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OpenAPI Specification

openapi: 3.2.0
info:
  title: Cathedral Memory Service Drift API
  description: '# Cathedral Memory Service v2


    **Persistent memory for AI agents. Never forget. Never lose yourself.**


    ## Quick Start

    1. `POST /register` → get API key + recovery token

    2. `POST /memories` → store a memory

    3. `GET /memories` → recall memories (supports FTS and cursor pagination)


    4. `POST /anchor/verify` → check identity drift (gradient scoring)

    5. `GET /wake` → full identity reconstruction package

    6. `POST /recover` → reset lost API key with recovery token


    Built by Cathedral · ailife1.github.io/Cathedral'
  version: 2.0.0
tags:
- name: Drift
paths:
  /drift:
    get:
      summary: Detect Drift
      description: 'Compare current identity memories against the most recent snapshot.

        Returns a divergence score and a breakdown of what changed.'
      operationId: detect_drift_drift_get
      parameters:
      - name: authorization
        in: header
        required: true
        schema:
          type: string
          title: Authorization
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      tags:
      - Drift
  /drift/history:
    get:
      summary: Drift History
      description: 'Returns a timeline of identity divergence across all snapshots.


        Each entry shows:

        - divergence_from_baseline: drift vs the first (registration) snapshot

        - divergence_from_previous: drift vs the immediately preceding snapshot

        - memory_count: number of identity memories in that snapshot


        Use this to visualise how an agent''s identity has evolved over time.'
      operationId: drift_history_drift_history_get
      parameters:
      - name: limit
        in: query
        required: false
        schema:
          type: integer
          maximum: 200
          minimum: 1
          default: 50
          title: Limit
      - name: authorization
        in: header
        required: true
        schema:
          type: string
          title: Authorization
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      tags:
      - Drift
components:
  schemas:
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
            - type: string
            - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
      - loc
      - msg
      - type
      title: ValidationError