Variable Renaming (Minification)

Multiple variables renamed due to code minification:

• Ev0 → OUB (TodoWrite tool description)
• JLQ → y$Q (LSP client wrapper)
• cl5 → Xi5 (GitHub auth detection)
• An5 → (removed, plugin env wrapper)
• Pi2 → Er2 (plugin hook serializer)
• Dt → vz (hook type extractor)
• FLQ → x$Q (LSP server manager)
• WT2 → QT2 (VCS account linker)
• aQ0 → sQ0 (plugin enabler)
• _T2 → TT2 (background task validator)
• $BI → jBI (callback hook executor)
• Qh2 → Yh2 (definition result formatter)
• Various function identifiers changed due to obfuscation