feat(web): switch to implementation-first capability wave

web/protocol/web-engine.ts

@@ -9,6 +9,7 @@ import type { LODManifest } from "./simplify";
 import type { DepsgraphEvaluationIR } from "./depsgraph";
 import type { SculptMeshAttributesIR, SculptStrokeIR } from "./sculpt";
 import type { GeometryNodeGraphIR } from "./geometry-nodes";
+import type { PhysicsSimulationManifestIR } from "./physics-simulation";
 import type { ShaderGraphIR } from "./shader-graph";
 import type { ShaderCompileReport } from "./shader-compiler";
 import type { NlaMoveStripCommand, NlaTrackIR } from "./nla";
@@ -141,6 +142,7 @@ export type WebEngineEditCommand =
   | { type: "sculptStroke"; stroke: SculptStrokeIR }
   | { type: "setSculptMeshAttributes"; attributes: SculptMeshAttributesIR }
   | { type: "setGeometryNodeGraph"; meshId: string; graph: GeometryNodeGraphIR }
+  | { type: "setPhysicsSimulation"; manifest: PhysicsSimulationManifestIR }
   | { type: "setShaderGraph"; materialId: string; graph: ShaderGraphIR }
   | { type: "setNLAStack"; objectId: string; tracks: NlaTrackIR[]; baseRevision?: number }
   | NlaMoveStripCommand