Yattee v2 rewrite

Yattee/Models/PlayerControls/Gestures/SeekGestureSensitivity.swift

@@ -0,0 +1,54 @@
+//
+//  SeekGestureSensitivity.swift
+//  Yattee
+//
+//  Sensitivity levels for horizontal seek gesture.
+//
+
+import Foundation
+
+/// Sensitivity presets for the horizontal seek gesture.
+/// Controls how much seeking occurs per screen width of drag.
+enum SeekGestureSensitivity: String, Codable, CaseIterable, Hashable, Sendable {
+    case low
+    case medium
+    case high
+
+    // MARK: - Seek Configuration
+
+    /// Base seconds of seeking per full screen width drag.
+    /// This value is scaled by video duration using a multiplier.
+    var baseSecondsPerScreenWidth: Double {
+        switch self {
+        case .low: 30
+        case .medium: 60
+        case .high: 120
+        }
+    }
+
+    // MARK: - Display
+
+    /// Localized display name for the sensitivity level.
+    var displayName: String {
+        switch self {
+        case .low:
+            String(localized: "gestures.seek.sensitivity.low", defaultValue: "Low")
+        case .medium:
+            String(localized: "gestures.seek.sensitivity.medium", defaultValue: "Medium")
+        case .high:
+            String(localized: "gestures.seek.sensitivity.high", defaultValue: "High")
+        }
+    }
+
+    /// Localized description of what this sensitivity level is best for.
+    var description: String {
+        switch self {
+        case .low:
+            String(localized: "gestures.seek.sensitivity.low.description", defaultValue: "Precise control")
+        case .medium:
+            String(localized: "gestures.seek.sensitivity.medium.description", defaultValue: "Balanced")
+        case .high:
+            String(localized: "gestures.seek.sensitivity.high.description", defaultValue: "Fast navigation")
+        }
+    }
+}