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Johan Holm 711c2805e4 feat(search): Add robust fallback system with configurable retries and enhanced error handling

- Implement multi-engine failover system with configurable fallback order
    - Add retry logic with exponential backoff and rate limit detection
    - Introduce search configuration options:
      * fallback_engines: Ordered list of backup search providers
      * retry_delay: Seconds between retry batches (default: 60)
      * max_retries: Maximum system-wide retry attempts (default: 3)
    - Improve error resilience with:
      - Automatic engine switching on 429/Too Many Requests
      - Full system retries after configurable cooldown periods
      - Detailed logging for diagnostics and monitoring
    - Enhance engine prioritization logic:
      1. Primary configured engine
      2. Configured fallback engines
      3. Remaining available engines

    Example configuration:
    [search]
    engine = "Google"
    fallback_engines = ["DuckDuckGo", "Baidu"]  # Cascading fallback order
    retry_delay = 60                            # 1 minute between retry batches
    max_retries = 3                             # Attempt 3 full system retries

    This addresses critical reliability issues by:
    - Preventing search failures due to single-engine rate limits
    - Enabling recovery from transient network errors
    - Providing operational flexibility through configurable parameters
    - Improving visibility through granular logging (INFO/WARN/ERROR)

2025-03-17 10:43:42 +01:00

agent

format code and remove max_input_tokens for ToolCallAgent

2025-03-15 14:43:07 +08:00

flow

将工具选择从 ToolChoice.REQUIRED 更新为 ToolChoice.AUTO，以优化规划代理和规划流程的工具调用逻辑。

2025-03-14 09:46:46 +08:00

prompt

feat: implement duckduckgo search, abstract further

2025-03-13 09:05:14 +08:00

tool

feat(search): Add robust fallback system with configurable retries and enhanced error handling