Add archive functionality: database schema, API endpoint, and helper functions

server/api/sermons/archive/[id].post.ts

@@ -0,0 +1,42 @@
+import { isAuthenticated } from '~/server/utils/auth'
+import { archiveSermon } from '~/server/utils/database'
+
+export default defineEventHandler(async (event) => {
+  // Check authentication
+  if (!isAuthenticated(event)) {
+    throw createError({
+      statusCode: 401,
+      message: 'Unauthorized'
+    })
+  }
+
+  const id = getRouterParam(event, 'id')
+  
+  if (!id) {
+    throw createError({
+      statusCode: 400,
+      message: 'Sermon ID is required'
+    })
+  }
+
+  try {
+    const result = archiveSermon(parseInt(id))
+    
+    if (result.changes === 0) {
+      throw createError({
+        statusCode: 404,
+        message: 'Sermon not found'
+      })
+    }
+
+    return {
+      success: true,
+      message: 'Sermon archived successfully'
+    }
+  } catch (error: any) {
+    throw createError({
+      statusCode: 500,
+      message: error.message || 'Failed to archive sermon'
+    })
+  }
+})