Testing diff rendering options

diff-test.md

Test 1 - Standard diff block

- SELECT a, , b FROM users
+ SELECT a, b FROM users

Test 2 - With @@ header

@@ SQL Recovery @@
- SELECT a, , b FROM users
+ SELECT a, b FROM users

Test 3 - Inline code with emoji

SELECT a, ❌, b FROM users → SELECT a, b FROM users ✅

Test 4 - Table format

Broken SQL	Recovered
SELECT a, , b FROM users	SELECT a, b FROM users

Test 5 - Blockquote with before/after

Before: SELECT (a FROM t After: SELECT FROM t (error: (a)