feat(chat): Swift chat parity (abort/sessions/stream)

apps/shared/ClawdisKit/Sources/ClawdisChatUI/ChatSessions.swift

@@ -0,0 +1,69 @@
+import Foundation
+
+public struct ClawdisChatSessionsDefaults: Codable, Sendable {
+    public let model: String?
+    public let contextTokens: Int?
+}
+
+public enum ClawdisChatSessionSyncing: Codable, Hashable, Sendable {
+    case bool(Bool)
+    case string(String)
+
+    public init(from decoder: Decoder) throws {
+        let container = try decoder.singleValueContainer()
+        if let b = try? container.decode(Bool.self) {
+            self = .bool(b)
+            return
+        }
+        if let s = try? container.decode(String.self) {
+            self = .string(s)
+            return
+        }
+        throw DecodingError.typeMismatch(
+            ClawdisChatSessionSyncing.self,
+            DecodingError.Context(
+                codingPath: decoder.codingPath,
+                debugDescription: "Expected Bool or String"))
+    }
+
+    public func encode(to encoder: Encoder) throws {
+        var container = encoder.singleValueContainer()
+        switch self {
+        case let .bool(b):
+            try container.encode(b)
+        case let .string(s):
+            try container.encode(s)
+        }
+    }
+}
+
+public struct ClawdisChatSessionEntry: Codable, Identifiable, Sendable, Hashable {
+    public var id: String { self.key }
+
+    public let key: String
+    public let kind: String?
+    public let updatedAt: Double?
+    public let sessionId: String?
+
+    public let systemSent: Bool?
+    public let abortedLastRun: Bool?
+    public let thinkingLevel: String?
+    public let verboseLevel: String?
+
+    public let inputTokens: Int?
+    public let outputTokens: Int?
+    public let totalTokens: Int?
+
+    public let model: String?
+    public let contextTokens: Int?
+    public let syncing: ClawdisChatSessionSyncing?
+}
+
+public struct ClawdisChatSessionsListResponse: Codable, Sendable {
+    public let ts: Double?
+    public let path: String?
+    public let count: Int?
+    public let defaults: ClawdisChatSessionsDefaults?
+    public let sessions: [ClawdisChatSessionEntry]
+}
+