Add detailed debugging logs to getBooks function to diagnose NKJV directory reading issue

backend/src/index.js

@@ -75,7 +75,11 @@ async function readMarkdownFile(filePath) {
 async function getBooks(version = 'esv') {
   try {
     const dataDir = getDataDir(version);
+    console.log(`Attempting to read books from: ${dataDir} for version: ${version}`);
+
     const items = await fs.readdir(dataDir);
+    console.log(`Found ${items.length} items in ${dataDir}`);
+
     const bookDirs = [];
 
     for (const item of items) {
@@ -83,21 +87,26 @@ async function getBooks(version = 'esv') {
       const stat = await fs.stat(itemPath);
 
       if (stat.isDirectory()) {
+        console.log(`Checking directory: ${item}`);
         // Check if directory contains markdown files
         try {
           const files = await fs.readdir(itemPath);
           if (files.some(file => file.endsWith('.md'))) {
             bookDirs.push(item);
+            console.log(`Added book: ${item} (${files.length} files)`);
           }
         } catch (error) {
           // Skip directories we can't read
+          console.log(`Could not read files in ${item}: ${error.message}`);
           continue;
         }
       }
     }
 
+    console.log(`Found ${bookDirs.length} books for version ${version}:`, bookDirs.slice(0, 5));
     return bookDirs;
   } catch (error) {
+    console.error(`Failed to read bible data directory for version ${version}:`, error.message);
     throw new Error(`Failed to read bible data directory for version ${version}`);
   }
 }