chore: update n8n to v1.101.1

- Updated n8n from 1.100.1 to 1.101.1
- Updated n8n-core from 1.99.0 to 1.100.0
- Updated n8n-workflow from 1.97.0 to 1.98.0
- Updated @n8n/n8n-nodes-langchain from 1.99.0 to 1.100.1
- Rebuilt node database with 528 nodes
- All validation tests passing
- Bumped version to 2.7.12

🤖 Generated with [Claude Code](https://claude.ai/code)

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

scripts/debug-fuzzy.ts

@@ -0,0 +1,48 @@
+#!/usr/bin/env node
+
+import { N8NDocumentationMCPServer } from '../src/mcp/server';
+
+async function debugFuzzy() {
+  const server = new N8NDocumentationMCPServer();
+  await new Promise(resolve => setTimeout(resolve, 1000));
+  
+  // Get the actual implementation
+  const serverAny = server as any;
+  
+  // Test nodes we expect to find
+  const testNodes = [
+    { node_type: 'nodes-base.slack', display_name: 'Slack', description: 'Consume Slack API' },
+    { node_type: 'nodes-base.webhook', display_name: 'Webhook', description: 'Handle webhooks' },
+    { node_type: 'nodes-base.httpRequest', display_name: 'HTTP Request', description: 'Make HTTP requests' },
+    { node_type: 'nodes-base.emailSend', display_name: 'Send Email', description: 'Send emails' }
+  ];
+  
+  const testQueries = ['slak', 'webook', 'htpp', 'emial'];
+  
+  console.log('Testing fuzzy scoring...\n');
+  
+  for (const query of testQueries) {
+    console.log(`\nQuery: "${query}"`);
+    console.log('-'.repeat(40));
+    
+    for (const node of testNodes) {
+      const score = serverAny.calculateFuzzyScore(node, query);
+      const distance = serverAny.getEditDistance(query, node.display_name.toLowerCase());
+      console.log(`${node.display_name.padEnd(15)} - Score: ${score.toFixed(0).padStart(4)}, Distance: ${distance}`);
+    }
+    
+    // Test actual search
+    console.log('\nActual search result:');
+    const result = await server.executeTool('search_nodes', {
+      query: query,
+      mode: 'FUZZY',
+      limit: 5
+    });
+    console.log(`Found ${result.results.length} results`);
+    if (result.results.length > 0) {
+      console.log('Top result:', result.results[0].displayName);
+    }
+  }
+}
+
+debugFuzzy().catch(console.error);