Release 1.0.0 - Production ready

- Fixed AdminController export/import .env endpoints (moved from ConfigUpdateRequest class)
- Added ArtistId and AlbumId to integration test fixtures
- All 225 tests passing
- Version set to 1.0.0 (semantic versioning)
- MusicBrainz service ready for future ISRC-based matching (1.1.0)
- Import/export handles full .env configuration with timestamped backups

allstarr/Controllers/AdminController.cs

@@ -28,6 +28,7 @@ public class AdminController : ControllerBase
     private readonly DeezerSettings _deezerSettings;
     private readonly QobuzSettings _qobuzSettings;
     private readonly SquidWTFSettings _squidWtfSettings;
+    private readonly MusicBrainzSettings _musicBrainzSettings;
     private readonly SpotifyApiClient _spotifyClient;
     private readonly SpotifyPlaylistFetcher _playlistFetcher;
     private readonly SpotifyTrackMatchingService? _matchingService;
@@ -47,6 +48,7 @@ public class AdminController : ControllerBase
         IOptions<DeezerSettings> deezerSettings,
         IOptions<QobuzSettings> qobuzSettings,
         IOptions<SquidWTFSettings> squidWtfSettings,
+        IOptions<MusicBrainzSettings> musicBrainzSettings,
         SpotifyApiClient spotifyClient,
         SpotifyPlaylistFetcher playlistFetcher,
         RedisCacheService cache,
@@ -62,6 +64,7 @@ public class AdminController : ControllerBase
         _deezerSettings = deezerSettings.Value;
         _qobuzSettings = qobuzSettings.Value;
         _squidWtfSettings = squidWtfSettings.Value;
+        _musicBrainzSettings = musicBrainzSettings.Value;
         _spotifyClient = spotifyClient;
         _playlistFetcher = playlistFetcher;
         _matchingService = matchingService;
@@ -721,6 +724,14 @@ public class AdminController : ControllerBase
             squidWtf = new
             {
                 quality = _squidWtfSettings.Quality ?? "LOSSLESS"
+            },
+            musicBrainz = new
+            {
+                enabled = _musicBrainzSettings.Enabled,
+                username = _musicBrainzSettings.Username ?? "(not set)",
+                password = MaskValue(_musicBrainzSettings.Password),
+                baseUrl = _musicBrainzSettings.BaseUrl,
+                rateLimitMs = _musicBrainzSettings.RateLimitMs
             }
         });
     }
@@ -1551,6 +1562,85 @@ public class AdminController : ControllerBase
         // Only allow alphanumeric, underscore, and must start with letter/underscore
         return Regex.IsMatch(key, @"^[A-Z_][A-Z0-9_]*$", RegexOptions.IgnoreCase);
     }
+    
+    /// <summary>
+    /// Export .env file for backup/transfer
+    /// </summary>
+    [HttpGet("export-env")]
+    public IActionResult ExportEnv()
+    {
+        try
+        {
+            if (!System.IO.File.Exists(_envFilePath))
+            {
+                return NotFound(new { error = ".env file not found" });
+            }
+
+            var envContent = System.IO.File.ReadAllText(_envFilePath);
+            var bytes = System.Text.Encoding.UTF8.GetBytes(envContent);
+            
+            return File(bytes, "text/plain", ".env");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Failed to export .env file");
+            return StatusCode(500, new { error = "Failed to export .env file", details = ex.Message });
+        }
+    }
+    
+    /// <summary>
+    /// Import .env file from upload
+    /// </summary>
+    [HttpPost("import-env")]
+    public async Task<IActionResult> ImportEnv([FromForm] IFormFile file)
+    {
+        if (file == null || file.Length == 0)
+        {
+            return BadRequest(new { error = "No file provided" });
+        }
+
+        if (!file.FileName.EndsWith(".env"))
+        {
+            return BadRequest(new { error = "File must be a .env file" });
+        }
+
+        try
+        {
+            // Read uploaded file
+            using var reader = new StreamReader(file.OpenReadStream());
+            var content = await reader.ReadToEndAsync();
+            
+            // Validate it's a valid .env file (basic check)
+            if (string.IsNullOrWhiteSpace(content))
+            {
+                return BadRequest(new { error = ".env file is empty" });
+            }
+
+            // Backup existing .env
+            if (System.IO.File.Exists(_envFilePath))
+            {
+                var backupPath = $"{_envFilePath}.backup.{DateTime.UtcNow:yyyyMMddHHmmss}";
+                System.IO.File.Copy(_envFilePath, backupPath, true);
+                _logger.LogInformation("Backed up existing .env to {BackupPath}", backupPath);
+            }
+
+            // Write new .env file
+            await System.IO.File.WriteAllTextAsync(_envFilePath, content);
+            
+            _logger.LogInformation(".env file imported successfully");
+            
+            return Ok(new 
+            { 
+                success = true, 
+                message = ".env file imported successfully. Restart the application for changes to take effect." 
+            });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Failed to import .env file");
+            return StatusCode(500, new { error = "Failed to import .env file", details = ex.Message });
+        }
+    }
 }
 
 public class ConfigUpdateRequest