v2.0.9 — limit notifications at 80%/95% and on reset

ClaudeChecker/UsageViewModel.swift

@@ -1,5 +1,6 @@
 import SwiftUI
 import WebKit
+import UserNotifications
 
 @MainActor
 class UsageViewModel: ObservableObject {
@@ -29,6 +30,8 @@ class UsageViewModel: ObservableObject {
     private var burnHistoryStore: [String: [Double]] = [:]
     private let maxHistorySamples = 24
     private var cachedOrgId: String?
+    private var previousPercents: [String: Double] = [:]
+    private var firedThresholds: [String: Set<Int>] = [:]
 
     init() {
         cachedOrgId = UserDefaults.standard.string(forKey: "claude_org_id") ?? Self.orgId
@@ -84,6 +87,7 @@ class UsageViewModel: ObservableObject {
                 burnHistoryStore[key] = history
                 if history.count > 1 { limits[i].burnHistory = history }
             }
+            checkLimitNotifications(for: limits)
         } catch AppError.notAuthenticated {
             isNotAuthenticated = true
             errorMessage = "Not signed in"
@@ -234,6 +238,50 @@ class UsageViewModel: ObservableObject {
         return result
     }
 
+    // MARK: - Limit notifications
+
+    private func checkLimitNotifications(for limits: [AgentLimit]) {
+        let center = UNUserNotificationCenter.current()
+        let thresholds = [80, 95]
+
+        for limit in limits {
+            let key = limit.window.rawValue
+            let curr = limit.usedPercent
+            let prev = previousPercents[key]
+            var fired = firedThresholds[key] ?? []
+
+            // Threshold warnings (80% and 95%)
+            for t in thresholds {
+                let threshold = Double(t)
+                guard curr >= threshold, prev ?? threshold < threshold, !fired.contains(t) else { continue }
+                fired.insert(t)
+                let content = UNMutableNotificationContent()
+                content.title = "Claude \(limit.window.displayName) limit"
+                content.body = t == 95
+                    ? "\(Int(curr.rounded()))% used — almost at your limit"
+                    : "\(Int(curr.rounded()))% used — approaching your limit"
+                content.sound = .default
+                center.add(UNNotificationRequest(identifier: "cc_limit_\(key)_\(t)", content: content, trigger: nil))
+            }
+
+            // Reset detection: was high, now low
+            if let prev, prev > 50, curr < 20 {
+                fired.removeAll()
+                let content = UNMutableNotificationContent()
+                content.title = "Claude \(limit.window.displayName) limit reset"
+                content.body = "Your \(limit.window.displayName) quota has been reset"
+                content.sound = .default
+                center.add(UNNotificationRequest(
+                    identifier: "cc_reset_\(key)_\(Int(Date().timeIntervalSince1970))",
+                    content: content, trigger: nil
+                ))
+            }
+
+            firedThresholds[key] = fired
+            previousPercents[key] = curr
+        }
+    }
+
     private func loadPlaceholderData() {
         let now = Date()
         limits = [