Fix ast-grep tests and add no-countall-number test

- Update zod-namespace-import snapshot (semicolon fix)
- Add test cases for no-countall-number rule
- Update rule pattern to match method calls on objects

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.ast-grep/rules/no-countall-number.yml

@@ -4,5 +4,5 @@ severity: error
 message: "Don't use countAll<number>() - use countAll() instead. PostgreSQL COUNT returns bigint (string), so the type annotation is misleading."
 note: "Use Number() to convert the result if you need a number type."
 rule:
-  pattern: countAll<number>()
-fix: countAll()
+  pattern: $OBJ.countAll<number>()
+fix: $OBJ.countAll()