Fix assertion table row height in TestStepDialog

Set explicit row height (36px) and minimum input height (28px)
to prevent value input from being cut off.

Co-Authored-By: Claude Opus 4.5 <[email protected]>

src/cmdforge/gui/dialogs/test_step_dialog.py

@@ -296,6 +296,9 @@ class TestStepDialog(QDialog):
         row = self.assertions_table.rowCount()
         self.assertions_table.insertRow(row)
 
+        # Set proper row height for widgets
+        self.assertions_table.setRowHeight(row, 36)
+
         # Type dropdown
         type_combo = QComboBox()
         for type_id, display_name, tooltip in self.ASSERTION_TYPES:
@@ -307,6 +310,7 @@ class TestStepDialog(QDialog):
         # Value input
         value_edit = QLineEdit()
         value_edit.setPlaceholderText("Expected value (if applicable)")
+        value_edit.setMinimumHeight(28)
         self.assertions_table.setCellWidget(row, 1, value_edit)
 
         # Remove button