[Lacikika]

Implement Migration 068 for commercial transit permits, heavy-haul oversized load licensing, overweight weight surcharge tiers, active permit validation, and MDT violation citation logging across nyx_vehicles, nyx_logistics, nyx_treasury, and nyx_services. Includes SQL schema files, pure shared Lua formulas, server logic with treasury transfers, client spatial interactions, in-engine Test 63 registration, and a comprehensive pytest suite.

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PR created automatically by Jules for task 6193958987668177969 started by @Lacikika

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