update

frontend/src/components/campaigns/CampaignsDashboardTab.jsx

@@ -183,7 +183,7 @@ export default function CampaignsDashboardTab() {
     useEffect(() => {
         const tick = async () => {
             const list = campaignsRef.current.filter(
-                (c) => c.fileId && !c.generationComplete
+                (c) => c.fileId && !c.generationComplete && !c.generationStatusUnavailable
             );
             if (!list.length) return;
             const updates = await Promise.all(
@@ -192,6 +192,13 @@ export default function CampaignsDashboardTab() {
                         const res = await apiFetch(
                             `/api/generation-status?file_id=${encodeURIComponent(c.fileId)}`
                         );
+                        if (res.status === 404) {
+                            return {
+                                id: c.id,
+                                skip: false,
+                                generationStatusUnavailable: true,
+                            };
+                        }
                         if (!res.ok) return { id: c.id, skip: true };
                         const status = await res.json();
                         return {
@@ -208,7 +215,11 @@ export default function CampaignsDashboardTab() {
             setCampaigns((prev) =>
                 prev.map((c) => {
                     const u = updates.find((x) => x.id === c.id);
-                    if (!u || u.skip) return c;
+                    if (!u) return c;
+                    if (u.skip) return c;
+                    if (u.generationStatusUnavailable) {
+                        return { ...c, generationStatusUnavailable: true };
+                    }
                     return {
                         ...c,
                         generationComplete: u.generationComplete,

frontend/src/components/campaigns/CreateCampaignWizard.jsx

@@ -325,6 +325,8 @@ export default function CreateCampaignWizard({
     const promptEditorRef = useRef(null);
     const prevGenRunIdRef = useRef(null);
     const hydratedCampaignIdRef = useRef(null);
+    const openRef = useRef(open);
+    openRef.current = open;
 
     const sequenceHasLinkedin = useMemo(
         () =>
@@ -361,13 +363,33 @@ export default function CreateCampaignWizard({
     }, []);
 
     useEffect(() => {
-        if (!open) reset();
-    }, [open, reset]);
+        if (!open) {
+            if (genRunning) return;
+            reset();
+        }
+    }, [open, genRunning, reset]);
+
+    /** Fresh "Create" session — clear any in-component state (including orphan streams). */
+    useEffect(() => {
+        if (open && !initialCampaign?.id) {
+            reset();
+        }
+    }, [open, initialCampaign?.id, reset]);
 
     useEffect(() => {
         if (!open || !initialCampaign?.id) return;
         if (hydratedCampaignIdRef.current === initialCampaign.id) return;
         hydratedCampaignIdRef.current = initialCampaign.id;
+        const incomingFile = initialCampaign.fileId || null;
+        const currentFile = wizardUpload?.fileId ?? null;
+        if (eventSourceRef.current) {
+            const keepStream =
+                !!incomingFile && !!currentFile && incomingFile === currentFile;
+            if (!keepStream) {
+                eventSourceRef.current.close();
+                eventSourceRef.current = null;
+            }
+        }
         setGenSequences([]);
         setGenContacts([]);
         setGenRunId(0);
@@ -412,7 +434,7 @@ export default function CreateCampaignWizard({
                 ? { ...initialCampaign.wizardLinkedinPrompts }
                 : {}
         );
-    }, [open, initialCampaign?.id]);
+    }, [open, initialCampaign?.id, wizardUpload?.fileId]);
 
     useEffect(() => {
         if (!open || !wizardUpload?.fileId || !initialCampaign?.id) return;
@@ -605,12 +627,18 @@ export default function CreateCampaignWizard({
                     setGenComplete(true);
                     es.close();
                     if (eventSourceRef.current === es) eventSourceRef.current = null;
+                    if (!openRef.current) {
+                        reset();
+                    }
                 } else if (data.type === 'error') {
                     console.error(data.error);
                     alert(`Generation error: ${data.error}`);
                     setGenRunning(false);
                     es.close();
                     if (eventSourceRef.current === es) eventSourceRef.current = null;
+                    if (!openRef.current) {
+                        reset();
+                    }
                 }
             } catch (e) {
                 console.error(e);
@@ -762,7 +790,6 @@ export default function CreateCampaignWizard({
             generationProgressPercent: Math.min(100, Math.round(genProgress || 0)),
         });
         onOpenChange(false);
-        reset();
     };
 
     useEffect(() => {