feat: add Copilot CLI Keychain token discovery and multi-account CLI support

CopilotMonitor/CopilotMonitor.xcodeproj/project.pbxproj

@@ -48,6 +48,7 @@
 		CLICLAUDE11111111111111 /* ClaudeProvider.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4DDC1B4DE6B5118CE4AE8F82 /* ClaudeProvider.swift */; };
 		CLICODEX111111111111111 /* CodexProvider.swift in Sources */ = {isa = PBXBuildFile; fileRef = 76783C44AA2329AE3FA7E981 /* CodexProvider.swift */; };
 		CLICOPILOT11111111111111 /* CopilotCLIProvider.swift in Sources */ = {isa = PBXBuildFile; fileRef = CLICOPILOT22222222222222 /* CopilotCLIProvider.swift */; };
+		CLICOPILOTUSAGE111111111 /* CopilotUsage.swift in Sources */ = {isa = PBXBuildFile; fileRef = E22222222222222222222222 /* CopilotUsage.swift */; };
 		CLICOPY111111111111111111 /* opencodebar-cli in Embed CLI */ = {isa = PBXBuildFile; fileRef = CLI5555555555555555555555 /* opencodebar-cli */; settings = {ATTRIBUTES = (CodeSignOnCopy, ); }; };
 		CLIHISTORY11111111111111 /* CopilotHistoryService.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9B1085A77EF4A58E5B5EC71B /* CopilotHistoryService.swift */; };
 		CLIKIMI1111111111111111 /* KimiProvider.swift in Sources */ = {isa = PBXBuildFile; fileRef = KI2222222222222222222222 /* KimiProvider.swift */; };
@@ -578,6 +579,7 @@
 			CLIPROVMGR11111111111111 /* CLIProviderManager.swift in Sources */,
 			CLICOPILOT11111111111111 /* CopilotCLIProvider.swift in Sources */,
 			CLIHISTORY11111111111111 /* CopilotHistoryService.swift in Sources */,
+			CLICOPILOTUSAGE111111111 /* CopilotUsage.swift in Sources */,
 		);
 		runOnlyForDeploymentPostprocessing = 0;
 	};

CopilotMonitor/CopilotMonitor/App/StatusBarController.swift

@@ -1670,10 +1670,17 @@
                 let baseName = multiAccountBaseName(for: .copilot)
                 for account in accounts {
                     hasQuota = true
-                    var displayName = accounts.count > 1 ? "\(baseName) #\(account.accountIndex + 1)" : baseName
+                    // Use accountId (login) when available, otherwise fall back to index
+                    let accountIdentifier: String
+                    if let accountId = account.accountId?.trimmingCharacters(in: .whitespacesAndNewlines), !accountId.isEmpty {
+                        accountIdentifier = accountId
+                    } else {
+                        accountIdentifier = "#\(account.accountIndex + 1)"
+                    }
+                    var displayName = accounts.count > 1 ? "\(baseName) (\(accountIdentifier))" : baseName
                     if accounts.count > 1, showCopilotAuthLabel {
                         let sourceLabel = authSourceLabel(for: account.details?.authSource, provider: .copilot) ?? "Unknown"
-                        displayName += " (\(sourceLabel))"
+                        displayName += " - \(sourceLabel)"
                     }
                     if let unavailableLabel = unavailableUsageSuffix(for: account, identifier: .copilot) {
                         displayName += " (\(unavailableLabel))"
@@ -3484,7 +3491,7 @@
         // 3. OpenRouter - only has current cost, no daily history
         // We'll include today's cost if available
         if let routerResult = providerResults[.openRouter],
            case .payAsYouGo(_, let cost, _) = routerResult.usage,
            let dailyCost = routerResult.details?.dailyUsage {
             let today = Calendar.current.startOfDay(for: Date())
             if aggregatedDailyCosts[today] == nil {

CopilotMonitor/CopilotMonitor/Helpers/ProviderMenuBuilder.swift

@@ -110,16 +110,18 @@ extension StatusBarController {
         case .copilot:
             // === Usage ===
             if let used = details.copilotUsedRequests, let limit = details.copilotLimitRequests, limit > 0 {
-                let usageRatio = Double(used) / Double(max(limit, 1))
+                let isUnlimitedPlan = limit == Int.max
+                let usageRatio = isUnlimitedPlan ? 0.0 : (Double(used) / Double(max(limit, 1)))
                 let normalizedUsageRatio = min(max(usageRatio, 0), 1)
                 let filledBlocks = Int(normalizedUsageRatio * 10)
                 let emptyBlocks = 10 - filledBlocks
                 let progressBar = String(repeating: "═", count: filledBlocks) + String(repeating: "░", count: emptyBlocks)
+                let limitText = isUnlimitedPlan ? "Unlimited" : "\(limit)"
                 let progressItem = NSMenuItem()
-                progressItem.view = createDisabledLabelView(text: "[\(progressBar)] \(used)/\(limit)")
+                progressItem.view = createDisabledLabelView(text: "[\(progressBar)] \(used)/\(limitText)")
                 submenu.addItem(progressItem)
 
-                let usagePercent = (Double(used) / Double(limit)) * 100
+                let usagePercent = isUnlimitedPlan ? 0.0 : ((Double(used) / Double(limit)) * 100)
                 let items = createUsageWindowRow(label: "Monthly", usagePercent: usagePercent, resetDate: details.copilotQuotaResetDateUTC, isMonthly: true)
                 items.forEach { submenu.addItem($0) }
             } else {
@@ -151,7 +153,8 @@ extension StatusBarController {
 
             if let limit = details.copilotLimitRequests {
                 let freeItem = NSMenuItem()
-                freeItem.view = createDisabledLabelView(text: "Quota Limit: \(limit)")
+                let limitText = (limit == Int.max) ? "Unlimited" : "\(limit)"
+                freeItem.view = createDisabledLabelView(text: "Quota Limit: \(limitText)")
                 submenu.addItem(freeItem)
             }
 
@@ -680,7 +683,8 @@ extension StatusBarController {
             submenu.addItem(item)
         }
 
-        if let authSource = details.authSource {
+        // Skip generic "Token From:" for providers that already render it in their case block above.
+        if let authSource = details.authSource, identifier != .copilot {
             submenu.addItem(NSMenuItem.separator())
             let authItem = NSMenuItem()
             authItem.view = createDisabledLabelView(