feat: auto-compute flip directions for all SVD components (Task 6)

explorer.py

@@ -2877,6 +2877,19 @@ def build_svd_components_tab(db_path: str) -> None:
             {p: len(v) for p, v in party_mp_vectors.items()} if party_mp_vectors else {}
         )
 
+    # Auto-compute flip directions for all components based on party centroids
+    # This ensures right-wing parties consistently appear on the right side
+    try:
+        from analysis.svd_labels import compute_flip_direction
+
+        for comp in range(1, 11):
+            flip = compute_flip_direction(comp, party_scores)
+            if comp in SVD_THEMES:
+                SVD_THEMES[comp]["flip"] = flip
+    except Exception:
+        # If flip computation fails, keep existing flip values in SVD_THEMES
+        pass
+
     # Convert party_scores (possibly [x,y] lists or legacy vectors) into explicit (x,y) coords
     party_coords: dict = {}
     for p, v in party_scores.items():