasks:read` scope.",
        "operationId": "getProject",
        "parameters": [
          { "name": "id", "in": "path", "required": true, "schema": { "type": "string", "format": "uuid" } }
        ],
        "responses": {
          "200": {
            "description": "Project details",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": ["project"],
                  "properties": {
                    "project": { "$ref": "#/components/schemas/Project" }
                  }
                }
              }
            }
          },
          "401": { "description": "Not authenticated", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "403": { "description": "Insufficient scope", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "404": { "description": "Project not found", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } }
        }
      },
      "put": {
        "tags": ["Projects"],
        "summary": "Update a project",
        "description": "Updates a project. Requires `tasks:write` scope and owner/editor role.",
        "operationId": "updateProject",
        "parameters": [
          { "name": "id", "in": "path", "required": true, "schema": { "type": "string", "format": "uuid" } }
        ],
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "name": { "type": "string", "minLength": 1, "maxLength": 100 },
                  "color": { "type": "string", "pattern": "^#[0-9A-Fa-f]{6}$" },
                  "deadline": { "type": "string", "format": "date-time", "nullable": true },
                  "sort_order": { "type": "integer" }
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Project updated",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": ["project"],
                  "properties": {
                    "project": { "$ref": "#/components/schemas/Project" }
                  }
                }
              }
            }
          },
          "400": { "description": "Validation error", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "401": { "description": "Not authenticated", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "403": { "description": "Insufficient scope", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "404": { "description": "Project not found", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } }
        }
      },
      "delete": {
        "tags": ["Projects"],
        "summary": "Delete a project",
        "description": "Deletes a project. Requires `tasks:write` scope and owner role.",
        "operationId": "deleteProject",
        "parameters": [
          { "name": "id", "in": "path", "required": true, "schema": { "type": "string", "format": "uuid" } }
        ],
        "responses": {
          "200": { "description": "Project deleted", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/OkResponse" } } } },
          "401": { "description": "Not authenticated", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "403": { "description": "Insufficient scope", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "404": { "description": "Project not found", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } }
        }
      }
    },
    "/projects/{id}/share": {
      "post": {
        "tags": ["Projects"],
        "summary": "Share project",
        "description": "Shares a project with a user by email. Requires `tasks:write` scope and owner/editor role.",
        "operationId": "shareProject",
        "parameters": [
          { "name": "id", "in": "path", "required": true, "schema": { "type": "string", "format": "uuid" } }
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": ["email", "role"],
                "properties": {
                  "email": { "type": "string", "format": "email" },
                  "role": { "type": "string", "enum": ["editor", "viewer"] }
                }
              }
            }
          }
        },
        "responses": {
          "200": { "description": "Project shared", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/OkResponse" } } } },
          "400": { "description": "Validation error", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "401": { "description": "Not authenticated", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "403": { "description": "Insufficient scope", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "404": { "description": "Project not found", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } }
        }
      }
    },
    "/projects/{id}/members": {
      "get": {
        "tags": ["Projects"],
        "summary": "List project members",
        "description": "Returns members of a project. Requires `tasks:read` scope.",
        "operationId": "listProjectMembers",
        "parameters": [
          { "name": "id", "in": "path", "required": true, "schema": { "type": "string", "format": "uuid" } }
        ],
        "responses": {
          "200": {
            "description": "List of project members",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": ["items"],
                  "properties": {
                    "items": { "type": "array", "items": { "$ref": "#/components/schemas/ProjectMember" } }
                  }
                }
              }
            }
          },
          "401": { "description": "Not authenticated", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "403": { "description": "Insufficient scope", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "404": { "description": "Project not found", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } }
        }
      }
    }
  }
}