refactor: extract _render_axis_motions helper, use literal emoji in expander

explorer.py

@@ -1036,11 +1036,23 @@ def build_compass_tab(db_path: str, window_size: str) -> None:
         evr = axis_def.get("explained_variance_ratio", [None, None])
         evr0 = evr[0] if evr else None
 
+        def _render_axis_motions(label: str, conf_pct: str, top: dict) -> None:
+            st.markdown(f"**{label}**{conf_pct}")
+            for sign, icon in (("+", "➕"), ("-", "➖")):
+                titles = top.get(sign, [])
+                if titles:
+                    st.markdown(
+                        "  "
+                        + icon
+                        + " "
+                        + " · ".join(f"{t} ({d})" for t, d in titles[:3])
+                    )
+
         _has_motion_data = bool(
             x_top.get("+") or x_top.get("-") or y_top.get("+") or y_top.get("-")
         )
         if _has_motion_data:
-            with st.expander("\U0001f50d Wat bepaalt deze assen?"):
+            with st.expander("🔍 Wat bepaalt deze assen?"):
                 x_conf_pct = (
                     f" (vertrouwen: {x_conf:.0%})" if x_conf is not None else ""
                 )
@@ -1048,25 +1060,8 @@ def build_compass_tab(db_path: str, window_size: str) -> None:
                     f" (vertrouwen: {y_conf:.0%})" if y_conf is not None else ""
                 )
 
-                st.markdown(f"**Horizontale as: {_x_label}**{x_conf_pct}")
-                x_pos_titles = x_top.get("+", [])
-                x_neg_titles = x_top.get("-", [])
-                if x_pos_titles:
-                    labels_pos = " · ".join(f"{t} ({d})" for t, d in x_pos_titles[:3])
-                    st.markdown(f"  ➕ {labels_pos}")
-                if x_neg_titles:
-                    labels_neg = " · ".join(f"{t} ({d})" for t, d in x_neg_titles[:3])
-                    st.markdown(f"  ➖ {labels_neg}")
-
-                st.markdown(f"**Verticale as: {_y_label}**{y_conf_pct}")
-                y_pos_titles = y_top.get("+", [])
-                y_neg_titles = y_top.get("-", [])
-                if y_pos_titles:
-                    labels_pos = " · ".join(f"{t} ({d})" for t, d in y_pos_titles[:3])
-                    st.markdown(f"  ➕ {labels_pos}")
-                if y_neg_titles:
-                    labels_neg = " · ".join(f"{t} ({d})" for t, d in y_neg_titles[:3])
-                    st.markdown(f"  ➖ {labels_neg}")
+                _render_axis_motions(f"Horizontale as: {_x_label}", x_conf_pct, x_top)
+                _render_axis_motions(f"Verticale as: {_y_label}", y_conf_pct, y_top)
 
                 if evr0 is not None:
                     st.caption(