fix(auto-reply): prefer Pi RPC by default

src/auto-reply/command-reply.ts

@@ -611,7 +611,9 @@ export async function runCommandReply(
       streamedAny = true;
     };
 
-    const preferRpc = process.env.CLAWDIS_USE_PI_RPC === "1";
+    // Default to RPC (it is testable/offline and avoids spawning long-lived CLI processes).
+    // Set `CLAWDIS_USE_PI_RPC=0` to force the JSON fallback path.
+    const preferRpc = process.env.CLAWDIS_USE_PI_RPC !== "0";
 
     const run = async () => {
       const runId = params.runId ?? crypto.randomUUID();

src/auto-reply/reply.directive.test.ts

@@ -62,6 +62,7 @@ describe("directive parsing", () => {
       {},
       {
         inbound: {
+          allowFrom: ["*"],
           reply: {
             mode: "command",
             command: ["pi", "{{Body}}"],

src/auto-reply/reply.triggers.test.ts

@@ -16,6 +16,7 @@ vi.mock("../web/session.js", () => webMocks);
 
 const baseCfg = {
   inbound: {
+    allowFrom: ["*"],
     reply: {
       mode: "command" as const,
       command: ["echo", "{{Body}}"],
@@ -88,6 +89,7 @@ describe("trigger handling", () => {
       {},
       {
         inbound: {
+          allowFrom: ["*"],
           reply: {
             mode: "command",
             command: ["echo", "{{Body}}"],
@@ -104,6 +106,8 @@ describe("trigger handling", () => {
   });
 
   it("ignores think directives that only appear in the context wrapper", async () => {
+    const prevPreferRpc = process.env.CLAWDIS_USE_PI_RPC;
+    process.env.CLAWDIS_USE_PI_RPC = "1";
     const rpcMock = vi.spyOn(tauRpc, "runPiRpc").mockResolvedValue({
       stdout:
         '{"type":"message_end","message":{"role":"assistant","content":[{"type":"text","text":"ok"}]}}',
@@ -135,9 +139,17 @@ describe("trigger handling", () => {
     const prompt = rpcMock.mock.calls[0]?.[0]?.prompt ?? "";
     expect(prompt).toContain("Give me the status");
     expect(prompt).not.toContain("/thinking high");
+
+    if (prevPreferRpc === undefined) {
+      delete process.env.CLAWDIS_USE_PI_RPC;
+    } else {
+      process.env.CLAWDIS_USE_PI_RPC = prevPreferRpc;
+    }
   });
 
   it("does not emit directive acks for heartbeats with /think", async () => {
+    const prevPreferRpc = process.env.CLAWDIS_USE_PI_RPC;
+    process.env.CLAWDIS_USE_PI_RPC = "1";
     const rpcMock = vi.spyOn(tauRpc, "runPiRpc").mockResolvedValue({
       stdout:
         '{"type":"message_end","message":{"role":"assistant","content":[{"type":"text","text":"ok"}]}}',
@@ -170,5 +182,11 @@ describe("trigger handling", () => {
     expect(text).toBe("ok");
     expect(text).not.toMatch(/Thinking level set/i);
     expect(rpcMock).toHaveBeenCalledOnce();
+
+    if (prevPreferRpc === undefined) {
+      delete process.env.CLAWDIS_USE_PI_RPC;
+    } else {
+      process.env.CLAWDIS_USE_PI_RPC = prevPreferRpc;
+    }
   });
 });