data(assets): promote the four spike GLBs — first production environment assets (T-1204)

table_baroque, chair_modernist, desk_scifi (furniture, with mask
sidecars) and lion_statue (props, non-tintable) enter
client/assets/models/ under the category-first convention, byte-
identical to the spike sources (MD5-verified; spikes/ untouched,
vw_beetle excluded per the Q-067 deferral). Postprocess verified
already-applied by Blender node-graph inspection (mat_primary,
roughness=1.0/specular=0.0 shader inputs — the convenience properties
read stale defaults, the graph is authoritative), so not re-run. All
four registered in manifest.json at 'planned' with footprint_tiles
[1,1] (a flagged judgment call — normalized spike geometry erases
real-world scale; the brief ruling goes to araminta in review).
In-engine proof: clean headless import + ResourceLoader load +
instantiate for all four. Discovery documented in conventions.md §2 +
glb-gen SKILL.md: Godot externalizes the GLB's embedded texture as a
<model>_Image_0.png sidecar referenced by binary UID — it must be
committed or loading breaks with an undiscoverable dependency error.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

client/assets/models/manifest.json

@@ -19,6 +19,39 @@
       "mask": "furniture/table_baroque_mask.png"
     }
   },
-  "furniture": {},
-  "props": {}
+  "furniture": {
+    "table_baroque": {
+      "category": "furniture",
+      "source_model": "furniture/table_baroque.glb",
+      "subdirectory": "furniture",
+      "status": "planned",
+      "footprint_tiles": [1, 1],
+      "mask": "furniture/table_baroque_mask.png"
+    },
+    "chair_modernist": {
+      "category": "furniture",
+      "source_model": "furniture/chair_modernist.glb",
+      "subdirectory": "furniture",
+      "status": "planned",
+      "footprint_tiles": [1, 1],
+      "mask": "furniture/chair_modernist_mask.png"
+    },
+    "desk_scifi": {
+      "category": "furniture",
+      "source_model": "furniture/desk_scifi.glb",
+      "subdirectory": "furniture",
+      "status": "planned",
+      "footprint_tiles": [1, 1],
+      "mask": "furniture/desk_scifi_mask.png"
+    }
+  },
+  "props": {
+    "lion_statue": {
+      "category": "props",
+      "source_model": "props/lion_statue.glb",
+      "subdirectory": "props",
+      "status": "planned",
+      "footprint_tiles": [1, 1]
+    }
+  }
 }