ci: fix frontend build outside pnpm workspace

Frontend not in pnpm workspace (uses bun.lock locally), so build it
directly with pnpm install + build in its own directory.

.gitea/workflows/deploy.yml

@@ -55,7 +55,10 @@ jobs:
         run: pnpm run build:discord-gateway
 
       - name: Build frontend
-        run: pnpm run build:web
+        run: |
+          pnpm install --no-frozen-lockfile
+          pnpm run build
+        working-directory: services/frontend
 
       - name: Prepare production environment file
         env:

package.json

@@ -7,9 +7,9 @@
   "scripts": {
     "dev:backend": "pnpm --filter './services/backend' run dev",
     "dev:discord-gateway": "pnpm --filter './services/discord-gateway' run dev",
-    "dev:web": "pnpm --filter './services/frontend' run dev",
-    "build:web": "pnpm --filter './services/frontend' run build",
-    "typecheck:web": "cd services/frontend && bun run build",
+    "dev:web": "cd services/frontend && pnpm run dev",
+    "build:web": "cd services/frontend && pnpm run build",
+    "typecheck:web": "cd services/frontend && pnpm run build",
     "build:backend": "pnpm --filter './services/backend' run build",
     "build:discord-gateway": "pnpm --filter './services/discord-gateway' run build",
     "typecheck": "pnpm -r run typecheck",