feat: refactor sgclaw around zeroclaw compat runtime

tests/planner_test.rs

@@ -30,6 +30,24 @@ fn planner_supports_baidu_search_variant_with_conjunction() {
     assert_eq!(plan.steps[1].params["text"], "电网调度");
 }
 
+#[test]
+fn planner_supports_zhihu_search_instruction_with_direct_search_url() {
+    let plan = plan_instruction("打开知乎搜索天气").unwrap();
+
+    assert_eq!(plan.summary, "已在知乎搜索天气");
+    assert_eq!(plan.steps.len(), 1);
+    assert_eq!(plan.steps[0].action, Action::Navigate);
+    assert_eq!(
+        plan.steps[0].params,
+        json!({ "url": "https://www.zhihu.com/search?type=content&q=%E5%A4%A9%E6%B0%94" })
+    );
+    assert_eq!(plan.steps[0].expected_domain, "www.zhihu.com");
+    assert_eq!(
+        plan.steps[0].log_message,
+        "navigate https://www.zhihu.com/search?type=content&q=%E5%A4%A9%E6%B0%94"
+    );
+}
+
 #[test]
 fn planner_rejects_unrelated_instruction() {
     let err = plan_instruction("打开谷歌搜索天气").unwrap_err();