src/routers/sources.py

@@ -594,14 +594,25 @@ async def get_health(
             "limit": limit, "offset": offset, "has_more": False,
         }
 
-    # Aggregate über GESAMTEN Bestand (eine GROUP-BY-Query, billig)
+    # Aggregate über GESAMTEN Bestand. Eine GROUP-BY-Query nach (check_type, status)
+    # liefert sowohl die Top-Counters als auch das feine Breakdown für die UI.
     cursor = await db.execute(
-        "SELECT status, COUNT(*) AS n FROM source_health_checks GROUP BY status"
+        "SELECT check_type, status, COUNT(*) AS n FROM source_health_checks GROUP BY check_type, status"
     )
-    counts = {row["status"]: row["n"] for row in await cursor.fetchall()}
-    error_count = counts.get("error", 0)
-    warning_count = counts.get("warning", 0)
-    ok_count = counts.get("ok", 0)
+    breakdown = {}  # {check_type: {status: count}}
+    error_count = 0
+    warning_count = 0
+    ok_count = 0
+    for row in await cursor.fetchall():
+        ct = row["check_type"]
+        st = row["status"]
+        breakdown.setdefault(ct, {})[st] = row["n"]
+        if st == "error":
+            error_count += row["n"]
+        elif st == "warning":
+            warning_count += row["n"]
+        elif st == "ok":
+            ok_count += row["n"]
     total_checks = error_count + warning_count + ok_count
 
     # Paginierte Daten
@@ -641,6 +652,7 @@ async def get_health(
         "errors": error_count,
         "warnings": warning_count,
         "ok": ok_count,
+        "breakdown": breakdown,
         "checks": checks,
         "all_orgs": all_orgs,
         "limit": limit,

src/static/dashboard.html

@@ -715,7 +715,7 @@
 
   <script src="/static/js/app.js?v=20260509d"></script>
   <script src="/static/js/sources.js?v=20260509d"></script>
-  <script src="/static/js/source-health.js?v=20260509f"></script>
+  <script src="/static/js/source-health.js?v=20260509g"></script>
   <script src="/static/js/audit.js?v=20260509d"></script>
   <div id="toastContainer" class="toast-container" aria-live="polite" aria-atomic="true"></div>
 </body>

src/static/js/source-health.js

@@ -3,7 +3,9 @@
 
 let healthData = null;
 let suggestionsCache = [];
-let healthFilters = { status: "", check_type: "", org: "all" };
+// Default-Filter zeigt nur Probleme (errors + warnings); OK ist meistens Rauschen.
+// "issues" ist ein virtueller Status-Wert, den nur das Frontend versteht (siehe applyHealthFilter).
+let healthFilters = { status: "issues", check_type: "", org: "all" };
 let healthHistoryCache = [];
 
 // 60-Sekunden-Cache, damit Tab-Wechsel nicht jedes Mal die volle Antwort neu lädt.
@@ -91,7 +93,9 @@ function loadAllHealth() {
 
 function applyHealthFilter(checks) {
   return checks.filter(c => {
-    if (healthFilters.status && c.status !== healthFilters.status) return false;
+    // "issues" = Sammelfilter für errors + warnings (Default)
+    if (healthFilters.status === "issues" && c.status === "ok") return false;
+    if (healthFilters.status && healthFilters.status !== "issues" && c.status !== healthFilters.status) return false;
     if (healthFilters.check_type && c.check_type !== healthFilters.check_type) return false;
     if (healthFilters.org === "global" && c.tenant_id !== null) return false;
     if (healthFilters.org !== "all" && healthFilters.org !== "global"
@@ -208,6 +212,21 @@ function renderHealthDashboard() {
 
     const checkTypes = Array.from(new Set(allChecks.map(c => c.check_type)));
 
+    // Counter-Aufgliederung aus Backend-Breakdown (pro check_type x status).
+    // Beispiel: { reachability: {ok: 281, error: 3, warning: 1}, feed_validity: {...}, stale: {...}, duplicate: {...} }
+    const breakdown = healthData.breakdown || {};
+    function breakdownLine(statusKey, cssClass) {
+      const entries = Object.entries(breakdown)
+        .map(([ct, byStatus]) => [ct, byStatus[statusKey] || 0])
+        .filter(([_, n]) => n > 0)
+        .sort((a, b) => b[1] - a[1]);
+      if (entries.length === 0) return "";
+      const total = entries.reduce((s, [, n]) => s + n, 0);
+      const detail = entries.map(([ct, n]) => `${n} ${CHECK_TYPE_LABELS[ct] || ct}`).join(", ");
+      const label = statusKey === "error" ? "Fehler" : (statusKey === "warning" ? "Warnungen" : "OK");
+      return `<span class="${cssClass}" title="${esc(detail)}">${total} ${label}</span> <span class="text-secondary" style="font-size:11px;">(${esc(detail)})</span>`;
+    }
+
     healthHtml = `
       <div class="card">
         <div class="card-header">
@@ -215,14 +234,15 @@ function renderHealthDashboard() {
           <span class="text-secondary" style="font-size:13px;">
             Letzter Check: ${healthData.last_check ? formatDateTime(healthData.last_check) : "Noch nie"}
             &nbsp;|&nbsp;
-            <span class="text-danger">${healthData.errors} Fehler</span> &nbsp;
-            <span class="text-warning">${healthData.warnings} Warnungen</span> &nbsp;
+            ${breakdownLine("error", "text-danger") || `<span class="text-danger">0 Fehler</span>`} &nbsp;
+            ${breakdownLine("warning", "text-warning") || `<span class="text-warning">0 Warnungen</span>`} &nbsp;
             <span class="text-success">${okCount} OK</span>
           </span>
         </div>
         <div class="action-bar" style="border-bottom:1px solid var(--border, rgba(255,255,255,0.08));">
           <div style="display:flex;gap:10px;flex-wrap:wrap;align-items:center;">
             <select class="filter-select" onchange="setHealthFilter('status', this.value)">
+              <option value="issues" ${healthFilters.status === "issues" ? "selected" : ""}>Nur Probleme (Default)</option>
               <option value="" ${healthFilters.status === "" ? "selected" : ""}>Alle Status</option>
               <option value="error" ${healthFilters.status === "error" ? "selected" : ""}>Nur Fehler</option>
               <option value="warning" ${healthFilters.status === "warning" ? "selected" : ""}>Nur Warnungen</option>
@@ -269,6 +289,16 @@ function renderHealthDashboard() {
             </tbody>
           </table>
         </div>`;
+    } else if (hasMore) {
+      // 0 Treffer in der Page, aber es gibt noch ungeladene Items.
+      // Hinweis, dass der Filter erst über die volle Liste sicher ist.
+      healthHtml += `
+        <div class="card-body text-muted">
+          Keine Treffer in den geladenen ${allChecks.length} von ${totalAll} Items mit dem aktuellen Filter.
+          <a href="#" onclick="event.preventDefault(); loadAllHealth()" style="text-decoration:underline;">
+            Alle ${totalAll} Health-Checks laden
+          </a> und Filter erneut anwenden.
+        </div>`;
     } else {
       healthHtml += '<div class="card-body text-muted">Keine Ergebnisse mit diesen Filtern.</div>';
     }