diff --git a/.gitignore b/.gitignore
index fede83b..de7a47b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,8 @@ dist/
 
 # But keep these specific files
 !.eslintrc.js
+!jest.config.js
+
 
 # IDE
 .vscode/
@@ -44,3 +46,4 @@ temp/
 
 # MCP servers
 .playwright-mcp/
+
diff --git a/jest.config.js b/jest.config.js
new file mode 100644
index 0000000..0c4001f
--- /dev/null
+++ b/jest.config.js
@@ -0,0 +1,5 @@
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+  testMatch: ['**/tests/**/*.test.ts'],
+};
\ No newline at end of file
diff --git a/nodes/LmChatOpenCode/OpenCodeChatModel.ts b/nodes/LmChatOpenCode/OpenCodeChatModel.ts
index 68bafb8..d6529bd 100644
--- a/nodes/LmChatOpenCode/OpenCodeChatModel.ts
+++ b/nodes/LmChatOpenCode/OpenCodeChatModel.ts
@@ -159,7 +159,7 @@ export class OpenCodeChatModel extends BaseChatModel {
           agent: this.agent,
           model: {
             providerID: this.providerID,
-            modelID: this.modelID,
+            id: this.modelID,
           },
         }),
         signal: controller.signal,
@@ -247,10 +247,6 @@ export class OpenCodeChatModel extends BaseChatModel {
       // Build request body with optional parameters
       const body: Record<string, any> = {
         parts,
-        model: {
-          providerID: this.providerID,
-          modelID: this.modelID,
-        },
         agent: this.agent,
       };
 
diff --git a/tests/OpenCodeChatModel.test.ts b/tests/OpenCodeChatModel.test.ts
index acbde7a..43f19e9 100644
--- a/tests/OpenCodeChatModel.test.ts
+++ b/tests/OpenCodeChatModel.test.ts
@@ -108,7 +108,7 @@ describe("OpenCodeChatModel", () => {
             agent: "build",
             model: {
               providerID: "anthropic",
-              modelID: "claude-3-5-sonnet-20241022",
+              id: "claude-3-5-sonnet-20241022",
             },
           }),
         }),