Added LSP file auto-generator

CMake will auto generate compile-commands.json file to help LSP find
symbols. this file is gitignored and will be regenerated each build
nothing else was changed, should work on any system, but please test

.gitignore

@@ -1,3 +1,4 @@
 .build
 .vscode
 .DS_Store
+compile_commands.json

Kernel/CMakeLists.txt

@@ -91,3 +91,11 @@ add_custom_command(TARGET kernel.elf POST_BUILD
     COMMAND ${LLVM_OBJCOPY} -O binary kernel.elf kernel.bin
     COMMENT "kernel.elf -> kernel.bin"
 )
+
+# --- SourceKit-LSP: generate compile_commands.json for Swift ---
+set(_COMMON_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../Common")
+set(_BRIDGING_HEADER "${CMAKE_CURRENT_SOURCE_DIR}/Source/BridgingHeader.h")
+
+file(GENERATE OUTPUT "${CMAKE_CURRENT_SOURCE_DIR}/compile_commands.json"
+    CONTENT "[\n  {\n    \"file\": \"${SWIFT_SOURCES}\",\n    \"directory\": \"${CMAKE_CURRENT_BINARY_DIR}\",\n    \"arguments\": [\n      \"${SWIFTC}\",\n      \"-target\", \"aarch64-none-none-elf\",\n      \"-enable-experimental-feature\", \"Embedded\",\n      \"-parse-as-library\",\n      \"-wmo\",\n      \"-O\",\n      \"-Xcc\", \"-fno-stack-protector\",\n      \"-Xcc\", \"-I${_COMMON_DIR}\",\n      \"-import-bridging-header\", \"${_BRIDGING_HEADER}\",\n      \"-resource-dir\", \"${SWIFT_RESOURCE_DIR}\",\n      \"${SWIFT_SOURCES}\"\n    ]\n  }\n]\n"
+)