diff --git a/src/routers/sources.py b/src/routers/sources.py
index b2e579d..efff0de 100644
--- a/src/routers/sources.py
+++ b/src/routers/sources.py
@@ -1,12 +1,13 @@
 import os
-"""Grundquellen-Verwaltung und Kundenquellen-Ãœbersicht."""
+"""Grundquellen-Verwaltung und Kundenquellen-Ãœbersicht."""
 import sys
 import logging
 
-# Monitor-Source-Rules verfügbar machen
+# Monitor-Source-Rules verfügbar machen
 sys.path.insert(0, "/home/claude-dev/AegisSight-Monitor/src")
 
 from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi.responses import StreamingResponse
 from pydantic import BaseModel, Field
 from typing import Optional
 from auth import get_current_admin
@@ -297,7 +298,7 @@ async def add_discovered_sources(
         existing_urls.add(feed["url"])
         added += 1
 
-    # Web-Source für die Domain anlegen wenn noch nicht vorhanden
+    # Web-Source für die Domain anlegen wenn noch nicht vorhanden
     if feeds and feeds[0].get("domain"):
         domain = feeds[0]["domain"]
         cursor = await db.execute(
@@ -318,7 +319,7 @@ async def add_discovered_sources(
 
 
 
-# --- Health-Check & Vorschläge ---
+# --- Health-Check & Vorschläge ---
 
 @router.get("/health")
 async def get_health(
@@ -326,7 +327,7 @@ async def get_health(
     db: aiosqlite.Connection = Depends(db_dependency),
 ):
     """Health-Check-Ergebnisse abrufen."""
-    # Prüfen ob Tabelle existiert
+    # Prüfen ob Tabelle existiert
     cursor = await db.execute(
         "SELECT name FROM sqlite_master WHERE type='table' AND name='source_health_checks'"
     )
@@ -368,7 +369,7 @@ async def get_suggestions(
     admin: dict = Depends(get_current_admin),
     db: aiosqlite.Connection = Depends(db_dependency),
 ):
-    """Alle Vorschläge abrufen (pending zuerst, dann letzte 20 bearbeitete)."""
+    """Alle Vorschläge abrufen (pending zuerst, dann letzte 20 bearbeitete)."""
     cursor = await db.execute(
         "SELECT name FROM sqlite_master WHERE type='table' AND name='source_suggestions'"
     )
@@ -431,7 +432,7 @@ async def update_suggestion(
                     "SELECT id FROM sources WHERE url = ? AND tenant_id IS NULL", (url,)
                 )
                 if await cursor.fetchone():
-                    result_action = "übersprungen (URL bereits vorhanden)"
+                    result_action = "übersprungen (URL bereits vorhanden)"
                     new_status = "rejected"
                 else:
                     await db.execute(
@@ -441,7 +442,7 @@ async def update_suggestion(
                     )
                     result_action = f"Quelle '{name}' angelegt"
             else:
-                result_action = "übersprungen (keine URL)"
+                result_action = "übersprungen (keine URL)"
                 new_status = "rejected"
 
         elif stype == "deactivate_source":
@@ -454,7 +455,7 @@ async def update_suggestion(
             source_id = suggestion["source_id"]
             if source_id:
                 await db.execute("DELETE FROM sources WHERE id = ?", (source_id,))
-                result_action = "Quelle gelöscht"
+                result_action = "Quelle gelöscht"
 
         elif stype == "fix_url":
             source_id = suggestion["source_id"]
@@ -464,7 +465,7 @@ async def update_suggestion(
                 result_action = f"URL aktualisiert"
 
         # Auto-Reject: Wenn fix_url oder add_source akzeptiert wird,
-        # zugehörige deactivate_source-Vorschläge automatisch ablehnen
+        # zugehörige deactivate_source-Vorschläge automatisch ablehnen
         if stype in ("fix_url", "add_source") and suggestion.get("source_id"):
             await db.execute(
                 "UPDATE source_suggestions SET status = 'rejected', reviewed_at = CURRENT_TIMESTAMP "
@@ -528,13 +529,175 @@ async def run_health_check_now(
 
 
 
+
+
+@router.post("/health/run-stream")
+async def run_health_check_stream(
+    admin: dict = Depends(get_current_admin),
+    db: aiosqlite.Connection = Depends(db_dependency),
+):
+    """Health-Check mit Fortschrittsanzeige (SSE-Stream)."""
+    import json as _json
+    import asyncio
+    from urllib.parse import urlparse
+
+    # Tabellen sicherstellen
+    await db.executescript("""
+        CREATE TABLE IF NOT EXISTS source_health_checks (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            source_id INTEGER NOT NULL REFERENCES sources(id) ON DELETE CASCADE,
+            check_type TEXT NOT NULL, status TEXT NOT NULL,
+            message TEXT, details TEXT,
+            checked_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TABLE IF NOT EXISTS source_suggestions (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            suggestion_type TEXT NOT NULL, title TEXT NOT NULL,
+            description TEXT, source_id INTEGER REFERENCES sources(id) ON DELETE SET NULL,
+            suggested_data TEXT, priority TEXT DEFAULT 'medium',
+            status TEXT DEFAULT 'pending', reviewed_at TIMESTAMP,
+            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+        );
+    """)
+    await db.commit()
+
+    # Quellen laden
+    cursor = await db.execute(
+        "SELECT id, name, url, domain, source_type, article_count, last_seen_at "
+        "FROM sources WHERE status = 'active' AND tenant_id IS NULL"
+    )
+    sources = [dict(row) for row in await cursor.fetchall()]
+    sources_with_url = [s for s in sources if s["url"]]
+    total = len(sources_with_url)
+
+    async def generate():
+        import httpx
+        import feedparser
+
+        # Phase 1: Erreichbarkeit
+        yield f"data: {_json.dumps({'phase': 'check', 'checked': 0, 'total': total, 'current': ''})}\n\n"
+
+        await db.execute("DELETE FROM source_health_checks")
+        await db.commit()
+
+        issues_found = 0
+        checked = 0
+
+        async with httpx.AsyncClient(
+            timeout=15.0, follow_redirects=True,
+            headers={"User-Agent": "Mozilla/5.0 (compatible; OSINT-Monitor/1.0)"},
+        ) as client:
+            for source in sources_with_url:
+                try:
+                    checks = []
+                    try:
+                        resp = await client.get(source["url"])
+                        if resp.status_code >= 400:
+                            checks.append({"type": "reachability", "status": "error",
+                                "message": f"HTTP {resp.status_code} - nicht erreichbar"})
+                        else:
+                            checks.append({"type": "reachability", "status": "ok", "message": "Erreichbar"})
+                            if source["source_type"] == "rss_feed":
+                                text = resp.text[:20000]
+                                if "<rss" not in text and "<feed" not in text and "<channel" not in text:
+                                    checks.append({"type": "feed_validity", "status": "error",
+                                        "message": "Kein RSS/Atom-Feed"})
+                                else:
+                                    feed = await asyncio.to_thread(feedparser.parse, text)
+                                    if feed.get("bozo") and not feed.entries:
+                                        checks.append({"type": "feed_validity", "status": "error",
+                                            "message": "Feed fehlerhaft"})
+                                    elif not feed.entries:
+                                        checks.append({"type": "feed_validity", "status": "warning",
+                                            "message": "Feed leer"})
+                                    else:
+                                        checks.append({"type": "feed_validity", "status": "ok",
+                                            "message": f"Feed OK ({len(feed.entries)} Eintr.)"})
+                    except httpx.TimeoutException:
+                        checks.append({"type": "reachability", "status": "error", "message": "Timeout (15s)"})
+                    except httpx.ConnectError as e:
+                        checks.append({"type": "reachability", "status": "error", "message": f"Verbindung fehlgeschlagen"})
+                    except Exception as e:
+                        checks.append({"type": "reachability", "status": "error", "message": f"{type(e).__name__}"})
+
+                    for c in checks:
+                        await db.execute(
+                            "INSERT INTO source_health_checks (source_id, check_type, status, message) VALUES (?, ?, ?, ?)",
+                            (source["id"], c["type"], c["status"], c["message"]))
+                        if c["status"] != "ok":
+                            issues_found += 1
+                except Exception:
+                    pass
+
+                checked += 1
+                status_icon = "ok"
+                if any(c["status"] == "error" for c in checks):
+                    status_icon = "error"
+                elif any(c["status"] == "warning" for c in checks):
+                    status_icon = "warning"
+
+                yield f"data: {_json.dumps({'phase': 'check', 'checked': checked, 'total': total, 'current': source['name'], 'status': status_icon})}\n\n"
+
+        # Stale + Duplikate (schnell, kein Fortschritt noetig)
+        for source in sources:
+            if source["source_type"] == "excluded":
+                continue
+            article_count = source.get("article_count") or 0
+            if article_count == 0:
+                await db.execute(
+                    "INSERT INTO source_health_checks (source_id, check_type, status, message) VALUES (?, 'stale', 'warning', 'Noch nie Artikel geliefert')",
+                    (source["id"],))
+                issues_found += 1
+            elif source.get("last_seen_at"):
+                try:
+                    from datetime import datetime
+                    last_dt = datetime.fromisoformat(source["last_seen_at"])
+                    age = (datetime.now() - last_dt).days
+                    if age > 30:
+                        await db.execute(
+                            "INSERT INTO source_health_checks (source_id, check_type, status, message) VALUES (?, 'stale', 'warning', ?)",
+                            (source["id"], f"Letzter Artikel vor {age} Tagen"))
+                        issues_found += 1
+                except (ValueError, TypeError):
+                    pass
+
+        # Duplikate
+        url_map = {}
+        for s in sources:
+            if not s["url"]:
+                continue
+            url_norm = s["url"].lower().rstrip("/")
+            if url_norm in url_map:
+                existing = url_map[url_norm]
+                await db.execute(
+                    "INSERT INTO source_health_checks (source_id, check_type, status, message) VALUES (?, 'duplicate', 'warning', ?)",
+                    (s["id"], f"Doppelte URL wie '{existing['name']}' (ID {existing['id']})"))
+                issues_found += 1
+            else:
+                url_map[url_norm] = s
+
+        await db.commit()
+
+        # Phase 2: Vorschlaege
+        yield f"data: {_json.dumps({'phase': 'suggestions', 'checked': checked, 'total': total})}\n\n"
+
+        sys.path.insert(0, "/home/claude-dev/AegisSight-Monitor/src")
+        from services.source_suggester import generate_suggestions
+        suggestion_count = await generate_suggestions(db)
+
+        # Fertig
+        yield f"data: {_json.dumps({'phase': 'done', 'checked': checked, 'total': total, 'issues': issues_found, 'suggestions': suggestion_count})}\n\n"
+
+    return StreamingResponse(generate(), media_type="text/event-stream")
+
+
 @router.post("/health/search-fix/{source_id}")
 async def search_fix_for_source(
     source_id: int,
     admin: dict = Depends(get_current_admin),
     db: aiosqlite.Connection = Depends(db_dependency),
 ):
-    """Sonnet mit WebSearch nach Lösung für eine kaputte Quelle suchen lassen."""
+    """Sonnet mit WebSearch nach Lösung für eine kaputte Quelle suchen lassen."""
     import json as _json
 
     cursor = await db.execute(
@@ -547,7 +710,7 @@ async def search_fix_for_source(
 
     source = dict(source)
 
-    # Health-Check-Probleme für diese Quelle laden
+    # Health-Check-Probleme für diese Quelle laden
     cursor = await db.execute(
         "SELECT check_type, status, message FROM source_health_checks WHERE source_id = ?",
         (source_id,),
@@ -566,14 +729,14 @@ Kategorie: {source['category']}
 Probleme:
 {issues_text}
 
-Aufgabe: Suche im Internet nach funktionierenden Alternativen für diese Quelle.
-- Finde konkrete RSS-Feed-URLs die tatsächlich funktionieren
-- Prüfe ob es alternative Zugangswege gibt (andere Subdomains, Feed-Aggregatoren, alternative URLs)
-- Gibt es eine Lösung oder ist die Quelle nur noch per WebSearch erreichbar?
+Aufgabe: Suche im Internet nach funktionierenden Alternativen für diese Quelle.
+- Finde konkrete RSS-Feed-URLs die tatsächlich funktionieren
+- Prüfe ob es alternative Zugangswege gibt (andere Subdomains, Feed-Aggregatoren, alternative URLs)
+- Gibt es eine Lösung oder ist die Quelle nur noch per WebSearch erreichbar?
 
 Regeln:
-- Maximal 3 Lösungen vorschlagen (die besten)
-- Verwende echte deutsche Umlaute (ü, ä, ö, ß), keine Umschreibungen (ue, ae, oe, ss)
+- Maximal 3 Lösungen vorschlagen (die besten)
+- Verwende echte deutsche Umlaute (ü, ä, ö, ß), keine Umschreibungen (ue, ae, oe, ss)
 
 Antworte NUR mit einem JSON-Objekt:
 {{
@@ -583,10 +746,10 @@ Antworte NUR mit einem JSON-Objekt:
       "type": "replace_url|add_feed|deactivate",
       "name": "Anzeigename",
       "url": "https://...",
-      "description": "Kurze Begründung"
+      "description": "Kurze Begründung"
     }}
   ],
-  "summary": "Zusammenfassung in 1-2 Sätzen"
+  "summary": "Zusammenfassung in 1-2 Sätzen"
 }}
 
 Nur das JSON, kein anderer Text."""
@@ -604,7 +767,7 @@ Nur das JSON, kein anderer Text."""
         else:
             result = {"fixable": False, "solutions": [], "summary": response[:500]}
 
-        # Lösungen als Vorschläge speichern
+        # Lösungen als Vorschläge speichern
         await db.executescript("""
             CREATE TABLE IF NOT EXISTS source_suggestions (
                 id INTEGER PRIMARY KEY AUTOINCREMENT,
diff --git a/src/static/js/source-health.js b/src/static/js/source-health.js
index e2e0dde..558d94e 100644
--- a/src/static/js/source-health.js
+++ b/src/static/js/source-health.js
@@ -220,26 +220,83 @@ async function handleSuggestion(id, accept) {
 // --- Health-Check manuell starten ---
 async function runHealthCheck() {
   const btn = document.getElementById("runHealthCheckBtn");
-  if (btn) {
-    btn.disabled = true;
-    btn.textContent = "Läuft...";
+  if (!btn) return;
+  btn.disabled = true;
+
+  // Fortschrittsanzeige erstellen
+  let progressEl = document.getElementById("healthProgress");
+  if (!progressEl) {
+    progressEl = document.createElement("div");
+    progressEl.id = "healthProgress";
+    progressEl.style.cssText = "display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px;font-size:13px;";
+    btn.parentElement.after(progressEl);
+  }
+  progressEl.style.display = "flex";
+
+  function updateProgress(data) {
+    if (data.phase === "check") {
+      const pct = data.total > 0 ? Math.round((data.checked / data.total) * 100) : 0;
+      const statusIcon = data.status === "error" ? "\u2717" : data.status === "warning" ? "\u26A0" : "\u2713";
+      btn.textContent = data.checked + "/" + data.total;
+      progressEl.innerHTML =
+        '<div style="flex:1;">' +
+          '<div style="display:flex;justify-content:space-between;margin-bottom:4px;">' +
+            '<span>' + (data.current ? statusIcon + " " + esc(data.current) : "Starte...") + '</span>' +
+            '<span class="text-secondary">' + pct + '%</span>' +
+          '</div>' +
+          '<div style="height:4px;background:var(--bg-tertiary);border-radius:2px;overflow:hidden;">' +
+            '<div style="height:100%;width:' + pct + '%;background:var(--accent);transition:width 0.3s;"></div>' +
+          '</div>' +
+        '</div>';
+    } else if (data.phase === "suggestions") {
+      progressEl.innerHTML = '<span class="text-secondary">Generiere Vorschl\u00e4ge...</span>';
+    } else if (data.phase === "done") {
+      progressEl.innerHTML = '<span class="text-success">' + data.checked + ' gepr\u00fcft, ' + data.issues + ' Probleme, ' + data.suggestions + ' Vorschl\u00e4ge</span>';
+      setTimeout(function() { progressEl.style.display = "none"; }, 5000);
+    }
   }
 
   try {
-    const result = await API.post("/api/sources/health/run");
-    alert(
-      `Health-Check abgeschlossen: ${result.checked} Quellen geprüft, ` +
-        `${result.issues} Probleme gefunden. ` +
-        `${result.suggestions} neue Vorschläge generiert.`,
-    );
+    const headers = { "Content-Type": "application/json" };
+    if (API.token) headers["Authorization"] = "Bearer " + API.token;
+
+    const response = await fetch("/api/sources/health/run-stream", {
+      method: "POST",
+      headers: headers,
+    });
+
+    if (!response.ok) {
+      throw new Error("HTTP " + response.status);
+    }
+
+    const reader = response.body.getReader();
+    const decoder = new TextDecoder();
+    let buffer = "";
+
+    while (true) {
+      const { done, value } = await reader.read();
+      if (done) break;
+      buffer += decoder.decode(value, { stream: true });
+
+      const lines = buffer.split("\n");
+      buffer = lines.pop() || "";
+
+      for (const line of lines) {
+        if (line.startsWith("data: ")) {
+          try {
+            const data = JSON.parse(line.slice(6));
+            updateProgress(data);
+          } catch (_) {}
+        }
+      }
+    }
+
     loadHealthData();
   } catch (err) {
-    alert("Fehler: " + err.message);
+    progressEl.innerHTML = '<span class="text-danger">Fehler: ' + esc(err.message) + '</span>';
   } finally {
-    if (btn) {
-      btn.disabled = false;
-      btn.textContent = "Jetzt prüfen";
-    }
+    btn.disabled = false;
+    btn.textContent = "Jetzt pr\u00fcfen";
   }
 }