Initial commit: LeadFlow lead generation platform

Full-stack Next.js 16 app with three scraping pipelines:
- AirScale CSV → Anymailfinder Bulk Decision Maker search
- LinkedIn Sales Navigator → Vayne → Anymailfinder email enrichment
- Apify Google SERP → domain extraction → Anymailfinder bulk enrichment

Includes Docker multi-stage build + docker-compose for Coolify deployment.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

components/shared/FileDropZone.tsx

@@ -0,0 +1,68 @@
+"use client";
+
+import { useCallback, useState } from "react";
+import { cn } from "@/lib/utils";
+import { Upload, FileText } from "lucide-react";
+
+interface FileDropZoneProps {
+  onFile: (content: string, filename: string) => void;
+  accept?: string;
+  label?: string;
+}
+
+export function FileDropZone({ onFile, accept = ".csv", label = "Drop your CSV file here" }: FileDropZoneProps) {
+  const [dragging, setDragging] = useState(false);
+  const [filename, setFilename] = useState<string | null>(null);
+
+  const processFile = useCallback((file: File) => {
+    const reader = new FileReader();
+    reader.onload = (e) => {
+      onFile(e.target?.result as string, file.name);
+      setFilename(file.name);
+    };
+    reader.readAsText(file);
+  }, [onFile]);
+
+  const onDrop = useCallback((e: React.DragEvent) => {
+    e.preventDefault();
+    setDragging(false);
+    const file = e.dataTransfer.files[0];
+    if (file) processFile(file);
+  }, [processFile]);
+
+  const onInputChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+    const file = e.target.files?.[0];
+    if (file) processFile(file);
+  };
+
+  return (
+    <label
+      className={cn(
+        "relative flex flex-col items-center justify-center w-full h-40 border-2 border-dashed rounded-xl cursor-pointer transition-all",
+        dragging
+          ? "border-blue-500 bg-blue-500/5 shadow-[0_0_20px_rgba(59,130,246,0.15)]"
+          : filename
+          ? "border-green-500/50 bg-green-500/5"
+          : "border-[#2e2e3e] bg-[#0d0d18] hover:border-blue-500/50 hover:bg-blue-500/5"
+      )}
+      onDragOver={(e) => { e.preventDefault(); setDragging(true); }}
+      onDragLeave={() => setDragging(false)}
+      onDrop={onDrop}
+    >
+      <input type="file" accept={accept} className="sr-only" onChange={onInputChange} />
+      {filename ? (
+        <div className="flex flex-col items-center gap-2">
+          <FileText className="w-8 h-8 text-green-400" />
+          <span className="text-sm text-green-400 font-medium">{filename}</span>
+          <span className="text-xs text-gray-500">Click to replace</span>
+        </div>
+      ) : (
+        <div className="flex flex-col items-center gap-2 text-center">
+          <Upload className="w-8 h-8 text-gray-500" />
+          <span className="text-sm text-gray-300">{label}</span>
+          <span className="text-xs text-gray-500">Click to browse or drag & drop</span>
+        </div>
+      )}
+    </label>
+  );
+}