Fix: Move TypeScript to dependencies for Docker build

Move typescript from devDependencies to dependencies so it's
available in the Docker container during build.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Dockerfile

@@ -4,7 +4,7 @@ WORKDIR /app
 
 # Install dependencies
 COPY package*.json ./
-RUN npm ci --only=production
+RUN npm ci
 
 # Copy source and build
 COPY . .

package.json

@@ -16,13 +16,13 @@
   "dependencies": {
     "better-sqlite3": "^12.8.0",
     "discord.js": "^14.18.0",
-    "dotenv": "^16.4.7"
+    "dotenv": "^16.4.7",
+    "typescript": "^5.8.2"
   },
   "devDependencies": {
     "@types/better-sqlite3": "^7.6.13",
     "@types/node": "^22.13.9",
     "nodemon": "^3.1.9",
-    "ts-node": "^10.9.2",
-    "typescript": "^5.8.2"
+    "ts-node": "^10.9.2"
   }
 }