Add LongCat usage provider

Sources/CodexBar/Providers/LongCat/LongCatProviderImplementation.swift

@@ -0,0 +1,100 @@
+import AppKit
+import CodexBarCore
+import Foundation
+import SwiftUI
+
+struct LongCatProviderImplementation: ProviderImplementation {
+    let id: UsageProvider = .longcat
+
+    @MainActor
+    func presentation(context _: ProviderPresentationContext) -> ProviderPresentation {
+        ProviderPresentation { context in
+            context.store.sourceLabel(for: context.provider)
+        }
+    }
+
+    @MainActor
+    func observeSettings(_ settings: SettingsStore) {
+        _ = settings.longcatUsageDataSource
+        _ = settings.longcatCookieSource
+        _ = settings.longcatManualCookieHeader
+    }
+
+    @MainActor
+    func settingsSnapshot(context: ProviderSettingsSnapshotContext) -> ProviderSettingsSnapshotContribution? {
+        .longcat(context.settings.longcatSettingsSnapshot(tokenOverride: context.tokenOverride))
+    }
+
+    @MainActor
+    func defaultSourceLabel(context: ProviderSourceLabelContext) -> String? {
+        context.settings.longcatUsageDataSource.rawValue
+    }
+
+    @MainActor
+    func sourceMode(context: ProviderSourceModeContext) -> ProviderSourceMode {
+        switch context.settings.longcatUsageDataSource {
+        case .web: .web
+        case .auto, .api, .cli, .oauth: .auto
+        }
+    }
+
+    @MainActor
+    func settingsPickers(context: ProviderSettingsContext) -> [ProviderSettingsPickerDescriptor] {
+        let cookieBinding = Binding(
+            get: { context.settings.longcatCookieSource.rawValue },
+            set: { raw in
+                context.settings.longcatCookieSource = ProviderCookieSource(rawValue: raw) ?? .auto
+            })
+        let options = ProviderCookieSourceUI.options(
+            allowsOff: true,
+            keychainDisabled: context.settings.debugDisableKeychainAccess)
+
+        let subtitle: () -> String? = {
+            ProviderCookieSourceUI.subtitle(
+                source: context.settings.longcatCookieSource,
+                keychainDisabled: context.settings.debugDisableKeychainAccess,
+                auto: "Automatic imports longcat.chat cookies from your browser.",
+                manual: "Paste a Cookie header copied from longcat.chat.",
+                off: "LongCat cookies are disabled.")
+        }
+
+        return [
+            ProviderSettingsPickerDescriptor(
+                id: "longcat-cookie-source",
+                title: "Cookie source",
+                subtitle: "Automatic imports longcat.chat cookies from your browser.",
+                dynamicSubtitle: subtitle,
+                binding: cookieBinding,
+                options: options,
+                isVisible: nil,
+                onChange: nil),
+        ]
+    }
+
+    @MainActor
+    func settingsFields(context: ProviderSettingsContext) -> [ProviderSettingsFieldDescriptor] {
+        [
+            ProviderSettingsFieldDescriptor(
+                id: "longcat-cookie",
+                title: "",
+                subtitle: "",
+                kind: .secure,
+                placeholder: "Cookie: \u{2026}",
+                binding: context.stringBinding(\.longcatManualCookieHeader),
+                actions: [
+                    ProviderSettingsActionDescriptor(
+                        id: "longcat-open-console",
+                        title: "Open Console",
+                        style: .link,
+                        isVisible: nil,
+                        perform: {
+                            if let url = URL(string: "https://longcat.chat/platform/") {
+                                NSWorkspace.shared.open(url)
+                            }
+                        }),
+                ],
+                isVisible: { context.settings.longcatCookieSource == .manual },
+                onActivate: { context.settings.ensureLongCatCookieLoaded() }),
+        ]
+    }
+}

Sources/CodexBar/Providers/LongCat/LongCatSettingsStore.swift

@@ -0,0 +1,54 @@
+import CodexBarCore
+import Foundation
+
+extension SettingsStore {
+    var longcatUsageDataSource: ProviderSourceMode {
+        get { self.configSnapshot.providerConfig(for: .longcat)?.source ?? .auto }
+        set {
+            let source: ProviderSourceMode? = switch newValue {
+            case .auto: .auto
+            case .web: .web
+            case .api, .cli, .oauth: .auto
+            }
+            self.updateProviderConfig(provider: .longcat) { entry in
+                entry.source = source
+            }
+            self.logProviderModeChange(provider: .longcat, field: "usageSource", value: newValue.rawValue)
+        }
+    }
+
+    var longcatManualCookieHeader: String {
+        get { self.configSnapshot.providerConfig(for: .longcat)?.sanitizedCookieHeader ?? "" }
+        set {
+            self.updateProviderConfig(provider: .longcat) { entry in
+                entry.cookieHeader = self.normalizedConfigValue(newValue)
+            }
+            self.logSecretUpdate(provider: .longcat, field: "cookieHeader", value: newValue)
+        }
+    }
+
+    var longcatCookieSource: ProviderCookieSource {
+        get { self.resolvedCookieSource(provider: .longcat, fallback: .auto) }
+        set {
+            self.updateProviderConfig(provider: .longcat) { entry in
+                entry.cookieSource = newValue
+            }
+            self.logProviderModeChange(provider: .longcat, field: "cookieSource", value: newValue.rawValue)
+        }
+    }
+
+    func ensureLongCatCookieLoaded() {}
+}
+
+extension SettingsStore {
+    func longcatSettingsSnapshot(tokenOverride: TokenAccountOverride?)
+        -> ProviderSettingsSnapshot.LongCatProviderSettings
+    {
+        self.ensureLongCatCookieLoaded()
+        return self.resolvedCookieSettings(
+            provider: .longcat,
+            configuredSource: self.longcatCookieSource,
+            configuredHeader: self.longcatManualCookieHeader,
+            tokenOverride: tokenOverride)
+    }
+}

Sources/CodexBar/Providers/Shared/ProviderImplementationRegistry.swift

@@ -66,6 +66,7 @@ enum ProviderImplementationRegistry {
         case .deepgram: DeepgramProviderImplementation()
         case .poe: PoeProviderImplementation()
         case .chutes: ChutesProviderImplementation()
+        case .longcat: LongCatProviderImplementation()
         }
     }
 

Sources/CodexBar/UsageStore.swift

@@ -1086,7 +1086,7 @@ extension UsageStore {
                 case .gemini, .antigravity, .opencode, .opencodego, .alibabatokenplan, .factory, .copilot, .devin,
                      .vertexai, .kilo, .kiro, .kimi, .kimik2, .moonshot, .jetbrains, .perplexity, .mimo, .doubao,
                      .abacus, .mistral, .codebuff, .crof, .windsurf, .venice, .manus, .commandcode, .stepfun, .bedrock,
-                     .grok, .groq, .t3chat, .llmproxy, .litellm, .zed, .deepgram, .poe, .chutes:
+                     .grok, .groq, .t3chat, .llmproxy, .litellm, .zed, .deepgram, .poe, .chutes, .longcat:
                     return unimplementedDebugLogMessages[provider] ?? "Debug log not yet implemented"
                 }
             }

Sources/CodexBarCore/Generated/CodexParserHash.generated.swift

@@ -1,5 +1,5 @@
 // Generated by Scripts/regenerate-codex-parser-hash.sh. Do not edit by hand.
 
 enum CodexParserHash {
-    static let value = "800a06dead603ea7"
+    static let value = "910b475f0fded3e5"
 }

Sources/CodexBarCore/Logging/LogCategories.swift

@@ -42,6 +42,9 @@ public enum LogCategories {
     public static let kimiTokenStore = "kimi-token-store"
     public static let kimiWeb = "kimi-web"
     public static let kiro = "kiro"
+    public static let longcatAPI = "longcat-api"
+    public static let longcatCookie = "longcat-cookie"
+    public static let longcatWeb = "longcat-web"
     public static let launchAtLogin = "launch-at-login"
     public static let login = "login"
     public static let logging = "logging"

Sources/CodexBarCore/Providers/LongCat/LongCatAPIError.swift

@@ -0,0 +1,27 @@
+import Foundation
+
+public enum LongCatAPIError: LocalizedError, Sendable, Equatable {
+    case missingCookies
+    case invalidSession
+    case invalidRequest(String)
+    case networkError(String)
+    case apiError(String)
+    case parseFailed(String)
+
+    public var errorDescription: String? {
+        switch self {
+        case .missingCookies:
+            "LongCat session cookies are missing. Sign in at longcat.chat, or paste a cookie header."
+        case .invalidSession:
+            "LongCat session is invalid or expired. Please sign in again at longcat.chat."
+        case let .invalidRequest(message):
+            "Invalid request: \(message)"
+        case let .networkError(message):
+            "LongCat network error: \(message)"
+        case let .apiError(message):
+            "LongCat API error: \(message)"
+        case let .parseFailed(message):
+            "Failed to parse LongCat usage data: \(message)"
+        }
+    }
+}

Sources/CodexBarCore/Providers/LongCat/LongCatCookieHeader.swift

@@ -0,0 +1,77 @@
+import Foundation
+
+public struct LongCatCookieOverride: Sendable {
+    /// Full `Cookie:` header value (e.g. `name=value; name2=value2`).
+    public let cookieHeader: String
+
+    public init(cookieHeader: String) {
+        self.cookieHeader = cookieHeader
+    }
+}
+
+public enum LongCatCookieHeader {
+    private static let log = CodexBarLog.logger(LogCategories.longcatCookie)
+    private static let headerPatterns: [String] = [
+        #"(?i)-H\s*'Cookie:\s*([^']+)'"#,
+        #"(?i)-H\s*"Cookie:\s*([^"]+)""#,
+        #"(?i)\bcookie:\s*'([^']+)'"#,
+        #"(?i)\bcookie:\s*"([^"]+)""#,
+        #"(?i)\bcookie:\s*([^\r\n]+)"#,
+    ]
+
+    public static func resolveCookieOverride(context: ProviderFetchContext) -> LongCatCookieOverride? {
+        // Off disables LongCat web auth entirely — including a lingering env cookie.
+        if context.settings?.longcat?.cookieSource == .off {
+            return nil
+        }
+
+        if let settings = context.settings?.longcat, settings.cookieSource == .manual {
+            if let manual = settings.manualCookieHeader, !manual.isEmpty {
+                return self.override(from: manual)
+            }
+        }
+
+        // Route env cookies through the settings reader so the lower-case
+        // `longcat_manual_cookie` alias and quote-trimming apply on the env path too.
+        if let envValue = LongCatSettingsReader.cookieHeader(environment: context.env),
+           let envHeader = self.override(from: envValue)
+        {
+            return envHeader
+        }
+
+        return nil
+    }
+
+    public static func override(from raw: String?) -> LongCatCookieOverride? {
+        guard let raw = raw?.trimmingCharacters(in: .whitespacesAndNewlines), !raw.isEmpty else {
+            return nil
+        }
+
+        if let header = self.extractHeader(from: raw) {
+            return LongCatCookieOverride(cookieHeader: header)
+        }
+
+        // A bare `name=value; ...` string is itself a usable cookie header.
+        if raw.contains("=") {
+            return LongCatCookieOverride(cookieHeader: raw)
+        }
+
+        return nil
+    }
+
+    private static func extractHeader(from raw: String) -> String? {
+        for pattern in self.headerPatterns {
+            guard let regex = try? NSRegularExpression(pattern: pattern, options: []) else { continue }
+            let range = NSRange(raw.startIndex..<raw.endIndex, in: raw)
+            guard let match = regex.firstMatch(in: raw, options: [], range: range),
+                  match.numberOfRanges >= 2,
+                  let captureRange = Range(match.range(at: 1), in: raw)
+            else {
+                continue
+            }
+            let captured = String(raw[captureRange]).trimmingCharacters(in: .whitespacesAndNewlines)
+            if !captured.isEmpty { return captured }
+        }
+        return nil
+    }
+}