refactor: remove FrameworkInterfaces facade, clean conditional compilation

refactor: remove FrameworkInterfaces facade, clean conditional compilation

Что было сделано

refactor: remove FrameworkInterfaces facade, clean conditional compilation

• Replace 13 ProjectReference to FrameworkInterfaces → Kitt.Scada.Core
• Remove FrameworkInterfaces project from solution
• Remove #if NET48 block from LoggerExtensions.cs (NLog-specific methods)
• Remove #if NETSTANDARD1_3 blocks from S7.Net (Struct.cs, Class.cs, TcpClientMixins.cs)
• Simplify #if NET5_0_OR_GREATER in PlcAsynchronous.cs (keep net8.0 branch)
• Add sub-agent context control rules to CLAUDE.md

Co-Authored…

Технологии

git, commit, security

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