feat(F-055): completed feature

project/scripts/generate-thumbnails.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+# Generate cached thumbnails (40px and 200px) for every uploaded product image.
+#
+# Pre-generates thumbnails in each app's public/uploads/thumbs/<size>/ directory
+# so Next.js serves them as static files with Cache-Control: public, max-age=31536000.
+#
+# Run after every upload, as part of sync_uploads in monolith.sh, or on demand.
+#
+# Usage:
+#   ./scripts/generate-thumbnails.sh
+
+set -euo pipefail
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
+
+# Find a node_modules that contains sharp
+SHARP_DIR=""
+for dir in "$PROJECT_DIR/apps/admin" "$PROJECT_DIR/frontend" "$PROJECT_DIR/storefront"; do
+  if [[ -d "$dir/node_modules/sharp" ]]; then
+    SHARP_DIR="$dir"
+    break
+  fi
+done
+
+if [[ -z "$SHARP_DIR" ]]; then
+  echo "[FAIL] sharp not found; install with: cd project/apps/admin && npm install sharp" >&2
+  exit 1
+fi
+
+cd "$SHARP_DIR"
+exec node "$SCRIPT_DIR/generate-thumbnails.mjs"