Revert "feat: Introduce an AI-driven interactive shell mode with new"

This reverts commit 651ad63ed6.

packages/core/src/tools/shell.test.ts

@@ -149,8 +149,6 @@ describe('ShellTool', () => {
       getShellBackgroundCompletionBehavior: vi.fn().mockReturnValue('silent'),
       getEnableShellOutputEfficiency: vi.fn().mockReturnValue(true),
       getSandboxEnabled: vi.fn().mockReturnValue(false),
-      getInteractiveShellMode: vi.fn().mockReturnValue('off'),
-      getSessionId: vi.fn().mockReturnValue('test-session-id'),
       sanitizationConfig: {},
       get sandboxManager() {
         return mockSandboxManager;
@@ -424,7 +422,7 @@ describe('ShellTool', () => {
 
       expect(mockShellBackground).toHaveBeenCalledWith(
         12345,
-        'test-session-id',
+        'default',
         'sleep 10',
       );
 
@@ -668,7 +666,7 @@ describe('ShellTool', () => {
 
         expect(mockShellBackground).toHaveBeenCalledWith(
           12345,
-          'test-session-id',
+          'default',
           'sleep 10',
         );