Add dual canvas XYZBC and refined machine visualization

web/react/src/protocol.ts

@@ -159,6 +159,7 @@ export type PanelSnapshotV1 = {
     active_segment_id?: number | null;
     active_progress?: number;
     motion_trace?: Array<{ tick: number; pose: Record<string, number>; joints: number[]; active_segment_id: number; active_progress: number }>;
+    machine_model?: XyzacMachineModel;
     source: "wasm_canonical_motion";
   };
   authoritative: Record<string, unknown>;
@@ -169,6 +170,17 @@ export type PanelSnapshotV1 = {
   io?: Record<string, unknown>;
 };
 
+export type XyzacMachineModel = {
+  schema: "linuxcnc-vismach-model.v1";
+  id: string;
+  source: "linuxcnc-wasm-worker";
+  source_path: string;
+  source_hash: string | null;
+  coordinate_system: "XYZAC";
+  joints: string[];
+  components: string[];
+};
+
 export type Capabilities = {
   context_id?: string;
   abi?: Record<string, unknown>;