feat: add synclaude, Claude Code on synthetic.new

Binds the opus/sonnet/haiku aliases to Kimi K3, GLM-5.2 and Qwen3.6 so
they can be swapped mid-session, and registers the wrapper as an aoe agent.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

home/common/programs/claude/default.nix

@@ -12,7 +12,10 @@ let
   };
 in
 {
-  imports = [ inputs.agent-skills.homeModules.default ];
+  imports = [
+    inputs.agent-skills.homeModules.default
+    ./synthetic.nix
+  ];
 
   # Shared UI-scale knob for the Electron AI desktop apps (Claude Desktop, T3 Code).
   # Set per-host (e.g. konishi's 4K@1x monitors want ~"1.5"); null = native scale.