plugins:
  - name: "RetryWithBackoff"
    kind: "plugins.retry_with_backoff.retry.RetryWithBackoffPlugin"
    description: "Annotate retry/backoff policy in metadata"
    version: "0.1.0"
    hooks: ["tool_post_invoke", "resource_post_fetch"]
    mode: "permissive"
    priority: 7
    config:
      # Default retry policy
      default_policy:
        max_retries: 2
        backoff_strategy: "exponential"
        backoff_base_ms: 200
        backoff_multiplier: 2.0
        max_backoff_ms: 5000
        jitter: true
        jitter_max_percent: 20
      
      # HTTP status code policies
      status_code_policies:
        429:  # Rate limited
          max_retries: 5
          backoff_strategy: "exponential"
          backoff_base_ms: 1000
          max_backoff_ms: 30000
        500:  # Internal server error
          max_retries: 3
          backoff_strategy: "exponential"
          backoff_base_ms: 500
        502:  # Bad gateway
          max_retries: 3
          backoff_strategy: "linear"
          backoff_base_ms: 1000
        503:  # Service unavailable
          max_retries: 5
          backoff_strategy: "exponential"
          backoff_base_ms: 2000
        504:  # Gateway timeout
          max_retries: 2
          backoff_strategy: "fixed"
          backoff_base_ms: 3000
      
      # Tool-specific policies
      tool_policies:
        web_scraper:
          max_retries: 3
          backoff_base_ms: 1000
          retry_on_status: [429, 500, 502, 503, 504]
        api_caller:
          max_retries: 5
          backoff_strategy: "exponential"
          backoff_base_ms: 500
        database_query:
          max_retries: 2
          backoff_strategy: "linear"
          backoff_base_ms: 1000
      
      # Error pattern matching
      error_patterns:
        - pattern: "timeout"
          max_retries: 3
          backoff_base_ms: 2000
        - pattern: "connection.*reset"
          max_retries: 2
          backoff_base_ms: 1000
        - pattern: "temporary.*failure"
          max_retries: 4
          backoff_base_ms: 500
      
      # Circuit breaker integration
      circuit_breaker:
        enabled: true
        failure_threshold: 5
        recovery_timeout_ms: 30000
        half_open_max_calls: 3
      
      # Retry conditions
      retry_conditions:
        retry_on_status: [429, 500, 502, 503, 504]
        retry_on_timeout: true
        retry_on_connection_error: true
        never_retry_status: [400, 401, 403, 404]
      
      # Metadata annotation
      metadata:
        include_policy: true
        include_next_retry_time: true
        include_attempt_count: true
        include_circuit_breaker_state: true