Enhance KSUN action to extract KSU version info

Added steps to extract KSU version information and set environment variables.

.github/actions/ksun/action.yml

@@ -7,8 +7,8 @@ runs:
   steps:
     - name: Setup KSUN
       shell: bash
-      working-directory: $COMMON
       run: |
+        cd "$COMMON"
         curl -LSs "https://raw.githubusercontent.com/KernelSU-Next/KernelSU-Next/next/kernel/setup.sh" | bash -s dev
 
         cd KernelSU-Next
@@ -28,3 +28,18 @@ runs:
         # KernelSU Configuration
         CONFIG_KSU=y
         EOF
+
+    - name: Extract KSU Version Info
+      id: ksu-version
+      shell: bash
+      working-directory: ${{ github.workspace }}/kernel/KernelSU-Next
+      run: |
+        # Extract and export KSU version info
+        KSU_GIT_VERSION=$(git rev-list --count HEAD 2>/dev/null)
+        KSU_GIT_TAG=$(git describe --tags --abbrev=0 2>/dev/null)
+        KSU_COMMIT=$(git rev-parse --short HEAD 2>/dev/null)
+        KSU_VERSION=$((30000 + KSU_GIT_VERSION))
+        
+        echo "KSU_GIT_TAG=$KSU_GIT_TAG" >> $GITHUB_ENV
+        echo "KSU_VERSION=$KSU_VERSION" >> $GITHUB_ENV
+        echo "KSU_COMMIT=$KSU_COMMIT" >> $GITHUB_ENV