Merge branch 'release/v1.46.0' into feat/v146-questionnaires

# Conflicts:
#	src/__tests__/baselines/source-file-lines.json
#	src/__tests__/baselines/source-function-lines.json

src/hooks/use-auth.ts

@@ -24,6 +24,10 @@ import { storeTimezone } from "@/lib/timezone-mirror";
 import type { ModuleKey } from "@/lib/modules/registry";
 import type { AiCapabilities } from "@/lib/ai/capabilities/types";
 import type { CoachReasoningState } from "@/lib/ai/reasoning/resolve";
+import {
+  resolvePreviewFeatures,
+  type PreviewFeatures,
+} from "@/lib/settings/preview-features";
 import type { ModuleAccessState } from "@/lib/sharing/module-disclosure";
 import type { OnboardingStateDto } from "@/lib/onboarding/needs";
 import type { TourProgress } from "@/lib/onboarding/tour-progress";
@@ -254,6 +258,14 @@ export interface AuthUser {
    * server image that does not publish it.
    */
   coachReasoning?: CoachReasoningState | null;
+  /**
+   * The person's own preview opt-ins, resolved on the server: every
+   * flag present, off unless switched on in Settings > System > Preview
+   * features. Read through `usePreviewFeature`. Optional so existing
+   * fixtures stay valid; `fetchMe` coerces an absent block (an older server)
+   * to every flag off.
+   */
+  previewFeatures?: PreviewFeatures;
   /**
    * v1.36.0 — account sharing, resolved server-side. `accounts` is the
    * switcher's menu, `active` is the record this browser is inside (null when
@@ -477,6 +489,8 @@ export async function fetchMe(): Promise<AuthUser> {
       data.coachReasoning && typeof data.coachReasoning === "object"
         ? data.coachReasoning
         : null,
+    // An older server publishes no opt-ins; every preview stays off.
+    previewFeatures: resolvePreviewFeatures(data.previewFeatures),
     accountAccess,
     accountAccessStatus,
   };

src/hooks/use-preview-features.ts

@@ -0,0 +1,14 @@
+"use client";
+
+import { useAuth } from "@/hooks/use-auth";
+import type { PreviewFeatures } from "@/lib/settings/preview-features";
+
+/**
+ * The person's own preview opt-ins, off the cached account payload, or null
+ * while it has not answered. Every reader treats null as "off": a preview
+ * appears only once the server has said yes, never on a guess.
+ */
+export function usePreviewFeatures(): PreviewFeatures | null {
+  const { user } = useAuth();
+  return user?.previewFeatures ?? null;
+}