fix: Add error handling and display for podcast workflow failures

- Improve error message handling for common API failures
- Add announcementSeverity state for error/success styling
- Display errors with red alert styling in podcast dashboard

frontend/src/components/PodcastMaker/PodcastDashboard.tsx

@@ -177,12 +177,12 @@ const PodcastDashboard: React.FC = () => {
           {/* Announcements */}
           {workflow.announcement && (
             <Alert
-              severity="info"
+              severity={workflow.announcementSeverity || "info"}
               onClose={() => workflow.setAnnouncement("")}
               sx={{
-                background: "#dbeafe",
-                border: "1px solid #bfdbfe",
-                "& .MuiAlert-icon": { color: "#3b82f6" },
+                background: workflow.announcementSeverity === "error" ? "#fef2f2" : workflow.announcementSeverity === "success" ? "#f0fdf4" : "#dbeafe",
+                border: `1px solid ${workflow.announcementSeverity === "error" ? "#fecaca" : workflow.announcementSeverity === "success" ? "#bbf7d0" : "#bfdbfe"}`,
+                "& .MuiAlert-icon": { color: workflow.announcementSeverity === "error" ? "#ef4444" : workflow.announcementSeverity === "success" ? "#22c55e" : "#3b82f6" },
               }}
             >
               {workflow.announcement}

frontend/src/components/PodcastMaker/PodcastDashboard/usePodcastWorkflow.ts

@@ -48,6 +48,7 @@ export const usePodcastWorkflow = ({ projectState, onError }: UsePodcastWorkflow
   const [isAnalyzing, setIsAnalyzing] = useState(false);
   const [isResearching, setIsResearching] = useState(false);
   const [announcement, setAnnouncement] = useState("");
+  const [announcementSeverity, setAnnouncementSeverity] = useState<"info" | "error" | "success">("info");
   const [showResumeAlert, setShowResumeAlert] = useState(false);
   const [showPreflightDialog, setShowPreflightDialog] = useState(false);
   const [preflightResponse, setPreflightResponse] = useState<any>(null);
@@ -216,10 +217,10 @@ export const usePodcastWorkflow = ({ projectState, onError }: UsePodcastWorkflow
           setAnnouncement("Subscription limit reached. Please upgrade to continue.");
         } else {
           const message = typeof errorDetail === 'string' ? errorDetail : errorDetail.message || errorDetail.error || 'Request limit exceeded';
-          announceError(setAnnouncement, new Error(message));
+          announceError(setAnnouncement, setAnnouncementSeverityFn, new Error(message));
         }
       } else {
-        announceError(setAnnouncement, error);
+        announceError(setAnnouncement, setAnnouncementSeverityFn, error);
       }
     } finally {
       setIsAnalyzing(false);
@@ -396,11 +397,16 @@ export const usePodcastWorkflow = ({ projectState, onError }: UsePodcastWorkflow
     await handleCreate(payload, feedback);
   }, [project, projectState.knobs, projectState.budgetCap, handleCreate]);
 
+  const setAnnouncementSeverityFn = useCallback((severity: "info" | "error" | "success") => {
+    setAnnouncementSeverity(severity);
+  }, []);
+
   return {
     // State
     isAnalyzing,
     isResearching,
     announcement,
+    announcementSeverity,
     showResumeAlert,
     showPreflightDialog,
     preflightResponse,
@@ -415,6 +421,7 @@ export const usePodcastWorkflow = ({ projectState, onError }: UsePodcastWorkflow
     handleProceedToRendering,
     toggleQuery,
     setAnnouncement,
+    setAnnouncementSeverity: setAnnouncementSeverityFn,
     setShowResumeAlert,
     setShowPreflightDialog,
     setPreflightResponse,

frontend/src/components/PodcastMaker/PodcastDashboard/utils.ts

@@ -54,9 +54,31 @@ export const sanitizeExaConfig = (
   };
 };
 
-export const announceError = (setAnnouncement: (msg: string) => void, error: unknown) => {
-  const message = error instanceof Error ? error.message : "Unexpected error";
+export const announceError = (
+  setAnnouncement: (msg: string) => void,
+  setAnnouncementSeverity?: (severity: "info" | "error" | "success") => void,
+  error?: unknown
+) => {
+  let message = "Unexpected error occurred. Please try again.";
+  if (error instanceof Error) {
+    message = error.message;
+    // Simplify common error messages
+    if (message.includes("RESOURCE_EXHAUSTED") || message.includes("quota")) {
+      message = "API quota exceeded. Please check your API keys or try again later.";
+    } else if (message.includes("All LLM providers failed")) {
+      message = "AI service temporarily unavailable. Please try again later.";
+    } else if (message.includes("No LLM API keys configured")) {
+      message = "API keys not configured. Please contact support.";
+    } else if (message.includes("RESOURCE_EXHAUSTED")) {
+      message = "API quota exceeded. Please check your subscription or try again later.";
+    } else if (message.length > 100) {
+      message = "An error occurred during analysis. Please try again.";
+    }
+  }
   setAnnouncement(message);
+  if (setAnnouncementSeverity) {
+    setAnnouncementSeverity("error");
+  }
 };
 
 export const getStepLabel = (step: string | null): string => {