feat: batch NPC import, ally/enemy gen, map sync, UI shortcuts

- batch NPC creator: import images from dir → actors (dedup, folder)
- ally/enemy generator: data tables, D66 specials, tests (39 pass)
- sector map sync: DialogV2 player view, socket v13/v14, sync click pos
- actor/scene directory: shortcut buttons (Commerce, PNJ, Map, Sync vue)
- closeImagePopout: GM closes player portraits via socket
- canvasSync: force same canvas view on all players
- FilePicker: v14 folder picker support with v13 fallback
- cleanup: debug logs, template dedup, return guards

styles/npc.css

@@ -414,6 +414,14 @@ button.btn-calculate:hover,
   flex-shrink: 0;
 }
 
+.mgt2-sector-map-toolbar--ro {
+  justify-content: center;
+  gap: 8px;
+  padding: 6px 12px;
+  background: #1e2833;
+  border-bottom: 1px solid #5f7a99;
+}
+
 .mgt2-sector-map-label {
   color: #d9b24c;
   font-weight: bold;
@@ -508,7 +516,6 @@ button.btn-calculate:hover,
   font-size: 0.9em;
 }
 
-.mgt2-sector-map-share,
 .mgt2-sector-map-sync,
 .mgt2-sector-map-travel {
   background: #c9a227;
@@ -522,7 +529,6 @@ button.btn-calculate:hover,
   flex-shrink: 0;
 }
 
-.mgt2-sector-map-share:hover,
 .mgt2-sector-map-sync:hover,
 .mgt2-sector-map-travel:hover {
   background: #d9b24c;
@@ -766,10 +772,6 @@ button.btn-calculate:hover,
   color: #222;
 }
 
-.mgt2-shared-map .mgt2-sector-map-share {
-  display: none;
-}
-
 .mgt2-shared-map-image {
   line-height: 0;
 }