feat(config): add custom_agents overrides and strict agent validation

src/config/schema-document.test.ts

@@ -0,0 +1,32 @@
+import { describe, expect, test } from "bun:test"
+import { createOhMyOpenCodeJsonSchema } from "../../script/build-schema-document"
+
+function asRecord(value: unknown): Record<string, unknown> | undefined {
+  return typeof value === "object" && value !== null ? (value as Record<string, unknown>) : undefined
+}
+
+describe("schema document generation", () => {
+  test("custom_agents schema allows arbitrary custom agent keys with override shape", () => {
+    // given
+    const schema = createOhMyOpenCodeJsonSchema()
+
+    // when
+    const rootProperties = asRecord(schema.properties)
+    const agentsSchema = asRecord(rootProperties?.agents)
+    const customAgentsSchema = asRecord(rootProperties?.custom_agents)
+    const customPropertyNames = asRecord(customAgentsSchema?.propertyNames)
+    const customAdditionalProperties = asRecord(customAgentsSchema?.additionalProperties)
+    const customAgentProperties = asRecord(customAdditionalProperties?.properties)
+
+    // then
+    expect(agentsSchema).toBeDefined()
+    expect(agentsSchema?.additionalProperties).toBeFalse()
+    expect(customAgentsSchema).toBeDefined()
+    expect(customPropertyNames?.pattern).toBeDefined()
+    expect(customAdditionalProperties).toBeDefined()
+    expect(customAgentProperties?.model).toEqual({ type: "string" })
+    expect(customAgentProperties?.temperature).toEqual(
+      expect.objectContaining({ type: "number" }),
+    )
+  })
+})