Remove newline from Ask Socratic Shell compact references

Set includeNewline parameter to false for Ask Socratic Shell references,
allowing users to continue typing immediately after the reference without
extra spacing.

Co-authored-by: Claude <[email protected]>

Author: nikomatsakis

extension/src/extension.ts

@@ -1076,7 +1076,7 @@ function setupSelectionDetection(bus: Bus): void {
                     selectedText: selectedText,
                 };
 
-                await bus.sendToActiveTerminal(referenceData);
+                await bus.sendToActiveTerminal(referenceData, false);
                 outputChannel.appendLine(`Compact reference sent for ${relativePath}:${startLine}`);
             } catch (error) {
                 outputChannel.appendLine(`Failed to send reference: ${error}`);