cahnges to the release process

update.sh

@@ -223,6 +223,41 @@ print(data.get('tag_name', '').strip())
 PY
 }
 
+strip_prerelease_suffix() {
+    local tag="$1"
+    python3 - <<'PY' "$tag"
+import re, sys
+tag = sys.argv[1].strip()
+match = re.match(r'^(v\d+\.\d+\.\d+)', tag)
+print(match.group(1) if match else tag)
+PY
+}
+
+compare_semver_tags() {
+    local left_tag="$1"
+    local right_tag="$2"
+    python3 - <<'PY' "$left_tag" "$right_tag"
+import re, sys
+
+def parse(tag):
+    match = re.match(r'^v(\d+)\.(\d+)\.(\d+)', tag.strip())
+    if not match:
+        return None
+    return tuple(int(part) for part in match.groups())
+
+left = parse(sys.argv[1])
+right = parse(sys.argv[2])
+if left is None or right is None:
+    print('unknown')
+elif left > right:
+    print('gt')
+elif left < right:
+    print('lt')
+else:
+    print('eq')
+PY
+}
+
 parse_prerelease_flag() {
     local meta_file="$1"
     python3 - <<'PY' "$meta_file"
@@ -460,28 +495,58 @@ main() {
     # If user requested a development install, deploy the latest prerelease.
     if [ "$MODE" = "development" ]; then
         log_message "Requested development install"
-        local tag meta_file releases_file bundle_url app_image compose_path
+        local tag meta_file releases_file stable_meta_file stable_tag prerelease_tag prerelease_base_tag bundle_url app_image compose_path
         local tmp_dir
 
         tmp_dir="$(mktemp -d)"
         meta_file="$tmp_dir/prerelease.json"
+        stable_meta_file="$tmp_dir/stable.json"
         releases_file="$tmp_dir/releases.json"
         trap 'rm -rf "${tmp_dir:-}"' EXIT
 
-        if ! latest_prerelease "$meta_file" "$releases_file"; then
-            log_message "ERROR: Could not find a prerelease in Gitea"
+        if ! fetch_release_metadata "$stable_meta_file" "latest"; then
+            log_message "ERROR: Could not fetch latest stable release metadata"
             exit 1
         fi
 
-        tag="$(parse_release_tag "$meta_file")"
-        if [ -z "$tag" ]; then
-            log_message "ERROR: Could not determine prerelease tag"
+        stable_tag="$(parse_release_tag "$stable_meta_file")"
+        if [ -z "$stable_tag" ]; then
+            log_message "ERROR: Could not determine latest stable release tag"
             exit 1
         fi
 
+        if latest_prerelease "$meta_file" "$releases_file"; then
+            prerelease_tag="$(parse_release_tag "$meta_file")"
+            prerelease_base_tag="$(strip_prerelease_suffix "$prerelease_tag")"
+        else
+            prerelease_tag=""
+            prerelease_base_tag=""
+        fi
+
+        if [ -n "$prerelease_tag" ]; then
+            case "$(compare_semver_tags "$stable_tag" "$prerelease_base_tag")" in
+                gt|eq)
+                    log_message "Latest stable release ($stable_tag) supersedes prerelease ($prerelease_tag); using stable release"
+                    tag="$stable_tag"
+                    meta_file="$stable_meta_file"
+                    ;;
+                lt)
+                    tag="$prerelease_tag"
+                    ;;
+                *)
+                    log_message "WARNING: Could not compare stable and prerelease versions; preferring prerelease when available"
+                    tag="$prerelease_tag"
+                    ;;
+            esac
+        else
+            log_message "No prerelease found; falling back to stable release $stable_tag"
+            tag="$stable_tag"
+            meta_file="$stable_meta_file"
+        fi
+
         bundle_url="$(fetch_latest_release_bundle "$meta_file")"
         if [ -z "$bundle_url" ]; then
-            log_message "ERROR: Prerelease asset not found: $BUNDLE_ASSET"
+            log_message "ERROR: Release asset not found: $BUNDLE_ASSET"
             exit 1
         fi