diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 7df4acc8e..eb6b08207 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -60,6 +60,10 @@ jobs:
               - 'gitnexus/vendor/**'
               - 'gitnexus/src/core/parsing/**/parser.c'
               - 'gitnexus/src/core/parsing/**/parser.js'
+              # Test fixtures are intentionally synthetic inputs (broken/unused
+              # code, malformed samples) used to exercise the analyzer. CodeQL
+              # findings here are noise, not real bugs.
+              - '**/test/fixtures/**'
 
       - name: Perform CodeQL Analysis
         uses: github/codeql-action/analyze@0daab03d71ff584ef619d027a3fd9146679c5d84 # v3.35.3
diff --git a/.prettierignore b/.prettierignore
index 8c43748f4..cc6247d1f 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -2,6 +2,7 @@ dist/
 coverage/
 gitnexus/vendor/
 gitnexus/test/fixtures/
+gitnexus-web/test/fixtures/
 gitnexus-web/playwright-report/
 gitnexus-web/test-results/
 *.d.ts
diff --git a/eslint.config.mjs b/eslint.config.mjs
index cd7a331f2..5b365ba67 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -14,6 +14,7 @@ export default [
       'gitnexus/vendor/**',
       'gitnexus-web/src/vendor/**',
       'gitnexus/test/fixtures/**',
+      'gitnexus-web/test/fixtures/**',
       'gitnexus-web/playwright-report/**',
       'gitnexus-web/test-results/**',
       '**/*.d.ts',