feat: 意图保真(intent-fidelity) + 描述性梳理技能 + 相容性引擎升级; 修复转置宽表解析/CQA对账/澄清交互/功能切换串显; .gitignore 排除专利与机密Demo数据

Deploy Kernel+Skill architecture to HF Spaces; wire advanced stability features; remove deprecated entry points