Merge pull request #28 from jamesrochabrun/fix/expose-debug-info-and-working-directory

Fix debug information and runtime working directory updates

Author: jamesrochabrun

Sources/ClaudeCodeSDK/Backend/AgentSDKBackend.swift

@@ -614,4 +614,12 @@ internal final class AgentSDKBackend: ClaudeCodeBackend, @unchecked Sendable {
 			logger?.error("Error parsing SDK JSON: \(error.localizedDescription)")
 		}
 	}
+
+	// MARK: - Debug Information
+
+	/// Debug information about the last command executed
+	/// Note: AgentSDKBackend does not currently track command execution details
+	var lastExecutedCommandInfo: ExecutedCommandInfo? {
+		return nil
+	}
 }

Sources/ClaudeCodeSDK/Backend/ClaudeCodeBackend.swift

@@ -81,4 +81,8 @@ internal protocol ClaudeCodeBackend: Sendable {
   /// Validates if the backend is properly configured and available
   /// - Returns: true if the backend is ready to use
   func validateSetup() async throws -> Bool
+
+  /// Debug information about the last command executed
+  /// - Returns: Information about the last executed command, or nil if no commands have been executed
+  var lastExecutedCommandInfo: ExecutedCommandInfo? { get }
 }

Sources/ClaudeCodeSDK/Backend/HeadlessBackend.swift

@@ -828,4 +828,11 @@ internal final class HeadlessBackend: ClaudeCodeBackend, @unchecked Sendable {
 		}
 		logger?.error("Error details: \(error)")
 	}
+
+	// MARK: - Debug Information
+
+	/// Debug information about the last command executed
+	var lastExecutedCommandInfo: ExecutedCommandInfo? {
+		return _lastExecutedCommandInfo
+	}
 }

Sources/ClaudeCodeSDK/Client/ClaudeCodeClient.swift

@@ -15,11 +15,12 @@ public final class ClaudeCodeClient: ClaudeCode, @unchecked Sendable {
 	/// Configuration for the client - can be updated at any time
 	public var configuration: ClaudeCodeConfiguration {
 		didSet {
-			// Recreate backend if type changed
-			if oldValue.backend != self.configuration.backend {
+			// Recreate backend if type or working directory changed
+			if oldValue.backend != self.configuration.backend ||
+			   oldValue.workingDirectory != self.configuration.workingDirectory {
 				do {
 					backend = try BackendFactory.createBackend(for: self.configuration)
-					logger?.info("Backend switched to: \(self.configuration.backend.rawValue)")
+					logger?.info("Backend recreated - type: \(self.configuration.backend.rawValue), workingDir: \(self.configuration.workingDirectory ?? "none")")
 				} catch {
 					logger?.error("Failed to create backend: \(error.localizedDescription)")
 					// Keep the old backend if creation fails
@@ -31,8 +32,7 @@ public final class ClaudeCodeClient: ClaudeCode, @unchecked Sendable {
 
 	/// Debug information about the last command executed
 	public var lastExecutedCommandInfo: ExecutedCommandInfo? {
-		// Note: This is a placeholder - actual implementation would need backend support
-		nil
+		return backend.lastExecutedCommandInfo
 	}
 
 	/// Initializes the client with a configuration