chore: roll up in-progress changes across plugins

- claude-design: scaffold new plugin (plugin.json, CHANGELOG, README)
- llm-security: playground design-system updates (tokens, components,
  tier3 supplement, new tier4 project-view CSS)
- ms-ai-architect: v2 mockup screenshots + local screenshot script
- voyage: annotate.mjs update

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

plugins/claude-design/.claude-plugin/plugin.json

@@ -0,0 +1,18 @@
+{
+  "name": "claude-design",
+  "version": "0.1.0-pre",
+  "description": "Claude Design expertise — facilitates the full prompt-to-artifact workflow on claude.ai/design. Skills, agents, and commands to be defined via Voyage pipeline.",
+  "author": {
+    "name": "Kjell Tore Guttormsen"
+  },
+  "auto_discover": true,
+  "license": "MIT",
+  "repository": "https://git.fromaitochitta.com/open/ktg-plugin-marketplace",
+  "keywords": [
+    "claude-design",
+    "claude-ai",
+    "prompt-engineering",
+    "artifacts",
+    "design"
+  ]
+}