feat: add /config chat config updates

src/auto-reply/reply/config-commands.test.ts

@@ -0,0 +1,23 @@
+import { describe, expect, it } from "vitest";
+
+import { parseConfigCommand } from "./config-commands.js";
+
+describe("parseConfigCommand", () => {
+  it("parses show/unset", () => {
+    expect(parseConfigCommand("/config")).toEqual({ action: "show" });
+    expect(parseConfigCommand("/config show")).toEqual({ action: "show", path: undefined });
+    expect(parseConfigCommand("/config show foo.bar")).toEqual({
+      action: "show",
+      path: "foo.bar",
+    });
+    expect(parseConfigCommand("/config unset foo.bar")).toEqual({
+      action: "unset",
+      path: "foo.bar",
+    });
+  });
+
+  it("parses set with JSON", () => {
+    const cmd = parseConfigCommand('/config set foo={"a":1}');
+    expect(cmd).toEqual({ action: "set", path: "foo", value: { a: 1 } });
+  });
+});