diff --git a/messages/de.json b/messages/de.json
index e3af310dc..04ac97c51 100644
--- a/messages/de.json
+++ b/messages/de.json
@@ -250,6 +250,16 @@
     "vo2Max": "VO₂ max",
     "vo2MaxUnit": "mL/(kg·min)",
     "bpInTarget": "BD im Zielbereich",
+    "weightShort": "Gewicht",
+    "bloodPressureSysShort": "BD (Sys)",
+    "bloodPressureDiaShort": "BD (Dia)",
+    "pulseShort": "Puls",
+    "bodyFatShort": "KF",
+    "moodShort": "Stimmung",
+    "sleepShort": "Schlaf",
+    "stepsShort": "Schritte",
+    "vo2MaxShort": "VO₂ max",
+    "bpInTargetShort": "BD-Ziel",
     "days30Short": "30T",
     "medications": "Medikamente",
     "insightsPreview": "KI-Insights-Vorschau",
@@ -2791,8 +2801,8 @@
   },
   "i18n": {
     "maintainershipBanner": {
-      "notice": "Diese Übersetzung wird per KI gepflegt und kann ungenau sein.",
-      "cta": "Hilf mit auf GitHub",
+      "notice": "Diese Sprachversion ist KI-entworfen, inklusive der sicherheitskritischen Coach-Anweisungen. Automatisierte Validierung läuft in CI; KI-Coach-Regressionen bitte auf GitHub melden.",
+      "cta": "Auf GitHub melden",
       "dismiss": "Schließen"
     }
   },
diff --git a/messages/en.json b/messages/en.json
index ddebf6fc4..ccac34260 100644
--- a/messages/en.json
+++ b/messages/en.json
@@ -250,6 +250,16 @@
     "vo2Max": "VO₂ max",
     "vo2MaxUnit": "mL/(kg·min)",
     "bpInTarget": "BP in Target",
+    "weightShort": "Weight",
+    "bloodPressureSysShort": "BP (Sys)",
+    "bloodPressureDiaShort": "BP (Dia)",
+    "pulseShort": "Pulse",
+    "bodyFatShort": "Body Fat",
+    "moodShort": "Mood",
+    "sleepShort": "Sleep",
+    "stepsShort": "Steps",
+    "vo2MaxShort": "VO₂ max",
+    "bpInTargetShort": "BP in Target",
     "days30Short": "30d",
     "medications": "Medications",
     "insightsPreview": "AI Insights preview",
@@ -2791,8 +2801,8 @@
   },
   "i18n": {
     "maintainershipBanner": {
-      "notice": "This translation is AI-maintained and may contain inaccuracies.",
-      "cta": "Help out on GitHub",
+      "notice": "This locale is AI-drafted including the Coach's safety-critical instructions. Automated validation runs in CI; please report any AI Coach regressions on GitHub.",
+      "cta": "Report on GitHub",
       "dismiss": "Dismiss"
     }
   },
diff --git a/messages/es.json b/messages/es.json
index 994717b7e..e78a4972e 100644
--- a/messages/es.json
+++ b/messages/es.json
@@ -250,6 +250,16 @@
     "vo2Max": "VO₂ max",
     "vo2MaxUnit": "mL/(kg·min)",
     "bpInTarget": "BP in Target",
+    "weightShort": "Peso",
+    "bloodPressureSysShort": "PA (Sys)",
+    "bloodPressureDiaShort": "PA (Dia)",
+    "pulseShort": "Pulso",
+    "bodyFatShort": "GC",
+    "moodShort": "Humor",
+    "sleepShort": "Sueño",
+    "stepsShort": "Pasos",
+    "vo2MaxShort": "VO₂ max",
+    "bpInTargetShort": "PA-objetivo",
     "days30Short": "30d",
     "medications": "Medicamentos",
     "insightsPreview": "AI Insights preview",
@@ -2791,8 +2801,8 @@
   },
   "i18n": {
     "maintainershipBanner": {
-      "notice": "Esta traducción está mantenida por IA y puede contener imprecisiones.",
-      "cta": "Ayúdanos en GitHub",
+      "notice": "Este idioma está redactado por IA, incluidas las instrucciones críticas para la seguridad del Coach. La validación automática se ejecuta en CI; informe de cualquier regresión del Coach IA en GitHub.",
+      "cta": "Informar en GitHub",
       "dismiss": "Cerrar"
     }
   },
diff --git a/messages/fr.json b/messages/fr.json
index 5e46e71f3..46b7cde40 100644
--- a/messages/fr.json
+++ b/messages/fr.json
@@ -250,6 +250,16 @@
     "vo2Max": "VO₂ max",
     "vo2MaxUnit": "mL/(kg·min)",
     "bpInTarget": "BP in Target",
+    "weightShort": "Poids",
+    "bloodPressureSysShort": "TA (Sys)",
+    "bloodPressureDiaShort": "TA (Dia)",
+    "pulseShort": "Pouls",
+    "bodyFatShort": "TG",
+    "moodShort": "Humeur",
+    "sleepShort": "Sommeil",
+    "stepsShort": "Pas",
+    "vo2MaxShort": "VO₂ max",
+    "bpInTargetShort": "TA-cible",
     "days30Short": "30d",
     "medications": "Médicaments",
     "insightsPreview": "AI Insights preview",
@@ -2791,8 +2801,8 @@
   },
   "i18n": {
     "maintainershipBanner": {
-      "notice": "Cette traduction est maintenue par IA et peut contenir des imprécisions.",
-      "cta": "Aidez-nous sur GitHub",
+      "notice": "Cette langue est rédigée par IA, y compris les instructions critiques pour la sécurité du Coach. Une validation automatique tourne en CI ; signalez toute régression du Coach IA sur GitHub.",
+      "cta": "Signaler sur GitHub",
       "dismiss": "Ignorer"
     }
   },
diff --git a/messages/it.json b/messages/it.json
index bd2b2d185..2c0310cd3 100644
--- a/messages/it.json
+++ b/messages/it.json
@@ -250,6 +250,16 @@
     "vo2Max": "VO₂ max",
     "vo2MaxUnit": "mL/(kg·min)",
     "bpInTarget": "BP in Target",
+    "weightShort": "Peso",
+    "bloodPressureSysShort": "PA (Sys)",
+    "bloodPressureDiaShort": "PA (Dia)",
+    "pulseShort": "Polso",
+    "bodyFatShort": "GC",
+    "moodShort": "Umore",
+    "sleepShort": "Sonno",
+    "stepsShort": "Passi",
+    "vo2MaxShort": "VO₂ max",
+    "bpInTargetShort": "PA-target",
     "days30Short": "30d",
     "medications": "Farmaci",
     "insightsPreview": "AI Insights preview",
@@ -2791,8 +2801,8 @@
   },
   "i18n": {
     "maintainershipBanner": {
-      "notice": "Questa traduzione è gestita tramite IA e potrebbe contenere imprecisioni.",
-      "cta": "Aiutaci su GitHub",
+      "notice": "Questa lingua è redatta tramite IA, incluse le istruzioni critiche per la sicurezza del Coach. La validazione automatica gira in CI; segnali qualsiasi regressione del Coach IA su GitHub.",
+      "cta": "Segnala su GitHub",
       "dismiss": "Chiudi"
     }
   },
diff --git a/messages/pl.json b/messages/pl.json
index 8f9b1cd26..a5fa4f664 100644
--- a/messages/pl.json
+++ b/messages/pl.json
@@ -250,6 +250,16 @@
     "vo2Max": "VO₂ max",
     "vo2MaxUnit": "mL/(kg·min)",
     "bpInTarget": "BP in Target",
+    "weightShort": "Waga",
+    "bloodPressureSysShort": "RR (Sk)",
+    "bloodPressureDiaShort": "RR (Rk)",
+    "pulseShort": "Tętno",
+    "bodyFatShort": "TT",
+    "moodShort": "Nastrój",
+    "sleepShort": "Sen",
+    "stepsShort": "Kroki",
+    "vo2MaxShort": "VO₂ max",
+    "bpInTargetShort": "RR-cel",
     "days30Short": "30d",
     "medications": "Leki",
     "insightsPreview": "AI Insights preview",
@@ -2791,8 +2801,8 @@
   },
   "i18n": {
     "maintainershipBanner": {
-      "notice": "To tłumaczenie jest utrzymywane przez AI i może zawierać nieścisłości.",
-      "cta": "Pomóż na GitHubie",
+      "notice": "Ta wersja językowa jest opracowana przez AI, w tym instrukcje krytyczne dla bezpieczeństwa Coacha. Walidacja automatyczna działa w CI; proszę zgłaszać wszelkie regresje Coacha AI na GitHubie.",
+      "cta": "Zgłoś na GitHubie",
       "dismiss": "Zamknij"
     }
   },
diff --git a/src/components/i18n/__tests__/maintainership-banner.test.tsx b/src/components/i18n/__tests__/maintainership-banner.test.tsx
index 016c4ff47..ad6f63f4b 100644
--- a/src/components/i18n/__tests__/maintainership-banner.test.tsx
+++ b/src/components/i18n/__tests__/maintainership-banner.test.tsx
@@ -82,4 +82,45 @@ describe("<MaintainershipBanner>", () => {
     expect(cfg.isMaintainedLocale("it")).toBe(false);
     expect(cfg.isMaintainedLocale("pl")).toBe(false);
   });
+
+  // v1.4.25 W14c — banner copy upgraded to acknowledge that the
+  // FR/ES/IT/PL Coach prompts are AI-drafted including safety-critical
+  // instructions. Pin the new wording so a copy regression cannot
+  // quietly soften the disclosure.
+  it("EN banner copy names safety-critical AI-drafted Coach content", async () => {
+    const { readFileSync } = await import("node:fs");
+    const { join } = await import("node:path");
+    const en = JSON.parse(
+      readFileSync(join(process.cwd(), "messages", "en.json"), "utf8"),
+    ) as { i18n: { maintainershipBanner: { notice: string } } };
+    const notice = en.i18n.maintainershipBanner.notice;
+    expect(notice).toMatch(/AI-drafted/);
+    expect(notice).toMatch(/safety-critical/);
+    expect(notice).toMatch(/GitHub/);
+    expect(notice).toMatch(/Coach/);
+  });
+
+  it("every AI-initial locale's banner notice acknowledges the AI-drafted Coach content", async () => {
+    const { readFileSync } = await import("node:fs");
+    const { join } = await import("node:path");
+    const aiDraftPatterns: Record<string, RegExp> = {
+      fr: /rédigée par IA/,
+      es: /redactado por IA/,
+      it: /redatta tramite IA/,
+      pl: /opracowana przez AI/,
+    };
+    for (const [locale, pattern] of Object.entries(aiDraftPatterns)) {
+      const data = JSON.parse(
+        readFileSync(
+          join(process.cwd(), "messages", `${locale}.json`),
+          "utf8",
+        ),
+      ) as { i18n: { maintainershipBanner: { notice: string } } };
+      const notice = data.i18n.maintainershipBanner.notice;
+      expect(notice, `${locale} banner notice`).toMatch(pattern);
+      expect(notice, `${locale} banner notice mentions Coach`).toMatch(
+        /Coach/,
+      );
+    }
+  });
 });