refactor: centralize message-provider tool filtering

src/agents/pi-tools.message-provider-policy.test.ts

@@ -0,0 +1,19 @@
+import { describe, expect, it } from "vitest";
+import { createOpenClawCodingTools } from "./pi-tools.js";
+
+describe("createOpenClawCodingTools message provider policy", () => {
+  it.each(["voice", "VOICE", " Voice "])(
+    "does not expose tts tool for normalized voice provider: %s",
+    (messageProvider) => {
+      const tools = createOpenClawCodingTools({ messageProvider });
+      const names = new Set(tools.map((tool) => tool.name));
+      expect(names.has("tts")).toBe(false);
+    },
+  );
+
+  it("keeps tts tool for non-voice providers", () => {
+    const tools = createOpenClawCodingTools({ messageProvider: "discord" });
+    const names = new Set(tools.map((tool) => tool.name));
+    expect(names.has("tts")).toBe(true);
+  });
+});