test(client): implant_pending visual scenario (#960)

Ad-hoc capture scenario that overlays the ImplantPending "generating" indicator
on the booted scene for visual sign-off — `tests/run-visual --screenshot
implant_pending`. No golden committed; this is an inspection scenario, not a
regression gate.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

client/tests/visual_scenarios.gd

@@ -93,6 +93,22 @@ func apply_setup(scenario_name: String, tree_root: Node) -> bool:
 			# player spawns at Hub (50,58). Captures real fog pipeline output.
 			pass
 
+		"implant_pending":
+			# #960: overlay the diegetic Layer-1 "generating" indicator for
+			# visual sign-off. Loaded via load() — class_name isn't available
+			# in -s mode (per this file's header note).
+			var pending_script: GDScript = load("res://ui/implant/implant_pending.gd")
+			var theme_res: Resource = load("res://ui/implant/default_implant.tres")
+			var layer := CanvasLayer.new()
+			layer.layer = 100
+			tree_root.add_child(layer)
+			var indicator: Control = pending_script.new()
+			indicator.name = "VisualImplantPending"
+			layer.add_child(indicator)
+			indicator.apply_implant_theme(theme_res)
+			indicator.position = Vector2(370.0, 240.0)  # centered at 960x540
+			indicator.start("GENERATING LAYER 1")
+
 		_:
 			push_warning("VisualScenarios: unknown scenario '%s'" % scenario_name)
 			return false

tests/visual.json

@@ -68,6 +68,10 @@
       "ticks": 10,
       "live": true,
       "description": "Live server: Hub spawn fog — real pipeline regression test"
+    },
+    "implant_pending": {
+      "ticks": 1,
+      "description": "ImplantPending — diegetic Layer-1 generating indicator (#960)"
     }
   },
   "flows": {