chore: 将 viceroy (Skill安装工具) 合并至 subprojects 统一管理

撤销独立仓库，直接纳入 KiloStar monorepo 的 subprojects/ 目录下。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

subprojects/viceroy/pyproject.toml

@@ -0,0 +1,24 @@
+[build-system]
+requires = ["maturin>=1.0,<2.0"]
+build-backend = "maturin"
+
+[project]
+name = "pretor-viceroy"  # 确保这里和 Cargo.toml 中的 name 一致
+version = "0.2.0"
+description = "High-performance skill installer and analysis tool"
+requires-python = ">=3.8"
+authors = [
+    { name = "zhaoxi826" }
+]
+classifiers = [
+    "Programming Language :: Rust",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Programming Language :: Python :: Implementation :: PyPy",
+]
+dependencies = [
+    "maturin>=1.13.1",
+]
+
+[tool.maturin]
+# 告诉 maturin 你的 Rust 源码在哪里（通常不用改）
+features = ["pyo3/extension-module"]