Initial commit: Clean DSS implementation

Migrated from design-system-swarm with fresh git history.
Old project history preserved in /home/overbits/apps/design-system-swarm

Core components:
- MCP Server (Python FastAPI with mcp 1.23.1)
- Claude Plugin (agents, commands, skills, strategies, hooks, core)
- DSS Backend (dss-mvp1 - token translation, Figma sync)
- Admin UI (Node.js/React)
- Server (Node.js/Express)
- Storybook integration (dss-mvp1/.storybook)

Self-contained configuration:
- All paths relative or use DSS_BASE_PATH=/home/overbits/dss
- PYTHONPATH configured for dss-mvp1 and dss-claude-plugin
- .env file with all configuration
- Claude plugin uses ${CLAUDE_PLUGIN_ROOT} for portability

Migration completed: $(date)
🤖 Clean migration with full functionality preserved

server/migrations/20251209000002-add-config-audit-log.js

@@ -0,0 +1,78 @@
+import { DataTypes } from 'sequelize';
+
+export default {
+  up: async (queryInterface) => {
+    const transaction = await queryInterface.sequelize.transaction();
+
+    try {
+      await queryInterface.createTable('config_audit_logs', {
+        id: {
+          type: DataTypes.UUID,
+          defaultValue: DataTypes.UUIDV4,
+          primaryKey: true
+        },
+        configId: {
+          type: DataTypes.UUID,
+          allowNull: false,
+          field: 'config_id',
+          references: {
+            model: 'config_settings',
+            key: 'id'
+          },
+          onDelete: 'CASCADE'
+        },
+        actorId: {
+          type: DataTypes.UUID,
+          allowNull: false,
+          field: 'actor_id',
+          references: {
+            model: 'users', // Note: User table name usually lowercase in Postgres if created via Sequelize defaults, or "Users" if strictly quoted
+            key: 'id'
+          }
+        },
+        action: {
+          type: DataTypes.ENUM('CREATE', 'UPDATE', 'DELETE'),
+          allowNull: false
+        },
+        previousValue: {
+          type: DataTypes.JSONB,
+          allowNull: true,
+          field: 'previous_value'
+        },
+        newValue: {
+          type: DataTypes.JSONB,
+          allowNull: true,
+          field: 'new_value'
+        },
+        createdAt: {
+          type: DataTypes.DATE,
+          allowNull: false,
+          defaultValue: DataTypes.NOW,
+          field: 'created_at'
+        }
+      }, { transaction });
+
+      // Add indexes for common query patterns
+      await queryInterface.addIndex('config_audit_logs', ['config_id'], { transaction });
+      await queryInterface.addIndex('config_audit_logs', ['actor_id'], { transaction });
+      await queryInterface.addIndex('config_audit_logs', ['created_at'], { transaction });
+
+      await transaction.commit();
+    } catch (err) {
+      await transaction.rollback();
+      throw err;
+    }
+  },
+
+  down: async (queryInterface) => {
+    const transaction = await queryInterface.sequelize.transaction();
+    try {
+      await queryInterface.dropTable('config_audit_logs', { transaction });
+      await queryInterface.sequelize.query('DROP TYPE IF EXISTS "enum_config_audit_logs_action";', { transaction });
+      await transaction.commit();
+    } catch (err) {
+      await transaction.rollback();
+      throw err;
+    }
+  }
+};