Web: apps/solvecraft-web (Trunk, eframe web runner, WebGPU or WebGL2), cargo xtask wasm in ci, web-time clocks

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL

xtask/src/layers.rs

@@ -48,6 +48,7 @@ pub const TABLE: &[(&str, Class)] = &[
     // apps and tooling
     ("solvecraft", Class::Exempt),
     ("cli", Class::Exempt),
+    ("web", Class::Exempt),
     ("xtask", Class::Exempt),
 ];