add test to see if fail for streams and evetns

src/fgai/dashboard.py

@@ -534,12 +534,33 @@ async function loadOllamaModels() {
 async function loadStreams() {
   const response = await fetch('/api/graylog/streams');
   const payload = await response.json();
+  if (!response.ok) {
+    renderStreamPicker(payload.error || `Could not load streams: ${response.status}`);
+    return;
+  }
   const selected = new Set((payload.selected || []).filter(item => item.enabled).map(item => item.id));
   window.availableStreams = payload.streams || [];
   window.streamSelection = Object.fromEntries(window.availableStreams.map(stream => [stream.id, {id:stream.id, title:stream.title, enabled:selected.has(stream.id)}]));
   renderStreamPicker(payload.error || '');
 }
 document.getElementById('loadStreams').addEventListener('click', loadStreams);
+async function saveStreamSelection() {
+  const result = document.getElementById('settingsResult');
+  const streams = Object.values(window.streamSelection || {});
+  if (!streams.length) {
+    result.textContent = 'Load streams before saving stream selection.';
+    return false;
+  }
+  const response = await fetch('/api/config', {method:'POST', headers:{'Content-Type':'application/json'}, body:JSON.stringify({graylog_streams: streams})});
+  let payload = {};
+  try { payload = await response.json(); } catch {}
+  if (!response.ok) {
+    result.textContent = `Could not save enabled streams: ${payload.error || response.statusText || response.status}`;
+    return false;
+  }
+  result.textContent = `Saved ${streams.filter(item => item.enabled).length} enabled stream(s). Monitor will use them on the next cycle.`;
+  return true;
+}
 function renderStreamPicker(errorText='') {
   const target = document.getElementById('streamPicker');
   if (!window.availableStreams.length) {
@@ -559,6 +580,7 @@ function renderStreamPicker(errorText='') {
       <label><input id="streamEnabledOnly" type="checkbox" ${previousEnabledOnly ? 'checked' : ''}> enabled only</label>
       <button type="button" id="enableVisibleStreams">Enable visible</button>
       <button type="button" id="disableVisibleStreams">Disable visible</button>
+      <button type="button" id="saveVisibleStreams">Save streams</button>
     </div>
     <div class="stream-counts">${esc(enabledCount)} enabled, ${esc(streams.length)} visible, ${esc(window.availableStreams.length)} total</div>
     <div class="stream-list">${streams.map(stream => {
@@ -569,6 +591,7 @@ function renderStreamPicker(errorText='') {
   document.getElementById('streamEnabledOnly').addEventListener('change', () => renderStreamPicker());
   document.getElementById('enableVisibleStreams').addEventListener('click', () => { streams.forEach(stream => { window.streamSelection[stream.id].enabled = true; }); renderStreamPicker(); });
   document.getElementById('disableVisibleStreams').addEventListener('click', () => { streams.forEach(stream => { window.streamSelection[stream.id].enabled = false; }); renderStreamPicker(); });
+  document.getElementById('saveVisibleStreams').addEventListener('click', saveStreamSelection);
 }
 function mergeProfile(existing, recommended) {
   const mergeList = (left, right) => [...new Set([...(left || []), ...(right || [])].filter(Boolean))];
@@ -670,6 +693,7 @@ document.getElementById('streamPicker').addEventListener('change', event => {
   if (!checkbox || !window.streamSelection[checkbox.dataset.id]) return;
   window.streamSelection[checkbox.dataset.id].enabled = checkbox.checked;
   document.querySelector('.stream-counts').textContent = `${Object.values(window.streamSelection).filter(item => item.enabled).length} enabled, ${document.querySelectorAll('.stream-row').length} visible, ${window.availableStreams.length} total`;
+  document.getElementById('settingsResult').textContent = 'Stream selection changed. Click Save streams or Save configuration.';
 });
 document.getElementById('loadFields').addEventListener('click', async () => {
   if (window.activeProfileStream) { editStreamProfile(window.activeProfileStream, window.activeProfileTitle); return; }

src/fgai/monitor.py

@@ -135,7 +135,13 @@ def build_status(
                 stream_configs = [item for item in configured_streams if isinstance(item, dict) and item.get("enabled") and item.get("id")]
                 stream_ids = [str(item.get("id")) for item in stream_configs]
                 if not stream_ids:
-                    stream_configs = [{"id": str(runtime_values.get("graylog_stream", "")), "title": "Graylog"}]
+                    legacy_stream = str(runtime_values.get("graylog_stream", "") or "")
+                    if legacy_stream:
+                        stream_configs = [{"id": legacy_stream, "title": "Graylog"}]
+                    else:
+                        mcp_status = {"status": "no_streams_enabled", "streams": [], "events_fetched": 0, "coverage_status": "no_streams_enabled"}
+                        events = []
+                        raise StopIteration
                 stream_statuses = []
                 events = []
                 range_seconds = _range_seconds(runtime_values.get("graylog_range_seconds", 300))
@@ -193,6 +199,8 @@ def build_status(
                     "coverage_status": "partial" if partial_streams else "truncated" if truncated_streams else "complete_window",
                     "coverage_warning": " ".join(warnings),
                 }
+            except StopIteration:
+                pass
             except RuntimeError as exc:
                 mcp_status = {"status": "error", "error": str(exc)}
                 events = []