M25: expose provenance-aware knowledge statistics

frontend/src/api/types.ts

@@ -333,6 +333,11 @@ export interface KnowledgeHealth {
   workspace: string;
   collection: string;
   document_count: number | null;
+  source_document_count: number;
+  reported_synced_document_count: number | null;
+  reported_failed_document_count: number | null;
+  last_sync_at: string | null;
+  statistics_state: "verified" | "sync_reported" | "not_reported";
 }
 
 export interface N8nWorkflowEvidence {

frontend/src/i18n/locales/en-GB/dashboard.json

@@ -69,7 +69,7 @@
     "n8nNoEvidence": "No workflow evidence recorded",
     "knowledgeTitle": "Knowledge assistant",
     "knowledgeSummary": "{{count}} procedures indexed",
-    "knowledgeIndexUnknown": "Knowledge source available · index size unknown",
+    "knowledgeIndexUnknown": "{{count}} knowledge sources · index size not verifiable",
     "knowledgeUnavailable": "Health check unavailable",
     "mcpTitle": "MCP Hub",
     "mcpEnabled": "Registration enabled",

frontend/src/i18n/locales/en-GB/integrations.json

@@ -12,7 +12,8 @@
     "knowledgeTitle": "Knowledge assistant",
     "knowledgeSummaryDemo": "Demo knowledge base · {{count}} procedures indexed in {{collection}}.",
     "knowledgeSummaryRagcore": "RAGcore · {{count}} procedures indexed in {{collection}}.",
-    "knowledgeSummaryIndexUnknown": "Knowledge source available · index size is unavailable for {{collection}}.",
+    "knowledgeSummaryIndexUnknown": "RAGcore reachable · {{sourceCount}} source documents for this language · index size not verifiable for {{collection}}.",
+    "knowledgeSummarySyncReported": "RAGcore reachable · {{sourceCount}} sources for this language · latest sync reported {{synced}} processed, {{failed}} failed at {{when}} · index size not verifiable for {{collection}}.",
     "knowledgeUnavailable": "Health evidence is currently unavailable.",
     "gatewayKicker": "Tool gateway",
     "mcpTitle": "MCP Hub",

frontend/src/i18n/locales/en-GB/knowledge.json

@@ -12,6 +12,13 @@
   "statusUnavailable": "Unavailable",
   "proceduresIndexed": "{{count}} procedures indexed",
   "proceduresIndexUnknown": "Index size is not available through this connection",
+  "statistics": {
+    "sourceDocuments": "source documents in this language",
+    "reportedSynced": "sync reported by n8n",
+    "reportedFailed": "sync failures reported",
+    "lastSync": "Latest sync report: {{when}}. RAGcore does not expose a verifiable index size, so sync counts are not presented as indexed documents.",
+    "noSyncReport": "No sync report has been received yet. RAGcore does not expose a verifiable index size."
+  },
   "providerNote": "This demo answers from a small, fixed set of indexed procedures — not a live RAGcore connection. A live RAGcore backend will later take over the same interface without changing how this page works.",
   "askHeading": "Ask a procedure question",
   "askSubheading": "Retrieval → evidence check → grounded answer",

frontend/src/i18n/locales/fr-BE/dashboard.json

@@ -69,7 +69,7 @@
     "n8nNoEvidence": "Aucune preuve d'automatisation enregistrée",
     "knowledgeTitle": "Assistant de connaissances",
     "knowledgeSummary": "{{count}} procédures indexées",
-    "knowledgeIndexUnknown": "Source de connaissances disponible · taille d’index inconnue",
+    "knowledgeIndexUnknown": "{{count}} sources de connaissances · taille d’index non vérifiable",
     "knowledgeUnavailable": "Vérification de santé indisponible",
     "mcpTitle": "MCP Hub",
     "mcpEnabled": "Enregistrement activé",

frontend/src/i18n/locales/fr-BE/integrations.json

@@ -12,7 +12,8 @@
     "knowledgeTitle": "Assistant de connaissances",
     "knowledgeSummaryDemo": "Base de connaissances de démo · {{count}} procédures indexées dans {{collection}}.",
     "knowledgeSummaryRagcore": "RAGcore · {{count}} procédures indexées dans {{collection}}.",
-    "knowledgeSummaryIndexUnknown": "Source de connaissances disponible · taille d’index indisponible pour {{collection}}.",
+    "knowledgeSummaryIndexUnknown": "RAGcore accessible · {{sourceCount}} documents sources dans cette langue · taille d’index non vérifiable pour {{collection}}.",
+    "knowledgeSummarySyncReported": "RAGcore accessible · {{sourceCount}} sources dans cette langue · dernier rapport : {{synced}} traités, {{failed}} échoués à {{when}} · taille d’index non vérifiable pour {{collection}}.",
     "knowledgeUnavailable": "Preuves de santé actuellement indisponibles.",
     "gatewayKicker": "Passerelle d'outils",
     "mcpTitle": "MCP Hub",

frontend/src/i18n/locales/fr-BE/knowledge.json

@@ -12,6 +12,13 @@
   "statusUnavailable": "Indisponible",
   "proceduresIndexed": "{{count}} procédures indexées",
   "proceduresIndexUnknown": "La taille de l’index n’est pas disponible via cette connexion",
+  "statistics": {
+    "sourceDocuments": "documents sources dans cette langue",
+    "reportedSynced": "synchronisation signalée par n8n",
+    "reportedFailed": "échecs de synchronisation signalés",
+    "lastSync": "Dernier rapport de synchronisation : {{when}}. RAGcore n’expose pas de taille d’index vérifiable ; les nombres synchronisés ne sont donc pas présentés comme des documents indexés.",
+    "noSyncReport": "Aucun rapport de synchronisation reçu. RAGcore n’expose pas de taille d’index vérifiable."
+  },
   "providerNote": "Cette démo répond à partir d'un petit ensemble fixe de procédures indexées — pas d'une connexion RAGcore en direct. Un backend RAGcore en direct reprendra plus tard la même interface sans changer le fonctionnement de cette page.",
   "askHeading": "Poser une question de procédure",
   "askSubheading": "Recherche → vérification des preuves → réponse étayée",

frontend/src/i18n/locales/nl-BE/dashboard.json

@@ -69,7 +69,7 @@
     "n8nNoEvidence": "Geen automatiseringsevidentie geregistreerd",
     "knowledgeTitle": "Kennisassistent",
     "knowledgeSummary": "{{count}} procedures geïndexeerd",
-    "knowledgeIndexUnknown": "Kennisbron bereikbaar · indexomvang onbekend",
+    "knowledgeIndexUnknown": "{{count}} kennisbronnen · indexomvang niet verifieerbaar",
     "knowledgeUnavailable": "Statuscontrole niet beschikbaar",
     "mcpTitle": "MCP Hub",
     "mcpEnabled": "Registratie ingeschakeld",

frontend/src/i18n/locales/nl-BE/integrations.json

@@ -12,7 +12,8 @@
     "knowledgeTitle": "Kennisassistent",
     "knowledgeSummaryDemo": "Demokennisbank · {{count}} procedures geïndexeerd in {{collection}}.",
     "knowledgeSummaryRagcore": "RAGcore · {{count}} procedures geïndexeerd in {{collection}}.",
-    "knowledgeSummaryIndexUnknown": "Kennisbron bereikbaar · indexomvang niet beschikbaar voor {{collection}}.",
+    "knowledgeSummaryIndexUnknown": "RAGcore bereikbaar · {{sourceCount}} brondocumenten voor deze taal · indexomvang niet verifieerbaar voor {{collection}}.",
+    "knowledgeSummarySyncReported": "RAGcore bereikbaar · {{sourceCount}} bronnen voor deze taal · laatste syncrapport {{synced}} verwerkt, {{failed}} mislukt op {{when}} · indexomvang niet verifieerbaar voor {{collection}}.",
     "knowledgeUnavailable": "Statusevidentie momenteel niet beschikbaar.",
     "gatewayKicker": "Tool-gateway",
     "mcpTitle": "MCP Hub",

frontend/src/i18n/locales/nl-BE/knowledge.json

@@ -12,6 +12,13 @@
   "statusUnavailable": "Niet beschikbaar",
   "proceduresIndexed": "{{count}} procedures geïndexeerd",
   "proceduresIndexUnknown": "Indexomvang niet beschikbaar via deze koppeling",
+  "statistics": {
+    "sourceDocuments": "brondocumenten in deze taal",
+    "reportedSynced": "sync door n8n gerapporteerd",
+    "reportedFailed": "syncfouten gerapporteerd",
+    "lastSync": "Laatste syncrapport: {{when}}. RAGcore stelt geen verifieerbare indexomvang beschikbaar; syncaantallen worden daarom niet als geïndexeerde documenten voorgesteld.",
+    "noSyncReport": "Nog geen syncrapport ontvangen. RAGcore stelt geen verifieerbare indexomvang beschikbaar."
+  },
   "providerNote": "Deze demo beantwoordt vanuit een kleine, vaste set geïndexeerde procedures — geen live RAGcore-koppeling. Een live RAGcore-backend zal later dezelfde interface overnemen, zonder dat deze pagina verandert.",
   "askHeading": "Stel een procedurevraag",
   "askSubheading": "Ophalen → evidentiecontrole → onderbouwd antwoord",

frontend/src/pages/Automation.tsx

@@ -215,7 +215,18 @@ export function Automation() {
                 ? t("cards.checking")
                 : knowledge
                 ? knowledge.document_count === null
-                  ? t("cards.knowledgeSummaryIndexUnknown", { collection: knowledge.collection })
+                  ? knowledge.statistics_state === "sync_reported"
+                    ? t("cards.knowledgeSummarySyncReported", {
+                        collection: knowledge.collection,
+                        sourceCount: knowledge.source_document_count,
+                        synced: knowledge.reported_synced_document_count,
+                        failed: knowledge.reported_failed_document_count,
+                        when: knowledge.last_sync_at ? formatDateTime(knowledge.last_sync_at) : "—",
+                      })
+                    : t("cards.knowledgeSummaryIndexUnknown", {
+                        collection: knowledge.collection,
+                        sourceCount: knowledge.source_document_count,
+                      })
                   : t(knowledge.provider === "ragcore" ? "cards.knowledgeSummaryRagcore" : "cards.knowledgeSummaryDemo", {
                       count: knowledge.document_count,
                       collection: knowledge.collection,

frontend/src/pages/Dashboard.tsx

@@ -245,7 +245,7 @@ export function Dashboard() {
               <IntegrationMark kind="rag" />
               <div>
                 <strong>{t("integrationPulse.knowledgeTitle")}</strong>
-                <span>{knowledge ? (knowledge.document_count === null ? t("integrationPulse.knowledgeIndexUnknown") : t("integrationPulse.knowledgeSummary", { count: knowledge.document_count })) : t("integrationPulse.knowledgeUnavailable")}</span>
+                <span>{knowledge ? (knowledge.document_count === null ? t("integrationPulse.knowledgeIndexUnknown", { count: knowledge.source_document_count }) : t("integrationPulse.knowledgeSummary", { count: knowledge.document_count })) : t("integrationPulse.knowledgeUnavailable")}</span>
               </div>
               <StatusBadge
                 status={knowledge?.available ? "available" : "unavailable"}

frontend/src/pages/Knowledge.tsx

@@ -5,6 +5,7 @@ import { describeApiError, type ApiErrorInfo } from "../api/errorMessages";
 import type { GroundedAnswer, KnowledgeHealth } from "../api/types";
 import { Icon } from "../components/Icons";
 import { ApiErrorNotice, PageHeader } from "../components/PageChrome";
+import { useLocaleFormat } from "../i18n/format";
 import { PRODUCT_NAME } from "../product";
 
 interface Exchange {
@@ -21,6 +22,7 @@ function isOpaqueVersion(value: string): boolean {
 
 export function Knowledge() {
   const { t, i18n } = useTranslation(["knowledge", "errors"]);
+  const { formatDateTime } = useLocaleFormat();
   const [status, setStatus] = useState<KnowledgeHealth | null>(null);
   const [statusSettled, setStatusSettled] = useState(false);
   const [question, setQuestion] = useState("");
@@ -138,6 +140,24 @@ export function Knowledge() {
       {statusSettled && status?.provider === "demo" && (
         <p className="knowledge-provider-note"><Icon name="shield" /> {t("providerNote")}</p>
       )}
+      {statusSettled && status?.provider === "ragcore" && (
+        <div className="knowledge-index-evidence" role="status">
+          <div><strong>{status.source_document_count}</strong><span>{t("statistics.sourceDocuments")}</span></div>
+          <div>
+            <strong>{status.reported_synced_document_count ?? "—"}</strong>
+            <span>{t("statistics.reportedSynced")}</span>
+          </div>
+          <div>
+            <strong>{status.reported_failed_document_count ?? "—"}</strong>
+            <span>{t("statistics.reportedFailed")}</span>
+          </div>
+          <p>
+            {status.last_sync_at
+              ? t("statistics.lastSync", { when: formatDateTime(status.last_sync_at) })
+              : t("statistics.noSyncReport")}
+          </p>
+        </div>
+      )}
 
       <form className="panel knowledge-form" onSubmit={handleSubmit} aria-labelledby="ask-heading">
         <div className="ask-heading">

frontend/src/styles.css

@@ -456,6 +456,11 @@ details summary { cursor: pointer; color: var(--teal-dark); }.data-table details
 
 .knowledge-provider-note { display: flex; align-items: flex-start; gap: 8px; margin: -6px 0 18px; padding: 10px 14px; color: var(--ink-soft); background: var(--info-pale); border: 1px solid #cfe3ee; border-radius: var(--radius); font-size: .72rem; line-height: 1.5; }
 .knowledge-provider-note svg { width: 15px; flex-shrink: 0; margin-top: 1px; color: var(--info); }
+.knowledge-index-evidence { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin: -6px 0 18px; overflow: hidden; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); }
+.knowledge-index-evidence > div { display: grid; gap: 3px; padding: 11px 14px; background: white; }
+.knowledge-index-evidence strong { font-size: .86rem; }
+.knowledge-index-evidence span, .knowledge-index-evidence p { color: var(--muted); font-size: .66rem; line-height: 1.45; }
+.knowledge-index-evidence p { grid-column: 1 / -1; margin: 0; padding: 9px 14px; background: var(--surface-subtle); }
 .knowledge-suggestions { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin-top: 12px; }
 .knowledge-suggestions > span { color: var(--muted); font-size: .68rem; font-weight: 700; }
 .suggestion-chip { padding: 6px 11px; color: var(--teal-dark); background: var(--teal-pale); border: 1px solid #bfe6df; border-radius: 999px; font-size: .68rem; font-weight: 600; cursor: pointer; }