feat: add /debug runtime overrides

src/config/runtime-overrides.test.ts

@@ -0,0 +1,43 @@
+import { describe, expect, it, beforeEach } from "vitest";
+
+import type { ClawdbotConfig } from "./types.js";
+import {
+  applyConfigOverrides,
+  getConfigOverrides,
+  resetConfigOverrides,
+  setConfigOverride,
+  unsetConfigOverride,
+} from "./runtime-overrides.js";
+
+describe("runtime overrides", () => {
+  beforeEach(() => {
+    resetConfigOverrides();
+  });
+
+  it("sets and applies nested overrides", () => {
+    const cfg = {
+      messages: { responsePrefix: "[clawdbot]" },
+    } as ClawdbotConfig;
+    setConfigOverride("messages.responsePrefix", "[debug]");
+    const next = applyConfigOverrides(cfg);
+    expect(next.messages?.responsePrefix).toBe("[debug]");
+  });
+
+  it("merges object overrides without clobbering siblings", () => {
+    const cfg = {
+      whatsapp: { dmPolicy: "pairing", allowFrom: ["+1"] },
+    } as ClawdbotConfig;
+    setConfigOverride("whatsapp.dmPolicy", "open");
+    const next = applyConfigOverrides(cfg);
+    expect(next.whatsapp?.dmPolicy).toBe("open");
+    expect(next.whatsapp?.allowFrom).toEqual(["+1"]);
+  });
+
+  it("unsets overrides and prunes empty branches", () => {
+    setConfigOverride("whatsapp.dmPolicy", "open");
+    const removed = unsetConfigOverride("whatsapp.dmPolicy");
+    expect(removed.ok).toBe(true);
+    expect(removed.removed).toBe(true);
+    expect(Object.keys(getConfigOverrides()).length).toBe(0);
+  });
+});