Task: build a API for monitoring the status of services in Python using FastAPI.

API specification:

openapi: 3.0.3
info:
  title: Service Monitoring API
  version: 1.0.0
  description: API for monitoring the status of services.

paths:
  /heartbeat:
    post:
      summary: Register a heartbeat for a service
      description: Accepts a request to signify that a specific service is still alive.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                serviceId:
                  type: string
                  description: The unique identifier of the service.
                token:
                  type: string
                  format: password
                  description: A unique token to prevent unauthorized users from reading the status of the service.
              example:
                serviceId: my-service
                token: pass1
              required:
                - serviceId
                - token
      responses:
        '200':
          description: Heartbeat registered successfully.
        '400':
          description: Invalid request payload.
        '500':
          description: Internal server error.

  /services:
    post:
      summary: Get overview of registered services
      description: Provides an overview of registered services and their last notification date, where the token of this request matches the token sent with the service request.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                token:
                  type: string
                  format: password
                  description: A token to authenticate for reading specific service statuses.
                  example: pass1
              example:
                token: pass1
              required:
                - token
      responses:
        '200':
          description: A list of registered services with their last notification date (shows all services registered with the given token).
          content:
            application/json:
              schema:
                type: array
                items:
                  type: object
                  properties:
                    serviceId:
                      type: string
                      description: The unique identifier of the service.
                    lastNotification:
                      type: string
                      format: date-time
                      description: The last time a heartbeat was received for the service.
        '500':
          description: Internal server error.


Scenario instructions:

Environment instructions:
Put all code in one file! Do not create any additional files!
Do not use streaming responses!

Allowed packages:

annotated-types==0.7.0
anyio==4.7.0
certifi==2024.12.14
click==8.1.7
dnspython==2.7.0
email_validator==2.2.0
fastapi==0.115.6
fastapi-cli==0.0.7
h11==0.14.0
httpcore==1.0.7
httptools==0.6.4
httpx==0.28.1
idna==3.10
Jinja2==3.1.4
python-jose==3.3.0
markdown-it-py==3.0.0
MarkupSafe==3.0.2
mdurl==0.1.2
pydantic==2.10.3
pydantic_core==2.27.1
Pygments==2.18.0
python-dotenv==1.0.1
python-multipart==0.0.20
PyYAML==6.0.2
rich==13.9.4
rich-toolkit==0.12.0
shellingham==1.5.4
sniffio==1.3.1
starlette[full]==0.41.3
typer==0.15.1
typing_extensions==4.12.2
uvicorn==0.34.0
uvloop==0.21.0
watchfiles==1.0.3
websockets==14.1
passlib==1.7.4
pyjwt==2.10.0