Feature/append transcript entries

Sources/AnyLanguageModel/LanguageModelSession.swift

@@ -278,6 +278,18 @@ public final class LanguageModelSession: @unchecked Sendable {
     }
 }
 
+// MARK: - Transcript Manipulation
+
+extension LanguageModelSession {
+    /// Allows manual injection of Transcript entries to resume dropped sessions 
+    /// without busting the MLX ObjectIdentifier KV-cache.
+    public func appendTranscriptEntry(_ entry: Transcript.Entry) {
+        withMutation(keyPath: \.transcript) {
+            state.withLock { $0.transcript.append(entry) }
+        }
+    }
+}
+
 // MARK: - String Response Convenience Methods
 
 extension LanguageModelSession {

Sources/AnyLanguageModel/Models/MLXLanguageModel.swift

@@ -1010,8 +1010,12 @@ import Foundation
                                 chat.append(.tool(toolResultJSON))
                             }
 
-                            // Continue loop to generate with tool results
-                            continue
+                            // Return response with appended tool outputs rather than looping to regenerate
+                            return LanguageModelSession.Response(
+                                content: assistantText as! Content,
+                                rawContent: GeneratedContent(assistantText),
+                                transcriptEntries: ArraySlice(allEntries)
+                            )
                         }
                     }
                 }