fix(notifications): align active health and temperature payloads

Local source candidate; non-English temperature migration and rendered layout validation remain pending.

.github/scripts/run_offline_qualified.py

@@ -19,6 +19,7 @@ PYTHON_FILES = (
     "tests/test_audit_catalog.py",
     "tests/storage/test_nvme_status_message.py",
     "tests/test_fastfetch_config_generation.py",
+    "tests/test_notification_active_payloads.py",
 )
 NODE_FILES = (
     "tests/lxc_updates/test_docker_delegated_ui.cjs",

.github/scripts/tests/test_command_descriptions.py

@@ -122,6 +122,15 @@ class CommandDescriptionsTests(unittest.TestCase):
                         "temperatureIncomplete", "temperatureUnavailableCount",
                     ):
                         temporary["storage"].setdefault(key, catalog("en")["storage"][key])
+                    # The temperature alert fallback is new English-only runtime
+                    # text until locale migration. Seed only its four new keys
+                    # in this disposable steady-state catalog; shipped locales
+                    # remain unchanged and runtime fallback is tested separately.
+                    source_fallback = catalog("en")["runtime"]["notifications"]["fallback"]
+                    fallback = temporary["runtime"]["notifications"]["fallback"]
+                    for key in ("temperatureAlertTitle", "temperatureAlertBody",
+                                "recordedReason", "recordedDetails"):
+                        fallback.setdefault(key, source_fallback[key])
                     path.write_text(json.dumps(temporary, ensure_ascii=False))
                 # Model steady state after the bot fills these intentional new
                 # messages; keep repository locales and all other leaves intact.

.github/workflows/test-offline-qualified.yml

@@ -54,7 +54,7 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: '3.11'
-      - name: Run seven qualified Python files
+      - name: Run eight qualified Python files
         env:
           PYTHONDONTWRITEBYTECODE: '1'
         run: python3 -I -B .github/scripts/run_offline_qualified.py --lane python

AppImage/scripts/health_monitor.py

@@ -1503,10 +1503,10 @@ class HealthMonitor:
     
     def _check_cpu_temperature(self) -> Optional[Dict[str, Any]]:
         """
-        Check CPU temperature with temporal logic:
+        Check the maximum reported sensor temperature with temporal logic:
         - WARNING if temp >80°C sustained for >3 minutes
         - Auto-clears if temp ≤80°C for 30 seconds
-        - No dismiss button (non-dismissable)
+        - Recorded errors retain their current dismissable flag
         """
         cache_key = 'cpu_temp'
         current_time = time.time()
@@ -1574,15 +1574,19 @@ class HealthMonitor:
                     duration_str = f'{actual_minutes}m {actual_seconds}s' if actual_minutes > 0 else f'{actual_seconds}s'
                     
                     status = 'WARNING'
-                    reason = f'CPU temperature {max_temp}°C >80°C sustained for {duration_str}'
+                    reason = f'Sensor temperature {max_temp}°C >80°C; high samples span {duration_str}'
                     
-                    # Record non-dismissable error
+                    # Record the existing dismissable error contract
                     health_persistence.record_error(
                         error_key='cpu_temperature',
                         category='temperature',
                         severity='WARNING',
                         reason=reason,
-                        details={'temperature': max_temp, 'duration': actual_duration, 'dismissable': True}
+                        details={
+                            'temperature': max_temp, 'duration': actual_duration,
+                            'dismissable': True, 'value': max_temp, 'threshold': 80,
+                            'details': f'High samples span {duration_str}.',
+                        }
                     )
                 elif len(recovery_samples) >= 3:
                     # Temperature has been ≤80°C for 30 seconds - clear the error
@@ -1595,7 +1599,7 @@ class HealthMonitor:
                     if health_persistence.is_error_active('cpu_temperature', category='temperature'):
                         # Keep the warning active
                         status = 'WARNING'
-                        reason = f'CPU temperature {max_temp}°C still elevated'
+                        reason = f'Sensor temperature {max_temp}°C still elevated'
                     else:
                         # No active warning yet
                         status = 'OK'

AppImage/scripts/notification_templates.py

@@ -680,7 +680,7 @@ def _format_health_degraded(data: Dict[str, Any],
         return str(data.get('title') or ''), str(data.get('reason') or '')
 
     def category_label(item: Dict[str, Any]) -> str:
-        category = str(item.get('key') or '')
+        category = str(item.get('key') or item.get('cat_key') or '')
         return (
             runtime_message(f'healthDegraded.categories.{category}', language)
             or str(item.get('category') or category)
@@ -695,7 +695,7 @@ def _format_health_degraded(data: Dict[str, Any],
 
     def localized_reason(item: Dict[str, Any]) -> str:
         reason = str(item.get('reason') or '')
-        if str(item.get('key') or '') == 'cpu':
+        if str(item.get('key') or item.get('cat_key') or '') == 'cpu':
             match = _CPU_SUSTAINED_REASON.fullmatch(reason)
             if match:
                 return runtime_message(
@@ -1081,8 +1081,8 @@ TEMPLATES = {
         'default_enabled': True,
     },
     'temp_high': {
-        'title': '{hostname}: High CPU temperature — {value}°C',
-        'body': 'CPU temperature has reached {value}°C (threshold: {threshold}°C).\n{details}',
+        'title': '{hostname}: High sensor temperature — {value}°C',
+        'body': 'Sensor temperature has reached {value}°C (threshold: {threshold}°C).\n{details}',
         'label': 'High temperature',
         'group': 'resources',
         'default_enabled': True,
@@ -1885,6 +1885,38 @@ def render_template(event_type: str, data: Dict[str, Any],
     }
     variables.update(data)
 
+    # Old persisted errors and manual events may lack a complete reading.
+    # Accept plain numeric strings, but never interpret booleans or objects as
+    # measurements, nor display an infinite value or an overflowing integer.
+    if event_type == 'temp_high':
+        import math as _math
+        def finite_measurement(key):
+            raw = data.get(key)
+            if type(raw) not in (int, float, str):
+                return False
+            try:
+                return _math.isfinite(float(raw))
+            except (OverflowError, ValueError, TypeError):
+                return False
+
+        if not all(finite_measurement(key) for key in ('value', 'threshold')):
+            template['title'] = runtime_message(
+                'fallback.temperatureAlertTitle', language, hostname=variables['hostname'],
+            )
+            lines = [runtime_message('fallback.temperatureAlertBody', language)]
+            reason = data.get('reason')
+            details = data.get('details')
+            reason = reason.strip() if isinstance(reason, str) else ''
+            details = details.strip() if isinstance(details, str) else ''
+            if reason:
+                lines.append(runtime_message('fallback.recordedReason', language, reason=reason))
+            if details and details != reason:
+                lines.append(runtime_message('fallback.recordedDetails', language, details=details))
+            # Format the localized labels once; do not interpret braces in
+            # recorded raw text as template placeholders a second time.
+            variables['_temperature_fallback_body'] = '\n'.join(lines)
+            template['body'] = '{_temperature_fallback_body}'
+
     if event_type == 'lxc_update_applied' and isinstance(data.get('lxc_update'), dict):
         status = str(data['lxc_update'].get('status') or '')
         localized_status = runtime_message(f'lxcUpdate.status.{status}', language)

CONTRIBUTING.md

@@ -863,7 +863,8 @@ publication workflow and has read-only repository permissions.
 #### Qualified offline `tests/` CI lanes
 
 `.github/workflows/test-offline-qualified.yml` runs **only** the explicitly listed
-seven Python files and ten Node files in `.github/scripts/run_offline_qualified.py`.
+eight Python files (including the inert active-notification payload fixture) and ten
+Node files in `.github/scripts/run_offline_qualified.py`.
 Run the same allowlist locally from the root of a clean, disposable checkout
 with no `AppImage/node_modules`. Do not run this over a normal Monitor install:
 the commands refuse an existing directory, file, or symlink (including a

tests/test_notification_active_payloads.py

@@ -0,0 +1,326 @@
+"""Inert actual-function tests for active notification payloads; no app imports."""
+import ast
+import copy
+import html
+import json
+import math
+import re
+import sys
+import time
+import types
+import unittest
+from collections import defaultdict
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[1]
+SCRIPTS = ROOT / 'AppImage/scripts'
+MESSAGES = ROOT / 'AppImage/messages'
+
+
+def extracted(path, name, cls=None, namespace=None):
+    tree = ast.parse((SCRIPTS / path).read_text())
+    nodes = tree.body
+    if cls:
+        nodes = next(n for n in nodes if isinstance(n, ast.ClassDef) and n.name == cls).body
+    node = next(n for n in nodes if isinstance(n, ast.FunctionDef) and n.name == name)
+    # Never execute module code or decorators; no operational module imports.
+    node = copy.deepcopy(node)
+    node.decorator_list = []
+    scope = namespace if namespace is not None else {}
+    exec(compile(ast.fix_missing_locations(ast.Module(body=[node], type_ignores=[])),
+                 '<extracted ' + name + '>', 'exec'), scope)
+    return scope[name]
+
+
+def render_fixture(language='en', overlays=None):
+    catalogs = {lang: json.loads((MESSAGES / lang / 'common.json').read_text())['runtime']['notifications']
+                for lang in ('en', 'it')}
+    if overlays:
+        for lang, title, body in overlays:
+            catalogs[lang]['templates']['temp_high'].update(title=title, body=body)
+    def lookup(lang, key):
+        value = catalogs.get(lang, {})
+        for segment in key.split('.'):
+            value = value.get(segment) if isinstance(value, dict) else None
+        return value if isinstance(value, str) and value else None
+    def message(key, lang, **kw):
+        value = lookup(lang, key) or lookup('en', key) or ''
+        return value.format(**kw) if value else ''
+    src = ast.parse((SCRIPTS / 'notification_templates.py').read_text())
+    definition = next(n for n in src.body if isinstance(n, ast.Assign)
+                      and any(isinstance(t, ast.Name) and t.id == 'TEMPLATES' for t in n.targets))
+    templates = ast.literal_eval(definition.value)
+    cpu_pattern = next(n for n in src.body if isinstance(n, ast.Assign)
+                       and any(isinstance(t, ast.Name) and t.id == '_CPU_SUSTAINED_REASON'
+                               for t in n.targets))
+    assert isinstance(cpu_pattern.value, ast.Call)
+    assert isinstance(cpu_pattern.value.func, ast.Attribute) and cpu_pattern.value.func.attr == 'compile'
+    assert len(cpu_pattern.value.args) == 1
+    scope = {'TEMPLATES': templates, '_load_runtime_catalog': lambda lang: catalogs.get(lang, {}),
+             '_catalog_value': lambda cat, key: lookup(language if cat is catalogs.get(language) else 'en', key),
+             'runtime_message': message, '_get_hostname': lambda: 'node.example',
+             'time': time, 'html': html, 're': re, 'Dict': dict, 'Any': object, 'Tuple': tuple,
+             '_CPU_SUSTAINED_REASON': re.compile(ast.literal_eval(cpu_pattern.value.args[0]))}
+    extracted('notification_templates.py', '_format_health_degraded', namespace=scope)
+    render = extracted('notification_templates.py', 'render_template', namespace=scope)
+    return lambda kind, data: render(kind, data, language=language)
+
+
+def temperature_case(history, reading=89., active=False):
+    class Persistence:
+        emitted = []
+        resolved = []
+        def record_error(self, **kw): self.emitted.append(kw)
+        def is_error_active(self, *a, **kw): return active
+        def resolve_error(self, *a, **kw): self.resolved.append((a, kw))
+    db = Persistence()
+    env = {'time': types.SimpleNamespace(time=lambda: 100000),
+           'subprocess': types.SimpleNamespace(run=lambda *a, **kw: types.SimpleNamespace(
+               returncode=0, stdout=f'temp1_input: {reading:.3f}\ntemp2_input: 45.000\n')),
+           'health_persistence': db, 'Optional': __import__('typing').Optional,
+           'Dict': dict, 'Any': object}
+    check = extracted('health_monitor.py', '_check_cpu_temperature', 'HealthMonitor', env)
+    monitor = types.SimpleNamespace(last_check_times={}, cached_results={}, state_history=defaultdict(list))
+    monitor.state_history['cpu_temp_history'] = list(history)
+    result = check(monitor)
+    return result, db
+
+
+def produced_temperature():
+    result, db = temperature_case([
+        {'value': 89., 'time': 99900 + n * 5} for n in range(17)])
+    assert result['status'] == 'WARNING' and len(db.emitted) == 1
+    return db.emitted[0]
+
+
+def polled_event(entry):
+    raw_row = {'error_key': entry['error_key'], 'category': entry['category'],
+               'severity': entry['severity'], 'reason': entry['reason'],
+               'details': json.dumps(entry['details']), 'last_seen': '',
+               'first_seen': '', 'acknowledged': 0}
+    class Cursor:
+        def execute(self, *a): pass
+        def fetchall(self): return [raw_row]
+    class Connection:
+        def __enter__(self): return self
+        def __exit__(self, *a): return False
+        def cursor(self): return Cursor()
+    typing = __import__('typing')
+    get_active = extracted('health_persistence.py', 'get_active_errors', 'HealthPersistence',
+        {'json': json, 'Optional': typing.Optional, 'List': typing.List,
+         'Dict': typing.Dict, 'Any': typing.Any})
+    persisted = get_active(types.SimpleNamespace(_db_connection=lambda **kw: Connection()))
+    assert len(persisted) == 1 and persisted[0]['details'] == entry['details']
+    class Persistence:
+        def get_active_errors(self): return persisted
+    class Event:
+        def __init__(self, event_type, severity, data, **kw):
+            self.event_type, self.severity, self.data = event_type, severity, data
+    q = types.SimpleNamespace(items=[], put=lambda event: q.items.append(event))
+    tree = ast.parse((SCRIPTS / 'notification_events.py').read_text())
+    cls = next(n for n in tree.body if isinstance(n, ast.ClassDef) and n.name == 'PollingCollector')
+    maps = {target.id: ast.literal_eval(n.value) for n in cls.body if isinstance(n, ast.Assign)
+            for target in n.targets if isinstance(target, ast.Name) and target.id in
+            ('_CATEGORY_TO_EVENT_TYPE', '_ENTITY_MAP', '_CATEGORY_COOLDOWNS')}
+    collector = types.SimpleNamespace(_CATEGORY_TO_EVENT_TYPE=maps['_CATEGORY_TO_EVENT_TYPE'],
+        _ENTITY_MAP=maps['_ENTITY_MAP'], _CATEGORY_COOLDOWNS=maps['_CATEGORY_COOLDOWNS'],
+        DIGEST_INTERVAL=86400, SAME_ERROR_COOLDOWN=86400, _queue=q, _hostname='node.example',
+        _first_poll_done=True, _known_errors={}, _last_notified={}, _notified_severity={},
+        _is_usb_cache={}, _get_cooldown_from_db=lambda _: None,
+        _persist_last_notified=lambda *a: None, _save_known_errors_meta=lambda: None)
+    old = sys.modules.get('health_persistence')
+    sys.modules['health_persistence'] = types.SimpleNamespace(health_persistence=Persistence())
+    try:
+        poll = extracted('notification_events.py', '_check_persistent_health', 'PollingCollector',
+            {'time': types.SimpleNamespace(time=lambda: 100000), 'json': json,
+             'startup_grace': types.SimpleNamespace(should_suppress_category=lambda _: False),
+             'NotificationEvent': Event, 'Dict': dict})
+        poll(collector)
+    finally:
+        if old is None: sys.modules.pop('health_persistence', None)
+        else: sys.modules['health_persistence'] = old
+    assert len(q.items) == 1
+    return q.items[0]
+
+
+class ActivePayloadTests(unittest.TestCase):
+    def test_temperature_sampling_boundaries_and_recovery_policy(self):
+        # These characterize the existing threshold/guard, not new policy.
+        highs = [{'value': 89., 'time': 99900 + n * 5} for n in range(17)]
+        below, db = temperature_case(highs[:-1])  # current sample makes 17
+        self.assertEqual(below['status'], 'OK')
+        self.assertEqual((db.emitted, db.resolved), ([], []))
+        warning, db = temperature_case(highs)  # current sample makes 18
+        self.assertEqual(warning['status'], 'WARNING')
+        self.assertEqual(len(db.emitted), 1)
+        self.assertEqual(db.emitted[0]['details']['duration'], 100)
+        self.assertEqual((db.emitted[0]['category'], db.emitted[0]['severity'],
+                          db.emitted[0]['details']['dismissable']), ('temperature', 'WARNING', True))
+        low = [{'value': 79., 'time': t} for t in (99980, 99990)]
+        pending, db = temperature_case(low[:1], reading=79., active=True)
+        self.assertEqual(pending['status'], 'WARNING')
+        self.assertEqual((db.emitted, db.resolved), ([], []))
+        recovered, db = temperature_case(low, reading=79., active=True)
+        self.assertEqual(recovered['status'], 'OK')
+        self.assertEqual(db.emitted, [])
+        self.assertEqual(db.resolved[0][0][0], 'cpu_temperature')
+
+    def test_temperature_record_queue_and_english_render_use_measured_sensor(self):
+        record = produced_temperature()
+        self.assertIn('sensor', record['reason'].lower())
+        self.assertEqual(record['details']['temperature'], 89.)
+        self.assertTrue(record['details']['dismissable'])
+        event = polled_event(record)
+        self.assertEqual((event.event_type, event.severity), ('temp_high', 'WARNING'))
+        self.assertEqual(event.data['value'], 89.)
+        self.assertEqual(event.data['threshold'], 80)
+        self.assertEqual(event.data['duration'], record['details']['duration'])
+        self.assertIn('High samples span', event.data['details'])
+        rendered = render_fixture()('temp_high', event.data)
+        self.assertIn('sensor temperature', rendered['title'].lower())
+        self.assertIn('89', rendered['title'])
+        self.assertIn('80', rendered['body'])
+        self.assertNotIn('CPU', rendered['title'] + rendered['body'])
+
+    def test_missing_temperature_measurement_never_renders_blank_celsius_claim(self):
+        event = polled_event({'error_key': 'cpu_temperature', 'category': 'temperature',
+                              'severity': 'WARNING', 'reason': 'legacy raw reason',
+                              'details': {'duration': 90}})
+        for lang in ('en', 'it'):
+            out = render_fixture(lang)('temp_high', event.data)
+            self.assertNotIn('°C', out['title'] + out['body'])
+            self.assertNotIn('CPU', out['title'] + out['body'])
+            self.assertIn('temperature', (out['title'] + out['body']).lower())
+
+    def test_nonfinite_temperature_payload_is_not_presented_as_a_reading(self):
+        render = render_fixture()
+        for value, threshold in ((math.nan, 80), (math.inf, 80), (89, math.inf),
+                                 (True, 80), (10**400, 80), (89, 10**400)):
+            with self.subTest(value=value, threshold=threshold):
+                out = render('temp_high', {'value': value, 'threshold': threshold})
+                self.assertNotIn('°C', out['title'] + out['body'])
+
+    def test_numeric_strings_from_manual_payloads_retain_finite_readings(self):
+        out = render_fixture()('temp_high', {'value': '89.0', 'threshold': '80'})
+        self.assertIn('89.0°C', out['title'])
+        self.assertIn('80°C', out['body'])
+        for bad in ('', 'NaN', 'Infinity', '1e999', 'eighty', '  ', object()):
+            with self.subTest(value=repr(bad)):
+                out = render_fixture()('temp_high', {'value': bad, 'threshold': '80'})
+                self.assertNotIn('°C', out['title'] + out['body'])
+
+    def test_incomplete_measurement_preserves_recorded_context_once(self):
+        render = render_fixture()
+        for data, fragments in (
+            ({'reason': 'CPU temperature 89°C >80°C sustained for 2m'},
+             ('Recorded reason: CPU temperature 89°C >80°C sustained for 2m',)),
+            ({'value': 89, 'details': 'High samples span 2m.'},
+             ('Recorded details: High samples span 2m.',)),
+            ({'value': 89, 'reason': 'old raw text', 'details': 'old raw text'},
+             ('Recorded reason: old raw text',)),
+        ):
+            with self.subTest(data=data):
+                out = render('temp_high', data)
+                self.assertNotIn('°C', out['title'] + out['body'].split('\n')[0])
+                self.assertIn('without a complete measurement', out['body'])
+                for fragment in fragments:
+                    self.assertIn(fragment, out['body'])
+                if data.get('reason') == data.get('details'):
+                    self.assertEqual(out['body'].count('old raw text'), 1)
+        self.assertNotIn('Recorded', render('temp_high', {})['body'])
+
+    def test_incomplete_measurement_keeps_literal_braces_in_raw_context(self):
+        out = render_fixture()('temp_high', {
+            'reason': 'legacy {value} at {unknown}', 'details': 'sensor {threshold}',
+        })
+        self.assertIn('Recorded reason: legacy {value} at {unknown}', out['body'])
+        self.assertIn('Recorded details: sensor {threshold}', out['body'])
+
+    def test_shipped_italian_stale_override_and_isolated_locale_overlay(self):
+        event = polled_event(produced_temperature())
+        shipped = render_fixture('it')('temp_high', event.data)
+        self.assertIn('CPU', shipped['title'] + shipped['body'])  # delivery gate, not a pass
+        overlay = render_fixture('it', overlays=[('it',
+            '{hostname}: temperatura elevata del sensore — {value}°C',
+            'La temperatura del sensore ha raggiunto {value}°C (soglia: {threshold}°C).\n{details}')])
+        proposed = overlay('temp_high', event.data)
+        self.assertNotIn('CPU', proposed['title'] + proposed['body'])
+        self.assertIn('89', proposed['title'])
+        self.assertIn('80', proposed['body'])
+
+    def test_collector_schema_categories_and_cpu_reason_are_localized(self):
+        # Execute actual collector-to-formatter path against inert per-cycle inputs.
+        class Stop(Exception): pass
+        class Clock:
+            count = 0
+            def time(self): return 1.
+            def sleep(self, _):
+                self.count += 1
+                if self.count > 1: raise Stop
+        class Manager:
+            _enabled = True
+            _config = {}
+            events = []
+            def is_event_enabled(self, *_): return True
+            def emit_event(self, **kw): self.events.append(kw)
+        manager = Manager()
+        scope = {'notification_manager': manager, 'time': Clock(),
+                 'startup_grace': types.SimpleNamespace(should_suppress_category=lambda *_: False),
+                 '_capture_health_journal_context': lambda *_: '',
+                 'resolve_notification_hostname': lambda name, *_: name,
+                 'health_monitor': types.SimpleNamespace(get_detailed_status=lambda: {
+                     'hostname': 'node.example', 'details': {'cpu': {'status': 'WARNING',
+                         'reason': 'CPU >85% sustained for 300s'}}, 'overall': 'WARNING', 'summary': 'x'},
+                     cached_results={}, last_check_times={})}
+        # Remove only infrastructure imports from the extracted function.
+        tree = ast.parse((SCRIPTS / 'flask_server.py').read_text())
+        fn = copy.deepcopy(next(n for n in tree.body if isinstance(n, ast.FunctionDef) and n.name == '_health_collector_loop'))
+        for node in ast.walk(fn):
+            for field, value in ast.iter_fields(node):
+                if isinstance(value, list):
+                    setattr(node, field, [child for child in value if not (
+                        isinstance(child, ast.ImportFrom) and child.module == 'health_monitor'
+                        or isinstance(child, ast.Import) and any(a.name == 'startup_grace' for a in child.names))])
+        exec(compile(ast.fix_missing_locations(ast.Module(body=[fn], type_ignores=[])), '<collector>', 'exec'), scope)
+        with self.assertRaises(Stop): scope['_health_collector_loop']()
+        self.assertEqual(len(manager.events), 1)
+        payload = manager.events[0]['data']
+        item = payload['health_degraded']['categories'][0]
+        self.assertEqual(item['cat_key'], 'cpu')
+        out = render_fixture('it')('health_degraded', {**payload, 'severity': 'WARNING'})
+        self.assertIn('Utilizzo e temperatura della CPU', out['title'])
+        self.assertEqual(out['body'], 'La CPU è superiore al 85% per 300s.')
+
+    def test_legacy_key_and_unknown_reason_remain_honest(self):
+        render = render_fixture('it')
+        def payload(item):
+            return {'hostname': 'node.example', 'health_degraded': {'categories': [item]}}
+        legacy = render('health_degraded', payload({'key': 'cpu', 'status': 'WARNING',
+                  'reason': 'CPU >85% sustained for 300s'}))
+        self.assertIn('Utilizzo e temperatura della CPU', legacy['title'])
+        self.assertIn('La CPU', legacy['body'])
+        raw = render('health_degraded', payload({'cat_key': 'services', 'category': 'PVE Services',
+                     'status': 'CRITICAL', 'reason': 'Services inactive: pvedaemon', 'entity': 'pvedaemon'}))
+        self.assertIn('Servizi PVE', raw['title'])
+        self.assertIn('pvedaemon', raw['title'])
+        self.assertEqual(raw['body'], 'Services inactive: pvedaemon')
+        unknown = render('health_degraded', payload({'cat_key': 'other', 'category': 'External category',
+                         'reason': 'raw unknown', 'status': 'WARNING'}))
+        self.assertIn('External category', unknown['title'])
+        self.assertEqual(unknown['body'], 'raw unknown')
+
+        conflicting = render('health_degraded', payload({'key': 'memory', 'cat_key': 'cpu',
+            'status': 'WARNING', 'reason': 'CPU >85% sustained for 300s'}))
+        self.assertIn('Memoria e scambio', conflicting['title'])
+        self.assertEqual(conflicting['body'], 'CPU >85% sustained for 300s')
+        multi = render('health_degraded', {'hostname': 'node.example',
+            'health_degraded': {'categories': [
+                {'cat_key': 'cpu', 'status': 'WARNING', 'reason': 'CPU >85% sustained for 300s'},
+                {'cat_key': 'services', 'status': 'CRITICAL', 'reason': 'Services inactive: pvedaemon'}]}})
+        self.assertIn('Utilizzo e temperatura della CPU', multi['body'])
+        self.assertIn('Servizi PVE', multi['body'])
+        self.assertIn('Services inactive: pvedaemon', multi['body'])
+
+
+if __name__ == '__main__':
+    unittest.main()