diff --git a/lib/src/flow_editor_page.dart b/lib/src/flow_editor_page.dart
index b46b4b2..ca9e865 100644
--- a/lib/src/flow_editor_page.dart
+++ b/lib/src/flow_editor_page.dart
@@ -127,7 +127,7 @@ class _FlowEditorPageState extends State<FlowEditorPage> {
     // captures whatever line-ending normalisation / fold-
     // marker insertion CodeController applied, so the dirty
     // check is comparing apples to apples.
-    _code.text = text;
+    _code.fullText = text;
     setState(() {
       _activeName = name;
       _baseline = _code.fullText;
@@ -142,7 +142,7 @@ class _FlowEditorPageState extends State<FlowEditorPage> {
       if (keep == false || !mounted) return;
     }
     final text = await File(f.path).readAsString();
-    _code.text = text;
+    _code.fullText = text;
     setState(() {
       _activeName = f.name;
       _baseline = _code.fullText;
@@ -177,7 +177,10 @@ class _FlowEditorPageState extends State<FlowEditorPage> {
     setState(() => _saving = true);
     try {
       final f = File('${_defaultFlowsDir()}/$name.yaml');
-      await f.writeAsString(_code.text, flush: true);
+      // Write fullText — `text` is post-fold visible-only, so
+      // saving it would lose any content the editor has hidden
+      // behind a collapsed fold.
+      await f.writeAsString(_code.fullText, flush: true);
       if (!mounted) return;
       setState(() {
         _baseline = _code.fullText;
@@ -227,7 +230,7 @@ outputs:
       }
       await f.writeAsString(template, flush: true);
       if (!mounted) return;
-      _code.text = template;
+      _code.fullText = template;
       setState(() {
         _activeName = name;
         _baseline = _code.fullText;
diff --git a/pubspec.yaml b/pubspec.yaml
index 1e9dc3b..7fd16db 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: fai_studio_flow_editor
 description: Swappable inline YAML editor for F∆I Studio flows.
-version: 0.1.1
+version: 0.1.2
 publish_to: 'none'
 repository: https://git.flemming.ai/fai/studio-flow-editor