feat(diagnostics): add health engine

src/app/i18n/en.ts

@@ -468,4 +468,93 @@ export const en: Translations = {
     compareSize: 'Size',
     compareUnknown: 'unknown',
   },
+  diagnostics: {
+    title: 'Marketplace Diagnostics',
+    disabledTitle: 'Diagnostics unavailable',
+    disabledDescription: 'Diagnostics page is available only in development mode.',
+    generatedAt: 'Generated at {{value}}',
+    healthScore: 'Health score',
+    summary: 'Summary',
+    passedChecks: '{{count}} passed checks',
+    warnings: '{{count}} warnings',
+    errors: '{{count}} errors',
+    critical: '{{count}} critical',
+    healthChecks: 'Health checks',
+    results: 'Detailed results',
+    noIssues: 'No diagnostics issues found.',
+    ok: 'OK',
+    failed: 'Failed',
+    affectedComponent: 'Affected component',
+    suggestedResolution: 'Suggested resolution',
+    severity: {
+      info: 'Info',
+      warning: 'Warning',
+      error: 'Error',
+      critical: 'Critical',
+    },
+    checks: {
+      bootstrapLoaded: 'Bootstrap loaded',
+      tenantResolved: 'Tenant resolved',
+      runtimeInitialized: 'Runtime initialized',
+      themeLoaded: 'Theme loaded',
+      widgetManifestLoaded: 'Widget manifest loaded',
+      sectionEngineInitialized: 'Section engine reachable',
+      configurationEngineInitialized: 'Configuration engine initialized',
+      translationResourcesAvailable: 'Translations available',
+      requiredAssetsAvailable: 'Required assets healthy',
+    },
+    bootstrapMissingTitle: 'Bootstrap missing',
+    bootstrapMissingDescription: 'Bootstrap configuration could not be loaded.',
+    bootstrapMissingResolution: 'Verify bootstrap provider response and local mock availability.',
+    requiredPropertyMissingTitle: 'Required property missing',
+    requiredPropertyMissingDescription: 'Required bootstrap property is missing.',
+    requiredPropertyMissingResolution: 'Add missing property to bootstrap payload.',
+    unknownWidgetTypeTitle: 'Unknown widget type',
+    unknownWidgetTypeDescription: 'Widget type is not present in widget manifest.',
+    unknownWidgetTypeResolution: 'Register widget in manifest or remove invalid widget config.',
+    duplicateIdTitle: 'Duplicate identifier',
+    duplicatePageIdDescription: 'Duplicate page id detected.',
+    duplicateSectionIdDescription: 'Duplicate section id detected.',
+    duplicateWidgetIdDescription: 'Duplicate widget id detected.',
+    duplicateIdResolution: 'Ensure ids are unique within bootstrap config.',
+    unknownLayoutTitle: 'Unknown layout',
+    unknownLayoutDescription: 'Page layout value is not recognized.',
+    unknownLayoutResolution: 'Use supported layout or extend diagnostics allow-list.',
+    invalidFeatureFlagTitle: 'Invalid feature flag',
+    invalidFeatureFlagDescription: 'Feature flag value must be boolean.',
+    invalidFeatureFlagResolution: 'Normalize feature flag values to true or false.',
+    brokenPageDefinitionTitle: 'Broken page definition',
+    brokenPageDefinitionDescription: 'Page definition is incomplete.',
+    brokenPageDefinitionResolution: 'Add missing route, title, key, or sections.',
+    invalidNavigationTargetTitle: 'Invalid navigation target',
+    invalidNavigationTargetDescription: 'Navigation route does not match known routes.',
+    invalidNavigationTargetResolution: 'Update route target or add matching route surface.',
+    missingTranslationTitle: 'Missing translation',
+    missingTranslationDescription: 'Translation key resolves to itself.',
+    missingTranslationResolution: 'Add missing key to translation resources.',
+    missingMediaTitle: 'Missing media',
+    missingMediaDescription: 'Expected branding media is missing.',
+    missingMediaResolution: 'Provide valid media URLs in bootstrap branding config.',
+    runtimeNotInitializedTitle: 'Runtime not initialized',
+    runtimeNotInitializedDescription: 'Platform runtime state has not been marked initialized.',
+    runtimeNotInitializedResolution: 'Verify PlatformRuntimeService initialize sequence.',
+    configFallbackUsageTitle: 'Configuration fallback in use',
+    configFallbackUsageDescription: 'Development runtime is using fallback or mock configuration.',
+    configFallbackUsageResolution: 'Switch provider mode if real bootstrap validation is needed.',
+    missingDatasourceTitle: 'Missing datasource',
+    missingDatasourceDescription: 'Widget supports datasource selection but none was declared.',
+    missingDatasourceResolution: 'Define source in widget props or manifest default settings.',
+    widgetRenderFailureTitle: 'Widget render failure',
+    widgetRenderFailureDescription: 'Widget fell back to unknown widget renderer.',
+    widgetRenderFailureResolution: 'Register widget component or fix manifest component key.',
+    brokenRouteTitle: 'Broken route expectation',
+    brokenRouteDescription: 'Expected route surface is missing.',
+    brokenRouteResolution: 'Restore route registration or update diagnostics expectation.',
+    imageLoadFailedTitle: 'Image load failed',
+    imageLoadFailedDescription: 'Rendered image failed to load.',
+    imageLoadFailedResolution: 'Verify asset path, CORS, and media availability.',
+    optionalDataMissingTitle: 'Optional data missing',
+    optionalDataMissingDescription: 'Optional configuration data is absent.',
+    optionalDataMissingResolution: 'Add optional value if UX depends on it.',
+  },
 };