plan: 22b.4a fix — ail render has no --form flag

docs/plans/2026-05-09-22b4a-form-a-class-instance.md

@@ -1083,7 +1083,7 @@ Before editing, sanity-check that the printer/parser arms cover every
 
 ```
 for f in examples/test_22b1_*.ail.json examples/test_22b2_*.ail.json examples/test_22b3_*.ail.json; do
-  cargo run -q -p ail -- render --form a "$f" > /tmp/rt.txt 2>&1 || echo "RENDER FAIL: $f"
+  cargo run -q -p ail -- render "$f" > /tmp/rt.txt 2>&1 || echo "RENDER FAIL: $f"
 done
 ```