fix(subscriptions): trial 14 dagar konsekvent i UI/docs/legal/butik

TRIAL_DAYS var redan 14 i koden men auth.trialNote (12 sprak), butiksmetadata, juridik-utkast, API-ref, exec-summary och UX-doc sa 7. Nu 14 overallt. Rorde EJ icke-trial 7-dagar (inbjudningslank, backup, S3-lifecycle, grace, retention). Beslut: Johan (battre onboarding).

packages/subscriptions/src/entitlements.ts

@@ -61,7 +61,7 @@ export function computeEntitlements(
     }
   }
 
-  // 2. Trial: 7 dagar full tillgång utan kort (spec §46). Family-nivå under trial.
+  // 2. Trial: 14 dagar full tillgång utan kort (spec §46). Family-nivå under trial.
   if (trial && trial.endsAt > now) {
     const def = PLAN_DEFINITIONS.family;
     return {

packages/subscriptions/test/subscriptions.test.ts

@@ -48,7 +48,7 @@ describe("entitlements (spec §45–47)", () => {
     );
     expect(ent.plan).toBe("free");
   });
-  it("trial ger full tillgång i 7 dagar (spec §46)", () => {
+  it("trial ger full tillgång i 14 dagar (spec §46)", () => {
     const start = new Date("2026-08-01T00:00:00Z");
     const ent = computeEntitlements(
       null,