feat: implement MySqlManagerService to fetch, track, and verify local MySQL installations

src/main/services/MySqlManagerService.ts

@@ -19,10 +19,8 @@ export class MySqlManagerService {
 
     constructor() {
         this.binDir = path.join(app.getPath('userData'), 'bin')
-        // In development, it's in src/main/resources, but we should handle both
         this.catalogPath = path.join(app.getAppPath(), 'src/main/resources/mysql_catalog.json')
         if (!fs.existsSync(this.catalogPath)) {
-            // Fallback for production or different root
             this.catalogPath = path.join(process.cwd(), 'src/main/resources/mysql_catalog.json')
         }
         this.init()
@@ -49,8 +47,13 @@ export class MySqlManagerService {
             const dynamicVersions: MySqlVersion[] = releases.map(v => {
                 const version = v.version
                 const cycle = v.series
-                // Pattern: https://downloads.mysql.com/archives/get/p/23/file/mysql-VERSION-winx64.zip
-                const url = `https://downloads.mysql.com/archives/get/p/23/file/mysql-${version}-winx64.zip`
+
+                // Extract MAJOR.MINOR (e.g. 8.0 from 8.0.40)
+                const versionParts = version.split('.')
+                const majorMinor = `${versionParts[0]}.${versionParts[1]}`
+
+                // Working CDN Pattern: https://cdn.mysql.com/archives/mysql-MAJOR.MINOR/mysql-VERSION-winx64.zip
+                const url = `https://cdn.mysql.com/archives/mysql-${majorMinor}/mysql-${version}-winx64.zip`
 
                 return {
                     id: `mysql-${version}`,