Update .gitignore to exclude user-uploaded CSV files and remove the group-dev-ad.csv file. Refactor page.tsx to handle CSV file uploads, localStorage management, and enhance user interface for data management. Remove API route for fetching people data from CSV.

lib/csv-parser-client.ts

@@ -0,0 +1,71 @@
+export interface Person {
+  nom: string;
+  description: string;
+  type: string;
+}
+
+export function parseCSVFromText(content: string): Person[] {
+  const lines = content.split('\n');
+  
+  // Skip header line
+  const dataLines = lines.slice(1);
+  
+  const people: Person[] = [];
+  
+  for (const line of dataLines) {
+    if (!line.trim()) continue;
+    
+    // Parse CSV line (handling quoted fields)
+    const fields = parseCSVLine(line);
+    
+    if (fields.length >= 7) {
+      const nom = fields[4]?.trim() || '';
+      const description = fields[5]?.trim() || '';
+      const type = fields[6]?.trim() || '';
+      
+      // Skip empty names and service accounts
+      if (nom && !nom.startsWith('svc.') && !nom.startsWith('!') && nom !== 'datascience') {
+        people.push({
+          nom,
+          description,
+          type,
+        });
+      }
+    }
+  }
+  
+  return people;
+}
+
+function parseCSVLine(line: string): string[] {
+  const fields: string[] = [];
+  let currentField = '';
+  let inQuotes = false;
+  
+  for (let i = 0; i < line.length; i++) {
+    const char = line[i];
+    
+    if (char === '"') {
+      if (inQuotes && line[i + 1] === '"') {
+        // Escaped quote
+        currentField += '"';
+        i++;
+      } else {
+        // Toggle quote state
+        inQuotes = !inQuotes;
+      }
+    } else if (char === ',' && !inQuotes) {
+      // Field separator
+      fields.push(currentField);
+      currentField = '';
+    } else {
+      currentField += char;
+    }
+  }
+  
+  // Add last field
+  fields.push(currentField);
+  
+  return fields.map(field => field.trim());
+}
+