feat(detection): bring Go and Python detection engines in sync with Node

[cport1]

Implement advanced fingerprint signal detectors (WebRTC media devices, Speech API voices, Worker consistency, CSS media queries, font availability, permissions API, and DOMRect geometry) in Go and Python, add missing DATACENTER and TOR_VPN threat categories to Python, align boolean signal checks, and fix Node server startup port logging.

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PR created automatically by Jules for task 16169070816753949254 started by @cport1

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[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

❌ Patch coverage is 7.36842% with 176 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
server-go/detection.go	6.45%	174 Missing ⚠️
server-go/scoring.go	50.00%	2 Missing ⚠️

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