Add iPad support, auto-pinning, and comprehensive logging

- Adaptive iPhone/iPad layout with NavigationSplitView sidebar
- Auto-detect SSL-pinned domains, fall back to passthrough
- Certificate install via local HTTP server (Safari profile flow)
- App Group-backed CA, per-domain leaf cert LRU cache
- DB-backed config repository, Darwin notification throttling
- Rules engine, breakpoint rules, pinned domain tracking
- os.Logger instrumentation across tunnel/proxy/mitm/capture/cert/rules/db/ipc/ui
- Fix dyld framework embed, race conditions, thread safety

ProxyCore/Sources/DataLayer/Models/ProxyRuntimeStatus.swift

@@ -0,0 +1,61 @@
+import Foundation
+import GRDB
+
+public enum ProxyRuntimeState: String, Codable, Sendable {
+    case stopped
+    case starting
+    case running
+    case failed
+}
+
+public struct ProxyRuntimeStatus: Codable, FetchableRecord, MutablePersistableRecord, Sendable {
+    public static let databaseTableName = "proxy_runtime_status"
+
+    public var id: Int64
+    public var tunnelState: String
+    public var proxyHost: String?
+    public var proxyPort: Int?
+    public var caFingerprint: String?
+    public var lastProxyError: String?
+    public var lastMITMError: String?
+    public var lastConnectError: String?
+    public var lastSuccessfulMITMDomain: String?
+    public var lastSuccessfulMITMAt: Double?
+    public var lastExtensionStartAt: Double?
+    public var lastExtensionStopAt: Double?
+    public var updatedAt: Double
+
+    public init(
+        id: Int64 = 1,
+        tunnelState: ProxyRuntimeState = .stopped,
+        proxyHost: String? = nil,
+        proxyPort: Int? = nil,
+        caFingerprint: String? = nil,
+        lastProxyError: String? = nil,
+        lastMITMError: String? = nil,
+        lastConnectError: String? = nil,
+        lastSuccessfulMITMDomain: String? = nil,
+        lastSuccessfulMITMAt: Double? = nil,
+        lastExtensionStartAt: Double? = nil,
+        lastExtensionStopAt: Double? = nil,
+        updatedAt: Double = Date().timeIntervalSince1970
+    ) {
+        self.id = id
+        self.tunnelState = tunnelState.rawValue
+        self.proxyHost = proxyHost
+        self.proxyPort = proxyPort
+        self.caFingerprint = caFingerprint
+        self.lastProxyError = lastProxyError
+        self.lastMITMError = lastMITMError
+        self.lastConnectError = lastConnectError
+        self.lastSuccessfulMITMDomain = lastSuccessfulMITMDomain
+        self.lastSuccessfulMITMAt = lastSuccessfulMITMAt
+        self.lastExtensionStartAt = lastExtensionStartAt
+        self.lastExtensionStopAt = lastExtensionStopAt
+        self.updatedAt = updatedAt
+    }
+
+    public var state: ProxyRuntimeState {
+        ProxyRuntimeState(rawValue: tunnelState) ?? .stopped
+    }
+}