Refine split terminal tour copy

Co-authored-by: Orca <help@stably.ai>

src/renderer/src/components/contextual-tours/contextual-tour-gate.test.ts

@@ -250,7 +250,7 @@ describe('contextual tour gate', () => {
     const visibleStepIndexes = getVisibleContextualTourStepIndexes(tour, targetExists)
 
     expect(tour.steps.map((step) => step.title)).toEqual([
-      'Work side by side',
+      'Split a terminal pane',
       'Run another task in parallel'
     ])
     expect(visibleStepIndexes).toEqual([0, 1])

src/renderer/src/components/tab-group/TabGroupPanel.tsx

@@ -341,7 +341,7 @@ export default function TabGroupPanel({
             terminal-area tip instead of attaching to toolbar chrome. */}
         {isFocused ? (
           <div
-            className="pointer-events-none absolute inset-x-0 top-1/3 h-px"
+            className="pointer-events-none absolute inset-x-0 top-1/4 h-px"
             data-contextual-tour-target="workspace-agent-terminal-tip"
           />
         ) : null}

src/shared/contextual-tours.test.ts

@@ -46,7 +46,7 @@ describe('contextual tour definitions', () => {
     // Two steps only: tasks and orchestration education lives in their own
     // page tours, so the in-app tour ends after the worktree CTA.
     expect(tour?.steps.map((step) => step.title)).toEqual([
-      'Work side by side',
+      'Split a terminal pane',
       'Run another task in parallel'
     ])
     // The opening step teaches the split gesture and offers the convenience button.

src/shared/contextual-tours.ts

@@ -73,8 +73,8 @@ export const CONTEXTUAL_TOURS = [
     id: 'workspace-agent-sessions',
     steps: [
       {
-        title: 'Work side by side',
-        body: 'Run more than one thread of work at once. Open a second terminal pane with {terminal.splitRight}, or right-click the pane for split options.',
+        title: 'Split a terminal pane',
+        body: 'Open a second terminal pane with {terminal.splitRight}, or right-click the pane for split options.',
         targetSelector:
           '[data-contextual-tour-target="terminal-pane-split-target"], [data-contextual-tour-target="workspace-agent-terminal-tip"]',
         requiredForStart: true,