Initial commit

Sources/CoreModels/ModelManager.swift

@@ -0,0 +1,70 @@
+import Foundation
+import CoreUtils
+
+public struct ModelInfo: Codable, Identifiable {
+    public let id = UUID()
+    public let name: String
+    public let family: String
+    public let format: String
+    public let sizeMB: Int
+    public let languages: [String]
+    public let recommendedBackend: String
+    public let qualityTier: String
+    public let license: String
+    public let sha256: String
+    public let downloadURL: String
+    public let notes: String
+
+    enum CodingKeys: String, CodingKey {
+        case name, family, format, languages, license, sha256, notes
+        case sizeMB = "size_mb"
+        case recommendedBackend = "recommended_backend"
+        case qualityTier = "quality_tier"
+        case downloadURL = "download_url"
+    }
+}
+
+public class ModelManager: ObservableObject {
+    private let logger = Logger(category: "ModelManager")
+
+    @Published public private(set) var availableModels: [ModelInfo] = []
+    @Published public private(set) var downloadedModels: [ModelInfo] = []
+    @Published public private(set) var activeModel: ModelInfo?
+
+    private let modelsDirectory: URL
+
+    public init() {
+        let appSupport = FileManager.default.urls(for: .applicationSupportDirectory, in: .userDomainMask).first!
+        modelsDirectory = appSupport.appendingPathComponent("MenuWhisper/Models")
+
+        try? FileManager.default.createDirectory(at: modelsDirectory, withIntermediateDirectories: true)
+        loadModelCatalog()
+        refreshDownloadedModels()
+    }
+
+    public func downloadModel(_ model: ModelInfo) async throws {
+        logger.info("Starting download for model: \(model.name)")
+        // TODO: Implement model download with progress tracking and SHA256 verification in Phase 2
+    }
+
+    public func deleteModel(_ model: ModelInfo) throws {
+        logger.info("Deleting model: \(model.name)")
+        // TODO: Implement model deletion in Phase 2
+    }
+
+    public func setActiveModel(_ model: ModelInfo) {
+        logger.info("Setting active model: \(model.name)")
+        activeModel = model
+        // TODO: Persist active model selection in Phase 2
+    }
+
+    private func loadModelCatalog() {
+        // TODO: Load curated model catalog from bundled JSON in Phase 2
+        logger.info("Loading model catalog")
+    }
+
+    private func refreshDownloadedModels() {
+        // TODO: Scan models directory and populate downloadedModels in Phase 2
+        logger.info("Refreshing downloaded models")
+    }
+}