test: skip helper directories in runtime guardrail scans

src/security/temp-path-guard.test.ts

@@ -192,6 +192,7 @@ describe("temp path guard", () => {
     expect(shouldSkip("src/commands/test-helpers.ts")).toBe(true);
     expect(shouldSkip("src/commands/sessions.test-helpers.ts")).toBe(true);
     expect(shouldSkip("src\\commands\\sessions.test-helpers.ts")).toBe(true);
+    expect(shouldSkip("src/plugins/test-helpers/fs-fixtures.ts")).toBe(true);
   });
 
   it("detects dynamic and ignores static fixtures", () => {

src/test-utils/runtime-source-guardrail-scan.ts

@@ -17,7 +17,7 @@ const DEFAULT_GUARDRAIL_SKIP_PATTERNS = [
   /\.suite\.tsx?$/,
   /\.e2e\.tsx?$/,
   /\.d\.ts$/,
-  /[\\/](?:__tests__|tests|test-utils|test-support)[\\/]/,
+  /[\\/](?:__tests__|tests|test-helpers|test-utils|test-support)[\\/]/,
   /[\\/][^\\/]*test-helpers(?:\.[^\\/]+)?\.ts$/,
   /[\\/][^\\/]*test-utils(?:\.[^\\/]+)?\.ts$/,
   /[\\/][^\\/]*test-harness(?:\.[^\\/]+)?\.ts$/,