feat: add guided exploration and share user-started MCP backend

tests/unit/test_cli.py

@@ -217,7 +217,7 @@ def test_cli_mcp_generate_config_codex():
     assert "[mcp_servers.artemis]" in result.output
     assert "[mcp_servers.artemis.env]" in result.output
     assert "enabled = true" in result.output
-    assert "required = true" in result.output
+    assert "required = false" in result.output
     assert "startup_timeout_sec = 120" in result.output
     assert "enabled_tools" in result.output
     assert "mobile_run_task" in result.output
@@ -233,6 +233,7 @@ def test_cli_mcp_generate_config_codex():
         "mobile_config",
         "mobile_task_file",
         "mobile_batch",
+        "mobile_exploration",
         "mobile_search_history",
         "mobile_export_report",
     ]
@@ -265,7 +266,7 @@ def test_cli_mcp_install_codex_preserves_config_and_is_idempotent(tmp_path, monk
     assert data["mcp_servers"]["existing"]["command"] == "echo"
     assert data["mcp_servers"]["artemis"]["args"] == ["-m", "mcp_server"]
     assert data["mcp_servers"]["artemis"]["enabled"] is True
-    assert data["mcp_servers"]["artemis"]["required"] is True
+    assert data["mcp_servers"]["artemis"]["required"] is False
     assert data["mcp_servers"]["artemis"]["startup_timeout_sec"] == 120
     assert data["mcp_servers"]["artemis"]["enabled_tools"] == [
         "mobile_run_task",
@@ -277,6 +278,7 @@ def test_cli_mcp_install_codex_preserves_config_and_is_idempotent(tmp_path, monk
         "mobile_config",
         "mobile_task_file",
         "mobile_batch",
+        "mobile_exploration",
         "mobile_search_history",
         "mobile_export_report",
     ]