[Audit] Concurrency and Race Condition Analysis

[Snider]

Audit Instructions

Perform a thorough audit focusing on concurrency safety and race conditions in data collection operations.

Focus Areas

• Parallel download race conditions
• File system write ordering
• HTTP client connection pooling
• Rate limiter synchronization
• Progress reporting thread safety

Output Format

Create a file named AUDIT-CONCURRENCY.md with findings.

Requirements

• Run go test -race if possible
• Review parallel download logic
• Check for proper mutex usage

[google-labs-jules]

Jules is on it. When finished, you will see another comment and be able to review a PR.

[google-labs-jules]

Ready for a review! A PR has been created.