feat(affiliate): i18n strings — affiliate_cta_buy, disclosure, pros/cons labels

Added in both en.json and de.json. German uses generisches Maskulinum per
project standards. tformat-compatible {retailer} placeholder in at_retailer key.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

web/src/padelnomics/locales/de.json

@@ -1777,5 +1777,12 @@
   "report_q1_confirmed_title": "Download bereit",
   "report_q1_confirmed_body": "Unten auf den Button klicken, um das vollständige Bericht-PDF zu öffnen.",
   "report_q1_download_btn": "PDF herunterladen",
-  "report_q1_download_note": "PDF öffnet im Browser. Rechtsklick zum Speichern."
+  "report_q1_download_note": "PDF öffnet im Browser. Rechtsklick zum Speichern.",
+
+  "affiliate_cta_buy": "Zum Angebot",
+  "affiliate_disclosure": "Affiliate-Link — wir erhalten eine Provision ohne Mehrkosten für dich.",
+  "affiliate_pros_label": "Vorteile",
+  "affiliate_cons_label": "Nachteile",
+  "affiliate_at_retailer": "bei {retailer}",
+  "affiliate_our_picks": "Unsere Empfehlungen"
 }

web/src/padelnomics/locales/en.json

@@ -1780,5 +1780,12 @@
   "report_q1_confirmed_title": "Your download is ready",
   "report_q1_confirmed_body": "Click below to open the full report PDF.",
   "report_q1_download_btn": "Download PDF",
-  "report_q1_download_note": "PDF opens in your browser. Right-click to save."
+  "report_q1_download_note": "PDF opens in your browser. Right-click to save.",
+
+  "affiliate_cta_buy": "View offer",
+  "affiliate_disclosure": "Affiliate link — we may earn a commission at no extra cost to you.",
+  "affiliate_pros_label": "Pros",
+  "affiliate_cons_label": "Cons",
+  "affiliate_at_retailer": "at {retailer}",
+  "affiliate_our_picks": "Our picks"
 }