Implement requests retries

[kevalmahajan]

✨ Feature / Enhancement PR

🔗 Epic / Issue

Closes #456
Sub Issue of #258

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🚀 Summary

A retry mechanism has been implemented for all outbound HTTP requests made using httpx.AsyncClient, improving resilience to transient network failures and temporary service outages.

Key Features:

1. Automatic Retries with configurable maximum attempts
2. Exponential Backoff with added jitter to prevent retry storms:
3. Error-aware Retry Logic

Implementation Notes:

1. Integrates with httpx.AsyncClient via a custom transport layer or middleware wrapper
2. Retry logic is centralized and reusable across services or tools using the shared HTTP client

Impact:

1. Significantly improves reliability for systems making HTTP requests to external or internal services
2. Reduces the risk of failure from transient issues like network glitches or temporary rate limiting

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🧪 Checks

• make lint passes
• make test passes
• CHANGELOG updated (if user-facing)

[madhav165]

Looks fine, only suggestion is

if response.status_code in NON_RETRYABLE_STATUS_CODES or response.is_success:
    return response

can go before the code checking for Retry-After header in retry_manager.py's request function.

[kevalmahajan]

@madhav165 Made the recommended change. Thanks.

[crivetimihai]

Passed make test doctest. Merging.