diff --git a/.claude/settings.local.json b/.claude/settings.local.json
new file mode 100644
index 0000000000..f43e8eedeb
--- /dev/null
+++ b/.claude/settings.local.json
@@ -0,0 +1,6 @@
+{
+	"permissions": {
+		"allow": ["Bash(find:*)", "Bash(grep:*)", "Bash(mkdir:*)", "Bash(npm run:*)", "Bash(npx tsc:*)"],
+		"deny": []
+	}
+}
diff --git a/src/integrations/diagnostics/__tests__/diagnostics.spec.ts b/src/integrations/diagnostics/__tests__/diagnostics.spec.ts
index 0df472a75f..c91925d171 100644
--- a/src/integrations/diagnostics/__tests__/diagnostics.spec.ts
+++ b/src/integrations/diagnostics/__tests__/diagnostics.spec.ts
@@ -64,6 +64,15 @@ vitest.mock("vscode", () => ({
 			stat: vitest.fn(),
 		},
 		openTextDocument: vitest.fn(),
+		getConfiguration: vitest.fn(() => ({
+			get: vitest.fn((key, defaultValue) => {
+				// Return default values for diagnostics configuration
+				if (key === "includeDiagnostics") return false
+				if (key === "maxDiagnosticsCount") return 50
+				if (key === "diagnosticsFilter") return []
+				return defaultValue
+			}),
+		})),
 	},
 }))
 
@@ -103,6 +112,7 @@ describe("diagnosticsToProblemsString", () => {
 			[[fileUri, diagnostics]],
 			[vscode.DiagnosticSeverity.Error, vscode.DiagnosticSeverity.Warning],
 			"/path/to",
+			{ includeDiagnostics: true },
 		)
 
 		// Verify only Error and Warning diagnostics are included
@@ -147,6 +157,7 @@ describe("diagnosticsToProblemsString", () => {
 			[[dirUri, [diagnostic]]],
 			[vscode.DiagnosticSeverity.Error],
 			"/path/to",
+			{ includeDiagnostics: true },
 		)
 
 		// Verify fs.stat was called with the directory URI
@@ -204,6 +215,7 @@ describe("diagnosticsToProblemsString", () => {
 			[[fileUri, diagnostics]],
 			[vscode.DiagnosticSeverity.Error, vscode.DiagnosticSeverity.Warning, vscode.DiagnosticSeverity.Information],
 			"/path/to",
+			{ includeDiagnostics: true },
 		)
 
 		// Verify all diagnostics are included in the output
@@ -277,6 +289,7 @@ describe("diagnosticsToProblemsString", () => {
 			],
 			[vscode.DiagnosticSeverity.Error, vscode.DiagnosticSeverity.Warning, vscode.DiagnosticSeverity.Information],
 			"/path/to",
+			{ includeDiagnostics: true },
 		)
 
 		// Verify file paths are correctly shown with relative paths
@@ -333,6 +346,7 @@ describe("diagnosticsToProblemsString", () => {
 			[[fileUri, diagnostics]],
 			[vscode.DiagnosticSeverity.Information, vscode.DiagnosticSeverity.Hint],
 			"/path/to",
+			{ includeDiagnostics: true },
 		)
 
 		// Verify empty string is returned
@@ -373,6 +387,7 @@ describe("diagnosticsToProblemsString", () => {
 			[[fileUri, [diagnostic]]],
 			[vscode.DiagnosticSeverity.Error],
 			"/project/root",
+			{ includeDiagnostics: true },
 		)
 
 		// Verify exact output format