Quadrillion task_dag_mutations API

openapi: 3.1.0
info:
  title: Quadrillion Cloud account task_dag_mutations API
  description: Public cloud API service for cloud-safe backend endpoints
  version: 0.1.0
tags:
- name: task_dag_mutations
paths:
  /api/projects:
    post:
      tags:
      - task_dag_mutations
      summary: Create Project Endpoint
      operationId: create_project_endpoint_api_projects_post
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateProjectRequest'
        required: true
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProjectResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /api/projects/{project_id}:
    delete:
      tags:
      - task_dag_mutations
      summary: Delete Project Endpoint
      description: Delete a project and all agents (chat sessions) within it for the current user.
      operationId: delete_project_endpoint_api_projects__project_id__delete
      parameters:
      - name: project_id
        in: path
        required: true
        schema:
          type: string
          title: Project Id
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                type: object
                additionalProperties: true
                title: Response Delete Project Endpoint Api Projects  Project Id  Delete
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
    patch:
      tags:
      - task_dag_mutations
      summary: Update Project Title Endpoint
      operationId: update_project_title_endpoint_api_projects__project_id__patch
      parameters:
      - name: project_id
        in: path
        required: true
        schema:
          type: string
          title: Project Id
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdateProjectTitleRequest'
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProjectResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /api/projects/{project_id}/tasks/{task_id}/reassign:
    post:
      tags:
      - task_dag_mutations
      summary: Reassign Task Endpoint
      operationId: reassign_task_endpoint_api_projects__project_id__tasks__task_id__reassign_post
      parameters:
      - name: project_id
        in: path
        required: true
        schema:
          type: string
          title: Project Id
      - name: task_id
        in: path
        required: true
        schema:
          type: string
          title: Task Id
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ReassignTaskRequest'
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  type: boolean
                title: Response Reassign Task Endpoint Api Projects  Project Id  Tasks  Task Id  Reassign Post
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /api/projects/{project_id}/tasks/{task_id}:
    patch:
      tags:
      - task_dag_mutations
      summary: Update Task Endpoint
      operationId: update_task_endpoint_api_projects__project_id__tasks__task_id__patch
      parameters:
      - name: project_id
        in: path
        required: true
        schema:
          type: string
          title: Project Id
      - name: task_id
        in: path
        required: true
        schema:
          type: string
          title: Task Id
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdateTaskRequest'
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  $ref: '#/components/schemas/JsonObject'
                title: Response Update Task Endpoint Api Projects  Project Id  Tasks  Task Id  Patch
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
    delete:
      tags:
      - task_dag_mutations
      summary: Delete Task Endpoint
      operationId: delete_task_endpoint_api_projects__project_id__tasks__task_id__delete
      parameters:
      - name: project_id
        in: path
        required: true
        schema:
          type: string
          title: Project Id
      - name: task_id
        in: path
        required: true
        schema:
          type: string
          title: Task Id
      - name: chat_session_id
        in: query
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          description: Chat session ID of the caller (must be assignee or creator)
          title: Chat Session Id
        description: Chat session ID of the caller (must be assignee or creator)
      requestBody:
        content:
          application/json:
            schema:
              anyOf:
              - $ref: '#/components/schemas/DeleteTaskRequest'
              - type: 'null'
              title: Request
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  $ref: '#/components/schemas/JsonObject'
                title: Response Delete Task Endpoint Api Projects  Project Id  Tasks  Task Id  Delete
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /api/task_variables/serialize_and_submit:
    post:
      tags:
      - task_dag_mutations
      summary: Serialize And Submit Task Variables Endpoint
      description: 'Persist variable values captured by the kernel after cell execution.


        Internal-principal only: the value must originate from the kernel runtime, never

        an agent/session (see ``quadrillion.services.VARIABLE_EVIDENCE_INVARIANT``).'
      operationId: serialize_and_submit_task_variables_endpoint_api_task_variables_serialize_and_submit_post
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SerializeAndSubmitRequest'
        required: true
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SerializeAndSubmitResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /api/kernel/post_run:
    post:
      tags:
      - task_dag_mutations
      summary: Kernel Post Run Endpoint
      description: 'Accept a full post-run snapshot: evidence values + namespace inventory.


        DEPRECATED: only legacy injected ``Q_VARS`` clients post here (qualia

        uses ``/serialize_and_submit`` + the inventory Comm). Remove with the

        local handler and ``KernelPostRunRequest`` once the

        ``kernel_post_run.start`` log goes quiet; the drain window is bounded

        by app-update uptake, not kernel churn.


        Internal-principal only: evidence values must originate from the

        kernel runtime (see ``VARIABLE_EVIDENCE_INVARIANT``).'
      operationId: kernel_post_run_endpoint_api_kernel_post_run_post
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/KernelPostRunRequest'
        required: true
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SerializeAndSubmitResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      deprecated: true
components:
  schemas:
    UpdateProjectTitleRequest:
      properties:
        title:
          type: string
          title: Title
          description: New project title
        chat_session_id:
          anyOf:
          - type: string
          - type: 'null'
          title: Chat Session Id
          description: Optional; used to route task_dag_updated for project selector refresh
      type: object
      required:
      - title
      title: UpdateProjectTitleRequest
    UpdateTaskRequest:
      properties:
        chat_session_id:
          type: string
          title: Chat Session Id
          description: Chat session ID of the caller (must be assignee or creator)
        new_status:
          anyOf:
          - type: string
          - type: 'null'
          title: New Status
          description: 'New status: in_progress, completed, failed, or cancelled. Omit to update fields only.'
        new_title:
          anyOf:
          - type: string
          - type: 'null'
          title: New Title
          description: Update the task title (planned tasks only)
        new_objective:
          anyOf:
          - type: string
          - type: 'null'
          title: New Objective
          description: Update the task objective (planned tasks only)
        notes:
          anyOf:
          - type: string
          - type: 'null'
          title: Notes
          description: Append a note to the task
        add_blocked_by:
          anyOf:
          - items:
              type: string
            type: array
          - type: 'null'
          title: Add Blocked By
          description: Add upstream dependencies (task IDs)
        remove_blocked_by:
          anyOf:
          - items:
              type: string
            type: array
          - type: 'null'
          title: Remove Blocked By
          description: Remove upstream dependencies (planned tasks only)
        add_blocking:
          anyOf:
          - items:
              type: string
            type: array
          - type: 'null'
          title: Add Blocking
          description: Add downstream dependencies (task IDs)
        remove_blocking:
          anyOf:
          - items:
              type: string
            type: array
          - type: 'null'
          title: Remove Blocking
          description: Remove downstream dependencies (planned tasks only)
        add_required_variables:
          anyOf:
          - items:
              $ref: '#/components/schemas/AddRequiredVariableRequest'
            type: array
          - type: 'null'
          title: Add Required Variables
          description: Add required variables (planned tasks only)
        remove_required_variables:
          anyOf:
          - items:
              type: string
            type: array
          - type: 'null'
          title: Remove Required Variables
          description: Remove required variables by name (planned tasks only)
        remove_starter_cells:
          anyOf:
          - items:
              type: string
            type: array
          - type: 'null'
          title: Remove Starter Cells
          description: Remove starter cells by cell ID (planned tasks only)
      type: object
      required:
      - chat_session_id
      title: UpdateTaskRequest
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
            - type: string
            - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
      type: object
      required:
      - loc
      - msg
      - type
      title: ValidationError
    SerializeAndSubmitRequest:
      properties:
        notebook_id:
          type: string
          title: Notebook Id
        variables:
          additionalProperties: true
          type: object
          title: Variables
        cell_id:
          anyOf:
          - type: string
          - type: 'null'
          title: Cell Id
      type: object
      required:
      - notebook_id
      - variables
      title: SerializeAndSubmitRequest
      description: 'Raw values pushed from a kernel post-run hook.


        Clients send the JSON-decoded value as-is; the server is the source

        of truth for type classification (see

        ``quadrillion.services.value_classifier``). This keeps Python, R,

        and Julia Q_VARS clients in lockstep regardless of how each language

        natively represents numeric literals.'
    CreateProjectRequest:
      properties:
        title:
          anyOf:
          - type: string
          - type: 'null'
          title: Title
          description: Optional project title
      type: object
      title: CreateProjectRequest
    SerializeAndSubmitResponse:
      properties:
        accepted:
          items:
            type: string
          type: array
          title: Accepted
        rejected:
          additionalProperties:
            type: string
          type: object
          title: Rejected
        tracked:
          items:
            $ref: '#/components/schemas/TrackedVariable'
          type: array
          title: Tracked
      type: object
      title: SerializeAndSubmitResponse
    ReassignTaskRequest:
      properties:
        session_id:
          type: string
          title: Session Id
          description: Chat session ID of the agent to assign to
        chat_session_id:
          anyOf:
          - type: string
          - type: 'null'
          title: Chat Session Id
          description: Optional. Caller's active chat session; used to route task_dag_updated to the client performing the drag.
      type: object
      required:
      - session_id
      title: ReassignTaskRequest
    KernelPostRunRequest:
      properties:
        notebook_id:
          type: string
          title: Notebook Id
        variables:
          additionalProperties: true
          type: object
          title: Variables
        namespace:
          items:
            additionalProperties: true
            type: object
          type: array
          title: Namespace
        cell_id:
          anyOf:
          - type: string
          - type: 'null'
          title: Cell Id
      type: object
      required:
      - notebook_id
      title: KernelPostRunRequest
      description: 'Full post-run snapshot pushed from a kernel: evidence values plus the

        namespace inventory rendered for the frontend variables panel.


        Mirrors ``handlers.task_dag.KernelPostRunRequest`` so the local and cloud

        ``/api/kernel/post_run`` adapters accept an identical JSON shape.'
    TrackedVariable:
      properties:
        name:
          type: string
          title: Name
        expected_type:
          anyOf:
          - type: string
          - type: 'null'
          title: Expected Type
        task_id:
          type: string
          title: Task Id
      type: object
      required:
      - name
      - expected_type
      - task_id
      title: TrackedVariable
    ProjectResponse:
      properties:
        project_id:
          type: string
          title: Project Id
        title:
          anyOf:
          - type: string
          - type: 'null'
          title: Title
        stub_title:
          anyOf:
          - type: string
          - type: 'null'
          title: Stub Title
        settings:
          additionalProperties: true
          type: object
          title: Settings
        created_at:
          type: string
          title: Created At
        updated_at:
          type: string
          title: Updated At
      type: object
      required:
      - project_id
      - title
      - created_at
      - updated_at
      title: ProjectResponse
    DeleteTaskRequest:
      properties:
        chat_session_id:
          type: string
          title: Chat Session Id
          description: Chat session ID of the caller (must be assignee or creator)
      type: object
      required:
      - chat_session_id
      title: DeleteTaskRequest
    AddRequiredVariableRequest:
      properties:
        name:
          type: string
          title: Name
          description: Variable name
        type:
          type: string
          title: Type
          description: 'Expected type: float, int, str, bool, list[float], list[int], list[str], or any'
          default: any
        description:
          anyOf:
          - type: string
          - type: 'null'
          title: Description
          description: Optional human-readable description of the variable
      type: object
      required:
      - name
      title: AddRequiredVariableRequest
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    JsonObject:
      additionalProperties:
        $ref: '#/components/schemas/JsonValue'
      type: object
    JsonValue: {}