Fix issue where we were passing the model content reflecting terminal line wrapping. (#14566)

packages/core/src/services/shellExecutionService.ts

@@ -116,8 +116,28 @@ const getFullBufferText = (terminal: pkg.Terminal): string => {
   const lines: string[] = [];
   for (let i = 0; i < buffer.length; i++) {
     const line = buffer.getLine(i);
-    const lineContent = line ? line.translateToString(true) : '';
-    lines.push(lineContent);
+    if (!line) {
+      continue;
+    }
+    // If the NEXT line is wrapped, it means it's a continuation of THIS line.
+    // We should not trim the right side of this line because trailing spaces
+    // might be significant parts of the wrapped content.
+    // If it's not wrapped, we trim normally.
+    let trimRight = true;
+    if (i + 1 < buffer.length) {
+      const nextLine = buffer.getLine(i + 1);
+      if (nextLine?.isWrapped) {
+        trimRight = false;
+      }
+    }
+
+    const lineContent = line.translateToString(trimRight);
+
+    if (line.isWrapped && lines.length > 0) {
+      lines[lines.length - 1] += lineContent;
+    } else {
+      lines.push(lineContent);
+    }
   }
 
   // Remove trailing empty lines