refactor: rename project from AgenticRAG to DocuMente

## Changes
- Update all references from AgenticRAG to DocuMente
- Update README.md with new project description and structure
- Update LICENSE with new project name
- Update API title and descriptions in main.py
- Update frontend components (Layout, Login, Dashboard, Settings)
- Update static HTML page
- Update all documentation files (prd-v2.md, frontend-plan.md, etc.)
- Update test files with new project name
- Update docker-compose.yml, Dockerfile, requirements.txt

## SEO Benefits
- DocuMente combines 'Documento' and 'Mente' (Italian for Document and Mind)
- Memorable and brandable name
- Reflects the core functionality: AI-powered document intelligence

🎉 Project officially renamed to DocuMente!

frontend/README.md

@@ -1,6 +1,6 @@
-# AgenticRAG Frontend
+# DocuMente Frontend
 
-Modern React-based web interface for AgenticRAG - Agentic Retrieval System powered by datapizza-ai.
+Modern React-based web interface for DocuMente - Sistema di Retrieval Agentico con AI.
 
 ## 🚀 Features
 

frontend/src/components/layout/Layout.tsx

@@ -57,7 +57,7 @@ export function Layout({ children }: LayoutProps) {
             <div className="p-2 rounded-lg bg-primary">
               <Brain className="h-5 w-5 text-primary-foreground" />
             </div>
-            <span className="text-xl font-bold">AgenticRAG</span>
+            <span className="text-xl font-bold">DocuMente</span>
           </Link>
           <Button
             variant="ghost"

frontend/src/pages/Dashboard.tsx

@@ -53,7 +53,7 @@ export function Dashboard() {
       <div>
         <h1 className="text-3xl font-bold tracking-tight">Dashboard</h1>
         <p className="text-muted-foreground">
-          Overview of your AgenticRAG system
+          Overview of your DocuMente system
         </p>
       </div>
 

frontend/src/pages/Login.tsx

@@ -42,7 +42,7 @@ export function Login() {
               <Brain className="h-8 w-8 text-primary" />
             </div>
           </div>
-          <CardTitle className="text-2xl text-center">Welcome to AgenticRAG</CardTitle>
+          <CardTitle className="text-2xl text-center">Welcome to DocuMente</CardTitle>
           <CardDescription className="text-center">
             Enter your API key to access the system
           </CardDescription>

frontend/src/pages/Settings.tsx

@@ -112,7 +112,7 @@ export function Settings() {
       <div>
         <h1 className="text-3xl font-bold tracking-tight">Settings</h1>
         <p className="text-muted-foreground">
-          Configure your AgenticRAG preferences
+          Configure your DocuMente preferences
         </p>
       </div>