feat: Overhaul Docker infrastructure with multi-stage builds, add a cleanup script, and refactor the update service to combine update and requirement checks.

bot/commands/admin/update.ts

@@ -49,7 +49,7 @@ async function handleUpdate(interaction: any) {
     const force = interaction.options.getBoolean("force") || false;
 
     try {
-        // 1. Check for updates
+        // 1. Check for updates (now includes requirements in one call)
         await interaction.editReply({ embeds: [getCheckingEmbed()] });
         const updateInfo = await UpdateService.checkForUpdates();
 
@@ -60,8 +60,8 @@ async function handleUpdate(interaction: any) {
             return;
         }
 
-        // 2. Analyze requirements
-        const requirements = await UpdateService.checkUpdateRequirements(updateInfo.branch);
+        // 2. Extract requirements from the combined response
+        const { requirements } = updateInfo;
         const categories = UpdateService.categorizeChanges(requirements.changedFiles);
 
         // 3. Show confirmation with details