fix: update documentation to replace 'demo' with 'scene' for consistency

Author: estruyf

docs/src/content/docs/features/overview-dashboard.mdx

@@ -13,29 +13,29 @@ Demo Time includes an Overview dashboard that gives you a high-level view of you
 
 ## Opening the Overview
 
-Open the Overview with the command `Demo Time: Overview` from the Command Palette (Cmd/Ctrl+Shift+P). The dashboard opens in a new panel and shows all demos defined in your act file along with their status and metadata.
+Open the Overview with the command `Demo Time: Overview` from the Command Palette (Cmd/Ctrl+Shift+P). The dashboard opens in a new panel and shows all scenes defined in your Act file along with their status and metadata.
 
 ## What the Overview shows
 
-- Demo list: A table or grid of demos with title, description, and status (enabled/disabled).
-- Slide counts: The number of slides per demo and the total slides in the current group.
-- Current session: If a presentation is active, the overview highlights the currently playing demo and slide.
-- Quick actions: Start/stop a demo, jump to a specific slide, open demo settings, or run a demo by ID.
+- Scene list: A table or grid of scenes with title, description, and status (enabled/disabled).
+- Slide counts: The number of slides per scene and the total slides in the current group.
+- Current session: If a presentation is active, the overview highlights the currently playing scene and slide.
+- Quick actions: Start/stop a scene, jump to a specific slide, open scene settings, or run a scene by ID.
 
 ## Actions and shortcuts
 
 From the Overview you can:
 
-- Start a demo or open the demo presenter view.
+- Start a scene or open the presenter view.
 - Run a scene step-by-step or jump directly to a slide.
-- Open the demo configuration editor for quick edits.
+- Open the act configuration editor for quick edits.
 
-These actions are exposed as toolbar buttons inside the dashboard and can also be triggered via the demo actions and automation steps described elsewhere in the docs.
+These actions are exposed as toolbar buttons inside the dashboard and can also be triggered via the scenes and automation moves described elsewhere in the docs.
 
 ## When to use the Overview
 
-- Before a talk: verify demos, order, and slide counts.
-- During rehearsal: quickly jump between demos and slides to rehearse specific parts.
-- Live presenting: monitor the current demo and use quick actions to recover from mistakes or skip ahead.
+- Before a talk: verify scenes, order, and slide counts.
+- During rehearsal: quickly jump between scenes and slides to rehearse specific parts.
+- Live presenting: monitor the current act and use quick actions to recover from mistakes or skip ahead.