feat: add outlet direction (horizontal/vertical), wall light styles, floor textures, and stretch ceiling

- Add configurable outlet direction (horizontal/vertical) stored in metadata
- Add wall light style variants (classic, pendant-globe, sconce-up, sconce-down)
- Add PBR floor textures including natural oak
- Add stretch ceiling offset support with DB migration
- Add furniture surface texture selection
- Add canvas theme colors utility for dark mode support
- Update projection views with improved rendering
- Add EN and RU translations for all new properties

apps/client/public/locales/en/translation.json

@@ -149,6 +149,8 @@
   "toolbar.elec": "Elec",
   "toolbar.furn": "Furn",
   "toolbar.meas": "Meas",
+  "toolbar.stretchCeiling": "Ceiling",
+  "toolbar.toggleStretchCeiling": "Toggle stretch ceiling overlay",
   "toolbar.toggleGrid": "Toggle grid",
   "toolbar.toggleSnap": "Toggle snap",
   "toolbar.toggleWalls": "Toggle walls layer",
@@ -222,6 +224,7 @@
   "floor.WOOD_MEDIUM": "Medium Wood",
   "floor.WOOD_DARK": "Dark Wood",
   "floor.WOOD_HERRINGBONE": "Herringbone",
+  "floor.OAK_NATURAL": "Natural Oak",
   "floor.TILE_WHITE": "White Tile",
   "floor.TILE_GRAY": "Gray Tile",
   "floor.LAMINATE": "Laminate",
@@ -242,6 +245,28 @@
   "properties.outletWidth": "Outlet width",
   "properties.outletHeight": "Outlet height",
   "properties.outletCount": "Count",
+  "properties.outletDirectionLabel": "Direction",
+  "properties.outletDirection.horizontal": "Horizontal",
+  "properties.outletDirection.vertical": "Vertical",
+  "properties.stretchCeilingOffset": "Stretch ceiling drop",
+  "properties.wallLightStyleLabel": "Style",
+  "properties.wallLightStyle.classic": "Classic",
+  "properties.wallLightStyle.pendant-globe": "Pendant Globe",
+  "properties.wallLightStyle.sconce-up": "Sconce Up",
+  "properties.wallLightStyle.sconce-down": "Sconce Down",
+  "properties.cordLength": "Cord length",
+  "properties.lampSize": "Lamp size",
+  "properties.surfaceTexture": "Surface",
+  "furnitureTexture.NONE": "None (solid color)",
+  "furnitureTexture.WOOD_LIGHT": "Light Wood",
+  "furnitureTexture.WOOD_MEDIUM": "Medium Wood",
+  "furnitureTexture.WOOD_DARK": "Dark Wood",
+  "furnitureTexture.WOOD_HERRINGBONE": "Herringbone",
+  "furnitureTexture.OAK_NATURAL": "Natural Oak",
+  "furnitureTexture.LAMINATE": "Laminate",
+  "furnitureTexture.CONCRETE": "Concrete",
+  "properties.invertCoordX": "Invert X display",
+  "properties.invertCoordY": "Invert Y display",
   "properties.anchor": "Anchor",
   "anchor.left": "Left",
   "anchor.middle": "Middle",