feat(usage): enrich audit metadata and detail views

frontend/src/features/users/apiKeyFeatureSettings.ts

@@ -0,0 +1,64 @@
+import type { FeatureSettings } from '@/api/users'
+import {
+  hasChatPiiRedactionFeatureSettings,
+  mergeChatPiiRedactionFeatureSettings,
+  readChatPiiRedactionFeatureSettings,
+  removeChatPiiRedactionFeatureSettings,
+  type ChatPiiRedactionFeatureSettings,
+} from '@/utils/featureSettings'
+
+export type ApiKeyRedactionMode = 'inherit' | 'custom'
+
+export interface ApiKeyRedactionFormState extends ChatPiiRedactionFeatureSettings {
+  mode: ApiKeyRedactionMode
+}
+
+export function resolveApiKeyRedactionFormState(
+  apiKeyFeatureSettings: FeatureSettings | null | undefined,
+  inheritedUserFeatureSettings: FeatureSettings | null | undefined,
+): ApiKeyRedactionFormState {
+  const hasCustomRedaction = hasChatPiiRedactionFeatureSettings(apiKeyFeatureSettings)
+  const value = readChatPiiRedactionFeatureSettings(
+    hasCustomRedaction ? apiKeyFeatureSettings : inheritedUserFeatureSettings,
+  )
+  return {
+    mode: hasCustomRedaction ? 'custom' : 'inherit',
+    ...value,
+  }
+}
+
+/**
+ * Builds only the feature-settings portion of an API-key mutation.
+ *
+ * An omitted field preserves inheritance. `null` (or an object with the
+ * redaction key removed) is emitted only when an existing custom override is
+ * explicitly switched back to inheritance.
+ */
+export function buildApiKeyRedactionFeatureSettingsPatch(options: {
+  isEditing: boolean
+  currentFeatureSettings: FeatureSettings | null | undefined
+  mode: ApiKeyRedactionMode
+  value: ChatPiiRedactionFeatureSettings
+}): { feature_settings?: FeatureSettings | null } {
+  if (options.mode === 'custom') {
+    return {
+      feature_settings: mergeChatPiiRedactionFeatureSettings(
+        options.isEditing ? options.currentFeatureSettings : null,
+        options.value,
+      ),
+    }
+  }
+
+  if (
+    options.isEditing
+    && hasChatPiiRedactionFeatureSettings(options.currentFeatureSettings)
+  ) {
+    return {
+      feature_settings: removeChatPiiRedactionFeatureSettings(
+        options.currentFeatureSettings,
+      ),
+    }
+  }
+
+  return {}
+}