diff --git a/docs/assets/screenshots/playwright/pattern-demo-toolbar-controls.png b/docs/assets/screenshots/playwright/pattern-demo-toolbar-controls.png
new file mode 100644
index 0000000..faa3b6c
Binary files /dev/null and b/docs/assets/screenshots/playwright/pattern-demo-toolbar-controls.png differ
diff --git a/docs/getting-started/pattern-demo.md b/docs/getting-started/pattern-demo.md
index bc6b664..fa1de1a 100644
--- a/docs/getting-started/pattern-demo.md
+++ b/docs/getting-started/pattern-demo.md
@@ -160,6 +160,7 @@ Success check:
 ## Attach the Movement Patterns
 
 **NOTE:** The goal is to build the patterns one ship at a time in the same scene-start event flow. Take your time, and work ship-by-ship. Your progress is saved automatically, so you can return to the process later.
+
 **NOTE:** Hit `Play Mode` in the upper-right of the canvas to check each ship's actions as you build them. After you've viewed the action steps, click the same button again to return to `Edit Mode`.
 
 <img src="../assets/screenshots/playwright/actions-events-panel.png" alt="Actions and events panel"  style="display: block; margin: 0 auto; width: 408px; max-width: 100%; height: auto;" />
@@ -170,13 +171,17 @@ Success check:
 
 1. Select the ship titled `Wave` on the canvas or in the scene graph.
 2. On the Inspector tab in the right sidebar, open the `Actions/Events` panel.
+
    **NOTE:** If other open panels are cluttering the Inspector, you can close them with the chevron next to each panel name.
 3. Click `+ Add Action` in the panel's `OnSceneStart` handler.
+
    **NOTE:** The Action Library popup will appear.
 4. In the Action Library categories, click the `Loops` tab.
 5. Under Actions, choose `Intro then Repeat…`
+
    **NOTE:** The Action Library popup will close, and OnSceneStart will contain three actions: Intro, Repeat, and a nested Loop body.
 6. Click on the Intro action name in the Steps list. 
+
    **NOTE:** The Inspector will switch to show `Intro` step properties.
 7. Set the Intro step properties to the following:
    - `Type = Wave`
@@ -184,6 +189,7 @@ Success check:
    - The other defaults are fine.
 8. Click the Back arrow in the properties panel to return to the Actions list.
 9. Click on the `Loop Body` name in the Steps list.
+
    **NOTE:** The Inspector will switch to show `Loop Body` step properties.
 10. Set the `Loop Body` step properties to the following:
    - `Type = Wave`
@@ -197,12 +203,15 @@ Success check:
 ### Zigzag action
 
 1. Select the ship titled `Zigzag` on the canvas or in the scene graph.
+
    **NOTE:** Remember to collapse other panels besides `Actions/Events` in the Inspector if it is too cluttered.
 2. Click `+ Add Action` in the panel's `OnSceneStart` handler under the `Actions/Events` panel.
+
    **NOTE:** The Action Library popup will appear.
 3. In the Action Library categories, click the `Loops` tab.
 4. Under Actions, choose `Repeat With Children…`
 5. Leave `Children = 2`, set `Child Type = Zigzag Pattern` and click the `Create` button.
+
    **NOTE:** The Inspector will switch to show the `Repeat` action properties.
 6. Set the Loop properties to the following:
    - `Name = Loop`
@@ -210,6 +219,7 @@ Success check:
    - The other defaults are fine.
    - Click the Back arrow in the properties panel to return to the Actions list.
 7. Click on the second `Zigzag Pattern` in the Steps list.
+
    **NOTE:** The Inspector will switch to show `Zigzag` step properties.
 8. Set the second `Zigzag` step properties to the following:
    - `Width = -30`
@@ -217,8 +227,10 @@ Success check:
    - The other defaults are fine.
    - Click the Back arrow in the properties panel to return to the Actions list.
 9. Click the `...` next to the Loop in the Actions list. 
+
     **NOTE:** A popup menu will appear below. 
 10. Click `+ Add Action Above` in the popup menu.
+
     **NOTE:** The Action Library will popup above the Loop action.
 11. Click `Move By` in the Action library to add it to the Actions list. 
 12. Click the `Move By` action in the Actions list to set its properties: 
@@ -231,9 +243,11 @@ Success check:
 
 1. Select the ship titled `Figure-8` on the canvas.
 2. Click `+ Add Action` in the panel's `OnSceneStart` handler under the `Actions/Events` panel.
+
    **NOTE:** The Action Library popup will appear.
 3. In the Action Library categories, click the `Loops` tab.
 4. In the Actions list, click `Repeat with Children…`
+
    **NOTE:** The Actions Library will close, and a popup menu in the `OnSceneStart` menu will appear.
 5. Set `Children = 1` and `Child Type = Figure-8 Pattern` in the popup menu, then click the `Create` button.
 6. Set the `Repeat` step properties in the Inspector to the following:
@@ -248,31 +262,31 @@ Success check:
 3. Check the box labeled `Flip Y`.
 4. Click the Transform panel chevron again to close it.
 5. Click `+ Add Action` in the panel's `OnSceneStart` handler under the `Actions/Events` panel.
+
    **NOTE:** The Action Library popup will appear.
 6. In the Action Library categories, click the `Loops` tab.
 7. In the Actions list, click `Repeat with Children…`
+
    **NOTE:** The Actions Library will close, and a popup menu in the `OnSceneStart` menu will appear.
 8. Set `Children = 1` and `Child Type = Orbit Pattern` in the popup menu, then click the `Create` button.
 9. Click the Back arrow in the properties panel to return to the Actions list.
-10. Click on the `Child` (Orbit Pattern) in the Actions list.
-11. Set the `Child` properties in the Inspector to:
-    - `Center = Home`
-    - The other defaults are fine.
-    - Click the Back arrow in the properties panel to return to the Actions list.
 
 ### Spiral action
 
 1. Select the ship titled `Spiral` on the canvas.
 2. Click `+ Add Action` in the panel's `OnSceneStart` handler under the `Actions/Events` panel.
+
    **NOTE:** The Action Library popup will appear.
 3. In the Action Library categories, click the `Loops` tab.
 4. In the Actions list, click `Repeat with Children…`
+
    **NOTE:** The Actions Library will close, and a popup menu in the `OnSceneStart` menu will appear.
 5. Set `Child Type = Spiral Pattern` in the popup menu, then click the `Create` button.
 6. Click the Back arrow in the properties panel to return to the Actions list.
 7. Click on `Child 2` in the Actions list.
 8. Set the `Child 2` properties to:
-    - `direction = inward`
+    - `Direction = Inward`
+    - `Flip Y = Checked`
     - The other defaults are fine.
     - Click the Back arrow in the properties panel to return to the Actions list.
 
@@ -280,9 +294,12 @@ Success check:
 
 1. Select the ship titled `Bounce` on the canvas.
 2. Click `+ Add Action` in the panel's `OnSceneStart` handler under the `Actions/Events` panel.
+
    **NOTE:** The Action Library popup will appear.
-3. Add a `Bounce Pattern` step and set:
-   - `velocityX = 100`
+3. In the Action Library categories, click the `Movement` tab.
+4. Add a `Bounce` step and set:
+   - `Name = BounceBox`
+   - `Velocity X = 100`
    - In the `Bounds` panel for the same ship:
       - Switch `Bounds` edit mode to `Center/Span`
       - Set `± X Span = 50`
@@ -297,8 +314,10 @@ Success check:
 
 1. Select the ship titled `Patrol` on the canvas.
 2. Click `+ Add Action` in the panel's `OnSceneStart` handler under the `Actions/Events` panel.
+
    **NOTE:** The Action Library popup will appear.
-3. Add a `Patrol Pattern` step and set:
+3. In the Action Library categories, click the `Movement` tab.
+4. Add a `Patrol` step and set:
    - `Velocity X = 80`
    - In the `Bounds` panel for the same ship:
       - Switch `Bounds` edit mode to `Center/Span`
@@ -315,11 +334,21 @@ Success check:
 - Every ship shows a handler/action flow in the editor.
 - `Bounce` and `Patrol` have their bounds configured, not just the pattern action itself.
 
+## Add Music to the Demo
+
+1. Click on a blank part of the Canvas.
+   
+   **NOTE:** The Inspector for the canvas itself will appear in the right sidebar.
+
+2. In the Inspector, expand the Audio panel (if it's not already visible) by clicking the chevron next to its name.
+3. Click on the Music dropdown box and select a song from the Demo Pack, like "sb-indreams-chosic-com" or whichever one you like.
+4. Adjust the Volume setting if you like.
+
 ## Run the Demo in Play Mode
 
 Toggle into Play mode with `Tab` or the toolbar button, and let the scene run long enough to verify all seven motions.
 
-<img src="../assets/screenshots/playwright/toolbar-theme-and-scale.png" alt="Toolbar close-up" style="display: block; margin: 0 auto; width: 1633px; max-width: 100%; height: auto;" />
+<img src="../assets/screenshots/playwright/pattern-demo-toolbar-controls.png" alt="Toolbar buttons for Undo, Redo, Snap Off, and Play Mode" style="display: block; margin: 0 auto; width: 511px; max-width: 100%; height: auto;" />
 
 <p align="center"><em>Figure 13. Toolbar region with Play/Edit toggle and status controls.</em></p>
 
diff --git a/src/editor/Inspector.tsx b/src/editor/Inspector.tsx
index 33119f1..67a158d 100644
--- a/src/editor/Inspector.tsx
+++ b/src/editor/Inspector.tsx
@@ -2223,7 +2223,7 @@ function AttachmentInspector({
                 return;
               }
               if (nextType === 'OrbitPattern') {
-                onUpdate({ ...base, params: { radius: 50, velocity: 100, clockwise: true, centerMode: 'current' } });
+                onUpdate({ ...base, params: { radius: 50, velocity: 100, clockwise: true, centerMode: 'home' } });
                 return;
               }
 	              if (nextType === 'BouncePattern') {
@@ -3286,7 +3286,7 @@ function AttachmentInspector({
               <span>Center</span>
               <select
                 aria-label="Orbit Center Mode"
-                value={String(params.centerMode ?? 'current')}
+                value={String(params.centerMode ?? 'home')}
                 onChange={(e) => onUpdate({ ...attachment, params: { ...params, centerMode: e.target.value } })}
               >
                 <option value="current">Current</option>
diff --git a/src/editor/attachmentCommands.ts b/src/editor/attachmentCommands.ts
index 9c167d1..3a72fff 100644
--- a/src/editor/attachmentCommands.ts
+++ b/src/editor/attachmentCommands.ts
@@ -220,7 +220,7 @@ export function createAttachment(
   } else if (presetId === 'FigureEightPattern') {
     baseDefaults.params = { width: 80, height: 60, velocity: 100 };
   } else if (presetId === 'OrbitPattern') {
-    baseDefaults.params = { radius: 50, velocity: 100, clockwise: true, centerMode: 'current' };
+    baseDefaults.params = { radius: 50, velocity: 100, clockwise: true, centerMode: 'home' };
   } else if (presetId === 'BouncePattern') {
     baseDefaults.params = { velocityX: 120, velocityY: 60, axis: 'both' };
     const targetBounds = computeTargetAabb(scene as any, target as any);
diff --git a/tests/editor/attachment-inspector-action-type-labels.test.tsx b/tests/editor/attachment-inspector-action-type-labels.test.tsx
index 03c7269..ae9f454 100644
--- a/tests/editor/attachment-inspector-action-type-labels.test.tsx
+++ b/tests/editor/attachment-inspector-action-type-labels.test.tsx
@@ -52,4 +52,37 @@ describe('Attachment inspector action type labels', () => {
     expect(markup).toContain('<option value="WavePattern" selected="">Wave</option>');
     expect(markup).not.toContain('<option value="WavePattern" selected="">Wave Pattern</option>');
   });
+
+  it('defaults Orbit center mode to Home in the panel when unset', () => {
+    const scene = baseScene();
+    const project = baseProject();
+    const attachment: any = {
+      id: 'att-1',
+      target: { type: 'entity', entityId: 'e1' },
+      presetId: 'OrbitPattern',
+      enabled: true,
+      order: 0,
+      params: {},
+    };
+
+    const markup = renderToStaticMarkup(
+      renderAttachmentInspector(
+        attachment,
+        project,
+        scene,
+        {
+          arrange: [],
+          conditions: [],
+          actions: [
+            { type: 'OrbitPattern', displayName: 'Orbit Pattern', category: 'movement', implemented: true },
+          ],
+        } as any,
+        () => {},
+        () => {}
+      )
+    );
+
+    expect(markup).toContain('<option value="home" selected="">Home</option>');
+    expect(markup).not.toContain('<option value="current" selected="">Current</option>');
+  });
 });
diff --git a/tests/editor/behavior-commands.test.ts b/tests/editor/behavior-commands.test.ts
index 1909237..e54825c 100644
--- a/tests/editor/behavior-commands.test.ts
+++ b/tests/editor/behavior-commands.test.ts
@@ -46,6 +46,22 @@ describe('attachment commands', () => {
     }
   });
 
+  it('creates OrbitPattern attachments with Home as the default center mode', () => {
+    vi.useFakeTimers();
+    vi.setSystemTime(new Date('2026-04-13T00:00:00.000Z'));
+    const { scene: next, attachmentId } = createAttachment(sampleScene, { type: 'entity', entityId: 'e1' }, 'OrbitPattern');
+    vi.useRealTimers();
+
+    const att = next.attachments[attachmentId];
+    expect(att.presetId).toBe('OrbitPattern');
+    expect(att.params).toMatchObject({
+      radius: 50,
+      velocity: 100,
+      clockwise: true,
+      centerMode: 'home',
+    });
+  });
+
   it('moves attachments up/down within their target list', () => {
     const movedUp = moveAttachmentWithinTarget(sampleScene, 'att-drop-right', 'up');
     const list = Object.values(movedUp.attachments)