Complete migration to Rust implementation

- Migrate optimization from optimize.sh to src/optimization/
- Remove all Python files (analytics/, server/, hooks/, pyproject.toml)
- Add optimization module: optimizer.rs, parser.rs, mod.rs
- Implement all missing MCP tool handlers (35 total tools)
- Add handle_patch_set_file handler
- Clean up orphan files: .venv/, __pycache__, test files
- Move test_rcp_server.sh to tests/integration_test.sh
- Add Rust integration tests in tests/integration_tests.rs
- Fix all compiler warnings with #[allow(dead_code)]
- Update test fixtures and structure

Cargo.lock

@@ -430,6 +430,7 @@ dependencies = [
  "dirs",
  "encoding_rs",
  "regex",
+ "roxmltree",
  "serde",
  "serde_json",
  "serde_yaml",
@@ -589,6 +590,15 @@ version = "0.8.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc897dd8d9e8bd1ed8cdad82b5966c3e0ecae09fb1907d58efaa013543185d0a"
 
+[[package]]
+name = "roxmltree"
+version = "0.21.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1964b10c76125c36f8afe190065a4bf9a87bf324842c05701330bba9f1cacbb"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "rustix"
 version = "1.1.4"