Log workspace warnings to stdout

Co-Authored-By: Paperclip <noreply@paperclip.ing>

server/src/__tests__/heartbeat-workspace-session.test.ts

@@ -2,6 +2,7 @@ import { describe, expect, it } from "vitest";
 import type { agents } from "@paperclipai/db";
 import { resolveDefaultAgentWorkspaceDir } from "../home-paths.js";
 import {
+  formatRuntimeWorkspaceWarningLog,
   prioritizeProjectWorkspaceCandidatesForRun,
   parseSessionCompactionPolicy,
   resolveRuntimeSessionParamsForWorkspace,
@@ -181,6 +182,15 @@ describe("shouldResetTaskSessionForWake", () => {
   });
 });
 
+describe("formatRuntimeWorkspaceWarningLog", () => {
+  it("emits informational workspace warnings on stdout", () => {
+    expect(formatRuntimeWorkspaceWarningLog("Using fallback workspace")).toEqual({
+      stream: "stdout",
+      chunk: "[paperclip] Using fallback workspace\n",
+    });
+  });
+});
+
 describe("prioritizeProjectWorkspaceCandidatesForRun", () => {
   it("moves the explicitly selected workspace to the front", () => {
     const rows = [

server/src/services/heartbeat.ts

@@ -497,6 +497,13 @@ export function shouldResetTaskSessionForWake(
   return false;
 }
 
+export function formatRuntimeWorkspaceWarningLog(warning: string) {
+  return {
+    stream: "stdout" as const,
+    chunk: `[paperclip] ${warning}\n`,
+  };
+}
+
 function describeSessionResetReason(
   contextSnapshot: Record<string, unknown> | null | undefined,
 ) {
@@ -2055,7 +2062,8 @@ export function heartbeatService(db: Db) {
         });
       };
       for (const warning of runtimeWorkspaceWarnings) {
-        await onLog("stderr", `[paperclip] ${warning}\n`);
+        const logEntry = formatRuntimeWorkspaceWarningLog(warning);
+        await onLog(logEntry.stream, logEntry.chunk);
       }
       const adapterEnv = Object.fromEntries(
         Object.entries(parseObject(resolvedConfig.env)).filter(