Improve rate limiting diagnostics and burst handling

[ash1shkumar]

Description

What Changed

This PR enhances API rate-limiting behavior by introducing request accounting, burst traffic detection, enforcement diagnostics, and traffic monitoring metrics to improve throttling consistency under varying traffic conditions.

Improvements

• Added client request accounting and tracking.
• Introduced burst traffic detection logic.
• Added throttling metadata generation.
• Implemented enforcement fairness validation.
• Added traffic utilization diagnostics.
• Enhanced monitoring metrics for throttling behavior.
• Added cleanup lifecycle for expired accounting records.
• Improved rate-limit visibility through diagnostic helpers.
• Added tracked client monitoring.
• Exposed burst threshold and rate-limit configuration metrics.

Benefits

• Improves consistency during traffic spikes.
• Reduces false-positive throttling scenarios.
• Provides better visibility into rate-limit enforcement.
• Enhances burst traffic handling and monitoring.
• Improves operational observability and debugging capabilities.

Related Issue

Fixes #367

Expected Labels

level3, NSoC'26

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Project	Deployment	Actions	Updated (UTC)
flow-forge	Ready	Preview, Comment	Jun 15, 2026 4:37pm