fix(acp): unwrap web extract object titles

acp_adapter/tools.py

@@ -110,7 +110,12 @@ def build_tool_title(tool_name: str, args: Dict[str, Any]) -> str:
     if tool_name == "web_extract":
         urls = args.get("urls", [])
         if urls:
-            return f"extract: {urls[0]}" + (f" (+{len(urls)-1})" if len(urls) > 1 else "")
+            first = urls[0]
+            if isinstance(first, dict):
+                first = first.get("url") or first.get("href") or "?"
+            elif not isinstance(first, str):
+                first = "?"
+            return f"extract: {first}" + (f" (+{len(urls)-1})" if len(urls) > 1 else "")
         return "web extract"
     if tool_name == "process":
         action = str(args.get("action") or "").strip() or "manage"

tests/acp/test_tools.py

@@ -116,6 +116,18 @@ class TestBuildToolTitle:
         title = build_tool_title("web_search", {"query": "python asyncio"})
         assert "python asyncio" in title
 
+    def test_web_extract_title_unwraps_search_result_object(self):
+        title = build_tool_title("web_extract", {
+            "urls": [
+                {"url": "https://example.com/a", "title": "A"},
+                {"href": "https://example.org/b"},
+            ]
+        })
+        assert title == "extract: https://example.com/a (+1)"
+
+    def test_web_extract_title_handles_malformed_object(self):
+        assert build_tool_title("web_extract", {"urls": [{"title": "missing"}]}) == "extract: ?"
+
     def test_skill_view_title_includes_skill_name(self):
         title = build_tool_title("skill_view", {"name": "github-pitfalls"})
         assert title == "skill view (github-pitfalls)"