diff --git a/.github/review-prompt.md b/.github/review-prompt.md
index 9113ac58..ed511dc1 100644
--- a/.github/review-prompt.md
+++ b/.github/review-prompt.md
@@ -49,7 +49,7 @@ Use only the review contract in this file plus the generated scope and packet fi
 
 - Return confirmed findings only.
 - Every finding must cite a file path and, when practical, a line number.
-- Each finding may optionally include `snippets`: up to 2 short evidence blocks with `label`, `language`, and `code`.
+- Each finding may optionally include `snippets`: up to 2 short evidence blocks with required `code`, plus optional `label` and `language`.
 - Keep the total finding count small unless the PR genuinely has several distinct problems.
 - If there are no confirmed findings, say so in the summary and return an empty findings array.
 - Use `approved` only when the diff is ready to merge as-is.
diff --git a/scripts/github/normalize-ai-review-output.mjs b/scripts/github/normalize-ai-review-output.mjs
index f22fe925..9be73e21 100644
--- a/scripts/github/normalize-ai-review-output.mjs
+++ b/scripts/github/normalize-ai-review-output.mjs
@@ -47,9 +47,15 @@ function cleanText(value) {
 }
 
 function cleanMultilineText(value) {
-  return typeof value === 'string'
-    ? value.trim().replace(/\r\n/g, '\n').replace(/\r/g, '\n')
-    : '';
+  if (typeof value !== 'string') {
+    return '';
+  }
+
+  return value
+    .replace(/\r\n/g, '\n')
+    .replace(/\r/g, '\n')
+    .replace(/^\n+/u, '')
+    .replace(/\n+$/u, '');
 }
 
 function escapeMarkdown(value) {
diff --git a/scripts/github/run-ai-review-direct.mjs b/scripts/github/run-ai-review-direct.mjs
index e8c25c34..a2f37959 100644
--- a/scripts/github/run-ai-review-direct.mjs
+++ b/scripts/github/run-ai-review-direct.mjs
@@ -101,7 +101,7 @@ Return a single object with these keys only:
 - overallRationale
 
 Each finding may optionally include:
-- snippets: an array of up to 2 objects with keys label, language, and code
+- snippets: an array of up to 2 objects with required code plus optional label and language
 
 If snippets are present:
 - keep code literal only, without markdown fences
diff --git a/tests/unit/scripts/github/normalize-ai-review-output.test.ts b/tests/unit/scripts/github/normalize-ai-review-output.test.ts
index e4afa2b0..afefb07e 100644
--- a/tests/unit/scripts/github/normalize-ai-review-output.test.ts
+++ b/tests/unit/scripts/github/normalize-ai-review-output.test.ts
@@ -209,6 +209,44 @@ describe('normalize-ai-review-output', () => {
     expect(markdown).toContain('```');
   });
 
+  test('preserves leading indentation inside literal finding snippets', () => {
+    const validation = reviewOutput.normalizeStructuredOutput(
+      JSON.stringify({
+        summary: 'Indented snippets must stay literal.',
+        findings: [
+          {
+            severity: 'low',
+            title: 'Indentation-sensitive example',
+            file: 'examples/sample.py',
+            line: 7,
+            what: 'The snippet must preserve its leading spaces.',
+            why: 'Python, YAML, and shell examples break when the renderer trims indentation.',
+            fix: 'Normalize newlines without trimming leading spaces from the first line.',
+            snippets: [
+              {
+                language: 'python',
+                code: '    if value:\n        print(value)',
+              },
+            ],
+          },
+        ],
+        securityChecklist: [{ check: 'Injection safety', status: 'pass', notes: 'Covered.' }],
+        ccsCompliance: [{ rule: 'Renderer-owned markdown', status: 'pass', notes: 'Covered.' }],
+        informational: [],
+        strengths: [],
+        overallAssessment: 'approved_with_notes',
+        overallRationale: 'This keeps literal evidence stable.',
+      })
+    );
+
+    expect(validation.ok).toBe(true);
+    expect(validation.value.findings[0].snippets[0].code).toBe('    if value:\n        print(value)');
+
+    const markdown = reviewOutput.renderStructuredReview(validation.value, { model: 'glm-5.1' });
+    expect(markdown).toContain('    if value:');
+    expect(markdown).toContain('        print(value)');
+  });
+
   test('normalizes optional rendering metadata when present in structured output', () => {
     const validation = reviewOutput.normalizeStructuredOutput(
       JSON.stringify({