Strip core to render data and render graphs

Move glTF, picking, camera controls, and conventional handles into addons. Keep camera and material mutations in SIMD-aligned shared SOA rows and synchronize material updates directly into GPU buffers.

Amp-Thread-ID: https://ampcode.com/threads/T-01a01380-b478-77d0-84a0-102880a5c5ae
Co-authored-by: Heaust Azure <heaust.azure@gmail.com>

examples/cookbook/08-compile-and-switch.js

@@ -11,9 +11,3 @@ export async function compileAndSwitch(core, graph) {
     throw error;
   }
 }
-
-/** Return to clear-only mode before releasing an active compiled loadout. */
-export async function dropActiveGraph(core, compiled) {
-  await core.switchToImmediate();
-  await core.dropCompiledGraph(compiled.compiledId);
-}