Tolerate concurrent PM2 profile cleanup

app/gateway-api/src/orchestrator/gatewayOrchestrator.ts

@@ -273,6 +273,9 @@ const parseInstallOptions = (
 const buildProcessName = (profileName: string, role: 'api' | 'daemon'): string =>
     `sammo:${profileName}:${role === 'api' ? 'game-api' : 'turn-daemon'}`;
 
+const isMissingProcessError = (error: unknown): boolean =>
+    error instanceof Error && /process or namespace not found/i.test(error.message);
+
 export const buildProcessDefinitions = (
     profile: GatewayProfileRecord,
     config: GatewayProcessConfig
@@ -980,7 +983,9 @@ export class GatewayOrchestrator implements GatewayOrchestratorHandle {
             try {
                 await this.processManager.delete(name);
             } catch (error) {
-                failures.push(`${name}: ${error instanceof Error ? error.message : String(error)}`);
+                if (!isMissingProcessError(error)) {
+                    failures.push(`${name}: ${error instanceof Error ? error.message : String(error)}`);
+                }
             }
         }
         if (failures.length > 0) {

app/gateway-api/test/orchestratorOperations.test.ts

@@ -40,7 +40,8 @@ const createHarness = (
     operation: GatewayOperationRecord,
     failStart = false,
     failStop = false,
-    processesPresent = true
+    processesPresent = true,
+    missingOnDelete = false
 ) => {
     let nextOperation: GatewayOperationRecord | null = operation;
     const statuses: string[] = [];
@@ -103,6 +104,9 @@ const createHarness = (
         },
         delete: async (name) => {
             deleted.push(name);
+            if (missingOnDelete) {
+                throw new Error('process or namespace not found');
+            }
             if (failStop) {
                 throw new Error('pm2 delete failed');
             }
@@ -168,6 +172,15 @@ describe('GatewayOrchestrator first-class operations', () => {
         expect(harness.completions).toEqual(['SUCCEEDED']);
     });
 
+    it('treats a process removed concurrently as a successful stop', async () => {
+        const harness = createHarness(buildOperation('STOP'), false, false, true, true);
+
+        await harness.orchestrator.runOperationsNow();
+
+        expect(harness.deleted).toEqual(['sammo:che:2:game-api', 'sammo:che:2:turn-daemon']);
+        expect(harness.completions).toEqual(['SUCCEEDED']);
+    });
+
     it('records a failed start instead of reporting a false success', async () => {
         const harness = createHarness(buildOperation('START'), true);