fix(installer): propagate wizard gateway failures (#1120)

packages/mosaic/__tests__/integration/unified-wizard.test.ts

@@ -193,16 +193,19 @@ describe('Unified wizard (runWizard with default skipGateway)', () => {
       'Your timezone': 'UTC',
     });
 
-    await runWizard({
+    await expect(
+      runWizard({
         mosaicHome: tmpDir,
         sourceDir: tmpDir,
         prompter,
         configService: createConfigService(tmpDir, tmpDir),
         skipGatewayNpmInstall: true,
-    });
+      }),
+    ).rejects.toThrow('Gateway configuration failed');
 
     const logs = prompter.getLogs();
     expect(logs.some((line) => line.includes('Gateway did not become healthy'))).toBe(true);
+    expect(logs.some((line) => line.includes('Gateway configuration failed'))).toBe(true);
     expect(logs.some((line) => line.includes('Installation Summary'))).toBe(false);
     expect(logs.some((line) => line.includes('Mosaic is ready.'))).toBe(false);
     expect(gatewayConfigMock).toHaveBeenCalledTimes(1);

packages/mosaic/src/stages/quick-start.ts

@@ -68,8 +68,6 @@ export async function quickStartPath(
 
   // Gateway config + bootstrap
   if (!options.skipGateway) {
-    const headlessRun = process.env['MOSAIC_ASSUME_YES'] === '1' || !process.stdin.isTTY;
-
     try {
       const configResult = await gatewayConfigStage(prompter, state, {
         host: options.gatewayHost ?? 'localhost',
@@ -81,11 +79,9 @@ export async function quickStartPath(
       });
 
       if (!configResult.ready || !configResult.host || !configResult.port) {
-        if (headlessRun) {
-          prompter.warn('Gateway configuration failed in headless mode — aborting wizard.');
-          process.exit(1);
-        }
-        return;
+        const message = 'Gateway configuration failed — aborting wizard.';
+        prompter.warn(message);
+        throw new Error(message);
       }
 
       const bootstrapResult = await gatewayBootstrapStage(prompter, state, {
@@ -93,9 +89,9 @@ export async function quickStartPath(
         port: configResult.port,
       });
       if (!bootstrapResult.completed) {
-        prompter.warn('Admin bootstrap failed — aborting wizard.');
-        process.exit(1);
-        return;
+        const message = 'Admin bootstrap failed — aborting wizard.';
+        prompter.warn(message);
+        throw new Error(message);
       }
       finalizeResult.showSummary();
     } catch (err) {

packages/mosaic/src/wizard.ts

@@ -348,18 +348,21 @@ async function runFinishPath(
         providerType: state.providerType,
       });
 
-      if (configResult.ready && configResult.host && configResult.port) {
+      if (!configResult.ready || !configResult.host || !configResult.port) {
+        const message = 'Gateway configuration failed — aborting wizard.';
+        prompter.warn(message);
+        throw new Error(message);
+      }
       const bootstrapResult = await gatewayBootstrapStage(prompter, state, {
         host: configResult.host,
         port: configResult.port,
       });
       if (!bootstrapResult.completed) {
-          prompter.warn('Admin bootstrap failed — aborting wizard.');
-          process.exit(1);
-          return;
+        const message = 'Admin bootstrap failed — aborting wizard.';
+        prompter.warn(message);
+        throw new Error(message);
       }
       finalizeResult.showSummary();
-      }
     } catch (err) {
       prompter.warn(`Gateway setup failed: ${err instanceof Error ? err.message : String(err)}`);
       throw err;
@@ -420,9 +423,9 @@ async function runHeadlessPath(
       });
 
       if (!configResult.ready || !configResult.host || !configResult.port) {
-        prompter.warn('Gateway configuration failed in headless mode — aborting wizard.');
-        process.exit(1);
-        return;
+        const message = 'Gateway configuration failed in headless mode — aborting wizard.';
+        prompter.warn(message);
+        throw new Error(message);
       }
 
       const bootstrapResult = await gatewayBootstrapStage(prompter, state, {
@@ -430,9 +433,9 @@ async function runHeadlessPath(
         port: configResult.port,
       });
       if (!bootstrapResult.completed) {
-        prompter.warn('Admin bootstrap failed — aborting wizard.');
-        process.exit(1);
-        return;
+        const message = 'Admin bootstrap failed — aborting wizard.';
+        prompter.warn(message);
+        throw new Error(message);
       }
       finalizeResult.showSummary();
     } catch (err) {
@@ -477,18 +480,21 @@ async function runKeepPath(
         skipInstall: options.skipGatewayNpmInstall,
       });
 
-      if (configResult.ready && configResult.host && configResult.port) {
+      if (!configResult.ready || !configResult.host || !configResult.port) {
+        const message = 'Gateway configuration failed — aborting wizard.';
+        prompter.warn(message);
+        throw new Error(message);
+      }
       const bootstrapResult = await gatewayBootstrapStage(prompter, state, {
         host: configResult.host,
         port: configResult.port,
       });
       if (!bootstrapResult.completed) {
-          prompter.warn('Admin bootstrap failed — aborting wizard.');
-          process.exit(1);
-          return;
+        const message = 'Admin bootstrap failed — aborting wizard.';
+        prompter.warn(message);
+        throw new Error(message);
       }
       finalizeResult.showSummary();
-      }
     } catch (err) {
       prompter.warn(`Gateway setup failed: ${err instanceof Error ? err.message : String(err)}`);
       throw err;

tools/install.sh

@@ -762,9 +762,12 @@ if [[ "$FLAG_CHECK" == "false" ]]; then
         if "$MOSAIC_CMD" wizard; then
           ok "Wizard complete."
         else
-          warn "Wizard exited non-zero."
+          fail "Wizard failed; installation is incomplete."
+          echo "  Completed: framework and CLI installation"
+          echo "  Failed: gateway configuration or admin bootstrap"
           echo "  You can retry with: ${C}mosaic wizard${RESET}"
           echo "  Or run gateway install alone: ${C}mosaic gateway install${RESET}"
+          exit 1
         fi
       fi
     else