refactor(devops): improve GitHub Actions generation safety

- Add try-catch error handling with logging
- Improve variable naming (githubActions -> buildSystem)
- Add null safety for project directory resolution
- Reorganize imports for better readability

Author: phodal

core/src/main/kotlin/cc/unitmesh/devti/actions/GenerateGitHubActionsAction.kt

@@ -1,13 +1,14 @@
 package cc.unitmesh.devti.actions
 
 import cc.unitmesh.devti.AutoDevBundle
+import cc.unitmesh.devti.actions.context.DevOpsContext
 import cc.unitmesh.devti.custom.tasks.FileGenerateTask
 import cc.unitmesh.devti.provider.BuildSystemProvider
 import cc.unitmesh.devti.template.GENIUS_CICD
 import cc.unitmesh.devti.template.TemplateRender
-import cc.unitmesh.devti.actions.context.DevOpsContext
 import com.intellij.openapi.actionSystem.AnAction
 import com.intellij.openapi.actionSystem.AnActionEvent
+import com.intellij.openapi.diagnostic.logger
 import com.intellij.openapi.progress.ProgressManager
 import com.intellij.openapi.progress.Task
 import com.intellij.openapi.progress.impl.BackgroundableProcessIndicator
@@ -18,20 +19,31 @@ class GenerateGitHubActionsAction : AnAction(AutoDevBundle.message("action.new.g
     override fun actionPerformed(e: AnActionEvent) {
         val project = e.project ?: return
 
-        // first, we need to guess language
-        val githubActions = BuildSystemProvider.guess(project);
-        val templateRender = TemplateRender(GENIUS_CICD)
-        templateRender.context = DevOpsContext.from(githubActions)
-        val template = templateRender.getTemplate("generate-github-action.vm")
+        try {
+            // 改进变量命名
+            val buildSystem = BuildSystemProvider.guess(project)
+            val templateRender = TemplateRender(GENIUS_CICD)
+            templateRender.context = DevOpsContext.from(buildSystem)
+            val template = templateRender.getTemplate("generate-github-action.vm")
+
+            // 安全的路径处理
+            val projectDir = project.guessProjectDir()?.toNioPath()
+                ?: throw IllegalStateException("Cannot determine project directory")
+
+            val workflowDir = projectDir.resolve(".github").resolve("workflows")
+            workflowDir.createDirectories()
 
-        project.guessProjectDir()!!.toNioPath().resolve(".github").resolve("workflows")
-            .createDirectories()
+            val msgs = templateRender.buildMsgs(template)
+            val task: Task.Backgroundable = FileGenerateTask(project, msgs, "ci.yml")
 
-        val msgs = templateRender.buildMsgs(template)
+            ProgressManager.getInstance()
+                .runProcessWithProgressAsynchronously(task, BackgroundableProcessIndicator(task))
 
-        val task: Task.Backgroundable = FileGenerateTask(project, msgs, "ci.yml")
-        ProgressManager.getInstance()
-            .runProcessWithProgressAsynchronously(task, BackgroundableProcessIndicator(task))
+        } catch (e: Exception) {
+            // 添加错误处理，可以显示错误通知给用户
+            logger<GenerateGitHubActionsAction>().error("Failed to generate GitHub Actions workflow", e)
+            // 可以添加用户通知
+        }
     }
 }