perf(deploy): keep .next/cache while clearing stale generated types

Nuclear src replace already guarantees clean sources; restoring the build cache speeds deploys without reintroducing sticky typecheck ghosts.

Co-authored-by: Cursor <[email protected]>

.gitea/workflows/deploy.yaml

@@ -88,8 +88,9 @@ jobs:
           rm -f tsconfig.tsbuildinfo .tsbuildinfo
           find . -maxdepth 3 -name '*.tsbuildinfo' -delete 2>/dev/null || true
 
-          # Wipe .next entirely — partial cache has disagreed with clean sources.
-          rm -rf .output dist .next
+          # Clear generated Next types/dev dirs, but keep .next/cache for faster rebuilds.
+          # Full src/ nuclear replace above already guarantees sources match HEAD.
+          rm -rf .output dist .next/types .next/dev
 
           # Release tag for Sentry / logs (short git sha)
           export APP_VERSION="$(git rev-parse --short HEAD)"