feat: Add local DSS MCP server configuration

Configure dss-claude-plugin as local MCP server with:
- Absolute paths for reliability
- Uses project venv Python
- DSS runtime with boundary enforcement

Restart Claude Code to load the DSS MCP.

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.mcp.json

@@ -0,0 +1,17 @@
+{
+  "$schema": "https://raw.githubusercontent.com/anthropics/claude-code/main/schemas/mcp-servers.schema.json",
+  "mcpServers": {
+    "dss": {
+      "command": "/Users/bsarlo/Documents/SoFi/dss/venv/bin/python3",
+      "args": ["/Users/bsarlo/Documents/SoFi/dss/dss-claude-plugin/servers/dss-mcp-server.py"],
+      "env": {
+        "PYTHONPATH": "/Users/bsarlo/Documents/SoFi/dss:/Users/bsarlo/Documents/SoFi/dss/dss-claude-plugin",
+        "DSS_HOME": "/Users/bsarlo/Documents/SoFi/dss/.dss",
+        "DSS_DATABASE": "/Users/bsarlo/Documents/SoFi/dss/.dss/dss.db",
+        "DSS_CACHE": "/Users/bsarlo/Documents/SoFi/dss/.dss/cache",
+        "DSS_BASE_PATH": "/Users/bsarlo/Documents/SoFi/dss"
+      },
+      "description": "Design System Server MCP - local development"
+    }
+  }
+}