feat: dashboard Second Brain, essai 7 jours et vérification e-mail

Rendre le dashboard actionnable (inbox, peek, carte mentale), aligner la facturation sur l’essai 7 jours, et bloquer le login e-mail tant que l’adresse n’est pas confirmée.

Co-authored-by: Cursor <cursoragent@cursor.com>

memento-note/locales/nl.json

@@ -38,7 +38,24 @@
     "privacyTerms": "© 2025 Memento Labs — Privacy · Voorwaarden",
     "sessionExpired": "Uw site wordt gegenereerd met navigatie en inhoudsopgave",
     "welcomeBack": "Welkom terug",
-    "welcomeBackSubtitle": "Voer uw inloggegevens in om toegang te krijgen tot uw notities."
+    "welcomeBackSubtitle": "Voer uw inloggegevens in om toegang te krijgen tot uw notities.",
+    "checkEmailTitle": "Controleer je e-mail",
+    "checkEmailDescription": "We hebben een bevestigingslink naar {email} gestuurd. Open die om je account te activeren voordat je inlogt.",
+    "checkEmailDescriptionGeneric": "We hebben een bevestigingslink naar je e-mail gestuurd. Open die om je account te activeren voordat je inlogt.",
+    "resendVerification": "Bevestigingsmail opnieuw versturen",
+    "verifyResent": "Bevestigingsmail verzonden. Controleer je inbox.",
+    "verifyResendFailed": "Bevestigingsmail kon niet worden verzonden. Probeer later opnieuw.",
+    "verifyMissingEmail": "Voer je e-mailadres in.",
+    "verifyLoading": "E-mail wordt bevestigd…",
+    "verifySuccessTitle": "E-mail bevestigd",
+    "verifySuccessDescription": "Je account is klaar. Je kunt nu inloggen.",
+    "verifyExpiredTitle": "Link verlopen",
+    "verifyExpiredDescription": "Deze bevestigingslink is verlopen. Vraag een nieuwe aan.",
+    "verifyInvalidTitle": "Ongeldige link",
+    "verifyInvalidDescription": "Deze bevestigingslink is ongeldig of al gebruikt.",
+    "emailNotVerified": "Bevestig je e-mail voordat je inlogt.",
+    "emailVerifiedBanner": "E-mail bevestigd. Je kunt nu inloggen.",
+    "invalidCredentials": "Ongeldig e-mailadres of wachtwoord."
   },
   "sidebar": {
     "notes": "Notities",
@@ -1580,7 +1597,58 @@
       "STRIPE_PRICE_CREDITS_S": "Pack S — 100 credits (price ID)",
       "STRIPE_PRICE_CREDITS_M": "Pack M — 500 credits (price ID)",
       "STRIPE_PRICE_CREDITS_L": "Pack L — 2,000 credits (price ID)",
-      "packsCatalogTitle": "Pack catalogue (code)"
+      "packsCatalogTitle": "Pack catalogue (code)",
+      "healthTitle": "Stripe health check",
+      "healthDescription": "Runtime status of keys, webhooks, price IDs and billing flag (secrets are never shown).",
+      "healthSecret": "Secret key (server)",
+      "healthPublishable": "Publishable key",
+      "healthWebhook": "Webhook secret",
+      "healthBillingFlag": "Billing enabled",
+      "healthTrial": "Free trial",
+      "trialDaysValue": "{days} days on first checkout",
+      "modeTest": "Test mode (sk_test_…)",
+      "modeLive": "Live mode (sk_live_…)",
+      "modePlaceholder": "Placeholder / invalid key",
+      "modeMissing": "Not configured",
+      "configured": "Configured",
+      "missing": "Missing",
+      "enabled": "Enabled",
+      "disabled": "Disabled",
+      "priceStatusTitle": "Price IDs vs Stripe",
+      "colKey": "Plan",
+      "colPriceId": "Price ID",
+      "colSource": "Source",
+      "colStripe": "Stripe amount",
+      "priceError": "Lookup failed",
+      "inactive": "inactive",
+      "notChecked": "Not checked (no Stripe key)",
+      "subsTitle": "Subscriptions overview",
+      "subsDescription": "Counts from the local database (synced via Stripe webhooks).",
+      "statPaid": "Active + trial",
+      "statTrialing": "On trial",
+      "statPastDue": "Past due",
+      "statCanceling": "Cancel at period end",
+      "byTier": "By tier",
+      "byStatus": "By status",
+      "usersWithoutSub": "Users with no Subscription row",
+      "noSubs": "No subscriptions yet",
+      "recentSubs": "Recent paid / trial accounts",
+      "colUser": "User",
+      "colTier": "Tier",
+      "colStatus": "Status",
+      "colPeriod": "Period / trial end",
+      "canceling": "canceling",
+      "manualTier": "manual (no Stripe sub)",
+      "trialUntil": "Trial until {date}",
+      "testGuideTitle": "How to test Stripe locally",
+      "testGuideDescription": "Checklist to validate checkout, webhooks and trial.",
+      "testStep1": "Stripe Dashboard → Test mode ON. Create Pro/Business products + monthly/annual prices + credit packs.",
+      "testStep2": "Put sk_test_…, pk_test_… in .env. Put price_… IDs in Admin → Billing (or env) and enable billing.",
+      "testStep3": "Copy the whsec_… into STRIPE_WEBHOOK_SECRET and restart the app.",
+      "testStep4": "npm run dev → open /settings/billing as a BASIC user.",
+      "testStep5": "Start Pro checkout. Card: 4242 4242 4242 4242, any future expiry, any CVC. Expect a 7-day trial.",
+      "testStep6": "Confirm Admin → Billing shows TRIALING, and /settings/billing shows the trial end date.",
+      "testCardHint": "Other cards: 4000000000009995 = payment fails · 4000002500003155 = 3D Secure. Never use real cards in test mode."
     }
   },
   "about": {
@@ -3113,7 +3181,11 @@
     "packLName": "Powerpakket",
     "buyPack": "Kopen",
     "packCheckoutSuccess": "Creditpakket toegevoegd aan je saldo!",
-    "packCheckoutFailed": "Aankoop mislukt. Controleer de Stripe-config of probeer opnieuw."
+    "packCheckoutFailed": "Aankoop mislukt. Controleer de Stripe-config of probeer opnieuw.",
+    "startTrialCta": "{days} dagen gratis starten",
+    "trialFeature": "{days} dagen gratis proberen (kaart vereist)",
+    "trialEndsOn": "Je gratis proefperiode eindigt op {date}. Daarna word je automatisch gefactureerd.",
+    "trialEndsLabel": "Einde proefperiode"
   },
   "landing": {
     "nav": {
@@ -3295,7 +3367,16 @@
         "feature4": "Dedicated support",
         "feature5": "Live onboarding"
       },
-      "basicPrice": "Gratis"
+      "basicPrice": "Gratis",
+      "savePercent": "Bespaar ~17%",
+      "proMonthly": "€9,90",
+      "proAnnualMonthly": "€8,25",
+      "businessMonthly": "€29,90",
+      "businessAnnualMonthly": "€24,92",
+      "enterprisePrice": "Op maat",
+      "trialBadge": "{days} dagen gratis proberen",
+      "trialFeature": "{days} dagen gratis proberen (kaart vereist)",
+      "trialCta": "{days} dagen gratis starten"
     },
     "cta": {
       "title": "Stop met het verliezen van je beste ideeën.",