[Agent] Anti-Detection — Request Fingerprint Randomization

[TiagoAlmeidaS]

Overview

This feature introduces fingerprint randomization for API calls in the Provider component to mitigate detection by upstream AI companies. It modifies the request headers and introduces delays to obscure patterns that could reveal a relay network.

Changes

• src/provider/index.ts — implemented randomization of the anthropic-version header, added a random delay (0-500ms) before API calls, randomized max_tokens within ±5%, and rotated User-Agent strings from a predefined pool. A configuration flag anti_fingerprint was also added to enable or disable this feature for debugging purposes.

Test Coverage

• tests/provider.test.ts — verifies the distribution of randomization in headers and delays, ensuring no two consecutive requests have identical fingerprints.

How to Test

1. Set the anti_fingerprint configuration flag to true in your environment.
2. Make multiple API calls to the Provider component.
3. Observe the request headers and delays to confirm that they vary between calls.
4. Disable the feature by setting anti_fingerprint to false and verify that the requests are consistent.

Closes #45

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