fix: Remove empty line after virtual command to maintain visual continuity

experiments/test-docker-pull-output.js

@@ -0,0 +1,35 @@
+#!/usr/bin/env node
+/**
+ * Test script to verify docker pull output format
+ * This test verifies that there is no empty line between
+ * the timeline marker and the virtual command line
+ */
+
+const {
+  createVirtualCommandBlock,
+  createVirtualCommandResult,
+  createTimelineSeparator,
+} = require('../js/src/lib/output-blocks');
+
+console.log('Testing virtual command output format...\n');
+
+// Simulate what dockerPullImage does
+const image = 'alpine:latest';
+
+// Print the virtual command line (should NOT have empty line after)
+const commandBlock = createVirtualCommandBlock(`docker pull ${image}`);
+console.log(commandBlock);
+
+// Expected: next line should be docker pull output, NOT an empty line
+console.log('latest: Pulling from library/alpine');
+console.log('f6b4fb944634: Pull complete');
+console.log('Digest: sha256:865b95f46d98cf867a156fe4a135ad3fe50d2056aa3f25ed31662dff6da4eb62');
+console.log('Status: Downloaded newer image for alpine:latest');
+console.log('docker.io/library/alpine:latest');
+
+// Print result marker and separator
+console.log();
+console.log(createVirtualCommandResult(true));
+console.log(createTimelineSeparator());
+
+console.log('\n✓ Test complete - verify no empty line after "$ docker pull alpine:latest"');

js/.changeset/fix-visual-continuity-73.md

@@ -0,0 +1,12 @@
+---
+'start-command': patch
+---
+
+fix: Remove empty line after virtual command to maintain visual continuity
+
+- Fixed visual continuity break in docker pull output
+- Removed empty line between timeline marker (`│`) and virtual command line (`$ docker pull`)
+- Output now flows continuously from timeline marker to command to output
+- Applies to all virtual command blocks (currently docker pull operations)
+
+Fixes #73

js/src/lib/docker-utils.js

@@ -117,7 +117,6 @@ function dockerPullImage(image) {
 
   // Print the virtual command line
   console.log(createVirtualCommandBlock(`docker pull ${image}`));
-  console.log();
 
   let output = '';
   let success = false;

rust/changelog.d/73.md

@@ -0,0 +1,8 @@
+fix: Remove empty line after virtual command to maintain visual continuity
+
+- Fixed visual continuity break in docker pull output
+- Removed empty line between timeline marker (`│`) and virtual command line (`$ docker pull`)
+- Output now flows continuously from timeline marker to command to output
+- Applies to all virtual command blocks (currently docker pull operations)
+
+Fixes #73

rust/src/lib/isolation.rs

@@ -488,7 +488,6 @@ pub fn docker_pull_image(image: &str) -> (bool, String) {
         "{}",
         crate::output_blocks::create_virtual_command_block(&format!("docker pull {}", image))
     );
-    println!();
 
     let mut child = match Command::new("docker")
         .args(["pull", image])