Add ez-assistant and kerberos service folders

docker-compose/ez-assistant/apps/macos/Sources/Moltbot/UsageData.swift

@@ -0,0 +1,104 @@
+import Foundation
+
+struct GatewayUsageWindow: Codable {
+    let label: String
+    let usedPercent: Double
+    let resetAt: Double?
+}
+
+struct GatewayUsageProvider: Codable {
+    let provider: String
+    let displayName: String
+    let windows: [GatewayUsageWindow]
+    let plan: String?
+    let error: String?
+}
+
+struct GatewayUsageSummary: Codable {
+    let updatedAt: Double
+    let providers: [GatewayUsageProvider]
+}
+
+struct UsageRow: Identifiable {
+    let id: String
+    let providerId: String
+    let displayName: String
+    let plan: String?
+    let windowLabel: String?
+    let usedPercent: Double?
+    let resetAt: Date?
+    let error: String?
+
+    var hasError: Bool {
+        if let error, !error.isEmpty { return true }
+        return false
+    }
+
+    var titleText: String {
+        if let plan, !plan.isEmpty { return "\(self.displayName) (\(plan))" }
+        return self.displayName
+    }
+
+    var remainingPercent: Int? {
+        guard let usedPercent, usedPercent.isFinite else { return nil }
+        let remaining = max(0, min(100, Int(round(100 - usedPercent))))
+        return remaining
+    }
+
+    func detailText(now: Date = .init()) -> String {
+        guard let remaining = self.remainingPercent else { return "No data" }
+        var parts = ["\(remaining)% left"]
+        if let windowLabel, !windowLabel.isEmpty { parts.append(windowLabel) }
+        if let resetAt {
+            let reset = UsageRow.formatResetRemaining(target: resetAt, now: now)
+            if let reset { parts.append("⏱\(reset)") }
+        }
+        return parts.joined(separator: " · ")
+    }
+
+    private static func formatResetRemaining(target: Date, now: Date) -> String? {
+        let diff = target.timeIntervalSince(now)
+        if diff <= 0 { return "now" }
+        let minutes = Int(floor(diff / 60))
+        if minutes < 60 { return "\(minutes)m" }
+        let hours = minutes / 60
+        let mins = minutes % 60
+        if hours < 24 { return mins > 0 ? "\(hours)h \(mins)m" : "\(hours)h" }
+        let days = hours / 24
+        if days < 7 { return "\(days)d \(hours % 24)h" }
+        let formatter = DateFormatter()
+        formatter.dateFormat = "MMM d"
+        return formatter.string(from: target)
+    }
+}
+
+extension GatewayUsageSummary {
+    func primaryRows() -> [UsageRow] {
+        self.providers.compactMap { provider in
+            guard let window = provider.windows.max(by: { $0.usedPercent < $1.usedPercent }) else {
+                return nil
+            }
+
+            return UsageRow(
+                id: "\(provider.provider)-\(window.label)",
+                providerId: provider.provider,
+                displayName: provider.displayName,
+                plan: provider.plan,
+                windowLabel: window.label,
+                usedPercent: window.usedPercent,
+                resetAt: window.resetAt.map { Date(timeIntervalSince1970: $0 / 1000) },
+                error: nil)
+        }
+    }
+}
+
+@MainActor
+enum UsageLoader {
+    static func loadSummary() async throws -> GatewayUsageSummary {
+        let data = try await ControlChannel.shared.request(
+            method: "usage.status",
+            params: nil,
+            timeoutMs: 5000)
+        return try JSONDecoder().decode(GatewayUsageSummary.self, from: data)
+    }
+}