feat: add SOCKS5/HTTP proxy support #21

Bugbot Review

Bugbot Analysis Progress (54s elapsed)

✅ Gathered PR context (3s)
✅ Completed bug detection (31s)
✅ Posted analysis results (20s)

Final Result: Bugbot completed review and found 2 potential issues.

Request ID: serverGenReqId_cc6cf1fc-ebae-4ca9-a432-7a83ecaf7f94

Cursor Bugbot has reviewed your changes and found 2 potential issues.

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