goal [-1]

gradio-web/oracle_logic.py

@@ -143,12 +143,12 @@ def _fetch_segmentation(env):
 def _build_solve_options(env, planner, selected_target, env_id):
     return get_vqa_options(env, planner, selected_target, env_id)
 
-def _extract_first_text(value, default="Unknown Goal"):
+def _extract_last_text(value, default="Unknown Goal"):
     if isinstance(value, str):
         text = value.strip()
         return text or default
     if isinstance(value, (list, tuple)):
-        for item in value:
+        for item in reversed(value):
             if item is None:
                 continue
             text = str(item).strip()
@@ -301,7 +301,7 @@ def _extract_demonstration_payload(demonstration_data):
         frames_candidate = demonstration_data.get("frames")
         if frames_candidate is None:
             frames_candidate = demonstration_data.get("front_rgb_list")
-        return _extract_first_text(goal_candidate, default_goal), _ensure_list(frames_candidate)
+        return _extract_last_text(goal_candidate, default_goal), _ensure_list(frames_candidate)
 
     if isinstance(demonstration_data, (tuple, list)):
         obs_batch = demonstration_data[0] if len(demonstration_data) >= 1 else None
@@ -322,7 +322,7 @@ def _extract_demonstration_payload(demonstration_data):
             if goal_candidate is None:
                 goal_candidate = info_batch.get("language_goal")
 
-        return _extract_first_text(goal_candidate, default_goal), _ensure_list(frames_candidate)
+        return _extract_last_text(goal_candidate, default_goal), _ensure_list(frames_candidate)
 
     return default_goal, default_frames
 

gradio-web/test/test_oracle_builder_integration.py

@@ -180,5 +180,5 @@ def test_load_episode_supports_tuple_demonstration_data(monkeypatch, reload_modu
 
     assert img == "IMG"
     assert msg == "Ready"
-    assert session.language_goal == "tuple goal"
+    assert session.language_goal == "backup goal"
     assert session.demonstration_frames == ["tuple_f1", "tuple_f2"]

gradio-web/test/test_ui_native_layout_contract.py

@@ -23,6 +23,12 @@ def test_native_ui_has_no_legacy_runtime_js_or_card_shell_tokens(reload_module):
         assert token not in css
 
 
+def test_extract_last_goal_prefers_last_list_item(reload_module):
+    ui_layout = reload_module("ui_layout")
+
+    assert ui_layout.extract_last_goal("['goal a', 'goal b']") == "goal b"
+
+
 def test_native_ui_config_contains_phase_machine_and_precheck_chain(reload_module):
     ui_layout = reload_module("ui_layout")
     demo = ui_layout.create_ui_blocks()

gradio-web/ui_layout.py

@@ -241,8 +241,8 @@ button#reference_action_btn:not(:disabled):hover,
 """
 
 
-def extract_first_goal(goal_text):
-    """Extract first goal from goal text that may be a list representation."""
+def extract_last_goal(goal_text):
+    """Extract last goal from goal text that may be a list representation."""
     if not goal_text:
         return ""
     text = goal_text.strip()
@@ -250,7 +250,10 @@ def extract_first_goal(goal_text):
         try:
             goals = ast.literal_eval(text)
             if isinstance(goals, list) and goals:
-                return str(goals[0]).strip()
+                for goal in reversed(goals):
+                    goal_text = str(goal).strip()
+                    if goal_text:
+                        return goal_text
         except Exception:
             pass
     return text.split("\n")[0].strip()
@@ -284,8 +287,8 @@ def create_ui_blocks():
         return " ".join(clean_task.splitlines()).strip() or None
 
     def render_header_goal(goal_text):
-        first_goal = extract_first_goal(goal_text or "")
-        return first_goal if first_goal else "—"
+        last_goal = extract_last_goal(goal_text or "")
+        return last_goal if last_goal else "—"
 
     with gr.Blocks(title="Oracle Planner Interface") as demo:
         demo.theme = gr.themes.Soft()