diff --git a/app/gateway-api/src/orchestrator/gatewayOrchestrator.ts b/app/gateway-api/src/orchestrator/gatewayOrchestrator.ts
index b758423d..f3233b49 100644
--- a/app/gateway-api/src/orchestrator/gatewayOrchestrator.ts
+++ b/app/gateway-api/src/orchestrator/gatewayOrchestrator.ts
@@ -78,6 +78,25 @@ export interface GatewayProcessConfig {
     baseEnv?: Record<string, string>;
 }
 
+const PROFILE_BUILD_ENTRYPOINTS = [
+    ['app', 'game-api', 'dist', 'index.js'],
+    ['app', 'gateway-api', 'dist', 'index.js'],
+] as const;
+
+export const hasCompleteProfileBuildArtifacts = async (
+    workspaceRoot: string,
+    access: (target: string) => Promise<unknown> = fs.access
+): Promise<boolean> => {
+    for (const segments of PROFILE_BUILD_ENTRYPOINTS) {
+        try {
+            await access(path.join(workspaceRoot, ...segments));
+        } catch {
+            return false;
+        }
+    }
+    return true;
+};
+
 export interface GatewayOrchestratorOptions {
     repository: GatewayProfileRepository;
     processManager: ProcessManager;
@@ -2386,7 +2405,9 @@ export class GatewayOrchestrator implements GatewayOrchestratorHandle {
         if (operationId) {
             await this.appendOperationLog(operationId, 'workspace', `worktree 준비 완료: ${workspace.root}`);
         }
-        const activeWorkspaceReusable = canReuseActiveProfileWorkspace(profile, commitSha, workspace);
+        const activeWorkspaceReusable =
+            canReuseActiveProfileWorkspace(profile, commitSha, workspace) &&
+            (await hasCompleteProfileBuildArtifacts(workspace.root));
         if (activeWorkspaceReusable) {
             if (operationId) {
                 await this.appendOperationLog(
@@ -2452,6 +2473,12 @@ export class GatewayOrchestrator implements GatewayOrchestratorHandle {
         } catch {
             throw new Error(`Selected commit does not provide the profile seed CLI: ${sourcePath}`);
         }
+        const artifactPath = path.join(workspaceRoot, 'app', 'gateway-api', 'dist', 'index.js');
+        try {
+            await fs.access(artifactPath);
+        } catch {
+            throw new Error(`Selected commit did not build the profile seed CLI artifact: ${artifactPath}`);
+        }
     }
 
     private async runProfileMigration(
diff --git a/app/gateway-api/test/orchestratorPlan.test.ts b/app/gateway-api/test/orchestratorPlan.test.ts
index cff3997e..8e1c526b 100644
--- a/app/gateway-api/test/orchestratorPlan.test.ts
+++ b/app/gateway-api/test/orchestratorPlan.test.ts
@@ -9,6 +9,7 @@ import {
     buildProcessDefinitions,
     buildSharedProfileFrontendCommands,
     buildWorkspaceCommands,
+    hasCompleteProfileBuildArtifacts,
     planProfileReconcile,
     resolveProfileArchiveServerName,
     resolveResetLifecycleStatus,
@@ -391,6 +392,26 @@ describe('sanitizeManagedProcessEnv', () => {
 });
 
 describe('buildWorkspaceCommands', () => {
+    it('does not reuse a DB-preserving deploy workspace that lacks the profile seed artifact', async () => {
+        const workspaceRoot = '/srv/sammo/worktrees/0123456789abcdef';
+        const gameApiPath = path.join(workspaceRoot, 'app', 'game-api', 'dist', 'index.js');
+        const gatewayApiPath = path.join(workspaceRoot, 'app', 'gateway-api', 'dist', 'index.js');
+        const deployOnlyArtifacts = new Set([gameApiPath]);
+
+        await expect(
+            hasCompleteProfileBuildArtifacts(workspaceRoot, async (target) => {
+                if (!deployOnlyArtifacts.has(target)) throw new Error('missing');
+            })
+        ).resolves.toBe(false);
+
+        deployOnlyArtifacts.add(gatewayApiPath);
+        await expect(
+            hasCompleteProfileBuildArtifacts(workspaceRoot, async (target) => {
+                if (!deployOnlyArtifacts.has(target)) throw new Error('missing');
+            })
+        ).resolves.toBe(true);
+    });
+
     it('installs and builds runtime dependencies before the profile processes', () => {
         const workspaceRoot = '/srv/sammo/worktrees/0123456789abcdef';
         const commands = buildWorkspaceCommands(workspaceRoot, true, undefined, '/srv/sammo/controller');