feat: Add DSS infrastructure, remove legacy admin-ui code

- Remove legacy admin-ui/js/ vanilla JS components
- Add .dss/ directory with core tokens, skins, themes
- Add Storybook configuration and generated stories
- Add DSS management scripts (dss-services, dss-init, dss-setup, dss-reset)
- Add MCP command definitions for DSS plugin
- Add Figma sync architecture and scripts
- Update pre-commit hooks with documentation validation
- Fix JSON trailing commas in skin files

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

scripts/setup-mcp.sh

@@ -1,27 +0,0 @@
-#!/bin/bash
-# Generate .mcp.json with absolute paths for current setup
-
-DSS_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
-
-cat > "$DSS_ROOT/.mcp.json" << EOF
-{
-  "\$schema": "https://raw.githubusercontent.com/anthropics/claude-code/main/schemas/mcp-servers.schema.json",
-  "mcpServers": {
-    "dss": {
-      "command": "$DSS_ROOT/venv/bin/python3",
-      "args": ["$DSS_ROOT/dss-claude-plugin/servers/dss-mcp-server.py"],
-      "env": {
-        "PYTHONPATH": "$DSS_ROOT:$DSS_ROOT/dss-claude-plugin",
-        "DSS_HOME": "$DSS_ROOT/.dss",
-        "DSS_DATABASE": "$DSS_ROOT/.dss/dss.db",
-        "DSS_CACHE": "$DSS_ROOT/.dss/cache",
-        "DSS_BASE_PATH": "$DSS_ROOT"
-      },
-      "description": "Design System Server MCP - local development"
-    }
-  }
-}
-EOF
-
-echo "Generated .mcp.json for: $DSS_ROOT"
-echo "Restart Claude Code to load the DSS MCP server."