added migration and feature set for archer ticekts

backend/migrations/add_archer_tickets_table.js

@@ -0,0 +1,50 @@
+// Migration: Add archer_tickets table
+const sqlite3 = require('sqlite3').verbose();
+const path = require('path');
+
+const dbPath = path.join(__dirname, '..', 'cve_tracker.db');
+const db = new sqlite3.Database(dbPath);
+
+console.log('Starting Archer tickets migration...');
+
+db.serialize(() => {
+  // Create archer_tickets table
+  db.run(`
+    CREATE TABLE IF NOT EXISTS archer_tickets (
+      id INTEGER PRIMARY KEY AUTOINCREMENT,
+      exc_number TEXT NOT NULL UNIQUE,
+      archer_url TEXT,
+      status TEXT DEFAULT 'Draft' CHECK(status IN ('Draft', 'Open', 'Under Review', 'Accepted')),
+      cve_id TEXT NOT NULL,
+      vendor TEXT NOT NULL,
+      created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+      updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+      FOREIGN KEY (cve_id, vendor) REFERENCES cves(cve_id, vendor) ON DELETE CASCADE
+    )
+  `, (err) => {
+    if (err) console.error('Error creating table:', err);
+    else console.log('✓ archer_tickets table created');
+  });
+
+  // Create indexes
+  db.run('CREATE INDEX IF NOT EXISTS idx_archer_tickets_cve ON archer_tickets(cve_id, vendor)', (err) => {
+    if (err) console.error('Error creating CVE index:', err);
+    else console.log('✓ CVE index created');
+  });
+
+  db.run('CREATE INDEX IF NOT EXISTS idx_archer_tickets_status ON archer_tickets(status)', (err) => {
+    if (err) console.error('Error creating status index:', err);
+    else console.log('✓ Status index created');
+  });
+
+  db.run('CREATE INDEX IF NOT EXISTS idx_archer_tickets_exc ON archer_tickets(exc_number)', (err) => {
+    if (err) console.error('Error creating EXC number index:', err);
+    else console.log('✓ EXC number index created');
+  });
+
+  console.log('✓ Indexes created');
+});
+
+db.close(() => {
+  console.log('Migration complete!');
+});