Add manual dev restart action

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

server/src/__tests__/dev-server-status.test.ts

@@ -1,8 +1,13 @@
-import { mkdtempSync, rmSync, writeFileSync } from "node:fs";
+import { existsSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from "node:fs";
 import os from "node:os";
 import path from "node:path";
 import { afterEach, describe, expect, it } from "vitest";
-import { readPersistedDevServerStatus, toDevServerHealthStatus } from "../dev-server-status.js";
+import {
+  getDevServerRestartRequestFilePath,
+  readPersistedDevServerStatus,
+  toDevServerHealthStatus,
+  writeDevServerRestartRequest,
+} from "../dev-server-status.js";
 
 const tempDirs = [];
 
@@ -73,4 +78,26 @@ describe("dev server status helpers", () => {
 
     expect(readPersistedDevServerStatus({ PAPERCLIP_DEV_SERVER_STATUS_FILE: filePath })).toBeNull();
   });
+
+  it("writes restart requests next to the persisted status file", () => {
+    const filePath = createTempStatusFile({
+      dirty: true,
+      changedPathsSample: ["server/src/app.ts"],
+      pendingMigrations: [],
+    });
+
+    const env = { PAPERCLIP_DEV_SERVER_STATUS_FILE: filePath };
+    expect(writeDevServerRestartRequest({
+      requestedAt: "2026-03-20T12:05:00.000Z",
+      reason: "manual_restart_now",
+    }, env)).toBe(true);
+
+    const requestPath = getDevServerRestartRequestFilePath(env);
+    expect(requestPath).toBe(path.join(path.dirname(filePath), "dev-server-restart-request.json"));
+    expect(requestPath && existsSync(requestPath)).toBe(true);
+    expect(JSON.parse(readFileSync(requestPath!, "utf8"))).toEqual({
+      requestedAt: "2026-03-20T12:05:00.000Z",
+      reason: "manual_restart_now",
+    });
+  });
 });

server/src/__tests__/health-dev-server-token.test.ts

@@ -1,4 +1,4 @@
-import { mkdtempSync, rmSync, writeFileSync } from "node:fs";
+import { existsSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from "node:fs";
 import os from "node:os";
 import path from "node:path";
 import express from "express";
@@ -126,3 +126,80 @@ describe("GET /health dev-server supervisor access", () => {
     }
   });
 });
+
+describe("POST /health/dev-server/restart", () => {
+  it("records a manual restart request for the dev runner", async () => {
+    const previousFile = process.env.PAPERCLIP_DEV_SERVER_STATUS_FILE;
+    process.env.PAPERCLIP_DEV_SERVER_STATUS_FILE = createDevServerStatusFile({
+      dirty: true,
+      lastChangedAt: "2026-03-20T12:00:00.000Z",
+      changedPathCount: 1,
+      changedPathsSample: ["server/src/routes/health.ts"],
+      pendingMigrations: [],
+      lastRestartAt: "2026-03-20T11:30:00.000Z",
+    });
+
+    try {
+      const app = express();
+      app.use("/health", healthRoutes(undefined));
+
+      const res = await request(app).post("/health/dev-server/restart");
+
+      expect(res.status).toBe(202);
+      expect(res.body).toEqual({ status: "restart_requested" });
+
+      const requestPath = path.join(
+        path.dirname(process.env.PAPERCLIP_DEV_SERVER_STATUS_FILE),
+        "dev-server-restart-request.json",
+      );
+      expect(existsSync(requestPath)).toBe(true);
+      expect(JSON.parse(readFileSync(requestPath, "utf8"))).toMatchObject({
+        reason: "manual_restart_now",
+      });
+    } finally {
+      if (previousFile === undefined) {
+        delete process.env.PAPERCLIP_DEV_SERVER_STATUS_FILE;
+      } else {
+        process.env.PAPERCLIP_DEV_SERVER_STATUS_FILE = previousFile;
+      }
+    }
+  });
+
+  it("rejects unauthenticated manual restarts in authenticated mode", async () => {
+    const previousFile = process.env.PAPERCLIP_DEV_SERVER_STATUS_FILE;
+    process.env.PAPERCLIP_DEV_SERVER_STATUS_FILE = createDevServerStatusFile({
+      dirty: true,
+      changedPathCount: 1,
+      changedPathsSample: ["server/src/routes/health.ts"],
+      pendingMigrations: [],
+    });
+
+    try {
+      const app = express();
+      app.use((req, _res, next) => {
+        (req as any).actor = { type: "none", source: "none" };
+        next();
+      });
+      app.use(
+        "/health",
+        healthRoutes(undefined, {
+          deploymentMode: "authenticated",
+          deploymentExposure: "private",
+          authReady: true,
+          companyDeletionEnabled: true,
+        }),
+      );
+
+      const res = await request(app).post("/health/dev-server/restart");
+
+      expect(res.status).toBe(403);
+      expect(res.body).toEqual({ error: "board_access_required" });
+    } finally {
+      if (previousFile === undefined) {
+        delete process.env.PAPERCLIP_DEV_SERVER_STATUS_FILE;
+      } else {
+        process.env.PAPERCLIP_DEV_SERVER_STATUS_FILE = previousFile;
+      }
+    }
+  });
+});

server/src/dev-server-status.ts

@@ -1,4 +1,5 @@
-import { existsSync, readFileSync, statSync } from "node:fs";
+import { existsSync, mkdirSync, readFileSync, statSync, writeFileSync } from "node:fs";
+import path from "node:path";
 
 const MAX_PERSISTED_DEV_SERVER_STATUS_BYTES = 64 * 1024;
 
@@ -25,6 +26,31 @@ export type DevServerHealthStatus = {
   lastRestartAt: string | null;
 };
 
+export type DevServerRestartRequest = {
+  requestedAt: string;
+  reason: "manual_restart_now";
+};
+
+export function getDevServerRestartRequestFilePath(
+  env: NodeJS.ProcessEnv = process.env,
+): string | null {
+  const statusFilePath = env.PAPERCLIP_DEV_SERVER_STATUS_FILE?.trim();
+  if (!statusFilePath) return null;
+  return path.join(path.dirname(statusFilePath), "dev-server-restart-request.json");
+}
+
+export function writeDevServerRestartRequest(
+  request: DevServerRestartRequest,
+  env: NodeJS.ProcessEnv = process.env,
+): boolean {
+  const filePath = getDevServerRestartRequestFilePath(env);
+  if (!filePath) return false;
+
+  mkdirSync(path.dirname(filePath), { recursive: true });
+  writeFileSync(filePath, `${JSON.stringify(request, null, 2)}\n`, "utf8");
+  return true;
+}
+
 function normalizeStringArray(value: unknown): string[] {
   if (!Array.isArray(value)) return [];
   return value

server/src/routes/health.ts

@@ -4,7 +4,7 @@ import type { Db } from "@paperclipai/db";
 import { and, count, eq, gt, inArray, isNull, sql } from "drizzle-orm";
 import { heartbeatRuns, instanceUserRoles, invites } from "@paperclipai/db";
 import type { DeploymentExposure, DeploymentMode } from "@paperclipai/shared";
-import { readPersistedDevServerStatus, toDevServerHealthStatus } from "../dev-server-status.js";
+import { readPersistedDevServerStatus, toDevServerHealthStatus, writeDevServerRestartRequest } from "../dev-server-status.js";
 import { logger } from "../middleware/logger.js";
 import { instanceSettingsService } from "../services/instance-settings.js";
 import { serverVersion } from "../version.js";
@@ -44,6 +44,40 @@ export function healthRoutes(
 ) {
   const router = Router();
 
+  router.post("/dev-server/restart", async (req, res) => {
+    const actorType = "actor" in req ? req.actor?.type : null;
+    if (opts.deploymentMode === "authenticated" && actorType !== "board") {
+      res.status(403).json({ error: "board_access_required" });
+      return;
+    }
+
+    const persistedDevServerStatus = readPersistedDevServerStatus();
+    if (!persistedDevServerStatus) {
+      res.status(404).json({ error: "dev_server_supervisor_unavailable" });
+      return;
+    }
+
+    const restartRequired =
+      persistedDevServerStatus.dirty ||
+      persistedDevServerStatus.changedPathCount > 0 ||
+      persistedDevServerStatus.pendingMigrations.length > 0;
+    if (!restartRequired) {
+      res.status(409).json({ error: "restart_not_required" });
+      return;
+    }
+
+    const written = writeDevServerRestartRequest({
+      requestedAt: new Date().toISOString(),
+      reason: "manual_restart_now",
+    });
+    if (!written) {
+      res.status(404).json({ error: "dev_server_supervisor_unavailable" });
+      return;
+    }
+
+    res.status(202).json({ status: "restart_requested" });
+  });
+
   router.get("/", async (req, res) => {
     const actorType = "actor" in req ? req.actor?.type : null;
     const exposeFullDetails = shouldExposeFullHealthDetails(