fix: add icons to update notification details

AppImage/scripts/notification_templates.py

@@ -2221,6 +2221,7 @@ FIELD_EMOJI = {
     'kernel_count': '\u2699\uFE0F',
     'important_list': '\U0001F4CB',  # clipboard
     'current_version': '\U0001F4E6',  # package \u2014 installed version
+    'new_version': '\U0001F195',      # NEW button \u2014 offered version
     'latest_version': '\U0001F195',   # NEW button \u2014 upstream version
     'kernel':       '\u2699\uFE0F',    # gear \u2014 running kernel
     'menu_label':   '\U0001F4D6',      # open book \u2014 menu navigation hint
@@ -2394,12 +2395,41 @@ def enrich_with_emojis(event_type: str, title: str, body: str,
     # Build enriched body: prepend field emojis to recognizable lines
     lines = preprocessed.split('\n')
     enriched_lines = []
+    app_update_is_single = (
+        not isinstance(data.get('updates'), list) or len(data['updates']) < 2
+    )
+    app_update_lead_added = False
+    app_update_version = None
+    if event_type == 'app_update_available' and app_update_is_single:
+        app_update_version = f"{data.get('installed', '')} → {data.get('latest', '')}".strip()
     
     for line in lines:
         stripped = line.strip()
         if not stripped:
             enriched_lines.append(line)
             continue
+
+        # App-update notifications deliberately use a compact, prose-like
+        # template rather than field labels. Keep their two structured lines
+        # as readable as other update notifications without depending on a
+        # translated phrase to recognize them.
+        if event_type == 'app_update_available' and app_update_is_single:
+            if not app_update_lead_added:
+                enriched_lines.append(f'📦 {stripped}')
+                app_update_lead_added = True
+                continue
+            if app_update_version and stripped == app_update_version:
+                enriched_lines.append(f'🔄 {stripped}')
+                continue
+
+        # The Proxmox VE detector emits the manager version as a concise,
+        # structured technical detail outside the localized template fields.
+        # Mark only that known detail; arbitrary detector text remains intact.
+        if event_type == 'pve_update' and re.match(
+            r'^pve-manager\s+\S+\s+(?:→|->)\s+\S+$', stripped,
+        ):
+            enriched_lines.append(f'🔧 {stripped}')
+            continue
         
         # First, check health-specific patterns
         health_enriched = False

AppImage/scripts/tests/test_notification_runtime_i18n.py

@@ -221,6 +221,47 @@ class RuntimeCatalogTests(unittest.TestCase):
         self.assertIn("📦 Kontajner repopulse-labs-test (CT 210) má 1 aktualizácií Docker:", enriched_body)
         self.assertIn("🐳 • Docker Engine: 29.8.0 → 29.8.1", enriched_body)
 
+    def test_app_and_proxmox_update_body_icons_cover_versions(self):
+        app_data = {
+            "hostname": "HomeLAB_1", "app_name": "Uptime Kuma", "vmid": "108",
+            "ct_name": "uptime-kuma", "installed": "2.5.4", "latest": "2.5.5",
+            "severity": "INFO", "_notification_language": "sk",
+        }
+        app = notification_templates.render_template(
+            "app_update_available", app_data, language="sk",
+        )
+        _title, app_body = notification_templates.enrich_with_emojis(
+            "app_update_available", app["title"], app["body"], app_data,
+        )
+        self.assertIn("📦 Aplikácia Uptime Kuma na CT 108 (uptime-kuma) má novú verziu:", app_body)
+        self.assertIn("🔄 2.5.4 → 2.5.5", app_body)
+
+        pve_data = {
+            "hostname": "HomeLAB_1", "current_version": "9.2.18",
+            "new_version": "9.2.20", "details": "pve-manager 9.2.18 → 9.2.20",
+            "severity": "INFO", "_notification_language": "sk",
+        }
+        pve = notification_templates.render_template("pve_update", pve_data, language="sk")
+        _title, pve_body = notification_templates.enrich_with_emojis(
+            "pve_update", pve["title"], pve["body"], pve_data,
+        )
+        self.assertIn("📦 Aktuálna: 9.2.18", pve_body)
+        self.assertIn("🆕 Nová: 9.2.20", pve_body)
+        self.assertIn("🔧 pve-manager 9.2.18 → 9.2.20", pve_body)
+
+        for language in self.RUNTIME_LANGUAGES:
+            locale_data = {**pve_data, "_notification_language": language}
+            locale = notification_templates.render_template(
+                "pve_update", locale_data, language=language,
+            )
+            _title, locale_body = notification_templates.enrich_with_emojis(
+                "pve_update", locale["title"], locale["body"], locale_data,
+            )
+            label = notification_templates._localized_template_labels(
+                "pve_update", language,
+            )["new_version"][0]
+            self.assertIn(f"🆕 {label}: 9.2.20", locale_body, language)
+
     def test_missing_slovak_key_falls_back_to_english(self):
         with tempfile.TemporaryDirectory() as directory:
             root = Path(directory)