Fix for invalid plan input in the model

Seems to have been introduced in the latest claude agent sdk.

Closes #109

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.6.7
+
+- Fix for invalid plan input from the model introduced in latest agent-sdk
+
 ## 0.6.6
 
 - Do not enable bypassPermissions mode if in root/sudo mode, because Claude Code will not start

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@zed-industries/claude-code-acp",
-  "version": "0.6.6",
+  "version": "0.6.7",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@zed-industries/claude-code-acp",
-      "version": "0.6.6",
+      "version": "0.6.7",
       "license": "Apache-2.0",
       "dependencies": {
         "@agentclientprotocol/sdk": "0.4.8",

package.json

@@ -6,7 +6,7 @@
   "bin": {
     "claude-code-acp": "./dist/index.js"
   },
-  "version": "0.6.6",
+  "version": "0.6.7",
   "description": "An ACP-compatible coding agent powered by the Claude Code SDK (TypeScript)",
   "main": "dist/index.js",
   "type": "module",

src/acp-agent.ts

@@ -715,10 +715,13 @@ export function toAcpNotifications(
       case "mcp_tool_use": {
         toolUseCache[chunk.id] = chunk;
         if (chunk.name === "TodoWrite") {
-          update = {
-            sessionUpdate: "plan",
-            entries: planEntries(chunk.input as { todos: ClaudePlanEntry[] }),
-          };
+          // @ts-expect-error - sometimes input is empty object
+          if (Array.isArray(chunk.input.todos)) {
+            update = {
+              sessionUpdate: "plan",
+              entries: planEntries(chunk.input as { todos: ClaudePlanEntry[] }),
+            };
+          }
         } else {
           let rawInput;
           try {

src/tools.ts

@@ -344,7 +344,7 @@ export function toolInfoFromToolUse(
 
     case "TodoWrite":
       return {
-        title: input?.todos
+        title: Array.isArray(input?.todos)
           ? `Update TODOs: ${input.todos.map((todo: any) => todo.content).join(", ")}`
           : "Update TODOs",
         kind: "think",