fix(docs): correct iframe path for embedded 3-D twins

docs/case_studies/aiguille_du_midi.md

@@ -151,5 +151,5 @@ falls out of the physics + the optimization objective.
 Drag to rotate, scroll to zoom. Click the *Reset Camera* button (top-right
 inside the viewer) to recentre.
 
-<iframe src="aiguille_du_midi_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
+<iframe src="../aiguille_du_midi_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
 

docs/case_studies/cablebus_linea2.md

@@ -144,5 +144,5 @@ calibrated for this archetype.
 Drag to rotate, scroll to zoom. Click the *Reset Camera* button (top-right
 inside the viewer) to recentre.
 
-<iframe src="cablebus_linea2_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
+<iframe src="../cablebus_linea2_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
 

docs/case_studies/funitel_peclet.md

@@ -130,5 +130,5 @@ to be validated against a real installation.
 Drag to rotate, scroll to zoom. Click the *Reset Camera* button (top-right
 inside the viewer) to recentre.
 
-<iframe src="funitel_peclet_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
+<iframe src="../funitel_peclet_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
 

docs/case_studies/london_ifs_cloud.md

@@ -135,5 +135,5 @@ behaviour a real PLA-approved design must exhibit.
 Drag to rotate, scroll to zoom. Click the *Reset Camera* button (top-right
 inside the viewer) to recentre.
 
-<iframe src="london_ifs_cloud_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
+<iframe src="../london_ifs_cloud_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
 

docs/case_studies/medellin_linea_k.md

@@ -143,5 +143,5 @@ feature — multi-waypoint urban routing works.
 Drag to rotate, scroll to zoom. Click the *Reset Camera* button (top-right
 inside the viewer) to recentre.
 
-<iframe src="medellin_linea_k_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
+<iframe src="../medellin_linea_k_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
 

docs/case_studies/mi_teleferico_linea_roja.md

@@ -173,5 +173,5 @@ The single hardest physics question — **how much altitude must the cable rise*
 Drag to rotate, scroll to zoom. Click the *Reset Camera* button (top-right
 inside the viewer) to recentre.
 
-<iframe src="mi_teleferico_linea_roja_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
+<iframe src="../mi_teleferico_linea_roja_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
 

docs/case_studies/ngong_ping_360.md

@@ -136,5 +136,5 @@ system's value lies — to cross the bay in as few towers as possible.
 Drag to rotate, scroll to zoom. Click the *Reset Camera* button (top-right
 inside the viewer) to recentre.
 
-<iframe src="ngong_ping_360_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
+<iframe src="../ngong_ping_360_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
 

docs/case_studies/portland_ohsu.md

@@ -146,5 +146,5 @@ closest cabin-capacity reproduction in the case-study set.
 Drag to rotate, scroll to zoom. Click the *Reset Camera* button (top-right
 inside the viewer) to recentre.
 
-<iframe src="portland_ohsu_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
+<iframe src="../portland_ohsu_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
 

docs/case_studies/roosevelt_island.md

@@ -147,5 +147,5 @@ discipline a real urban tramway over a public waterway must show.
 Drag to rotate, scroll to zoom. Click the *Reset Camera* button (top-right
 inside the viewer) to recentre.
 
-<iframe src="roosevelt_island_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
+<iframe src="../roosevelt_island_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
 

docs/case_studies/whistler_peak2peak.md

@@ -179,5 +179,5 @@ Within the system-spec band.
 Drag to rotate, scroll to zoom. Click the *Reset Camera* button (top-right
 inside the viewer) to recentre.
 
-<iframe src="whistler_peak2peak_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
+<iframe src="../whistler_peak2peak_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
 

docs/case_studies/whistler_peak_chair.md

@@ -132,5 +132,5 @@ the sixth and final catalogue archetype.
 Drag to rotate, scroll to zoom. Click the *Reset Camera* button (top-right
 inside the viewer) to recentre.
 
-<iframe src="whistler_peak_chair_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
+<iframe src="../whistler_peak_chair_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
 

docs/case_studies/zugspitze_eibsee.md

@@ -178,5 +178,5 @@ decision exactly.
 Drag to rotate, scroll to zoom. Click the *Reset Camera* button (top-right
 inside the viewer) to recentre.
 
-<iframe src="zugspitze_eibsee_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>
+<iframe src="../zugspitze_eibsee_outputs/twin.html" width="100%" height="600" style="border:1px solid #e0e0e0; border-radius:8px;"></iframe>