fix(amazonq): Skip including deleted files for FeatureDev context.

Author: neilk-aws

packages/amazonq/.changes/next-release/Bug Fix-4f85fc73-11cd-4033-bc93-b49ff3c3e45e.json

@@ -0,0 +1,4 @@
+{
+	"type": "Bug Fix",
+	"description": "Amazon Q /dev: Fix issue when files are deleted while preparing context"
+}

packages/core/src/amazonqFeatureDev/util/files.ts

@@ -39,7 +39,16 @@ export async function prepareRepoData(
         const ignoredExtensionMap = new Map<string, number>()
 
         for (const file of files) {
-            const fileSize = (await fs.stat(file.fileUri)).size
+            let fileSize
+            try {
+                fileSize = (await fs.stat(file.fileUri)).size
+            } catch (error) {
+                if (error instanceof Error && error.message.includes('ENOENT')) {
+                    // No-op: Skip if file does not exist
+                    continue
+                }
+                throw error
+            }
             const isCodeFile_ = isCodeFile(file.relativeFilePath)
 
             if (fileSize >= maxFileSizeBytes || !isCodeFile_) {
@@ -58,7 +67,17 @@ export async function prepareRepoData(
             totalBytes += fileSize
 
             const zipFolderPath = path.dirname(file.zipFilePath)
-            zip.addLocalFile(file.fileUri.fsPath, zipFolderPath)
+
+            try {
+                zip.addLocalFile(file.fileUri.fsPath, zipFolderPath)
+            } catch (error) {
+                if (error instanceof Error && error.message.includes('File not found')) {
+                    // No-op: Skip if file was deleted or does not exist
+                    // Reference: https://github.com/cthackers/adm-zip/blob/1cd32f7e0ad3c540142a76609bb538a5cda2292f/adm-zip.js#L296-L321
+                    continue
+                }
+                throw error
+            }
         }
 
         const iterator = ignoredExtensionMap.entries()