Merge pull request #854 from dgageot/codex

Add support for codex

Author: dgageot

e2e/cagent_exec_test.go

@@ -30,6 +30,18 @@ func TestExec_OpenAI_gpt5(t *testing.T) {
 	require.Equal(t, "\n--- Agent: root ---\n\n4", out)
 }
 
+func TestExec_OpenAI_gpt5_1(t *testing.T) {
+	out := cagentExec(t, "testdata/basic.yaml", "--model=openai/gpt-5.1", "What's 2+2?")
+
+	require.Equal(t, "\n--- Agent: root ---\n\n2 + 2 = 4.", out)
+}
+
+func TestExec_OpenAI_gpt5_codex(t *testing.T) {
+	out := cagentExec(t, "testdata/basic.yaml", "--model=openai/gpt-5-codex", "What's 2+2?")
+
+	require.Equal(t, "\n--- Agent: root ---\n\n2 + 2 equals 4.", out)
+}
+
 func TestExec_Anthropic(t *testing.T) {
 	out := cagentExec(t, "testdata/basic.yaml", "--model=anthropic/claude-sonnet-4-0", "What's 2+2?")
 

e2e/testdata/cassettes/TestExec_OpenAI_gpt5_1.yaml

@@ -0,0 +1,23 @@
+---
+version: 2
+interactions:
+- id: 0
+  request:
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+    proto_major: 1
+    proto_minor: 1
+    content_length: 0
+    host: api.openai.com
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+    url: https://api.openai.com/v1/chat/completions
+    method: POST
+  response:
+    proto: HTTP/2.0
+    proto_major: 2
+    proto_minor: 0
+    content_length: -1
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+    headers: {}
+    status: 200 OK
+    code: 200
+    duration: 1.04982225s

e2e/testdata/cassettes/TestExec_OpenAI_gpt5_codex.yaml

@@ -0,0 +1,23 @@
+---
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+interactions:
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+  request:
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+    proto_major: 1
+    proto_minor: 1
+    content_length: 0
+    host: api.openai.com
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+    url: https://api.openai.com/v1/responses
+    method: POST
+  response:
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+    proto_major: 2
+    proto_minor: 0
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+    status: 200 OK
+    code: 200
+    duration: 957.048875ms