Add file deleting functionality to the admin panel

services/database.ts

@@ -1,6 +1,7 @@
 import { Database } from "bun:sqlite";
 import crypto from "crypto";
 import fs from "fs";
+import path from "path";
 import { config } from "./config.js";
 
 // Database integrity fixes function
@@ -1208,6 +1209,41 @@ export async function getFeedCategoryMigrationStatus(): Promise<{
   }
 }
 
+export async function deleteEpisode(episodeId: string): Promise<boolean> {
+  try {
+    // Get episode info first to find the audio file path
+    const episodeStmt = db.prepare("SELECT audio_path FROM episodes WHERE id = ?");
+    const episode = episodeStmt.get(episodeId) as any;
+    
+    if (!episode) {
+      return false; // Episode not found
+    }
+
+    // Delete from database
+    const deleteStmt = db.prepare("DELETE FROM episodes WHERE id = ?");
+    const result = deleteStmt.run(episodeId);
+
+    // If database deletion successful, try to delete the audio file
+    if (result.changes > 0 && episode.audio_path) {
+      try {
+        const fullAudioPath = path.join(config.paths.projectRoot, episode.audio_path);
+        if (fs.existsSync(fullAudioPath)) {
+          fs.unlinkSync(fullAudioPath);
+          console.log(`🗑️  Deleted audio file: ${fullAudioPath}`);
+        }
+      } catch (fileError) {
+        console.warn(`⚠️  Failed to delete audio file ${episode.audio_path}:`, fileError);
+        // Don't fail the operation if file deletion fails
+      }
+    }
+
+    return result.changes > 0;
+  } catch (error) {
+    console.error("Error deleting episode:", error);
+    throw error;
+  }
+}
+
 export function closeDatabase(): void {
   db.close();
 }