fix: support codex web tools and non-git agents

src/services/api/codexShim.test.ts

@@ -144,6 +144,42 @@ describe('Codex request translation', () => {
     ])
   })
 
+  test('removes unsupported uri format from strict Responses schemas', () => {
+    const tools = convertToolsToResponsesTools([
+      {
+        name: 'WebFetch',
+        description: 'Fetch a URL',
+        input_schema: {
+          type: 'object',
+          properties: {
+            url: { type: 'string', format: 'uri' },
+            prompt: { type: 'string' },
+          },
+          required: ['url', 'prompt'],
+          additionalProperties: false,
+        },
+      },
+    ])
+
+    expect(tools).toEqual([
+      {
+        type: 'function',
+        name: 'WebFetch',
+        description: 'Fetch a URL',
+        parameters: {
+          type: 'object',
+          properties: {
+            url: { type: 'string' },
+            prompt: { type: 'string' },
+          },
+          required: ['url', 'prompt'],
+          additionalProperties: false,
+        },
+        strict: true,
+      },
+    ])
+  })
+
   test('converts assistant tool use and user tool result into Responses items', () => {
     const items = convertAnthropicMessagesToResponsesInput([
       {

src/services/api/codexShim.ts

@@ -311,6 +311,11 @@ function enforceStrictSchema(schema: unknown): Record<string, unknown> {
   // Codex API strict schemas reject these JSON schema keywords
   delete record.$schema
   delete record.propertyNames
+  // Codex Responses rejects JSON Schema's standard `uri` string format.
+  // Keep URL validation in the tool layer and send a plain string here.
+  if (record.format === 'uri') {
+    delete record.format
+  }
 
   if (record.type === 'object') {
     // OpenAI structured outputs completely forbid dynamic additionalProperties.