feat(upload): support multiple CV uploads concurrently with progress list

app/(dashboard)/candidates/page.tsx

@@ -28,12 +28,19 @@ interface Candidate {
   created_at: string;
 }
 
+interface UploadFileStatus {
+  name: string;
+  status: "uploading" | "success" | "error";
+  errorMessage?: string;
+}
+
 export default function CandidatesPage() {
   const [candidates, setCandidates] = useState<Candidate[]>([]);
   const [loading, setLoading] = useState(true);
   const [uploading, setUploading] = useState(false);
   const [uploadError, setUploadError] = useState<string | null>(null);
   const [uploadSuccess, setUploadSuccess] = useState<string | null>(null);
+  const [uploadStatuses, setUploadStatuses] = useState<UploadFileStatus[]>([]);
 
   const fetchCandidates = () => {
     fetch("/api/candidates")
@@ -55,21 +62,36 @@ export default function CandidatesPage() {
     fetchCandidates();
   }, []);
 
-  // Upload PDF CV in a vacuum
+  // Upload PDF CVs in a vacuum
   const handleFileUpload = async (e: React.ChangeEvent<HTMLInputElement>) => {
-    const file = e.target.files?.[0];
+    const files = e.target.files;
-    if (!file) return;
+    if (!files || files.length === 0) return;
 
-    if (file.type !== "application/pdf") {
+    const fileList = Array.from(files);
-      setUploadError("Please upload a PDF file");
-      return;
-    }
     
-    try {
+    // Set initial status
+    const initialStatuses = fileList.map((file) => ({
+      name: file.name,
+      status: "uploading" as const,
+    }));
+    setUploadStatuses(initialStatuses);
     setUploading(true);
     setUploadError(null);
     setUploadSuccess(null);
 
+    const uploadPromises = fileList.map(async (file, index) => {
+      if (file.type !== "application/pdf") {
+        setUploadStatuses((prev) =>
+          prev.map((status, idx) =>
+            idx === index
+              ? { ...status, status: "error" as const, errorMessage: "Only PDF files are allowed" }
+              : status
+          )
+        );
+        return;
+      }
+
+      try {
         const formData = new FormData();
         formData.append("file", file);
 
@@ -83,15 +105,30 @@ export default function CandidatesPage() {
           throw new Error(errData.error || "Failed to process CV");
         }
 
-      const resData = await res.json();
+        await res.json();
-      setUploadSuccess(`CV for ${resData.candidateName || file.name} successfully parsed!`);
+        setUploadStatuses((prev) =>
-      fetchCandidates();
+          prev.map((status, idx) =>
+            idx === index
+              ? { ...status, status: "success" as const }
+              : status
+          )
+        );
       } catch (err: unknown) {
-      setUploadError(err instanceof Error ? err.message : "Error uploading CV");
+        const msg = err instanceof Error ? err.message : "Error uploading CV";
-    } finally {
+        setUploadStatuses((prev) =>
-      setUploading(false);
+          prev.map((status, idx) =>
-      e.target.value = "";
+            idx === index
+              ? { ...status, status: "error" as const, errorMessage: msg }
+              : status
+          )
+        );
       }
+    });
+
+    await Promise.all(uploadPromises);
+    setUploading(false);
+    fetchCandidates();
+    e.target.value = "";
   };
 
   return (
@@ -115,10 +152,11 @@ export default function CandidatesPage() {
           No job position will be associated initially, keeping the data isolated.
         </p>
         <label className="relative cursor-pointer bg-blue-600 hover:bg-blue-700 text-white font-semibold py-2 px-4 rounded-md text-sm transition duration-200">
-          {uploading ? "Processing CV..." : "Upload CV File"}
+          {uploading ? "Uploading CVs..." : "Upload CV Files"}
           <input
             type="file"
             accept=".pdf"
+            multiple
             onChange={handleFileUpload}
             disabled={uploading}
             className="hidden"
@@ -134,6 +172,43 @@ export default function CandidatesPage() {
             {uploadSuccess}
           </p>
         )}
+        {uploadStatuses.length > 0 && (
+          <div className="mt-4 w-full max-w-md border border-slate-200 rounded-md p-4 bg-slate-50 text-left">
+            <h4 className="text-xs font-semibold text-slate-900 mb-2 uppercase tracking-wider">
+              Upload Progress
+            </h4>
+            <ul className="divide-y divide-slate-200">
+              {uploadStatuses.map((item, idx) => (
+                <li key={idx} className="py-2 flex flex-col gap-1 text-xs">
+                  <div className="flex items-center justify-between">
+                    <span className="font-medium text-slate-700 truncate max-w-[250px]" title={item.name}>
+                      {item.name}
+                    </span>
+                    {item.status === "uploading" && (
+                      <span className="text-slate-600 font-semibold flex items-center gap-1">
+                        <span className="w-1.5 h-1.5 rounded-full bg-slate-400 animate-pulse"></span>
+                        Uploading...
+                      </span>
+                    )}
+                    {item.status === "success" && (
+                      <span className="text-green-600 font-semibold flex items-center gap-1">
+                        ✓ Success
+                      </span>
+                    )}
+                    {item.status === "error" && (
+                      <span className="text-red-600 font-semibold flex items-center gap-1">
+                        ✗ Error
+                      </span>
+                    )}
+                  </div>
+                  {item.errorMessage && (
+                    <p className="text-red-600 font-normal mt-0.5">{item.errorMessage}</p>
+                  )}
+                </li>
+              ))}
+            </ul>
+          </div>
+        )}
       </div>
 
       {loading ? (

app/(dashboard)/jobs/page.tsx

@@ -69,6 +69,12 @@ const skillsMatch = (candSkill: string, jobSkill: string): boolean => {
   return sharedWords.length > 0;
 };
 
+interface UploadFileStatus {
+  name: string;
+  status: "uploading" | "success" | "error";
+  errorMessage?: string;
+}
+
 export default function JobsPage() {
   const [jobs, setJobs] = useState<Job[]>([]);
   const [selectedJob, setSelectedJob] = useState<Job | null>(null);
@@ -79,6 +85,7 @@ export default function JobsPage() {
   const [uploading, setUploading] = useState(false);
   const [uploadError, setUploadError] = useState<string | null>(null);
   const [uploadSuccess, setUploadSuccess] = useState<string | null>(null);
+  const [uploadStatuses, setUploadStatuses] = useState<UploadFileStatus[]>([]);
 
   // Evaluation states
   const [evaluatingIds, setEvaluatingIds] = useState<Record<string, boolean>>({});
@@ -130,6 +137,10 @@ export default function JobsPage() {
   useEffect(() => {
     let active = true;
 
+    Promise.resolve().then(() => {
+      if (active) setUploadStatuses([]);
+    });
+
     if (!selectedJob) {
       Promise.resolve().then(() => {
         if (active) setMatches([]);
@@ -195,21 +206,35 @@ export default function JobsPage() {
     }
   };
 
-  // Upload PDF CV
+  // Upload PDF CVs
   const handleFileUpload = async (e: React.ChangeEvent<HTMLInputElement>) => {
-    const file = e.target.files?.[0];
+    const files = e.target.files;
-    if (!file || !selectedJob) return;
+    if (!files || files.length === 0 || !selectedJob) return;
 
-    if (file.type !== "application/pdf") {
+    const fileList = Array.from(files);
-      setUploadError("Please upload a PDF file");
-      return;
-    }
 
-    try {
+    const initialStatuses = fileList.map((file) => ({
+      name: file.name,
+      status: "uploading" as const,
+    }));
+    setUploadStatuses(initialStatuses);
     setUploading(true);
     setUploadError(null);
     setUploadSuccess(null);
 
+    const uploadPromises = fileList.map(async (file, index) => {
+      if (file.type !== "application/pdf") {
+        setUploadStatuses((prev) =>
+          prev.map((status, idx) =>
+            idx === index
+              ? { ...status, status: "error" as const, errorMessage: "Only PDF files are allowed" }
+              : status
+          )
+        );
+        return;
+      }
+
+      try {
         const formData = new FormData();
         formData.append("file", file);
         formData.append("jobId", selectedJob.id);
@@ -224,8 +249,28 @@ export default function JobsPage() {
           throw new Error(errData.error || "Failed to process CV");
         }
 
-      const resData = await res.json();
+        await res.json();
-      setUploadSuccess(`CV for ${resData.candidateName || file.name} successfully parsed and linked!`);
+        setUploadStatuses((prev) =>
+          prev.map((status, idx) =>
+            idx === index
+              ? { ...status, status: "success" as const }
+              : status
+          )
+        );
+      } catch (err: unknown) {
+        const msg = err instanceof Error ? err.message : "Error uploading CV";
+        setUploadStatuses((prev) =>
+          prev.map((status, idx) =>
+            idx === index
+              ? { ...status, status: "error" as const, errorMessage: msg }
+              : status
+          )
+        );
+      }
+    });
+
+    await Promise.all(uploadPromises);
+    setUploading(false);
 
     // Refresh matches for current job
     const matchesRes = await fetch(`/api/candidates?jobId=${selectedJob.id}`);
@@ -233,13 +278,8 @@ export default function JobsPage() {
       const matchesData = await matchesRes.json();
       setMatches(matchesData);
     }
-    } catch (err: unknown) {
+    
-      setUploadError(err instanceof Error ? err.message : "Error uploading CV");
-    } finally {
-      setUploading(false);
-      // Clear file input
     e.target.value = "";
-    }
   };
 
   // Run deep AI evaluation via backend endpoint
@@ -498,13 +538,14 @@ export default function JobsPage() {
                 Upload Candidate CV for this Vacancy (PDF)
               </h3>
               <p className="text-xs text-slate-500 mb-4 max-w-md">
-                Uploading a candidate CV parses the text and extracts their skills/profile in a vacuum. It associates them with this job, enabling you to check skills overlap before running the deep AI score model.
+                Uploading a candidate CV parses the text and extracts their skills/profile. It associates them with this job, enabling you to check skills overlap before running the deep AI score model.
               </p>
               <label className="relative cursor-pointer bg-blue-600 hover:bg-blue-700 text-white font-semibold py-2 px-4 rounded-md text-sm transition duration-200">
-                {uploading ? "Processing CV..." : "Choose CV File"}
+                {uploading ? "Uploading CVs..." : "Choose CV Files"}
                 <input
                   type="file"
                   accept=".pdf"
+                  multiple
                   onChange={handleFileUpload}
                   disabled={uploading}
                   className="hidden"
@@ -520,6 +561,43 @@ export default function JobsPage() {
                   {uploadSuccess}
                 </p>
               )}
+              {uploadStatuses.length > 0 && (
+                <div className="mt-4 w-full max-w-md border border-slate-200 rounded-md p-4 bg-slate-50 text-left">
+                  <h4 className="text-xs font-semibold text-slate-900 mb-2 uppercase tracking-wider">
+                    Upload Progress
+                  </h4>
+                  <ul className="divide-y divide-slate-200">
+                    {uploadStatuses.map((item, idx) => (
+                      <li key={idx} className="py-2 flex flex-col gap-1 text-xs">
+                        <div className="flex items-center justify-between">
+                          <span className="font-medium text-slate-700 truncate max-w-[250px]" title={item.name}>
+                            {item.name}
+                          </span>
+                          {item.status === "uploading" && (
+                            <span className="text-slate-600 font-semibold flex items-center gap-1">
+                              <span className="w-1.5 h-1.5 rounded-full bg-slate-400 animate-pulse"></span>
+                              Uploading...
+                            </span>
+                          )}
+                          {item.status === "success" && (
+                            <span className="text-green-600 font-semibold flex items-center gap-1">
+                              ✓ Success
+                            </span>
+                          )}
+                          {item.status === "error" && (
+                            <span className="text-red-600 font-semibold flex items-center gap-1">
+                              ✗ Error
+                            </span>
+                          )}
+                        </div>
+                        {item.errorMessage && (
+                          <p className="text-red-600 font-normal mt-0.5">{item.errorMessage}</p>
+                        )}
+                      </li>
+                    ))}
+                  </ul>
+                </div>
+              )}
             </div>
 
             {/* Matches List */}