address comments

Author: Will-ShaoHua

packages/amazonq/.changes/next-release/Bug Fix-279c3a22-246e-41ca-9a42-3e446cdb9565.json

@@ -1,4 +1,4 @@
 {
 	"type": "Bug Fix",
-	"description": "Fix error thrown if plugins send out supplementalContext with the length greather than 10240 characters"
+	"description": "Inline Suggestions: Occasional `ValidationException` if user context has too many characters."
 }

packages/core/src/codewhisperer/util/supplementalContext/crossFileContextUtil.ts

@@ -136,16 +136,16 @@ export async function fetchSupplementalContextForSrcV1(
     for (const chunk of bestChunks) {
         throwIfCancelled(cancellationToken)
 
-        if (totalLength > crossFileContextConfig.maximumTotalLength) {
-            break
-        }
-
         supplementalContexts.push({
             filePath: chunk.fileName,
             content: chunk.nextContent,
             score: chunk.score,
         })
         totalLength += chunk.nextContent.length
+
+        if (totalLength > crossFileContextConfig.maximumTotalLength) {
+            break
+        }
     }
 
     // DO NOT send code chunk with empty content