Login screen and api endpoint reorganization

resources/scripts/minify_html.sh

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+#
+# Minify a self-contained HTML file (with inlined <style> and <script>).
+#
+# Uses html-minifier-terser via `npx`, which runs it from npx's cache without
+# touching the repo's package.json / node_modules. The first invocation will
+# download the package; subsequent runs are instant.
+#
+# Usage:
+#     resources/scripts/minify_html.sh path/to/file.html
+#
+# Writes `path/to/file.min.html` next to the source.
+
+set -euo pipefail
+
+if [[ $# -ne 1 ]]; then
+    echo "usage: $(basename "$0") <file.html>" >&2
+    exit 1
+fi
+
+src="$1"
+
+if [[ ! -f "$src" ]]; then
+    echo "error: not a file: $src" >&2
+    exit 1
+fi
+
+if ! command -v npx >/dev/null 2>&1; then
+    echo "error: npx not found in PATH (install Node.js)" >&2
+    exit 1
+fi
+
+# login.html -> login.min.html
+dir=$(dirname -- "$src")
+base=$(basename -- "$src")
+stem="${base%.*}"
+ext="${base##*.}"
+dst="$dir/$stem.$ext.min"
+
+npx -y html-minifier-terser@latest \
+    --collapse-whitespace \
+    --conservative-collapse \
+    --remove-comments \
+    --minify-css true \
+    --minify-js true \
+    --decode-entities \
+    -o "$dst" \
+    "$src"
+
+before=$(wc -c < "$src" | tr -d ' ')
+after=$(wc -c < "$dst" | tr -d ' ')
+saved=$((before - after))
+pct=$(awk "BEGIN { printf \"%.1f\", ($saved / $before) * 100 }")
+
+echo "$src -> $dst"
+echo "  $before B -> $after B  ($saved B, $pct% smaller)"