chore: merge feature/005-worker-scaffold into development

.dockerignore

@@ -0,0 +1,16 @@
+node_modules
+.git
+Dockerfile*
+docker-compose*.yml
+*.log
+.env
+.env*
+coverage
+dist
+.next
+.vscode
+.idea
+*.pem
+
+# Ignore local Docker config
+docker-compose.override.yml

.eslintignore

@@ -0,0 +1,5 @@
+node_modules/
+dist/
+build/
+coverage/
+*.min.js

.github/pr_descriptions/feature-005-worker-scaffold.md

@@ -0,0 +1,46 @@
+Beschreibung
+-----------
+
+Dieser PR entfernt die Abhängigkeit zu n8n und implementiert ein Code-First Backend.
+
+Infrastructure
+--------------
+
+- Redis Integration & BullMQ Queue Setup.
+
+Worker
+------
+
+- Neuer Background-Worker in `worker/index.ts` (BullMQ `Worker`, concurrency: 1).
+
+Logic
+-----
+
+- Portierung der Policy-Parsing-Logik (Settings Catalog, OMA-URI) nach TypeScript.
+- Graph-Integration (Token-Acquisition, paginierte Fetches) und Retry/Rate-Limit-Handling.
+
+Cleanup
+-------
+
+- Entfernung der alten n8n-API-Endpunkte und Secrets (`app/api/policy-settings/route.ts`, `app/api/admin/tenants/route.ts`, env-variablen entfernt).
+
+Frontend
+--------
+
+- Der "Sync Now" Button triggert jetzt direkt einen BullMQ-Job (Queue: `intune-sync-queue`).
+
+Deployment / Dokploy
+--------------------
+
+- In Dokploy existiert jetzt eine Anwendung `tenantpilot-worker` (`tenantpilot-tenantpilotworker-jomlss`) die auf den Gitea `development` Branch zeigt.
+
+Testing & Notes
+---------------
+
+- Smoke scripts added: `scripts/test-queue-connection.js`, `scripts/test-graph-connection.ts`, `scripts/check-worker-health.js`.
+- Health endpoint: `app/api/worker-health/route.ts` reports queue counts.
+
+Weitere Hinweise
+----------------
+
+- Falls Sie die PR-Beschreibung noch anpassen möchten: kopieren Sie den Inhalt dieser Datei und fügen Sie ihn in das PR-Formular ein (remote PR URL wurde nach dem Push in der Push-Ausgabe angegeben).

.gitignore

@@ -39,3 +39,7 @@ yarn-error.log*
 # typescript
 *.tsbuildinfo
 next-env.d.ts
+
+# IDE settings
+.vscode/
+.idea/

.npmignore

@@ -0,0 +1,10 @@
+node_modules/
+src/
+tests/
+coverage/
+Dockerfile
+docker-compose*.yml
+.env*
+.vscode/
+.idea/
+*.pem

.prettierignore

@@ -0,0 +1,7 @@
+node_modules/
+dist/
+build/
+coverage/
+package-lock.json
+yarn.lock
+pnpm-lock.yaml

app/api/admin/tenants/route.ts

@@ -1,23 +1,6 @@
-import { db } from "@/lib/db";
+// Admin tenants route removed — use internal DB queries instead.
-import { users } from "@/lib/db/schema/auth";
+import { NextResponse } from 'next/server';
-import { NextResponse } from "next/server";
-import { isNotNull } from "drizzle-orm";
 
-export async function GET(req: Request) {
+export async function GET() {
-  const authHeader = req.headers.get("x-api-secret");
+  return NextResponse.json({ error: 'This endpoint has been removed. Query tenants via internal admin tools.' }, { status: 410 });
-  // Wir nutzen dasselbe Secret wie für die Ingestion API
-  if (authHeader !== process.env.POLICY_API_SECRET) {
-    return new NextResponse("Unauthorized", { status: 401 });
-  }
-
-  // Hole alle einzigartigen Tenant-IDs aus der User-Tabelle
-  const tenants = await db
-    .selectDistinct({ tenantId: users.tenantId })
-    .from(users)
-    .where(isNotNull(users.tenantId));
-
-  // Wir filtern 'common' raus, falls es drin ist
-  const cleanList = tenants.filter(t => t.tenantId !== 'common');
-
-  return NextResponse.json(cleanList);
 }

app/api/policy-settings/route.ts

@@ -1,133 +1,12 @@
-import { NextRequest, NextResponse } from 'next/server';
+// Legacy ingestion API removed in favor of BullMQ worker.
-import { db, policySettings } from '@/lib/db';
+// This route is intentionally kept to return 410 Gone so any external callers
-import {
+// (e.g., old n8n workflows) receive a clear signal to stop posting here.
-  bulkPolicySettingsSchema,
+import { NextResponse } from 'next/server';
-  type BulkPolicySettingsInput,
-} from '@/lib/validators/policySettings';
-import { env } from '@/lib/env.mjs';
-import { eq } from 'drizzle-orm';
 
-/**
+export async function POST() {
- * POST /api/policy-settings
+  return NextResponse.json({ error: 'This endpoint has been removed. Use the new worker-based ingestion.' }, { status: 410 });
- * Bulk upsert policy settings from n8n workflows
- * 
- * **Security**: Requires X-API-SECRET header matching POLICY_API_SECRET env var
- */
-export async function POST(request: NextRequest) {
-  try {
-    // T020: Validate API Secret
-    const apiSecret = request.headers.get('X-API-SECRET');
-    if (!apiSecret || apiSecret !== env.POLICY_API_SECRET) {
-      return NextResponse.json(
-        { error: 'Unauthorized' },
-        { status: 401 }
-      );
-    }
-
-    // T022: Parse and validate request body
-    const body = await request.json();
-    const validationResult = bulkPolicySettingsSchema.safeParse(body);
-
-    if (!validationResult.success) {
-      return NextResponse.json(
-        {
-          error: 'Validation failed',
-          details: validationResult.error.issues.map((err) => ({
-            field: err.path.join('.'),
-            message: err.message,
-          })),
-        },
-        { status: 400 }
-      );
-    }
-
-    const { settings } = validationResult.data as BulkPolicySettingsInput;
-
-    // T021: Bulk upsert with onConflictDoUpdate
-    let upsertedCount = 0;
-    for (const setting of settings) {
-      await db
-        .insert(policySettings)
-        .values({
-          tenantId: setting.tenantId,
-          policyName: setting.policyName,
-          policyType: setting.policyType,
-          settingName: setting.settingName,
-          settingValue: setting.settingValue,
-          graphPolicyId: setting.graphPolicyId,
-          lastSyncedAt: new Date(),
-        })
-        .onConflictDoUpdate({
-          target: [
-            policySettings.tenantId,
-            policySettings.graphPolicyId,
-            policySettings.settingName,
-          ],
-          set: {
-            policyName: setting.policyName,
-            policyType: setting.policyType,
-            settingValue: setting.settingValue,
-            lastSyncedAt: new Date(),
-          },
-        });
-      upsertedCount++;
-    }
-
-    return NextResponse.json({
-      success: true,
-      upsertedCount,
-      message: `${upsertedCount} settings upserted successfully`,
-    });
-  } catch (error) {
-    console.error('Policy settings upsert failed:', error);
-    return NextResponse.json(
-      { error: 'Internal server error' },
-      { status: 500 }
-    );
-  }
 }
 
-/**
+export async function DELETE() {
- * DELETE /api/policy-settings?tenantId=xxx
+  return NextResponse.json({ error: 'This endpoint has been removed.' }, { status: 410 });
- * Delete all policy settings for a tenant
- * 
- * **Security**: Requires X-API-SECRET header
- */
-export async function DELETE(request: NextRequest) {
-  try {
-    // T024: Validate API Secret
-    const apiSecret = request.headers.get('X-API-SECRET');
-    if (!apiSecret || apiSecret !== env.POLICY_API_SECRET) {
-      return NextResponse.json(
-        { error: 'Unauthorized' },
-        { status: 401 }
-      );
-    }
-
-    const { searchParams } = new URL(request.url);
-    const tenantId = searchParams.get('tenantId');
-
-    if (!tenantId) {
-      return NextResponse.json(
-        { error: 'tenantId query parameter is required' },
-        { status: 400 }
-      );
-    }
-
-    const result = await db
-      .delete(policySettings)
-      .where(eq(policySettings.tenantId, tenantId));
-
-    return NextResponse.json({
-      success: true,
-      deletedCount: result.rowCount ?? 0,
-      message: `${result.rowCount ?? 0} settings deleted for tenant`,
-    });
-  } catch (error) {
-    console.error('Policy settings deletion failed:', error);
-    return NextResponse.json(
-      { error: 'Internal server error' },
-      { status: 500 }
-    );
-  }
 }

app/api/policy-sync/status/[jobId]/route.ts

@@ -0,0 +1,44 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { syncQueue } from '@/lib/queue/syncQueue';
+import { getUserAuth } from '@/lib/auth/utils';
+
+export async function GET(
+  request: NextRequest,
+  { params }: { params: { jobId: string } }
+) {
+  try {
+    const { session } = await getUserAuth();
+
+    if (!session?.user) {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+    }
+
+    const jobId = params.jobId;
+    const job = await syncQueue.getJob(jobId);
+
+    if (!job) {
+      return NextResponse.json({ error: 'Job not found' }, { status: 404 });
+    }
+
+    const state = await job.getState();
+    const progress = job.progress;
+    const returnvalue = job.returnvalue;
+    const failedReason = job.failedReason;
+
+    return NextResponse.json({
+      jobId: job.id,
+      state,
+      progress,
+      result: returnvalue,
+      error: failedReason,
+      processedOn: job.processedOn,
+      finishedOn: job.finishedOn,
+    });
+  } catch (error) {
+    console.error('Failed to get job status:', error);
+    return NextResponse.json(
+      { error: 'Failed to retrieve job status' },
+      { status: 500 }
+    );
+  }
+}

app/api/policy-sync/status/route.ts

@@ -0,0 +1,51 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { getUserAuth } from '@/lib/auth/utils';
+import { syncQueue } from '@/lib/queue/syncQueue';
+
+export async function GET(request: NextRequest) {
+  try {
+    const { session } = await getUserAuth();
+
+    if (!session?.user) {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+    }
+
+    const { searchParams } = new URL(request.url);
+    const jobId = searchParams.get('jobId');
+
+    if (!jobId) {
+      return NextResponse.json({ error: 'Job ID required' }, { status: 400 });
+    }
+
+    // Get job from BullMQ
+    const job = await syncQueue.getJob(jobId);
+
+    if (!job) {
+      return NextResponse.json({ error: 'Job not found' }, { status: 404 });
+    }
+
+    // Get job state
+    const state = await job.getState();
+    const progress = job.progress;
+    const returnValue = job.returnvalue;
+    const failedReason = job.failedReason;
+
+    return NextResponse.json({
+      jobId: job.id,
+      state,
+      progress,
+      data: job.data,
+      result: returnValue,
+      failedReason,
+      timestamp: job.timestamp,
+      processedOn: job.processedOn,
+      finishedOn: job.finishedOn,
+    });
+  } catch (error) {
+    console.error('Error fetching job status:', error);
+    return NextResponse.json(
+      { error: 'Failed to fetch job status' },
+      { status: 500 }
+    );
+  }
+}

app/api/worker-health/route.ts

@@ -0,0 +1,26 @@
+import { NextResponse } from 'next/server';
+import checkHealth from '../../../worker/health';
+import Redis from 'ioredis';
+import { Queue } from 'bullmq';
+
+export async function GET() {
+  try {
+    const health = checkHealth();
+
+    const redisUrl = process.env.REDIS_URL;
+    let queueInfo = null;
+
+    if (redisUrl) {
+      const connection = new Redis(redisUrl);
+      const queue = new Queue('intune-sync-queue', { connection });
+      const counts = await queue.getJobCounts();
+      queueInfo = counts;
+      await queue.close();
+      await connection.quit();
+    }
+
+    return NextResponse.json({ ok: true, health, queue: queueInfo, timestamp: new Date().toISOString() });
+  } catch (err: any) {
+    return NextResponse.json({ ok: false, error: err?.message || String(err) }, { status: 500 });
+  }
+}

components/search/SyncButton.tsx

@@ -8,14 +8,16 @@ import { toast } from 'sonner';
 
 export function SyncButton() {
   const [isPending, startTransition] = useTransition();
+  const [lastJobId, setLastJobId] = useState<string | null>(null);
 
   const handleSync = () => {
     startTransition(async () => {
       try {
         const result = await triggerPolicySync();
         
-        if (result.success) {
+        if (result.success && result.jobId) {
-          toast.success(result.message ?? 'Policy sync triggered successfully');
+          setLastJobId(result.jobId);
+          toast.success(result.message ?? `Sync queued (Job #${result.jobId})`);
         } else {
           toast.error(result.error ?? 'Failed to trigger sync');
         }
@@ -26,6 +28,7 @@ export function SyncButton() {
   };
 
   return (
+    <div className="flex items-center gap-2">
       <Button
         onClick={handleSync}
         disabled={isPending}
@@ -35,7 +38,7 @@ export function SyncButton() {
         {isPending ? (
           <>
             <RefreshCw className="mr-2 h-4 w-4 animate-spin" />
-          Syncing...
+            Queuing...
           </>
         ) : (
           <>
@@ -44,5 +47,11 @@ export function SyncButton() {
           </>
         )}
       </Button>
+      {lastJobId && (
+        <span className="text-sm text-muted-foreground">
+          Last job: #{lastJobId}
+        </span>
+      )}
+    </div>
   );
 }

lib/actions/policySettings.ts

@@ -4,6 +4,8 @@ import { db, policySettings, type PolicySetting } from '@/lib/db';
 import { getUserAuth } from '@/lib/auth/utils';
 import { eq, ilike, or, desc, and, ne, isNotNull } from 'drizzle-orm';
 import { env } from '@/lib/env.mjs';
+import { syncQueue } from '@/lib/queue/syncQueue';
+import { syncQueue } from '@/lib/queue/syncQueue';
 
 export interface PolicySettingSearchResult {
   id: string;
@@ -353,16 +355,16 @@ export async function seedMyTenantData(): Promise<{
 }
 
 /**
- * Trigger manual policy sync via n8n webhook
+ * Trigger manual policy sync via BullMQ worker
  * 
  * **Security**: This function enforces tenant isolation by:
  * 1. Validating user session via getUserAuth()
  * 2. Extracting tenantId from session
- * 3. Sending only the authenticated user's tenantId to n8n
+ * 3. Enqueuing a job with only the authenticated user's tenantId
  * 
- * @returns Success/error result
+ * @returns Success/error result with job ID
  */
-export async function triggerPolicySync(): Promise<{ success: boolean; message?: string; error?: string }> {
+export async function triggerPolicySync(): Promise<{ success: boolean; message?: string; error?: string; jobId?: string }> {
   try {
     const { session } = await getUserAuth();
 
@@ -375,37 +377,24 @@ export async function triggerPolicySync(): Promise<{ success: boolean; message?:
       return { success: false, error: 'No tenant ID found in session' };
     }
 
-    const webhookUrl = env.N8N_SYNC_WEBHOOK_URL;
+    // Enqueue sync job to BullMQ
-    if (!webhookUrl) {
+    const job = await syncQueue.add('sync-tenant', {
-      return { success: false, error: 'Sync webhook not configured' };
-    }
-
-    // Trigger n8n workflow
-    const response = await fetch(webhookUrl, {
-      method: 'POST',
-      headers: {
-        'Content-Type': 'application/json',
-      },
-      body: JSON.stringify({
       tenantId,
       source: 'manual_trigger',
       triggeredAt: new Date().toISOString(),
-      }),
+      triggeredBy: session.user.email || session.user.id,
     });
 
-    if (!response.ok) {
-      throw new Error(`Webhook responded with status ${response.status}`);
-    }
-
     return {
       success: true,
-      message: 'Policy sync triggered successfully',
+      message: `Policy sync queued successfully (Job #${job.id})`,
+      jobId: job.id,
     };
   } catch (error) {
     console.error('Failed to trigger policy sync:', error);
     return {
       success: false,
-      error: 'Failed to trigger sync. Please try again later.',
+      error: 'Failed to queue sync job. Please try again later.',
     };
   }
 }

lib/env.mjs

@@ -13,6 +13,7 @@ export const env = createEnv({
     NEXTAUTH_URL: z.string().optional(),
     
     // Azure AD (Microsoft Entra ID) - optional in development
+    AZURE_AD_TENANT_ID: z.string().optional(),
     AZURE_AD_CLIENT_ID: z.string().optional(),
     AZURE_AD_CLIENT_SECRET: z.string().optional(),
     
@@ -21,11 +22,8 @@ export const env = createEnv({
     STRIPE_SECRET_KEY: z.string().optional(),
     STRIPE_WEBHOOK_SECRET: z.string().optional(),
     
-    // Policy Settings Ingestion API
+    // Redis used by BullMQ worker
-    POLICY_API_SECRET: z.string().optional(),
+    REDIS_URL: z.string().url().optional(),
-    
-    // n8n Webhook for manual policy sync
-    N8N_SYNC_WEBHOOK_URL: z.string().optional(),
   },
   client: {
     NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY: z.string().optional(),

lib/queue/redis.ts

@@ -0,0 +1,9 @@
+import Redis from 'ioredis';
+
+const redisUrl = process.env.REDIS_URL || 'redis://127.0.0.1:6379';
+
+// ioredis default `maxRetriesPerRequest` is not null; BullMQ requires it to be null.
+// Create a shared connection with `maxRetriesPerRequest: null` to be compatible with BullMQ.
+export const redisConnection = new Redis(redisUrl, { maxRetriesPerRequest: null });
+
+export default redisConnection;

lib/queue/syncQueue.ts

@@ -0,0 +1,9 @@
+import { Queue } from 'bullmq';
+import redisConnection from './redis';
+
+// Export a shared queue instance used by the app to enqueue sync jobs
+export const syncQueue = new Queue('intune-sync-queue', {
+  connection: redisConnection as any,
+});
+
+export default syncQueue;

package-lock.json

@@ -10,6 +10,7 @@
       "dependencies": {
         "@auth/core": "^0.34.3",
         "@auth/drizzle-adapter": "^1.11.1",
+        "@azure/identity": "^4.0.0",
         "@paralleldrive/cuid2": "^3.0.4",
         "@radix-ui/react-avatar": "^1.1.11",
         "@radix-ui/react-dialog": "^1.1.15",
@@ -18,11 +19,13 @@
         "@radix-ui/react-slot": "^1.2.4",
         "@stripe/stripe-js": "^8.5.2",
         "@t3-oss/env-nextjs": "^0.13.8",
+        "bullmq": "^5.0.0",
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
         "date-fns": "^4.1.0",
         "drizzle-orm": "^0.44.7",
         "drizzle-zod": "^0.8.3",
+        "ioredis": "^5.3.0",
         "lucide-react": "^0.554.0",
         "nanoid": "^5.1.6",
         "next": "16.0.3",
@@ -176,6 +179,164 @@
         "preact": ">=10"
       }
     },
+    "node_modules/@azure/abort-controller": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/@azure/abort-controller/-/abort-controller-2.1.2.tgz",
+      "integrity": "sha512-nBrLsEWm4J2u5LpAPjxADTlq3trDgVZZXHNKabeXZtpq3d3AbN/KGO82R87rdDz5/lYB024rtEf10/q0urNgsA==",
+      "license": "MIT",
+      "dependencies": {
+        "tslib": "^2.6.2"
+      },
+      "engines": {
+        "node": ">=18.0.0"
+      }
+    },
+    "node_modules/@azure/core-auth": {
+      "version": "1.10.1",
+      "resolved": "https://registry.npmjs.org/@azure/core-auth/-/core-auth-1.10.1.tgz",
+      "integrity": "sha512-ykRMW8PjVAn+RS6ww5cmK9U2CyH9p4Q88YJwvUslfuMmN98w/2rdGRLPqJYObapBCdzBVeDgYWdJnFPFb7qzpg==",
+      "license": "MIT",
+      "dependencies": {
+        "@azure/abort-controller": "^2.1.2",
+        "@azure/core-util": "^1.13.0",
+        "tslib": "^2.6.2"
+      },
+      "engines": {
+        "node": ">=20.0.0"
+      }
+    },
+    "node_modules/@azure/core-client": {
+      "version": "1.10.1",
+      "resolved": "https://registry.npmjs.org/@azure/core-client/-/core-client-1.10.1.tgz",
+      "integrity": "sha512-Nh5PhEOeY6PrnxNPsEHRr9eimxLwgLlpmguQaHKBinFYA/RU9+kOYVOQqOrTsCL+KSxrLLl1gD8Dk5BFW/7l/w==",
+      "license": "MIT",
+      "dependencies": {
+        "@azure/abort-controller": "^2.1.2",
+        "@azure/core-auth": "^1.10.0",
+        "@azure/core-rest-pipeline": "^1.22.0",
+        "@azure/core-tracing": "^1.3.0",
+        "@azure/core-util": "^1.13.0",
+        "@azure/logger": "^1.3.0",
+        "tslib": "^2.6.2"
+      },
+      "engines": {
+        "node": ">=20.0.0"
+      }
+    },
+    "node_modules/@azure/core-rest-pipeline": {
+      "version": "1.22.2",
+      "resolved": "https://registry.npmjs.org/@azure/core-rest-pipeline/-/core-rest-pipeline-1.22.2.tgz",
+      "integrity": "sha512-MzHym+wOi8CLUlKCQu12de0nwcq9k9Kuv43j4Wa++CsCpJwps2eeBQwD2Bu8snkxTtDKDx4GwjuR9E8yC8LNrg==",
+      "license": "MIT",
+      "dependencies": {
+        "@azure/abort-controller": "^2.1.2",
+        "@azure/core-auth": "^1.10.0",
+        "@azure/core-tracing": "^1.3.0",
+        "@azure/core-util": "^1.13.0",
+        "@azure/logger": "^1.3.0",
+        "@typespec/ts-http-runtime": "^0.3.0",
+        "tslib": "^2.6.2"
+      },
+      "engines": {
+        "node": ">=20.0.0"
+      }
+    },
+    "node_modules/@azure/core-tracing": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@azure/core-tracing/-/core-tracing-1.3.1.tgz",
+      "integrity": "sha512-9MWKevR7Hz8kNzzPLfX4EAtGM2b8mr50HPDBvio96bURP/9C+HjdH3sBlLSNNrvRAr5/k/svoH457gB5IKpmwQ==",
+      "license": "MIT",
+      "dependencies": {
+        "tslib": "^2.6.2"
+      },
+      "engines": {
+        "node": ">=20.0.0"
+      }
+    },
+    "node_modules/@azure/core-util": {
+      "version": "1.13.1",
+      "resolved": "https://registry.npmjs.org/@azure/core-util/-/core-util-1.13.1.tgz",
+      "integrity": "sha512-XPArKLzsvl0Hf0CaGyKHUyVgF7oDnhKoP85Xv6M4StF/1AhfORhZudHtOyf2s+FcbuQ9dPRAjB8J2KvRRMUK2A==",
+      "license": "MIT",
+      "dependencies": {
+        "@azure/abort-controller": "^2.1.2",
+        "@typespec/ts-http-runtime": "^0.3.0",
+        "tslib": "^2.6.2"
+      },
+      "engines": {
+        "node": ">=20.0.0"
+      }
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+    "node_modules/@azure/identity": {
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@@ -7537,6 +8145,12 @@
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@@ -7569,6 +8183,15 @@
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-      "dev": true,
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+      "license": "MIT",
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@@ -7841,6 +8494,27 @@
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+      "optional": true,
+      "dependencies": {
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@@ -8003,6 +8677,24 @@
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+      "resolved": "https://registry.npmjs.org/open/-/open-10.2.0.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "default-browser": "^5.2.1",
+        "define-lazy-prop": "^3.0.0",
+        "is-inside-container": "^1.0.0",
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+        "node": ">=18"
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+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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@@ -8561,6 +9253,27 @@
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+      "resolved": "https://registry.npmjs.org/redis-errors/-/redis-errors-1.2.0.tgz",
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+      "license": "MIT",
+      "engines": {
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+    "node_modules/redis-parser": {
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+      "license": "MIT",
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@@ -8683,6 +9396,18 @@
         "node": ">=0.10.0"
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+    "node_modules/run-applescript": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/run-applescript/-/run-applescript-7.1.0.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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@@ -8727,6 +9452,26 @@
         "url": "https://github.com/sponsors/ljharb"
       }
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+    "node_modules/safe-buffer": {
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+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
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+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "MIT"
+    },
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@@ -9036,6 +9781,12 @@
       "dev": true,
       "license": "MIT"
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@@ -9887,6 +10638,21 @@
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+      "resolved": "https://registry.npmjs.org/wsl-utils/-/wsl-utils-0.1.0.tgz",
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+      "license": "MIT",
+      "dependencies": {
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package.json

@@ -15,7 +15,8 @@
     "db:studio": "drizzle-kit studio",
     "db:studio:prod": "lsof -ti:5433 | xargs kill -9 2>/dev/null; ssh cloudarix \"docker rm -f db-proxy 2>/dev/null; IP=\\$(docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' tenantpilot-db-tav83h.1.8ijze7mxpcg69pvdlu0g4j4et); docker run --rm -d --name db-proxy --network dokploy-network -p 127.0.0.1:5433:5432 alpine/socat TCP-LISTEN:5432,fork TCP:\\$IP:5432\"; ssh -L 5433:127.0.0.1:5433 cloudarix -N & sleep 3 && DATABASE_URL='postgresql://postgres:JsdPCZiC1C56Sz@localhost:5433/postgres' drizzle-kit studio",
     "db:check": "drizzle-kit check",
-    "stripe:listen": "stripe listen --forward-to localhost:3000/api/webhooks/stripe"
+    "stripe:listen": "stripe listen --forward-to localhost:3000/api/webhooks/stripe",
+    "worker:start": "tsx ./worker/index.ts"
   },
   "dependencies": {
     "@auth/core": "^0.34.3",
@@ -44,6 +45,9 @@
     "resend": "^6.5.0",
     "sonner": "^2.0.7",
     "stripe": "^20.0.0",
+    "bullmq": "^5.0.0",
+    "ioredis": "^5.3.0",
+    "@azure/identity": "^4.0.0",
     "tailwind-merge": "^3.4.0",
     "tailwindcss-animate": "^1.0.7",
     "use-debounce": "^10.0.6",
@@ -65,3 +69,4 @@
     "typescript": "^5"
   }
 }
+

scripts/check-worker-health.js

@@ -0,0 +1,25 @@
+require('dotenv').config();
+const Redis = require('ioredis');
+const { Queue } = require('bullmq');
+
+async function main(){
+  const health = { ok: true, redisUrlPresent: !!process.env.REDIS_URL, timestamp: new Date().toISOString() };
+  console.log('health', health);
+
+  if (!process.env.REDIS_URL) {
+    console.error('No REDIS_URL set in environment');
+    process.exit(1);
+  }
+
+  const conn = new Redis(process.env.REDIS_URL);
+  const q = new Queue('intune-sync-queue', { connection: conn });
+  const counts = await q.getJobCounts();
+  console.log('queue', counts);
+  await q.close();
+  await conn.quit();
+}
+
+main().catch((err) => {
+  console.error('health-check-error', err);
+  process.exit(1);
+});

scripts/test-graph-connection.ts

@@ -0,0 +1,56 @@
+/**
+ * Smoke test script for Graph API connectivity
+ * Tests token acquisition and basic fetch from Microsoft Graph
+ * 
+ * Usage: tsx scripts/test-graph-connection.ts
+ */
+
+import 'dotenv/config';
+import { getGraphAccessToken } from '../worker/jobs/graphAuth';
+import { fetchFromGraph } from '../worker/jobs/graphFetch';
+
+async function main() {
+  console.log('=== Graph API Smoke Test ===\n');
+
+  // Check required env vars
+  const required = ['AZURE_AD_TENANT_ID', 'AZURE_AD_CLIENT_ID', 'AZURE_AD_CLIENT_SECRET'];
+  const missing = required.filter(key => !process.env[key]);
+  
+  if (missing.length > 0) {
+    console.error('❌ Missing required environment variables:', missing.join(', '));
+    console.error('\nPlease set these in your .env file:');
+    missing.forEach(key => console.error(`  ${key}=your_value_here`));
+    process.exit(1);
+  }
+
+  try {
+    // Test 1: Token acquisition
+    console.log('Test 1: Acquiring Graph access token...');
+    const token = await getGraphAccessToken();
+    console.log('✓ Token acquired successfully (length:', token.length, 'chars)\n');
+
+    // Test 2: Fetch device configurations
+    console.log('Test 2: Fetching device configurations...');
+    const configs = await fetchFromGraph('/deviceManagement/deviceConfigurations');
+    console.log(`✓ Fetched ${configs.length} device configuration(s)\n`);
+
+    // Test 3: Fetch compliance policies
+    console.log('Test 3: Fetching compliance policies...');
+    const compliance = await fetchFromGraph('/deviceManagement/deviceCompliancePolicies');
+    console.log(`✓ Fetched ${compliance.length} compliance policy/policies\n`);
+
+    console.log('=== All tests passed ✓ ===');
+    console.log(`\nTotal policies found: ${configs.length + compliance.length}`);
+    
+    process.exit(0);
+  } catch (error) {
+    console.error('\n❌ Test failed:', error instanceof Error ? error.message : String(error));
+    if (error instanceof Error && error.stack) {
+      console.error('\nStack trace:');
+      console.error(error.stack);
+    }
+    process.exit(1);
+  }
+}
+
+main();

scripts/test-queue-connection.js

@@ -0,0 +1,17 @@
+require('dotenv').config();
+const { Queue } = require('bullmq');
+const Redis = require('ioredis');
+
+async function main(){
+  const redisUrl = process.env.REDIS_URL || 'redis://127.0.0.1:6379';
+  console.log('Using REDIS_URL=', redisUrl);
+  const connection = new Redis(redisUrl);
+  const queue = new Queue('intune-sync-queue', { connection });
+
+  const job = await queue.add('sync-tenant', { tenantId: 'test-tenant' });
+  console.log('Enqueued job id=', job.id);
+  await connection.quit();
+  process.exit(0);
+}
+
+main().catch(err=>{ console.error(err); process.exit(1); });

scripts/test-ui-sync-flow.ts

@@ -0,0 +1,95 @@
+#!/usr/bin/env tsx
+/**
+ * End-to-end test: Simulate UI sync flow
+ * - Start worker (or use existing)
+ * - Trigger sync via syncQueue (like UI does)
+ * - Monitor job status
+ * - Verify database updates
+ */
+
+import 'dotenv/config';
+import { syncQueue } from '../lib/queue/syncQueue';
+import { db } from '../lib/db';
+import { policySettings } from '../lib/db/schema/policySettings';
+import { eq, desc } from 'drizzle-orm';
+
+async function simulateUISync() {
+  console.log('=== UI Sync Flow Test ===\n');
+
+  const tenantId = 'ui-test-tenant';
+
+  try {
+    // Step 1: Enqueue job (like UI button does)
+    console.log('1. Enqueueing sync job (simulating UI click)...');
+    const job = await syncQueue.add('sync-tenant', {
+      tenantId,
+      source: 'manual_trigger',
+      triggeredAt: new Date().toISOString(),
+      triggeredBy: 'test-user@example.com',
+    });
+
+    console.log(`   ✓ Job queued: #${job.id}\n`);
+
+    // Step 2: Monitor job status
+    console.log('2. Monitoring job status...');
+    let state = await job.getState();
+    let attempts = 0;
+    const maxAttempts = 60; // 60 seconds timeout
+
+    while (state !== 'completed' && state !== 'failed' && attempts < maxAttempts) {
+      await new Promise(resolve => setTimeout(resolve, 1000));
+      state = await job.getState();
+      attempts++;
+      
+      if (attempts % 5 === 0) {
+        console.log(`   Job state: ${state} (${attempts}s elapsed)`);
+      }
+    }
+
+    if (state === 'completed') {
+      console.log(`   ✓ Job completed after ${attempts}s\n`);
+      
+      const result = job.returnvalue;
+      console.log('3. Job result:');
+      console.log(`   Policies found: ${result?.policiesFound || 0}`);
+      console.log(`   Settings upserted: ${result?.settingsUpserted || 0}\n`);
+    } else if (state === 'failed') {
+      console.log(`   ✗ Job failed: ${job.failedReason}\n`);
+      return;
+    } else {
+      console.log(`   ⚠ Job timeout (state: ${state})\n`);
+      return;
+    }
+
+    // Step 3: Verify database
+    console.log('4. Verifying database updates...');
+    const settings = await db
+      .select()
+      .from(policySettings)
+      .where(eq(policySettings.tenantId, tenantId))
+      .orderBy(desc(policySettings.lastSyncedAt))
+      .limit(5);
+
+    console.log(`   ✓ Found ${settings.length} settings in database\n`);
+
+    if (settings.length > 0) {
+      console.log('5. Sample settings:');
+      settings.slice(0, 3).forEach((s, i) => {
+        console.log(`   ${i + 1}. ${s.policyName} → ${s.settingName}`);
+        console.log(`      Value: ${s.settingValue.substring(0, 60)}${s.settingValue.length > 60 ? '...' : ''}`);
+      });
+    }
+
+    console.log('\n=== Test Complete ✓ ===');
+    process.exit(0);
+
+  } catch (error) {
+    console.error('\n✗ Test failed:', error instanceof Error ? error.message : String(error));
+    if (error instanceof Error && error.stack) {
+      console.error('\nStack:', error.stack);
+    }
+    process.exit(1);
+  }
+}
+
+simulateUISync();

scripts/verify-sync.ts

@@ -0,0 +1,28 @@
+import 'dotenv/config';
+import { db } from '../lib/db';
+import { policySettings } from '../lib/db/schema/policySettings';
+import { eq } from 'drizzle-orm';
+
+async function main() {
+  console.log('=== Querying policy_settings for test-tenant ===\n');
+
+  const results = await db
+    .select()
+    .from(policySettings)
+    .where(eq(policySettings.tenantId, 'test-tenant'))
+    .limit(20);
+
+  console.log(`Found ${results.length} settings:\n`);
+
+  results.forEach((setting, idx) => {
+    console.log(`${idx + 1}. ${setting.policyName}`);
+    console.log(`   Type: ${setting.policyType}`);
+    console.log(`   Setting: ${setting.settingName}`);
+    console.log(`   Value: ${setting.settingValue.substring(0, 80)}${setting.settingValue.length > 80 ? '...' : ''}`);
+    console.log(`   Last synced: ${setting.lastSyncedAt}\n`);
+  });
+
+  process.exit(0);
+}
+
+main().catch(console.error);

specs/004-policy-explorer-v2/checklists/requirements.md

@@ -0,0 +1,34 @@
+# Specification Quality Checklist: Policy Explorer V2
+
+**Purpose**: Validate specification completeness and quality before proceeding to planning  
+**Created**: 2025-12-08  
+**Feature**: [spec.md](../spec.md)
+
+## Content Quality
+
+- [ ] No implementation details (languages, frameworks, APIs)
+- [ ] Focused on user value and business needs
+- [ ] Written for non-technical stakeholders
+- [ ] All mandatory sections completed
+
+## Requirement Completeness
+
+- [ ] No [NEEDS CLARIFICATION] markers remain
+- [ ] Requirements are testable and unambiguous
+- [ ] Success criteria are measurable
+- [ ] Success criteria are technology-agnostic (no implementation details)
+- [ ] All acceptance scenarios are defined
+- [ ] Edge cases are identified
+- [ ] Scope is clearly bounded
+- [ ] Dependencies and assumptions identified
+
+## Feature Readiness
+
+- [ ] All functional requirements have clear acceptance criteria
+- [ ] User scenarios cover primary flows
+- [ ] Feature meets measurable outcomes defined in Success Criteria
+- [ ] No implementation details leak into specification
+
+## Notes
+
+- Items marked incomplete require spec updates before `/speckit.clarify` or `/speckit.plan`

specs/004-policy-explorer-v2/spec.md

@@ -0,0 +1,206 @@
+# Feature Specification: Policy Explorer V2
+
+**Feature Branch**: `004-policy-explorer-v2`  
+**Created**: 2025-12-08  
+**Status**: Draft  
+**Input**: "Policy Explorer V2 - Advanced data table with pagination, sorting, filtering, column management, bulk export, and enhanced detail view for Intune policy settings analysis"
+
+## Overview
+
+Erweiterung des bestehenden Policy Explorers (`/search`) von einer einfachen Such-/Tabellenansicht zu einem vollwertigen Admin-Interface für die Analyse großer Policy-Datasets mit erweiterten Funktionen für Navigation, Filterung, Sortierung und Export.
+
+## User Scenarios & Testing *(mandatory)*
+
+### User Story 1 - Advanced Data Table Navigation (Priority: P1)
+
+Als Intune-Admin möchte ich durch große Policy-Datasets navigieren können mit Pagination, Sortierung und anpassbaren Spalten, um schnell relevante Settings zu finden.
+
+**Why this priority**: Grundlegende Tabellenfunktionalität ist essentiell für die Arbeit mit >100 Settings. Ohne Pagination und Sortierung wird die Tabelle unbrauchbar.
+
+**Independent Test**: Dataset mit 500+ Settings laden, Pagination durchklicken, nach verschiedenen Spalten sortieren, Spalten ein-/ausblenden.
+
+**Acceptance Scenarios**:
+
+1. **Given** der Admin hat 200+ Policy Settings im System, **When** er den Policy Explorer öffnet, **Then** sieht er maximal 50 Settings pro Seite mit Pagination Controls (Previous, Next, Page Numbers).
+2. **Given** der Admin sieht die Tabelle, **When** er auf einen Spalten-Header klickt, **Then** wird die Tabelle nach dieser Spalte sortiert (Toggle: ASC/DESC).
+3. **Given** der Admin sieht die Tabelle, **When** er das Column Visibility Menu öffnet und Spalten deselektiert, **Then** werden diese Spalten ausgeblendet und die Einstellung bleibt beim Reload erhalten (localStorage).
+4. **Given** der Admin sieht die Tabelle, **When** er eine Spaltenbreite mit der Maus anpasst, **Then** wird die neue Breite gespeichert (localStorage).
+5. **Given** der Admin scrollt nach unten, **When** er weiter scrollt, **Then** bleibt der Table Header sichtbar (sticky).
+
+---
+
+### User Story 2 - Enhanced Filtering (Priority: P1)
+
+Als Intune-Admin möchte ich nach PolicyType filtern können, um nur relevante Policy-Kategorien zu sehen.
+
+**Why this priority**: Filter sind essentiell für die Arbeit mit verschiedenen Policy-Typen (Compliance, Security, Configuration).
+
+**Independent Test**: PolicyType Filter auswählen, Ergebnisse validieren, Filter kombinieren mit Suche.
+
+**Acceptance Scenarios**:
+
+1. **Given** der Admin öffnet den Policy Explorer, **When** er den PolicyType Filter öffnet, **Then** sieht er alle verfügbaren Policy Types als Checkboxen (deviceConfiguration, compliancePolicy, etc.).
+2. **Given** der Admin hat einen PolicyType ausgewählt, **When** die Tabelle lädt, **Then** werden nur Settings dieses Typs angezeigt.
+3. **Given** der Admin hat Filter + Suche kombiniert, **When** er die Seite neu lädt, **Then** bleiben Filter und Suche aktiv (URL state).
+
+---
+
+### User Story 3 - Bulk Export (Priority: P1)
+
+Als Intune-Admin möchte ich Policy Settings als CSV exportieren können, um sie in Excel/Sheets zu analysieren oder zu dokumentieren.
+
+**Why this priority**: Export ist ein häufig gefordertes Feature für Compliance-Reports und Dokumentation.
+
+**Independent Test**: Rows selektieren, CSV Export triggern, Datei öffnen und Inhalt validieren.
+
+**Acceptance Scenarios**:
+
+1. **Given** der Admin hat Rows in der Tabelle selektiert, **When** er "Export Selected" klickt, **Then** wird ein CSV mit den selektierten Rows heruntergeladen.
+2. **Given** der Admin hat Filter angewendet, **When** er "Export All Filtered" klickt, **Then** wird ein CSV mit allen gefilterten Results heruntergeladen (serverseitig generiert).
+3. **Given** das CSV wurde generiert, **When** der Admin die Datei öffnet, **Then** enthält sie alle relevanten Spalten (Policy Name, Type, Setting Name, Value, Last Synced) mit korrektem CSV-Escaping.
+
+---
+
+### User Story 4 - Enhanced Detail View (Priority: P2)
+
+Als Intune-Admin möchte ich im Detail-Sheet erweiterte Funktionen haben (Copy-to-Clipboard, Raw JSON View), um Settings schnell zu teilen oder zu debuggen.
+
+**Why this priority**: Quality-of-Life Verbesserung für Power-User. Nicht MVP-blocking aber sehr nützlich.
+
+**Independent Test**: Detail-Sheet öffnen, Copy-Buttons testen, Raw JSON Tab öffnen.
+
+**Acceptance Scenarios**:
+
+1. **Given** der Admin öffnet das Detail-Sheet für ein Setting, **When** er auf "Copy Policy ID" klickt, **Then** wird die graphPolicyId in die Zwischenablage kopiert.
+2. **Given** der Admin sieht das Detail-Sheet, **When** er auf "Raw JSON" Tab klickt, **Then** sieht er die kompletten Rohdaten formatiert als JSON.
+3. **Given** das Setting hat eine graphPolicyId, **When** der Admin "Open in Intune" klickt, **Then** öffnet sich ein neues Tab mit dem Intune Portal Link (oder wird Policy ID kopiert als Fallback).
+
+---
+
+### Edge Cases
+
+- Was passiert bei sehr breiten Tabellen (viele Spalten)? → Horizontales Scrolling + Sticky erste Spalte.
+- Wie verhält sich Export bei >10.000 Rows? → Server-seitige Limitierung auf max 5000 Rows pro Export mit Warning.
+- Was passiert wenn keine Rows selektiert sind beim Export? → Button disabled mit Tooltip "Select rows first".
+- Wie wird Sorting mit Pagination kombiniert? → Server-seitig: Sort state wird an API übergeben.
+- Was passiert bei Column Resize auf mobilen Geräten? → Touch-optimierte Resize Handles oder Feature deaktiviert auf <768px.
+
+## Requirements *(mandatory)*
+
+### Functional Requirements
+
+- **FR-001**: System MUSS serverseitige Pagination mit konfigurierbarer Page Size (10/25/50/100) unterstützen.
+- **FR-002**: System MUSS Sortierung nach allen Spalten unterstützen (ASC/DESC Toggle).
+- **FR-003**: System MUSS Column Visibility Management bereitstellen (Spalten ein-/ausblenden via Dropdown).
+- **FR-004**: System MUSS Column Resizing unterstützen (Drag & Drop an Spaltenrändern).
+- **FR-005**: System MUSS Sticky Table Header implementieren (bleibt beim Scrollen sichtbar).
+- **FR-006**: System MUSS PolicyType Filter als Multi-Select Checkbox implementieren.
+- **FR-007**: System MUSS Filter + Suche kombinierbar machen (beide aktiv gleichzeitig).
+- **FR-008**: System MUSS URL State für Filter/Sort/Search speichern (shareable links).
+- **FR-009**: System MUSS localStorage für Column Settings verwenden (Breite, Visibility, Reihenfolge).
+- **FR-010**: System MUSS Row Selection mit Checkboxes implementieren (einzeln + Select All).
+- **FR-011**: System MUSS CSV Export für Selected Rows bereitstellen (client-seitig generiert).
+- **FR-012**: System MUSS CSV Export für All Filtered Results bereitstellen (server-seitig, max 5000 Rows).
+- **FR-013**: System MUSS Copy-to-Clipboard Buttons für Policy ID, Setting Name, Setting Value implementieren.
+- **FR-014**: System MUSS Raw JSON View im Detail-Sheet anzeigen.
+- **FR-015**: System MUSS "Open in Intune" Button implementieren (wenn graphPolicyId vorhanden).
+- **FR-016**: System MUSS Truncation + Tooltip für lange Werte/IDs implementieren.
+- **FR-017**: System MUSS Compact/Comfortable Density Mode Toggle bereitstellen.
+- **FR-018**: System MUSS Meta-Info Zeile über Tabelle anzeigen (X settings · Y policies · Last sync).
+
+### Key Entities
+
+Erweitert `PolicySetting` Datenmodell (keine Schema-Änderungen nötig):
+
+- **DataTableState**: Client-side State für Tabelle
+  - `pagination`: { page: number, pageSize: number }
+  - `sorting`: { column: string, direction: 'asc'|'desc' }[]
+  - `columnVisibility`: { [columnId: string]: boolean }
+  - `columnSizing`: { [columnId: string]: number }
+  - `rowSelection`: { [rowId: string]: boolean }
+
+- **FilterState**: Filter-Zustand
+  - `policyTypes`: string[] (selected policy types)
+  - `searchQuery`: string (existing search)
+  - `dateRange`: { from?: Date, to?: Date } (optional, Phase 2)
+
+## Success Criteria *(mandatory)*
+
+### Measurable Outcomes
+
+- **SC-001**: Pagination lädt neue Seiten in <500ms (serverseitige Query + Rendering).
+- **SC-002**: Sortierung funktioniert auf allen Spalten ohne Performance-Degradation bei 1000+ Rows.
+- **SC-003**: Column Settings (Visibility, Sizing) bleiben nach Browser-Reload erhalten.
+- **SC-004**: CSV Export für 1000 Selected Rows dauert <2s (client-seitig).
+- **SC-005**: CSV Export für 5000 Filtered Results dauert <5s (server-seitig).
+- **SC-006**: Filter + Suche kombiniert reduziert Results korrekt (AND-Logik).
+- **SC-007**: URL State ist shareable (Copy/Paste URL zeigt identische Filterung).
+- **SC-008**: Detail-Sheet Copy-Buttons funktionieren in allen modernen Browsern (Chrome, Firefox, Safari, Edge).
+
+## Assumptions
+
+- TanStack Table (React Table v8) wird als Data Table Library verwendet.
+- Shadcn UI Table Komponenten werden erweitert oder mit TanStack Table integriert.
+- Export-Logik nutzt serverseitigen Endpoint für große Datasets (>1000 Rows).
+- Column Settings werden im localStorage gespeichert (keine User-Profile Persistierung).
+- "Open in Intune" Links werden per Policy Type konstruiert (bekannte URL-Pattern).
+
+## Nicht-Ziele (Out of Scope)
+
+- Kein Policy Editing (read-only view bleibt erhalten).
+- Kein vollständiges RBAC-System (bleibt bei Tenant-Isolation).
+- Kein Conflict Detection (Phase 2).
+- Kein Policy Comparison/Diff (Phase 2).
+- Kein Saved Views (Phase 2).
+- Keine Gruppierung (Group by Policy/Setting) (Phase 2).
+
+## Technical Notes
+
+### TanStack Table Integration
+
+- `@tanstack/react-table` bereits im Projekt vorhanden oder muss installiert werden
+- Server-side Pagination, Sorting, Filtering via Server Actions
+- Column Definitions mit Type-Safety via TypeScript
+- Shadcn Table Primitives als UI Layer
+
+### CSV Export Strategy
+
+**Client-Side** (Selected Rows):
+- Library: `papaparse` oder native String-Builder
+- Maximal 1000 Rows empfohlen
+- Sofortiger Download ohne Server-Request
+
+**Server-Side** (Filtered Results):
+- Neuer Server Action: `exportPolicySettingsCSV(filterState)`
+- Stream-basierter Export für große Datasets
+- Content-Disposition Header für File Download
+- Limit: 5000 Rows (UI Warning bei mehr)
+
+### URL State Management
+
+- `nuqs` Library für type-safe URL State
+- Query Params:
+  - `page`: number
+  - `pageSize`: 10|25|50|100
+  - `sortBy`: columnId
+  - `sortDir`: asc|desc
+  - `policyTypes`: comma-separated
+  - `q`: search query
+
+### Column Configuration
+
+Default Columns:
+- Setting Name (visible, pinned left)
+- Setting Value (visible, truncated)
+- Policy Name (visible)
+- Policy Type (visible, badge)
+- Last Synced (visible, relative time)
+- Policy ID (hidden by default)
+
+## Dependencies
+
+- TanStack Table v8: `@tanstack/react-table`
+- CSV Export: `papaparse` (optional, kann auch nativ gebaut werden)
+- URL State: `nuqs` (optional, kann auch mit useSearchParams gelöst werden)
+- Clipboard API: Native Browser API
+- Icons: Lucide React (bereits vorhanden)

specs/005-backend-arch-pivot/analysis-report.md

@@ -0,0 +1,303 @@
+# Specification Analysis Report: Feature 005 Backend Architecture Pivot
+
+**Generated**: 2025-12-09  
+**Feature**: 005-backend-arch-pivot  
+**Analyzed Files**: spec.md, plan.md, tasks.md, constitution.md
+
+---
+
+## Executive Summary
+
+**Overall Status**: ✅ **PASS** - Minor issues only
+
+**Critical Issues**: 0  
+**High Priority Issues**: 0  
+**Medium Priority Issues**: 3  
+**Low Priority Issues**: 4
+
+**Recommendation**: Safe to proceed with `/speckit.implement` after addressing 3 medium-priority issues.
+
+---
+
+## Analysis Findings
+
+| ID | Category | Severity | Location(s) | Summary | Recommendation |
+|----|----------|----------|-------------|---------|----------------|
+| A1 | Task Count Discrepancy | MEDIUM | tasks.md:L4 vs actual count | Header claims "49 tasks" but actual count is 64 tasks (T001-T066) | Update header to "Total Tasks: 64" |
+| A2 | Missing Task References | MEDIUM | plan.md | Plan describes 8 phases but doesn't reference specific task IDs consistently | Add task ID references in phase descriptions |
+| A3 | Success Criteria Mismatch | MEDIUM | spec.md vs tasks.md | SC-006 mentions technology-specific details (Grep-Search) vs plan's technology-agnostic approach | Already fixed in spec.md, verify consistency |
+| D1 | Terminology Drift | LOW | spec.md vs plan.md vs tasks.md | "Worker Process" vs "Worker" vs "Background Worker" used interchangeably | Standardize to "Worker Process" |
+| D2 | Phase Numbering | LOW | tasks.md | Uses "Phase 1-9" but plan.md uses "Phase 0-8" | Align phase numbering between docs |
+| T1 | Task Dependency Clarity | LOW | tasks.md | Parallel opportunities listed but not visualized in task list | Add [P] markers to all parallel-safe tasks |
+| T2 | Missing Test Task | LOW | tasks.md Phase 8 | No test for FR-022 (optional job status endpoint) | Add note that FR-022 is out of MVP scope |
+
+---
+
+## Coverage Summary
+
+### Requirements Coverage
+
+**Total Requirements**: 26 (FR-001 to FR-026)  
+**Requirements with Task Coverage**: 26 (100%)
+
+| Requirement | Has Tasks? | Task IDs | Notes |
+|-------------|-----------|----------|-------|
+| FR-001 (BullMQ) | ✅ | T005, T006, T007 | Install + setup |
+| FR-002 (Redis Connection) | ✅ | T006 | lib/queue/redis.ts |
+| FR-003 (Worker Process) | ✅ | T009 | worker/index.ts |
+| FR-004 (npm Script) | ✅ | T010 | worker:start |
+| FR-005 (REDIS_URL validation) | ✅ | T003, T004 | env.mjs updates |
+| FR-006 (Azure AD Token) | ✅ | T015, T016 | graphAuth.ts |
+| FR-007 (Graph Endpoints) | ✅ | T018-T021 | 4 endpoints |
+| FR-008 (Pagination) | ✅ | T019 | fetchWithPagination |
+| FR-009 (Error Retry) | ✅ | T022 | retry.ts |
+| FR-010 (Settings Catalog) | ✅ | T027-T029 | parseSettingsCatalog |
+| FR-011 (OMA-URI) | ✅ | T030, T031 | parseOmaUri |
+| FR-012 (Deep Flattening) | ✅ | T024-T029 | policyParser.ts |
+| FR-013 (Humanization) | ✅ | T032, T033 | humanizer.ts |
+| FR-014 (Type Detection) | ✅ | T025 | detectPolicyType |
+| FR-015 (Empty Policies) | ✅ | T034 | defaultEmptySetting |
+| FR-016 (Drizzle ORM) | ✅ | T036-T040 | dbUpsert.ts |
+| FR-017 (onConflictDoUpdate) | ✅ | T038 | Conflict resolution |
+| FR-018 (Field Mapping) | ✅ | T040 | All required fields |
+| FR-019 (lastSyncedAt) | ✅ | T039 | Timestamp update |
+| FR-020 (Frontend Integration) | ✅ | T043-T045 | triggerPolicySync |
+| FR-021 (Job ID Return) | ✅ | T045 | Return jobId |
+| FR-022 (Status Endpoint) | ⚠️ | None | Optional, out of MVP scope |
+| FR-023 (Delete policy-settings API) | ✅ | T047 | File deletion |
+| FR-024 (Delete admin/tenants API) | ✅ | T048 | File deletion |
+| FR-025 (Remove POLICY_API_SECRET) | ✅ | T049, T051, T053 | .env + env.mjs |
+| FR-026 (Remove N8N_SYNC_WEBHOOK_URL) | ✅ | T050, T052, T054 | .env + env.mjs |
+
+### User Story Coverage
+
+**Total User Stories**: 4  
+**User Stories with Task Coverage**: 4 (100%)
+
+| User Story | Phase | Task Coverage | Notes |
+|------------|-------|---------------|-------|
+| US1: Manual Policy Sync via Queue | 1, 2, 6 | T001-T014, T043-T046 | Complete |
+| US2: Microsoft Graph Data Fetching | 3 | T015-T023 | Complete |
+| US3: Deep Flattening & Transformation | 4 | T024-T035 | Complete |
+| US4: Legacy Code Removal | 7 | T047-T055 | Complete |
+
+### Success Criteria Coverage
+
+**Total Success Criteria**: 8 (SC-001 to SC-008)  
+**Success Criteria with Task Coverage**: 8 (100%)
+
+| Success Criterion | Mapped Tasks | Notes |
+|-------------------|--------------|-------|
+| SC-001: <200ms job creation | T001-T008 | Infrastructure |
+| SC-002: 50 policies in <30s | T041-T042 | Full sync |
+| SC-003: 100+ policy pagination | T019-T021 | fetchWithPagination |
+| SC-004: >95% extraction | T024-T035 | Parser validation |
+| SC-005: Auto-retry on errors | T022-T023 | Exponential backoff |
+| SC-006: Zero n8n references | T047-T055 | Legacy cleanup |
+| SC-007: Worker stable 1h+ | T061, T066 | E2E + deployment |
+| SC-008: No data loss | T041-T042 | Upsert logic |
+
+---
+
+## Constitution Alignment Issues
+
+**Status**: ✅ **NO VIOLATIONS**
+
+All constitution principles are properly addressed in the plan:
+
+| Principle | Compliance | Evidence |
+|-----------|-----------|----------|
+| I. Server-First Architecture | ✅ | Worker = background Server Action pattern |
+| II. TypeScript Strict Mode | ✅ | All worker code in strict mode (plan.md L79) |
+| III. Drizzle ORM Integration | ✅ | FR-016, T036-T040 |
+| IV. Shadcn UI Components | ✅ | No UI changes (plan.md L81) |
+| V. Azure AD Multi-Tenancy | ✅ | Uses existing Azure AD Client Credentials |
+
+---
+
+## Unmapped Tasks
+
+**Status**: ✅ All tasks mapped to requirements
+
+No orphan tasks found - all 64 tasks trace back to functional requirements or user stories.
+
+---
+
+## Ambiguity Detection
+
+### Vague Language Found
+
+| Location | Term | Issue | Recommendation |
+|----------|------|-------|----------------|
+| spec.md:L182 | "stabil" | Undefined stability metric | Already addressed by SC-007 (1+ hour, 10+ jobs) |
+| spec.md:L199 | "dokumentiert oder nachvollziehbar" | Unclear validation method | Add task to document n8n logic extraction process |
+
+### Unresolved Placeholders
+
+**Status**: ✅ No placeholders found (no TODO, TKTK, ???, `<placeholder>`)
+
+---
+
+## Inconsistency Detection
+
+### Terminology Drift
+
+| Term Variations | Occurrences | Standard Form | Action |
+|-----------------|-------------|---------------|--------|
+| Worker Process / Worker / Background Worker | spec.md (3), plan.md (5), tasks.md (2) | Worker Process | Update all to "Worker Process" |
+| BullMQ / Bull MQ / Job Queue | spec.md (2), tasks.md (1) | BullMQ | Already consistent |
+| Redis / Redis Queue / In-Memory Store | Various | Redis | Already consistent |
+
+### Phase Numbering Mismatch
+
+**Issue**: plan.md uses "Phase 0-8" (9 phases) but tasks.md uses "Phase 1-9" (9 phases)
+
+**Impact**: MEDIUM - Confusing for developers
+
+**Recommendation**: Standardize to "Phase 1-9" in both documents (remove "Phase 0" concept)
+
+### Data Entity Inconsistencies
+
+**Status**: ✅ No conflicts
+
+All entities (SyncJobPayload, GraphPolicyResponse, FlattenedSetting) consistently defined.
+
+---
+
+## Duplication Detection
+
+### Near-Duplicate Requirements
+
+**Status**: ✅ No duplicates found
+
+All 26 functional requirements are distinct and non-overlapping.
+
+### Redundant Tasks
+
+| Task Pair | Similarity | Analysis | Action |
+|-----------|----------|----------|--------|
+| T003 + T004 | Both update lib/env.mjs | Intentional (schema vs runtime) | Keep separate |
+| T049-T050 + T051-T054 | All remove env vars | Intentional (different locations) | Keep separate |
+
+---
+
+## Underspecification Issues
+
+### Requirements Missing Measurable Criteria
+
+| Requirement | Issue | Recommendation |
+|-------------|-------|----------------|
+| FR-009 | "max 3 Versuche" - no backoff timing specified | Add to technical-notes.md (already present) |
+| FR-013 | Humanization rules not fully specified | Acceptable - examples provided, edge cases handled in code |
+
+### User Stories Missing Acceptance Criteria
+
+**Status**: ✅ All user stories have 5 acceptance scenarios each
+
+### Tasks with No Validation
+
+| Task | Issue | Recommendation |
+|------|-------|----------------|
+| T011 | Worker event handlers - no validation criteria | Add validation: "Verify logs appear for completed/failed/error events" |
+| T012 | Structured logging - format not specified | Add validation: "Verify JSON format with required fields (event, jobId, timestamp)" |
+
+---
+
+## Metrics
+
+- **Total Requirements**: 26
+- **Total User Stories**: 4
+- **Total Tasks**: 64 (header claims 49 - needs update)
+- **Total Success Criteria**: 8
+- **Requirements Coverage**: 100% (26/26 have tasks)
+- **User Story Coverage**: 100% (4/4 have tasks)
+- **Success Criteria Coverage**: 100% (8/8 mapped)
+- **Ambiguity Count**: 2 (minor)
+- **Duplication Count**: 0
+- **Critical Issues**: 0
+- **Constitution Violations**: 0
+
+---
+
+## Next Actions
+
+### ✅ FIXED (3 Issues Resolved)
+
+1. **A1: Task Count Updated** - Changed tasks.md header from "49 tasks" to "64 tasks" ✅
+2. **A2: Task References Added** - Added task ID references to all phase descriptions in plan.md ✅
+3. **D2: Phase Numbering Aligned** - Standardized phase numbering (1-9 in both plan and tasks) ✅
+
+### SHOULD FIX (Quality Improvements)
+
+4. **D1: Standardize Terminology** - Replace all instances of "Worker" with "Worker Process"
+5. **T1: Mark Parallel Tasks** - Add [P] markers to tasks that can run in parallel
+6. **T2: Document FR-022 Scope** - Add note that job status endpoint is Phase 2 feature
+
+### OPTIONAL (Nice to Have)
+
+7. Add validation criteria to T011 and T012
+8. Document n8n logic extraction process (for "nachvollziehbar" assumption)
+
+---
+
+## Implementation Status
+
+✅ **READY FOR IMPLEMENTATION**
+
+All medium-priority issues resolved. Feature 005 is ready for Phase 1 implementation (T001-T008: Setup & Infrastructure).
+
+---
+
+## Remediation Suggestions
+
+### Fix A1: Task Count Header
+
+**File**: `specs/005-backend-arch-pivot/tasks.md`
+
+**Line 4**: Change from:
+```markdown
+**Total Tasks**: 49
+```
+
+To:
+```markdown
+**Total Tasks**: 64
+```
+
+---
+
+### Fix D2: Phase Numbering
+
+**Option 1** (Recommended): Rename "Phase 0" to "Phase 1" in plan.md
+
+**Option 2**: Rename "Phase 1" to "Phase 0" in tasks.md
+
+**Recommendation**: Use Option 1 (start with Phase 1 for consistency with task numbering)
+
+---
+
+## Conclusion
+
+**Overall Quality**: HIGH
+
+**Readiness**: ✅ **READY FOR IMPLEMENTATION** after addressing 3 medium-priority issues
+
+**Strengths**:
+- 100% requirement coverage
+- 100% user story coverage  
+- Zero constitution violations
+- Clear traceability from spec → plan → tasks
+- Comprehensive technical notes
+- Well-defined success criteria
+
+**Weaknesses**:
+- Minor task count discrepancy (easily fixable)
+- Phase numbering mismatch (cosmetic)
+- Some terminology drift (non-blocking)
+
+**Risk Assessment**: LOW - Issues are documentation-only, no architectural or design flaws detected.
+
+---
+
+**Report Status**: ✅ Complete  
+**Next Step**: Address 3 medium-priority fixes, then proceed with implementation

specs/005-backend-arch-pivot/checklists/requirements.md

@@ -0,0 +1,50 @@
+# Specification Quality Checklist: Backend Architecture Pivot
+
+**Purpose**: Validate specification completeness and quality before proceeding to planning  
+**Created**: 2025-12-09  
+**Feature**: [spec.md](../spec.md)  
+**Status**: ✅ VALIDATED (2025-12-09)
+
+## Content Quality
+
+- [x] No implementation details (languages, frameworks, APIs)
+- [x] Focused on user value and business needs
+- [x] Written for non-technical stakeholders
+- [x] All mandatory sections completed
+
+## Requirement Completeness
+
+- [x] No [NEEDS CLARIFICATION] markers remain
+- [x] Requirements are testable and unambiguous
+- [x] Success criteria are measurable
+- [x] Success criteria are technology-agnostic (no implementation details)
+- [x] All acceptance scenarios are defined
+- [x] Edge cases are identified
+- [x] Scope is clearly bounded
+- [x] Dependencies and assumptions identified
+
+## Feature Readiness
+
+- [x] All functional requirements have clear acceptance criteria
+- [x] User scenarios cover primary flows
+- [x] Feature meets measurable outcomes defined in Success Criteria
+- [x] No implementation details leak into specification
+
+## Validation Summary
+
+**Date**: 2025-12-09  
+**Result**: ✅ ALL CHECKS PASSED
+
+**Actions Taken**:
+1. Removed all code examples from spec.md and moved to separate technical-notes.md
+2. Rewrote Success Criteria to be technology-agnostic (removed references to Redis, BullMQ, Grep-Search, etc.)
+3. Updated Dependencies section to be library-agnostic (e.g., "Job Queue System" instead of "BullMQ")
+4. Simplified Technical Notes section to high-level architecture overview only
+
+**Quality Improvements**:
+- Spec is now fully business-focused and stakeholder-friendly
+- Technical implementation details isolated in separate document
+- Success criteria focus on user-visible outcomes and system behavior
+- All mandatory sections complete with clear acceptance scenarios
+
+**Ready for**: `/speckit.plan` command to generate implementation plan

specs/005-backend-arch-pivot/plan.md

@@ -0,0 +1,767 @@
+# Implementation Plan: Backend Architecture Pivot
+
+**Feature Branch**: `005-backend-arch-pivot`  
+**Created**: 2025-12-09  
+**Spec**: [spec.md](./spec.md)  
+**Status**: Ready for Implementation
+
+---
+
+## Executive Summary
+
+**Goal**: Migrate from n8n Low-Code backend to TypeScript Code-First backend with BullMQ job queue for Policy synchronization.
+
+**Impact**: Removes external n8n dependency, improves maintainability, enables AI-assisted refactoring, and provides foundation for future scheduled sync features.
+
+**Complexity**: HIGH - Requires new infrastructure (Redis, BullMQ), worker process deployment, and careful data transformation logic porting.
+
+---
+
+## Technical Context
+
+### Current Architecture (n8n-based)
+
+```
+User clicks "Sync Now"
+    ↓
+Server Action: triggerPolicySync()
+    ↓
+HTTP POST → n8n Webhook (N8N_SYNC_WEBHOOK_URL)
+    ↓
+n8n Workflow:
+  1. Microsoft Graph Authentication
+  2. Fetch Policies (4 endpoints with pagination)
+  3. JavaScript Code Node: Deep Flattening Logic
+  4. HTTP POST → TenantPilot Ingestion API
+    ↓
+API Route: /api/policy-settings (validates POLICY_API_SECRET)
+    ↓
+Drizzle ORM: Insert/Update policy_settings table
+```
+
+**Problems**:
+- External dependency (n8n instance required)
+- Complex transformation logic hidden in n8n Code Node
+- Hard to test, version control, and refactor
+- No AI assistance for n8n code
+- Additional API security layer needed (POLICY_API_SECRET)
+
+### Target Architecture (BullMQ-based)
+
+```
+User clicks "Sync Now"
+    ↓
+Server Action: triggerPolicySync()
+    ↓
+BullMQ: Add job to Redis queue "intune-sync-queue"
+    ↓
+Worker Process (TypeScript):
+  1. Microsoft Graph Authentication (@azure/identity)
+  2. Fetch Policies (4 endpoints with pagination)
+  3. TypeScript: Deep Flattening Logic
+  4. Drizzle ORM: Direct Insert/Update
+    ↓
+Database: policy_settings table
+```
+
+**Benefits**:
+- No external dependencies (Redis only)
+- All logic in TypeScript (version-controlled, testable)
+- AI-assisted refactoring possible
+- Simpler security model (no API bridge)
+- Foundation for scheduled syncs
+
+---
+
+## Constitution Check *(mandatory)*
+
+### Compliance Verification
+
+| Principle | Status | Notes |
+|-----------|--------|-------|
+| **I. Server-First Architecture** | ✅ COMPLIANT | Worker uses Server Actions pattern (background job processing), no client fetches |
+| **II. TypeScript Strict Mode** | ✅ COMPLIANT | All worker code in TypeScript strict mode, fully typed Graph API responses |
+| **III. Drizzle ORM Integration** | ✅ COMPLIANT | Worker uses Drizzle for all DB operations, no raw SQL |
+| **IV. Shadcn UI Components** | ✅ COMPLIANT | No UI changes (frontend only triggers job, uses existing components) |
+| **V. Azure AD Multi-Tenancy** | ✅ COMPLIANT | Uses existing Azure AD Client Credentials for Graph API access |
+
+### Risk Assessment
+
+**HIGH RISK**: Worker deployment as separate process (requires Docker Compose update, PM2/Systemd config)
+
+**MEDIUM RISK**: Graph API rate limiting handling (needs robust retry logic)
+
+**LOW RISK**: BullMQ integration (well-documented library, standard Redis setup)
+
+### Justification
+
+Architecture pivot necessary to:
+1. Remove external n8n dependency (reduces operational complexity)
+2. Enable AI-assisted development (TypeScript vs. n8n visual flows)
+3. Improve testability (unit/integration tests for worker logic)
+4. Prepare for Phase 2 features (scheduled syncs, multi-tenant parallel processing)
+
+**Approved**: Constitution compliance verified, complexity justified by maintainability gains.
+
+---
+
+## File Tree & Changes
+
+```
+tenantpilot/
+├── .env                             # [MODIFIED] Add REDIS_URL, remove POLICY_API_SECRET + N8N_SYNC_WEBHOOK_URL
+├── (Redis provided by deployment)   # No `docker-compose.yml` required; ensure `REDIS_URL` is set by Dokploy
+├── package.json                     # [MODIFIED] Add bullmq, ioredis, @azure/identity, tsx dependencies
+│
+├── lib/
+│   ├── env.mjs                      # [MODIFIED] Add REDIS_URL validation, remove POLICY_API_SECRET + N8N_SYNC_WEBHOOK_URL
+│   ├── queue/
+│   │   ├── redis.ts                 # [NEW] Redis connection for BullMQ
+│   │   └── syncQueue.ts             # [NEW] BullMQ Queue definition for "intune-sync-queue"
+│   └── actions/
+│       └── policySettings.ts        # [MODIFIED] Replace n8n webhook call with BullMQ job creation
+│
+├── worker/
+│   ├── index.ts                     # [NEW] BullMQ Worker entry point
+│   ├── jobs/
+│   │   ├── syncPolicies.ts          # [NEW] Main sync orchestration logic
+│   │   ├── graphAuth.ts             # [NEW] Azure AD token acquisition
+│   │   ├── graphFetch.ts            # [NEW] Microsoft Graph API calls with pagination
+│   │   ├── policyParser.ts          # [NEW] Deep flattening & transformation logic
+│   │   └── dbUpsert.ts              # [NEW] Drizzle ORM upsert operations
+│   └── utils/
+│       ├── humanizer.ts             # [NEW] Setting ID humanization
+│       └── retry.ts                 # [NEW] Exponential backoff retry logic
+│
+├── app/api/
+│   ├── policy-settings/
+│   │   └── route.ts                 # [DELETED] n8n ingestion API no longer needed
+│   └── admin/
+│       └── tenants/
+│           └── route.ts             # [DELETED] n8n polling API no longer needed
+│
+└── specs/005-backend-arch-pivot/
+    ├── spec.md                      # ✅ Complete
+    ├── plan.md                      # 📝 This file
+    ├── technical-notes.md           # ✅ Complete (implementation reference)
+    └── tasks.md                     # 🔜 Generated next
+```
+
+---
+
+## Phase Breakdown
+
+### Phase 1: Setup & Infrastructure (T001-T008)
+
+**Goal**: Prepare environment, install dependencies, and wire the app to the provisioned Redis instance
+
+**Tasks**:
+- T001: Confirm `REDIS_URL` is provided by Dokploy and obtain connection details
+- T002-T004: Add `REDIS_URL` to local `.env` (for development) and to `lib/env.mjs` runtime validation
+- T005: Install npm packages: `bullmq`, `ioredis`, `@azure/identity`, `tsx`
+- T006-T007: Create Redis connection and BullMQ Queue
+- T008: Test infrastructure (connect to provided Redis from local/dev environment)
+
+**Deliverables**:
+- Connection details for Redis from Dokploy documented
+- Environment variables validated (local + deploy)
+- Dependencies in `package.json`
+- Queue operational using the provided Redis
+
+**Exit Criteria**: `npm run dev` starts without env validation errors and the queue accepts jobs against the provided Redis
+
+---
+
+### Phase 2: Worker Process Skeleton (T009-T014)ntry point and basic job processing infrastructure
+
+**Tasks**:
+- T009: Create `worker/index.ts` - BullMQ Worker entry point
+- T010-T012: Add npm script, event handlers, structured logging
+- T013: Create sync orchestration skeleton
+- T014: Test worker startup
+
+**Deliverables**:
+- Worker process can be started via `npm run worker:start`
+- Jobs flow from queue → worker
+- Event logging operational
+
+**Exit Criteria**: Worker logs "Processing job X" when job is added to queue
+
+---
+
+### Phase 3: Microsoft Graph Integration (T015-T023)ion and Microsoft Graph API data fetching with pagination
+
+**Tasks**:
+- T015-T017: Create `worker/jobs/graphAuth.ts` - Azure AD token acquisition
+- T018-T021: Create `worker/jobs/graphFetch.ts` - Fetch from 4 endpoints with pagination
+- T022: Create `worker/utils/retry.ts` - Exponential backoff
+- T023: Test with real tenant data
+
+**Deliverables**:
+- `getGraphAccessToken()` returns valid token
+- `fetchAllPolicies()` returns all policies from 4 endpoints
+- Pagination handled correctly (follows `@odata.nextLink`)
+- Rate limiting handled with retry
+
+**Exit Criteria**: Worker successfully fetches >50 policies for test tenant
+
+---
+
+### Phase 4: Data Transformation (T024-T035)
+
+**Goal**: Port n8n flattening logic to TypeScript
+
+**Tasks**:
+1. Create `worker/jobs/policyParser.ts` - Policy type detection & routing
+2. Implement Settings Catalog parser (`settings[]` → flat key-value)
+3. Implement OMA-URI parser (`omaSettings[]` → flat key-value)
+4. Create `worker/utils/humanizer.ts` - Setting ID humanization
+5. Handle empty policies (default placeholder setting)
+6. Test: Parse sample policies, verify output structure
+
+**Deliverables**:
+- `parsePolicySettings()` converts Graph response → FlattenedSetting[]
+- Humanizer converts technical IDs → readable names
+- Empty policies get "(No settings configured)" entry
+
+**Exit Criteria**: 95%+ of sample settings are correctly extracted and formatted
+
+---
+
+### Phase 5: Database Persistence (T036-T043)
+
+**Goal**: Implement Drizzle ORM upsert logic
+
+**Tasks**:
+1. Create `worker/jobs/dbUpsert.ts` - Batch upsert with conflict resolution
+2. Use existing `policy_settings` table schema
+3. Leverage `policy_settings_upsert_unique` constraint (tenantId + graphPolicyId + settingName)
+4. Update `lastSyncedAt` on every sync
+5. Test: Run full sync, verify data in DB
+
+**Deliverables**:
+- `upsertPolicySettings()` inserts new & updates existing settings
+- No duplicate settings created
+- `lastSyncedAt` updated correctly
+
+**Exit Criteria**: Full sync for test tenant completes successfully, data visible in DB
+
+---
+
+### Phase 6: Frontend Integration (T044-T051)
+
+**Goal**: Replace n8n webhook with BullMQ job creation
+
+**Tasks**:
+1. Modify `lib/actions/policySettings.ts` → `triggerPolicySync()`
+2. Remove n8n webhook call (`fetch(env.N8N_SYNC_WEBHOOK_URL)`)
+3. Replace with BullMQ job creation (`syncQueue.add(...)`)
+4. Return job ID to frontend
+5. Test: Click "Sync Now", verify job created & processed
+
+**Deliverables**:
+- "Sync Now" button triggers BullMQ job
+- User sees immediate feedback (no blocking)
+- Worker processes job in background
+
+**Exit Criteria**: End-to-end sync works from UI → Queue → Worker → DB
+
+---
+
+### Phase 7: Legacy Cleanup (T052-T056)
+
+**Goal**: Remove all n8n-related code and configuration
+
+**Tasks**:
+1. Delete `app/api/policy-settings/route.ts` (n8n ingestion API)
+2. Delete `app/api/admin/tenants/route.ts` (n8n polling API)
+3. Remove `POLICY_API_SECRET` from `.env` and `lib/env.mjs`
+4. Remove `N8N_SYNC_WEBHOOK_URL` from `.env` and `lib/env.mjs`
+5. Grep search for remaining references (should be 0)
+6. Update documentation (remove n8n setup instructions)
+
+**Deliverables**:
+- No n8n-related files in codebase
+- No n8n-related env vars
+- Clean grep search results
+
+**Exit Criteria**: `grep -r "POLICY_API_SECRET\|N8N_SYNC_WEBHOOK_URL" .` returns 0 results (excluding specs/)
+
+---
+
+### Phase 8: Testing & Validation (T057-T061)
+
+**Goal**: Comprehensive testing of new architecture
+
+**Tasks**:
+1. Unit tests for flattening logic
+2. Integration tests for worker jobs
+3. End-to-end test: UI → Queue → Worker → DB
+4. Load test: 100+ policies sync
+5. Error handling test: Graph API failures, Redis unavailable
+6. Memory leak test: Worker runs 1+ hour with 10+ jobs
+
+**Deliverables**:
+- Test suite with >80% coverage for worker code
+- All edge cases verified
+- Performance benchmarks met (SC-001 to SC-008)
+
+**Exit Criteria**: All tests pass, no regressions in existing features
+
+---
+
+### Phase 9: Deployment (T062-T066)
+
+**Goal**: Deploy worker process to production
+
+**Tasks**:
+1. Ensure `REDIS_URL` is set in production (provided by Dokploy) — no Docker Compose Redis required
+2. Configure worker as background service (PM2, Systemd, or Docker)
+3. Set `REDIS_URL` in production environment
+4. Monitor worker logs for first production sync
+5. Verify sync completes successfully
+6. Document worker deployment process
+
+**Deliverables**:
+- Worker running as persistent service
+- Redis accessible from worker
+- Production sync successful
+
+**Exit Criteria**: Production sync works end-to-end, no errors in logs
+
+---
+
+## Key Technical Decisions
+
+### 1. BullMQ vs. Other Queue Libraries
+
+**Decision**: Use BullMQ
+
+**Rationale**:
+- Modern, actively maintained (vs. Kue, Bull)
+- TypeScript-first design
+- Built-in retry, rate limiting, priority queues
+- Excellent documentation
+- Redis-based (simpler than RabbitMQ/Kafka)
+
+**Alternatives Considered**:
+- **Bee-Queue**: Lighter but less features
+- **Agenda**: MongoDB-based (adds extra dependency)
+- **AWS SQS**: Vendor lock-in, requires AWS setup
+
+---
+
+### 2. Worker Process Architecture
+
+**Decision**: Single worker process, sequential job processing (concurrency: 1)
+
+**Rationale**:
+- Simpler implementation (no race conditions)
+- Microsoft Graph rate limits per tenant
+- Database upsert logic easier without concurrency
+- Can scale later if needed (multiple workers)
+
+**Alternatives Considered**:
+- **Parallel Processing**: Higher complexity, potential conflicts
+- **Lambda/Serverless**: Cold starts, harder debugging
+
+---
+
+### 3. Token Acquisition Strategy
+
+**Decision**: Use `@azure/identity` ClientSecretCredential
+
+**Rationale**:
+- Official Microsoft library
+- Handles token refresh automatically
+- TypeScript support
+- Simpler than manual OAuth flow
+
+**Alternatives Considered**:
+- **Manual fetch()**: More code, error-prone
+- **MSAL Node**: Overkill for server-side client credentials
+
+---
+
+### 4. Flattening Algorithm
+
+**Decision**: Port n8n logic 1:1 initially, refactor later
+
+**Rationale**:
+- Minimize risk (proven logic)
+- Faster migration (no re-design needed)
+- Can optimize in Phase 2 after validation
+
+**Alternatives Considered**:
+- **Re-design from scratch**: Higher risk, longer timeline
+
+---
+
+### 5. Database Schema Changes
+
+**Decision**: No schema changes needed
+
+**Rationale**:
+- Existing `policy_settings` table has required fields
+- UNIQUE constraint already supports upsert logic
+- `lastSyncedAt` field exists for tracking
+
+**Alternatives Considered**:
+- **Add job tracking table**: Overkill for MVP (BullMQ handles this)
+
+---
+
+## Data Flow Diagrams
+
+### Current Flow (n8n)
+
+```mermaid
+sequenceDiagram
+    participant User
+    participant UI as Next.js UI
+    participant SA as Server Action
+    participant n8n as n8n Webhook
+    participant API as Ingestion API
+    participant DB as PostgreSQL
+
+    User->>UI: Click "Sync Now"
+    UI->>SA: triggerPolicySync(tenantId)
+    SA->>n8n: POST /webhook
+    n8n->>n8n: Fetch Graph API
+    n8n->>n8n: Transform Data
+    n8n->>API: POST /api/policy-settings
+    API->>API: Validate API Secret
+    API->>DB: Insert/Update
+    DB-->>API: Success
+    API-->>n8n: 200 OK
+    n8n-->>SA: 200 OK
+    SA-->>UI: Success
+    UI-->>User: Toast "Sync started"
+```
+
+### Target Flow (BullMQ)
+
+```mermaid
+sequenceDiagram
+    participant User
+    participant UI as Next.js UI
+    participant SA as Server Action
+    participant Queue as Redis Queue
+    participant Worker as Worker Process
+    participant Graph as MS Graph API
+    participant DB as PostgreSQL
+
+    User->>UI: Click "Sync Now"
+    UI->>SA: triggerPolicySync(tenantId)
+    SA->>Queue: Add job "sync-tenant"
+    Queue-->>SA: Job ID
+    SA-->>UI: Success (immediate)
+    UI-->>User: Toast "Sync started"
+    
+    Note over Worker: Background Processing
+    Worker->>Queue: Pick job
+    Worker->>Graph: Fetch policies
+    Graph-->>Worker: Policy data
+    Worker->>Worker: Transform data
+    Worker->>DB: Upsert settings
+    DB-->>Worker: Success
+    Worker->>Queue: Mark job complete
+```
+
+---
+
+## Environment Variables
+
+### Changes Required
+
+**Add**:
+```bash
+REDIS_URL=redis://localhost:6379
+```
+
+**Remove**:
+```bash
+# Delete these lines:
+POLICY_API_SECRET=...
+N8N_SYNC_WEBHOOK_URL=...
+```
+
+### Updated `lib/env.mjs`
+
+```typescript
+export const env = createEnv({
+  server: {
+    DATABASE_URL: z.string().url(),
+    NEXTAUTH_SECRET: z.string().min(1),
+    NEXTAUTH_URL: z.string().url(),
+    AZURE_AD_CLIENT_ID: z.string().min(1),
+    AZURE_AD_CLIENT_SECRET: z.string().min(1),
+    REDIS_URL: z.string().url(), // ADD THIS
+    RESEND_API_KEY: z.string().optional(),
+    STRIPE_SECRET_KEY: z.string().optional(),
+    // ... other Stripe vars
+    // REMOVE: POLICY_API_SECRET
+    // REMOVE: N8N_SYNC_WEBHOOK_URL
+  },
+  client: {},
+  runtimeEnv: {
+    DATABASE_URL: process.env.DATABASE_URL,
+    NEXTAUTH_SECRET: process.env.NEXTAUTH_SECRET,
+    NEXTAUTH_URL: process.env.NEXTAUTH_URL,
+    AZURE_AD_CLIENT_ID: process.env.AZURE_AD_CLIENT_ID,
+    AZURE_AD_CLIENT_SECRET: process.env.AZURE_AD_CLIENT_SECRET,
+    REDIS_URL: process.env.REDIS_URL, // ADD THIS
+    RESEND_API_KEY: process.env.RESEND_API_KEY,
+    STRIPE_SECRET_KEY: process.env.STRIPE_SECRET_KEY,
+    // ... other vars
+  },
+});
+```
+
+---
+
+## Testing Strategy
+
+### Unit Tests
+
+**Target Coverage**: 80%+ for worker code
+
+**Files to Test**:
+- `worker/utils/humanizer.ts` - Setting ID transformation
+- `worker/jobs/policyParser.ts` - Flattening logic
+- `worker/utils/retry.ts` - Backoff algorithm
+
+**Example**:
+```typescript
+describe('humanizeSettingId', () => {
+  it('removes vendor prefix', () => {
+    expect(humanizeSettingId('device_vendor_msft_policy_config_wifi'))
+      .toBe('Wifi');
+  });
+});
+```
+
+---
+
+### Integration Tests
+
+**Target**: Full worker job processing
+
+**Scenario**:
+1. Mock Microsoft Graph API responses
+2. Add job to queue
+3. Verify worker processes job
+4. Check database for inserted settings
+
+**Example**:
+```typescript
+describe('syncPolicies', () => {
+  it('fetches and stores policies', async () => {
+    await syncPolicies('test-tenant-123');
+    const settings = await db.query.policySettings.findMany({
+      where: eq(policySettings.tenantId, 'test-tenant-123'),
+    });
+    expect(settings.length).toBeGreaterThan(0);
+  });
+});
+```
+
+---
+
+### End-to-End Test
+
+**Scenario**:
+1. Start Redis + Worker
+2. Login to UI
+3. Navigate to `/search`
+4. Click "Sync Now"
+5. Verify:
+   - Job created in Redis
+   - Worker picks up job
+   - Database updated
+   - UI shows success message
+
+---
+
+## Rollback Plan
+
+**If migration fails in production**:
+
+1. **Immediate**: Revert to previous Docker image (with n8n integration)
+2. **Restore env vars**: Re-add `POLICY_API_SECRET` and `N8N_SYNC_WEBHOOK_URL`
+3. **Verify**: n8n webhook accessible, sync works
+4. **Post-mortem**: Document failure reason, plan fixes
+
+**Data Safety**: No data loss risk (upsert logic preserves existing data)
+
+---
+
+## Performance Targets
+
+Based on Success Criteria (SC-001 to SC-008):
+
+| Metric | Target | Measurement |
+|--------|--------|-------------|
+| Job Creation | <200ms | Server Action response time |
+| Sync Duration (50 policies) | <30s | Worker job duration |
+| Setting Extraction | >95% | Manual validation with sample data |
+| Worker Stability | 1+ hour, 10+ jobs | Memory profiling |
+| Pagination | 100% | Test with 100+ policies tenant |
+
+---
+
+## Dependencies
+
+### npm Packages
+
+```json
+{
+  "dependencies": {
+    "bullmq": "^5.0.0",
+    "ioredis": "^5.3.0",
+    "@azure/identity": "^4.0.0"
+  },
+  "devDependencies": {
+    "tsx": "^4.0.0"
+  }
+}
+```
+
+### Infrastructure
+
+- **Redis**: 7.x (via Docker or external service)
+- **Node.js**: 20+ (for worker process)
+
+---
+
+## Monitoring & Observability
+
+### Worker Logs
+
+**Format**: Structured JSON logs
+
+**Key Events**:
+- Job started: `{ event: "job_start", jobId, tenantId, timestamp }`
+- Job completed: `{ event: "job_complete", jobId, duration, settingsCount }`
+- Job failed: `{ event: "job_failed", jobId, error, stack }`
+
+**Storage**: Write to file or stdout (captured by Docker/PM2)
+
+---
+
+### Health Check Endpoint
+
+**Path**: `/api/worker-health`
+
+**Response**:
+```json
+{
+  "status": "healthy",
+  "queue": {
+    "waiting": 2,
+    "active": 1,
+    "completed": 45,
+    "failed": 3
+  }
+}
+```
+
+**Use Case**: Monitoring dashboard, uptime checks
+
+---
+
+## Documentation Updates
+
+**Files to Update**:
+1. `README.md` - Add worker deployment instructions
+2. `DEPLOYMENT.md` - Document Redis setup, worker config
+3. `specs/002-manual-policy-sync/` - Mark as superseded by 005
+
+**New Documentation**:
+1. `docs/worker-deployment.md` - Step-by-step worker setup
+2. `docs/troubleshooting.md` - Common worker issues & fixes
+
+---
+
+## Open Questions & Risks
+
+### Q1: Redis Hosting Strategy
+
+**Question**: Self-hosted Redis or managed service (e.g., Upstash, Redis Cloud)?
+
+**Options**:
+- Docker Compose (simple, dev-friendly)
+- Upstash (serverless, paid but simple)
+- Self-hosted on VPS (more control, more ops)
+
+**Recommendation**: Start with Docker Compose, migrate to managed service if scaling needed
+
+---
+
+### Q2: Worker Deployment Method
+
+**Question**: How to deploy worker in production?
+
+**Options**:
+- PM2 (Node process manager)
+- Systemd (Linux service)
+- Docker container (consistent with app)
+
+**Recommendation**: Docker container (matches Next.js deployment strategy)
+
+---
+
+### Q3: Job Failure Notifications
+
+**Question**: How to notify admins when sync jobs fail?
+
+**Options**:
+- Email via Resend (already integrated)
+- In-app notification system (Phase 2)
+- External monitoring (e.g., Sentry)
+
+**Recommendation**: Start with logs only, add notifications in Phase 2
+
+---
+
+## Success Metrics
+
+| Metric | Target | Status |
+|--------|--------|--------|
+| n8n dependency removed | Yes | 🔜 |
+| All tests passing | 100% | 🔜 |
+| Production sync successful | Yes | 🔜 |
+| Worker uptime | >99% | 🔜 |
+| Zero data loss | Yes | 🔜 |
+
+---
+
+## Timeline Estimate
+
+| Phase | Duration | Dependencies |
+|-------|----------|--------------|
+| 0. Pre-Implementation | 1h | None |
+| 1. Queue Infrastructure | 2h | Phase 0 |
+| 2. Graph Integration | 4h | Phase 1 |
+| 3. Data Transformation | 6h | Phase 2 |
+| 4. Database Persistence | 3h | Phase 3 |
+| 5. Frontend Integration | 2h | Phase 4 |
+| 6. Legacy Cleanup | 2h | Phase 5 |
+| 7. Testing & Validation | 4h | Phases 1-6 |
+| 8. Deployment | 3h | Phase 7 |
+| **Total** | **~27h** | **~3-4 days** |
+
+---
+
+## Next Steps
+
+1. ✅ Generate `tasks.md` with detailed task breakdown
+2. 🔜 Start Phase 0: Install Redis, update env vars
+3. 🔜 Implement Phase 1: Queue infrastructure
+4. 🔜 Continue through Phase 8: Deployment
+
+---
+
+**Plan Status**: ✅ Ready for Task Generation  
+**Approved by**: Technical Lead (pending)  
+**Last Updated**: 2025-12-09

specs/005-backend-arch-pivot/spec.md

@@ -0,0 +1,236 @@
+# Feature Specification: Backend Architecture Pivot
+
+**Feature Branch**: `005-backend-arch-pivot`  
+**Created**: 2025-12-09  
+**Status**: Draft  
+**Input**: "Backend Architecture Pivot (n8n Removal & BullMQ Implementation) - Remove n8n legacy code, implement BullMQ job queue with Redis, port sync logic to TypeScript worker"
+
+## Overview
+
+Migration von einer Low-Code-Backend-Architektur (n8n) zu einem Code-First-Backend mit BullMQ Job Queue und TypeScript Worker. Die komplexe Microsoft Graph Synchronisations-Logik wird direkt in TypeScript implementiert, um Wartbarkeit, Testbarkeit und AI-gestütztes Refactoring zu maximieren.
+
+## User Scenarios & Testing *(mandatory)*
+
+### User Story 1 - Manual Policy Sync via Queue (Priority: P1)
+
+Als Intune-Admin möchte ich auf "Sync Now" klicken und erwarten, dass die Synchronisation asynchron in einem Worker-Prozess ausgeführt wird, damit die UI nicht blockiert und ich sofort weiterarbeiten kann.
+
+**Why this priority**: Core-Funktionalität - ohne funktionierenden Sync ist das gesamte Feature unbrauchbar. Queue-basierte Architektur ist Grundlage für spätere Scheduled Syncs.
+
+**Independent Test**: Click "Sync Now", check Redis for job, observe worker logs, verify database updates.
+
+**Acceptance Scenarios**:
+
+1. **Given** der Admin ist auf `/search` eingeloggt, **When** er auf "Sync Now" klickt, **Then** wird ein Job in die Redis Queue eingestellt (keine Wartezeit für den User).
+2. **Given** ein Sync-Job wurde erstellt, **When** der Worker-Prozess läuft, **Then** nimmt er den Job aus der Queue und beginnt die Synchronisation.
+3. **Given** der Worker führt einen Sync aus, **When** die Synchronisation erfolgreich abgeschlossen ist, **Then** werden alle Policy Settings in der Datenbank aktualisiert (Insert oder Update via `onConflictDoUpdate`).
+4. **Given** der Worker synchronisiert Policies, **When** ein Fehler auftritt (z.B. Graph API Timeout), **Then** wird der Job in einen "failed" State versetzt und der Fehler wird geloggt (kein Silent Fail).
+5. **Given** der Admin hat mehrere Sync-Jobs gestartet, **When** der Worker mehrere Jobs in der Queue findet, **Then** werden sie sequenziell abgearbeitet (keine parallelen Syncs pro Tenant).
+
+---
+
+### User Story 2 - Microsoft Graph Data Fetching (Priority: P1)
+
+Als System möchte ich alle relevanten Policy-Typen von Microsoft Graph API abrufen können (Device Configurations, Compliance Policies, Configuration Policies, Intents), damit alle Intune-Settings analysierbar sind.
+
+**Why this priority**: Datenbeschaffung ist essentiell - ohne vollständigen Fetch fehlen Policies in der Analyse.
+
+**Independent Test**: Run worker with test tenant, verify all policy types are fetched, check pagination handling.
+
+**Acceptance Scenarios**:
+
+1. **Given** der Worker startet einen Sync, **When** er ein Access Token anfordert, **Then** nutzt er den Azure AD Client Credentials Flow mit `AZURE_AD_CLIENT_ID` und `AZURE_AD_CLIENT_SECRET`.
+2. **Given** der Worker hat ein gültiges Token, **When** er Policies abruft, **Then** fetcht er alle relevanten Endpoints:
+   - `/deviceManagement/deviceConfigurations`
+   - `/deviceManagement/deviceCompliancePolicies`
+   - `/deviceManagement/configurationPolicies`
+   - `/deviceManagement/intents`
+3. **Given** eine Graph API Response hat `@odata.nextLink`, **When** der Worker die Response verarbeitet, **Then** folgt er dem Link und lädt alle Seiten bis keine `nextLink` mehr vorhanden ist.
+4. **Given** ein Policy Object wird von Graph zurückgegeben, **When** der Worker es parst, **Then** extrahiert er `id`, `displayName`, `@odata.type`, `lastModifiedDateTime` und Policy-spezifische Settings.
+5. **Given** der Graph API Call schlägt fehl (401, 429, 500), **When** der Fehler auftritt, **Then** wird ein Retry mit Exponential Backoff durchgeführt (max 3 Versuche).
+
+---
+
+### User Story 3 - Deep Flattening & Data Transformation (Priority: P1)
+
+Als System möchte ich komplexe verschachtelte Policy-Objekte in flache Key-Value-Paare transformieren können, damit sie in der `policy_settings` Tabelle gespeichert und durchsucht werden können.
+
+**Why this priority**: Core Transformation Logic - ohne Flattening können verschachtelte Settings nicht analysiert werden.
+
+**Independent Test**: Run parser with sample Graph responses, verify flattened output matches expected structure.
+
+**Acceptance Scenarios**:
+
+1. **Given** der Worker hat Policy-Daten von Graph erhalten, **When** er ein Settings Catalog Policy verarbeitet (`#microsoft.graph.deviceManagementConfigurationPolicy`), **Then** iteriert er über `settings[]` und extrahiert `settingDefinitionId` und `value`.
+2. **Given** ein Policy enthält verschachtelte Objekte (z.B. `value.simple.value` oder `value.children[]`), **When** der Flattening-Algorithmus läuft, **Then** wird jede verschachtelte Ebene mit Dot-Notation als Key dargestellt (z.B. `wifi.ssid.value`).
+3. **Given** der Worker verarbeitet ein OMA-URI Policy, **When** er `omaSettings[]` findet, **Then** extrahiert er `omaUri` als Setting Name und `value` als Setting Value.
+4. **Given** ein Setting Key enthält technische Bezeichner (z.B. `device_vendor_msft_policy_config_wifi_allowwifihotspotreporting`), **When** der Humanizer läuft, **Then** werden Keys in lesbare Form umgewandelt (z.B. `Allow WiFi Hotspot Reporting`).
+5. **Given** ein Policy hat keine Settings (leeres Array), **When** der Worker es verarbeitet, **Then** wird trotzdem ein Eintrag erstellt mit `settingName: "(No settings configured)"` (damit Policy in UI sichtbar ist).
+
+---
+
+### User Story 4 - Legacy Code Removal (Priority: P1)
+
+Als Entwickler möchte ich alle n8n-spezifischen Artefakte entfernen können, damit der Code sauber und wartbar bleibt.
+
+**Why this priority**: Technical Debt Reduction - alte Bridge-APIs verursachen Confusion und Maintenance-Overhead.
+
+**Independent Test**: Search codebase for n8n references, verify all removed, check env validation.
+
+**Acceptance Scenarios**:
+
+1. **Given** der Code wird überprüft, **When** nach `POLICY_API_SECRET` gesucht wird, **Then** existieren keine Referenzen mehr (weder in `.env`, noch in `lib/env.mjs`, noch in Code).
+2. **Given** der Code wird überprüft, **When** nach `N8N_SYNC_WEBHOOK_URL` gesucht wird, **Then** existieren keine Referenzen mehr.
+3. **Given** das Routing wird analysiert, **When** nach `/api/policy-settings/route.ts` gesucht wird, **Then** existiert die Datei nicht mehr (gelöscht).
+4. **Given** das Routing wird analysiert, **When** nach `/api/admin/tenants/route.ts` gesucht wird, **Then** existiert die Datei nicht mehr (gelöscht).
+5. **Given** ein Entwickler startet die App, **When** die Umgebungsvariablen validiert werden, **Then** werden `POLICY_API_SECRET` und `N8N_SYNC_WEBHOOK_URL` nicht mehr als erforderlich markiert.
+
+---
+
+### Edge Cases
+
+- Was passiert wenn Redis nicht erreichbar ist beim Job-Erstellen? → Fehler werfen mit User-Feedback "Sync service unavailable".
+- Was passiert wenn der Worker abstürzt während eines Jobs? → BullMQ Recovery: Job bleibt in "active" state und wird nach Timeout in "failed" verschoben.
+- Wie gehen wir mit Rate Limiting von Microsoft Graph um? → Exponential Backoff + Retry (max 3x), dann Job als "failed" markieren mit Retry-Option.
+- Was passiert bei parallelen Sync-Requests für denselben Tenant? → Queue stellt sicher, dass Jobs sequenziell abgearbeitet werden (kein Concurrency Issue).
+- Wie werden transiente Netzwerkfehler behandelt? → Retry-Logik mit Backoff, nur permanente Fehler (401, 403) führen zu sofortigem Fail.
+- Was passiert mit bestehenden Policy Settings während eines Syncs? → `onConflictDoUpdate` updated bestehende Einträge basierend auf `(tenantId, graphPolicyId, settingName)` Constraint.
+
+## Requirements *(mandatory)*
+
+### Functional Requirements
+
+#### Infrastructure & Queue
+
+- **FR-001**: System MUSS BullMQ als Job Queue Library verwenden mit Redis als Backend.
+- **FR-002**: System MUSS eine wiederverwendbare Redis Connection in `lib/queue/redis.ts` bereitstellen.
+- **FR-003**: System MUSS einen Worker-Prozess in `worker/index.ts` implementieren, der auf der Queue `intune-sync-queue` lauscht.
+- **FR-004**: System MUSS Worker-Prozess als separates npm Script bereitstellen (`worker:start`).
+- **FR-005**: System MUSS `REDIS_URL` als Environment Variable validieren.
+
+#### Authentication & Graph API
+
+- **FR-006**: System MUSS Access Tokens via Azure AD Client Credentials Flow holen (`@azure/identity` oder `fetch`).
+- **FR-007**: System MUSS folgende Graph API Endpoints fetchen:
+  - `/deviceManagement/deviceConfigurations`
+  - `/deviceManagement/deviceCompliancePolicies`
+  - `/deviceManagement/configurationPolicies`
+  - `/deviceManagement/intents`
+- **FR-008**: System MUSS Pagination via `@odata.nextLink` vollständig abarbeiten (alle Seiten laden).
+- **FR-009**: System MUSS Graph API Fehler (401, 429, 500+) mit Exponential Backoff Retry behandeln (max 3 Versuche).
+
+#### Data Processing & Transformation
+
+- **FR-010**: System MUSS Settings Catalog Policies parsen (`settings[]` Array → flache Key-Value Paare).
+- **FR-011**: System MUSS OMA-URI Policies parsen (`omaSettings[]` → `omaUri` als Key, `value` als Value).
+- **FR-012**: System MUSS Deep Flattening für verschachtelte Objekte implementieren (Dot-Notation für Pfade).
+- **FR-013**: System MUSS technische Setting Keys humanisieren (z.B. `device_vendor_msft_policy_config_wifi` → `WiFi`).
+- **FR-014**: System MUSS Policy Typ Detection implementieren (Settings Catalog, OMA-URI, Compliance, etc.).
+- **FR-015**: System MUSS leere Policies mit Placeholder-Setting speichern (`settingName: "(No settings configured)"`).
+
+#### Database Persistence
+
+- **FR-016**: System MUSS Drizzle ORM für alle DB-Operationen verwenden.
+- **FR-017**: System MUSS `onConflictDoUpdate` für Upsert-Logik nutzen (Constraint: `tenantId + graphPolicyId + settingName`).
+- **FR-018**: System MUSS folgende Felder pro Setting speichern:
+  - `tenantId`, `graphPolicyId`, `policyName`, `policyType`, `settingName`, `settingValue`, `settingValueType`, `lastSyncedAt`
+- **FR-019**: System MUSS `lastSyncedAt` Timestamp bei jedem Sync aktualisieren.
+
+#### Frontend Integration
+
+- **FR-020**: System MUSS Server Action `triggerPolicySync` in `lib/actions/policySettings.ts` anpassen (n8n Webhook → BullMQ Job).
+- **FR-021**: System MUSS Job-ID an Frontend zurückgeben für späteres Status-Tracking (optional für MVP, siehe FR-022).
+- **FR-022**: System KANN (optional) Job-Status-Polling-Endpoint bereitstellen (`/api/sync-status/[jobId]`).
+
+#### Legacy Cleanup
+
+- **FR-023**: System MUSS File `app/api/policy-settings/route.ts` löschen (n8n Ingestion API).
+- **FR-024**: System MUSS File `app/api/admin/tenants/route.ts` löschen (n8n Polling API).
+- **FR-025**: System MUSS `POLICY_API_SECRET` aus `.env`, `lib/env.mjs` und allen Code-Referenzen entfernen.
+- **FR-026**: System MUSS `N8N_SYNC_WEBHOOK_URL` aus `.env`, `lib/env.mjs` und allen Code-Referenzen entfernen.
+
+### Key Entities
+
+Neue Strukturen (keine DB-Schema-Änderungen):
+
+- **SyncJobPayload**: BullMQ Job Data
+  - `tenantId`: string
+  - `userId`: string (optional, für Audit)
+  - `triggeredAt`: Date
+
+- **GraphPolicyResponse**: TypeScript Interface für Graph API Response
+  - `id`: string
+  - `displayName`: string
+  - `@odata.type`: string
+  - `lastModifiedDateTime`: string
+  - `settings?`: array (Settings Catalog)
+  - `omaSettings?`: array (OMA-URI)
+  - (weitere Policy-spezifische Felder)
+
+- **FlattenedSetting**: Internes Transform-Result
+  - `settingName`: string
+  - `settingValue`: string
+  - `settingValueType`: string
+  - `path`: string (Dot-Notation Pfad im Original-Objekt)
+
+## Success Criteria *(mandatory)*
+
+### Measurable Outcomes
+
+- **SC-001**: User erhält sofortige Bestätigung nach Click auf "Sync Now" (<200ms Response Zeit, kein Warten auf Sync-Completion).
+- **SC-002**: Sync für einen Tenant mit 50 Policies ist innerhalb von 30 Sekunden abgeschlossen.
+- **SC-003**: System lädt alle verfügbaren Policies vollständig (auch bei >100 Policies mit mehreren Datenseiten).
+- **SC-004**: Mindestens 95% aller Policy Settings werden korrekt extrahiert und gespeichert (validiert mit repräsentativen Sample-Daten).
+- **SC-005**: Bei temporären Fehlern (z.B. Service-Überlastung) erfolgt automatische Wiederholung (keine manuellen Eingriffe nötig).
+- **SC-006**: Alte Bridge-Komponenten sind vollständig entfernt (keine toten Code-Pfade oder ungenutzten APIs).
+- **SC-007**: Sync-Prozess läuft stabil über längere Zeiträume (1+ Stunde mit 10+ Sync-Operationen ohne Abstürze).
+- **SC-008**: Re-Sync aktualisiert bestehende Daten korrekt ohne Duplikate oder Datenverluste.
+
+## Assumptions
+
+- System nutzt asynchrone Job-Verarbeitung mit Queue-basierter Architektur für Skalierbarkeit.
+- TenantPilot hat bereits Azure AD Multi-Tenant Authentication konfiguriert (Client Credentials verfügbar).
+- Die bestehende `policy_settings` Datenbank-Tabelle hat bereits einen UNIQUE Constraint auf `(tenantId, graphPolicyId, settingName)`.
+- Die Flattening-Logik aus der bisherigen n8n-Implementation ist dokumentiert oder nachvollziehbar.
+- Sync-Prozess wird in Production als persistenter Background-Service betrieben (nicht nur bei Bedarf gestartet).
+- Redis oder vergleichbarer In-Memory Store ist verfügbar für Job Queue Management.
+
+## Nicht-Ziele (Out of Scope)
+
+- Kein automatischer Scheduled Sync (zeitbasierte Trigger) in diesem Feature - bleibt manuelle Auslösung.
+- Keine Web-UI für Job-Management oder Queue-Monitoring.
+- Keine Live-Progress-Updates im Frontend während Sync läuft (kein Echtzeit-Status).
+- Keine parallele Verarbeitung mehrerer Tenants gleichzeitig (sequenzielle Abarbeitung).
+- Keine erweiterten Retry-Strategien oder Dead Letter Queues in MVP.
+- Kein Policy Change Detection oder Diff-Berechnung (nur vollständiger Sync + Update bestehender Daten).
+
+## Technical Notes
+
+**Note**: Detaillierte Implementierungs-Details (Code-Beispiele, API-Calls, Architektur-Patterns) werden in einem separaten Technical Design Document oder im Planning-Phase dokumentiert. Diese Spec fokussiert sich auf das **WAS** und **WARUM**, nicht auf das **WIE**.
+
+### High-Level Architecture Overview
+
+**Queue-Based Sync Architecture**:
+- Asynchrone Job-Verarbeitung für nicht-blockierende User Experience
+- Worker-Prozess als separater Service für Sync-Operationen
+- Persistente Job-Queue für Reliability und Retry-Fähigkeit
+
+**Data Flow**:
+1. User triggers sync → Job wird in Queue eingestellt
+2. Worker nimmt Job aus Queue → Authentifiziert sich bei Microsoft
+3. Worker fetcht Policy-Daten → Transformiert & flacht verschachtelte Strukturen ab
+4. Worker speichert Daten → Upsert in Datenbank mit Conflict Resolution
+
+**Migration Strategy**:
+- Phase 1: Neue Infrastruktur aufbauen (Queue, Worker)
+- Phase 2: Sync-Logik portieren (Auth, Fetch, Transform, Persist)
+- Phase 3: Frontend auf neue Architektur umstellen
+- Phase 4: Alte n8n-Komponenten entfernen
+- Phase 5: End-to-End Validierung mit Production-Daten
+
+## Dependencies
+
+- Job Queue System (z.B. BullMQ, Bee-Queue, oder vergleichbar)
+- In-Memory Data Store (z.B. Redis, KeyDB, oder vergleichbar) 
+- Microsoft Graph API Client Library (z.B. @azure/identity oder vergleichbar)
+- TypeScript Runtime für Worker-Prozess (z.B. tsx, ts-node, oder vergleichbar)

specs/005-backend-arch-pivot/tasks.md

@@ -0,0 +1,579 @@
+# Tasks: Backend Architecture Pivot
+
+**Feature**: 005-backend-arch-pivot
+**Generated**: 2025-12-09
+**Total Tasks**: 66 (T001-T066)
+**Spec**: [spec.md](./spec.md) | **Plan**: [plan.md](./plan.md)
+
+## Phase 1: Setup (no story label)
+
+- [ ] T001 Confirm Dokploy-provided `REDIS_URL` and record connection string in `specs/005-backend-arch-pivot/notes.md`
+- [ ] T002 Add `REDIS_URL` to local `.env.example` and project `.env` (if used) (`.env.example`)
+- [ ] T003 Update `lib/env.mjs` to validate `REDIS_URL` (`lib/env.mjs`)
+- [ ] T004 [P] Add npm dependencies: `bullmq`, `ioredis`, `@azure/identity` and dev `tsx` (`package.json`)
+- [ ] T005 [P] Add npm script `worker:start` to `package.json` to run `tsx ./worker/index.ts` (`package.json`)
+ - [X] T006 [P] Create `lib/queue/redis.ts` - Redis connection wrapper reading `process.env.REDIS_URL` (`lib/queue/redis.ts`)
+ - [X] T007 [P] Create `lib/queue/syncQueue.ts` - Export BullMQ `Queue('intune-sync-queue')` (`lib/queue/syncQueue.ts`)
+ - [X] T008 Test connectivity: add a dummy job from a Node REPL/script and verify connection to provided Redis (`scripts/test-queue-connection.js`)
+
+## Phase 2: Worker Skeleton (no story label)
+
+- [ ] T009 Create `worker/index.ts` - minimal BullMQ `Worker` entry point (concurrency:1) (`worker/index.ts`)
+- [ ] T010 Create `worker/logging.ts` - structured JSON logger used by worker (`worker/logging.ts`)
+- [ ] T011 Create `worker/events.ts` - job lifecycle event handlers (completed/failed) (`worker/events.ts`)
+- [ ] T012 [P] Add `npm run worker:start` integration to `README.md` with run instructions (`README.md`)
+- [ ] T013 Create `worker/health.ts` - minimal health check handlers (used in docs) (`worker/health.ts`)
+- [ ] T014 Smoke test: start `npm run worker:start` and verify worker connects and logs idle state (no file)
+
+## Phase 3: US1 — Manual Policy Sync via Queue [US1]
+
+- [ ] T015 [US1] Update `lib/actions/policySettings.ts` → implement `triggerPolicySync()` to call `syncQueue.add(...)` and return `jobId` (`lib/actions/policySettings.ts`)
+- [ ] T016 [US1] Create server action wrapper if needed `app/actions/triggerPolicySync.ts` (`app/actions/triggerPolicySync.ts`)
+- [ ] T017 [US1] Update `/app/search/SyncButton.tsx` to call server action and show queued toast with `jobId` (`components/search/SyncButton.tsx`)
+- [ ] T018 [US1] Add API route `/api/policy-sync/status` (optional) to report job status using BullMQ `Job` API (`app/api/policy-sync/status/route.ts`)
+- [ ] T019 [US1] Add simple job payload typing `types/syncJob.ts` (`types/syncJob.ts`)
+- [ ] T020 [US1] Add unit test for `triggerPolicySync()` mocking `syncQueue.add` (`tests/unit/triggerPolicySync.test.ts`)
+- [ ] T021 [US1] End-to-end test: UI → triggerPolicySync → job queued (integration test) (`tests/e2e/sync-button.test.ts`)
+- [ ] T022 [US1] OPTIONAL [P] Document MVP scope for job status endpoint (FR-022) in `specs/005-backend-arch-pivot/notes.md` (`specs/005-backend-arch-pivot/notes.md`)
+
+## Phase 4: US2 — Microsoft Graph Data Fetching [US2]
+
+- [ ] T023 [US2] Create `worker/jobs/graphAuth.ts` - `getGraphAccessToken()` using `@azure/identity` (`worker/jobs/graphAuth.ts`)
+- [ ] T024 [US2] Create `worker/jobs/graphFetch.ts` - `fetchFromGraph(endpoint)` with pagination following `@odata.nextLink` (`worker/jobs/graphFetch.ts`)
+- [ ] T025 [US2] Implement `worker/utils/retry.ts` - exponential backoff retry helper (`worker/utils/retry.ts`)
+- [ ] T026 [US2] Create integration tests mocking Graph endpoints for paginated responses (`tests/integration/graphFetch.test.ts`)
+- [ ] T027 [US2] Implement rate limit handling and transient error classification in `graphFetch.ts` (`worker/jobs/graphFetch.ts`)
+- [ ] T028 [US2] Add logging for Graph fetch metrics (requests, pages, duration) (`worker/logging.ts`)
+- [ ] T029 [US2] Test: run `syncPolicies` job locally against mocked Graph responses (`tests/e2e/sync-with-mock-graph.test.ts`)
+
+## Phase 5: US3 — Deep Flattening & Transformation [US3]
+
+- [ ] T030 [US3] Create `worker/jobs/policyParser.ts` - top-level router and `parsePolicySettings()` (`worker/jobs/policyParser.ts`)
+- [ ] T031 [US3] Implement Settings Catalog parser in `policyParser.ts` (`worker/jobs/policyParser.ts`)
+- [ ] T032 [US3] Implement OMA-URI parser in `policyParser.ts` (`worker/jobs/policyParser.ts`)
+- [ ] T033 [US3] Create `worker/utils/humanizer.ts` - `humanizeSettingId()` function (`worker/utils/humanizer.ts`)
+- [ ] T034 [US3] Create normalization function `worker/jobs/normalizer.ts` to produce `PolicyInsertData[]` (`worker/jobs/normalizer.ts`)
+- [ ] T035 [US3] Unit tests for parsers + humanizer with representative Graph samples (`tests/unit/policyParser.test.ts`)
+
+## Phase 6: US3 — Database Persistence (shared, assign to US3) [US3]
+
+- [ ] T036 [US3] Create `worker/jobs/dbUpsert.ts` - batch upsert function using Drizzle (`worker/jobs/dbUpsert.ts`)
+- [ ] T037 [US3] Implement transactional upsert logic and `ON CONFLICT DO UPDATE` behavior (`worker/jobs/dbUpsert.ts`)
+- [ ] T038 [US3] Add performance tuning: batch size config and bulk insert strategy (`worker/jobs/dbUpsert.ts`)
+- [ ] T039 [US3] Add tests for upsert correctness (duplicates / conflict resolution) (`tests/integration/dbUpsert.test.ts`)
+- [ ] T040 [US3] Add `lastSyncedAt` update on upsert (`worker/jobs/dbUpsert.ts`)
+- [ ] T041 [US3] Load test: upsert 500+ policies and measure duration (`scripts/load-tests/upsert-benchmark.js`)
+- [ ] T042 [US3] Instrument metrics for DB operations (timings, rows inserted/updated) (`worker/logging.ts`)
+- [ ] T043 [US3] Validate data integrity end-to-end (Graph → transform → DB) (`tests/e2e/full-sync.test.ts`)
+
+## Phase 7: US4 — Frontend Integration & Legacy Cleanup [US4]
+
+ [X] T044 [US4] Update `lib/actions/policySettings.ts` to remove n8n webhook calls and call `triggerPolicySync()` (`lib/actions/policySettings.ts`)
+ [X] T045 [US4] Update `app/api/policy-settings/route.ts` to be deleted or archive its behavior (`app/api/policy-settings/route.ts`)
+ [X] T046 [US4] Delete `app/api/admin/tenants/route.ts` (n8n polling) (`app/api/admin/tenants/route.ts`)
+ [X] T047 [US4] Remove `POLICY_API_SECRET` and `N8N_SYNC_WEBHOOK_URL` from `.env` and `lib/env.mjs` (`.env`, `lib/env.mjs`)
+ [X] T048 [US4] Grep-check: verify no remaining `n8n` references (repo-wide) (no file)
+- [ ] T049 [US4] Update docs: remove n8n setup instructions and add worker notes (`docs/worker-deployment.md`)
+- [ ] T050 [US4] Add migration note to `specs/002-manual-policy-sync/README.md` marking it superseded (`specs/002-manual-policy-sync/README.md`)
+- [ ] T051 [US4] End-to-end QA: trigger sync from UI and confirm policies saved after cleanup (`tests/e2e/post-cleanup-sync.test.ts`)
+
+## Phase 8: Testing & Validation (no story label)
+
+- [ ] T052 Add unit tests for `worker/utils/humanizer.ts` and `policyParser.ts` coverage (`tests/unit/*.test.ts`)
+- [ ] T053 Add integration tests for worker jobs processing (`tests/integration/worker.test.ts`)
+- [ ] T054 Run load tests for large tenant (1000+ policies) and record results (`scripts/load-tests/large-tenant.js`)
+- [ ] T055 Test worker stability (run 1+ hour with multiple jobs) and check memory usage (local script)
+- [ ] T056 Validate all Success Criteria (SC-001 to SC-008) and document results (`specs/005-backend-arch-pivot/validation.md`)
+
+## Phase 9: Deployment & Documentation (no story label)
+
+- [ ] T057 Create `docs/worker-deployment.md` with production steps (`docs/worker-deployment.md`)
+- [ ] T058 Add deployment config for worker (Dockerfile or PM2 config) (`deploy/worker/Dockerfile`)
+- [ ] T059 Ensure `REDIS_URL` is set in production Dokploy config and documented (`deploy/README.md`)
+- [ ] T060 Add monitoring & alerting for worker failures (Sentry / logs / email) (`deploy/monitoring.md`)
+- [ ] T061 Run canary production sync and verify (`scripts/canary-sync.js`)
+- [ ] T062 Final cleanup: remove unused n8n-related code paths and feature flags (`grep and code edits`)
+- [ ] T063 Update `README.md` and `DEPLOYMENT.md` with worker instructions (`README.md`, `DEPLOYMENT.md`)
+- [ ] T064 Tag release branch `005-backend-arch-pivot` and create PR template (`.github/`)
+- [ ] T065 Merge PR after review and monitor first production sync (`GitHub workflow`)
+- [ ] T066 Post-deploy: run post-mortem checklist and close feature ticket (`specs/005-backend-arch-pivot/closure.md`)
+
+---
+
+## Notes
+
+- Tasks labeled `[P]` are safe to run in parallel across different files or developers.
+- Story labels map to spec user stories: `US1` = Manual Sync, `US2` = Graph Fetching, `US3` = Transformation & DB, `US4` = Cleanup & Frontend.
+- Each task includes a suggested file path to implement work; adjust as needed to match repo layout.
+# Tasks: Backend Architecture Pivot
+
+**Feature**: 005-backend-arch-pivot  
+**Generated**: 2025-12-09  
+**Total Tasks**: 64 (T001-T066)  
+**Spec**: [spec.md](./spec.md) | **Plan**: [plan.md](./plan.md)
+
+---
+
+## Phase 1: Setup & Infrastructure (8 tasks)
+
+**Goal**: Prepare environment, install dependencies, setup Redis and BullMQ queue infrastructure
+
+### Environment Setup
+
+- [ ] T001 Install Redis via Docker Compose (add redis service to docker-compose.yml)
+- [ ] T002 [P] Add REDIS_URL to .env file (REDIS_URL=redis://localhost:6379)
+- [ ] T003 [P] Update lib/env.mjs - Add REDIS_URL: z.string().url() to server schema
+- [ ] T004 [P] Update lib/env.mjs - Add REDIS_URL to runtimeEnv object
+- [ ] T005 Install npm packages: bullmq, ioredis, @azure/identity, tsx
+
+### BullMQ Queue Infrastructure
+
+ - [X] T006 [P] Create lib/queue/redis.ts - Redis connection wrapper with IORedis
+ - [X] T007 [P] Create lib/queue/syncQueue.ts - BullMQ Queue definition for "intune-sync-queue"
+ - [X] T008 Test Redis connection and queue creation (add dummy job, verify in Redis CLI)
+
+---
+
+## Phase 2: Worker Process Skeleton (6 tasks)
+
+**Goal**: Set up worker process entry point and basic job processing infrastructure
+
+### Worker Setup
+
+- [ ] T009 Create worker/index.ts - BullMQ Worker entry point with job processor
+- [ ] T010 [P] Add worker:start script to package.json ("tsx watch worker/index.ts")
+- [ ] T011 [P] Implement worker event handlers (completed, failed, error)
+- [ ] T012 [P] Add structured logging for worker events (JSON format)
+- [ ] T013 Create worker/jobs/syncPolicies.ts - Main sync orchestration function (empty skeleton)
+- [ ] T014 Test worker starts successfully and listens on intune-sync-queue
+
+---
+
+## Phase 3: Microsoft Graph Integration (9 tasks)
+
+**Goal**: Implement Azure AD authentication and Microsoft Graph API data fetching with pagination
+
+### Authentication
+
+- [ ] T015 Create worker/jobs/graphAuth.ts - ClientSecretCredential token acquisition
+- [ ] T016 [P] Implement getGraphAccessToken() using @azure/identity
+- [ ] T017 Test token acquisition returns valid access token
+
+### Graph API Fetching
+
+- [ ] T018 Create worker/jobs/graphFetch.ts - Microsoft Graph API client
+- [ ] T019 [P] Implement fetchWithPagination() for handling @odata.nextLink
+- [ ] T020 [P] Create fetchAllPolicies() to fetch from 4 endpoints in parallel
+- [ ] T021 [P] Add Graph API endpoint constants (deviceConfigurations, compliancePolicies, configurationPolicies, intents)
+
+### Error Handling
+
+- [ ] T022 Create worker/utils/retry.ts - Exponential backoff retry logic
+- [ ] T023 Test Graph API calls with real tenant, verify pagination works for 100+ policies
+
+---
+
+## Phase 4: Data Transformation (11 tasks)
+
+**Goal**: Port n8n flattening logic to TypeScript, implement parsers for all policy types
+
+### Policy Parser Core
+
+- [ ] T024 Create worker/jobs/policyParser.ts - Main policy parsing router
+- [ ] T025 [P] Implement detectPolicyType() based on @odata.type
+- [ ] T026 [P] Implement parsePolicySettings() router function
+
+### Settings Catalog Parser
+
+- [ ] T027 Implement parseSettingsCatalog() for #microsoft.graph.deviceManagementConfigurationPolicy
+- [ ] T028 [P] Implement extractValue() for different value types (simple, choice, group collection)
+- [ ] T029 Handle nested settings with dot-notation path building
+
+### OMA-URI Parser
+
+- [ ] T030 [P] Implement parseOmaUri() for omaSettings[] arrays
+- [ ] T031 [P] Handle valueType mapping (string, int, boolean)
+
+### Humanizer & Utilities
+
+- [ ] T032 Create worker/utils/humanizer.ts - Setting ID humanization
+- [ ] T033 [P] Implement humanizeSettingId() to remove technical prefixes and format names
+- [ ] T034 [P] Implement defaultEmptySetting() for policies with no settings
+
+### Validation
+
+- [ ] T035 Test parser with sample Graph API responses, verify >95% extraction rate
+
+---
+
+## Phase 5: Database Persistence (7 tasks)
+
+**Goal**: Implement Drizzle ORM upsert logic with conflict resolution
+
+### Database Operations
+
+- [ ] T036 Create worker/jobs/dbUpsert.ts - Drizzle ORM upsert function
+- [ ] T037 [P] Implement upsertPolicySettings() with batch insert
+- [ ] T038 [P] Configure onConflictDoUpdate with policy_settings_upsert_unique constraint
+- [ ] T039 [P] Update lastSyncedAt timestamp on every sync
+- [ ] T040 Map FlattenedSetting[] to PolicySetting insert format
+
+### Integration
+
+- [ ] T041 Connect syncPolicies() orchestrator: auth → fetch → parse → upsert
+- [ ] T042 Test full sync with real tenant data, verify database updates correctly
+
+---
+
+## Phase 6: Frontend Integration (4 tasks)
+
+**Goal**: Replace n8n webhook with BullMQ job creation in Server Action
+
+### Server Action Update
+
+- [ ] T043 Modify lib/actions/policySettings.ts - triggerPolicySync() function
+- [ ] T044 Remove n8n webhook call (fetch to N8N_SYNC_WEBHOOK_URL)
+- [ ] T045 Add BullMQ job creation (syncQueue.add('sync-tenant', { tenantId }))
+- [ ] T046 Test end-to-end: UI click "Sync Now" → job created → worker processes → database updated
+
+---
+
+## Phase 7: Legacy Cleanup (8 tasks)
+
+**Goal**: Remove all n8n-related code, files, and environment variables
+
+### File Deletion
+
+- [ ] T047 Delete app/api/policy-settings/route.ts (n8n ingestion API)
+- [ ] T048 Delete app/api/admin/tenants/route.ts (n8n polling API)
+
+### Environment Variable Cleanup
+
+- [ ] T049 Remove POLICY_API_SECRET from .env file
+- [ ] T050 Remove N8N_SYNC_WEBHOOK_URL from .env file
+- [ ] T051 Remove POLICY_API_SECRET from lib/env.mjs server schema
+- [ ] T052 Remove N8N_SYNC_WEBHOOK_URL from lib/env.mjs server schema
+- [ ] T053 Remove POLICY_API_SECRET from lib/env.mjs runtimeEnv
+- [ ] T054 Remove N8N_SYNC_WEBHOOK_URL from lib/env.mjs runtimeEnv
+
+### Verification
+
+- [ ] T055 Run grep search for n8n references: grep -r "POLICY_API_SECRET\|N8N_SYNC_WEBHOOK_URL" --exclude-dir=specs → should be 0 results
+
+---
+
+## Phase 8: Testing & Validation (6 tasks)
+
+**Goal**: Comprehensive testing of new architecture
+
+### Unit Tests
+
+- [ ] T056 [P] Write unit tests for humanizer.ts
+- [ ] T057 [P] Write unit tests for retry.ts
+- [ ] T058 [P] Write unit tests for policyParser.ts
+
+### Integration Tests
+
+- [ ] T059 Write integration test for full syncPolicies() flow with mocked Graph API
+- [ ] T060 Write integration test for database upsert with conflict resolution
+
+### End-to-End Test
+
+- [ ] T061 E2E test: Start Redis + Worker, trigger sync from UI, verify database updates
+
+---
+
+## Phase 9: Deployment (5 tasks)
+
+**Goal**: Deploy worker process to production environment
+
+### Docker & Infrastructure
+
+- [ ] T062 Update docker-compose.yml for production (Redis service with persistence)
+- [ ] T063 Create Dockerfile for worker process (if separate container)
+- [ ] T064 Configure worker as background service (PM2, Systemd, or Docker Compose)
+
+### Production Deployment
+
+- [ ] T065 Set REDIS_URL in production environment variables
+- [ ] T066 Deploy worker, monitor logs for first production sync
+
+---
+
+## Dependencies Visualization
+
+```
+Phase 1 (Setup)
+  ↓
+Phase 2 (Worker Skeleton)
+  ↓
+Phase 3 (Graph Integration) ←─┐
+  ↓                            │
+Phase 4 (Transformation) ──────┤
+  ↓                            │
+Phase 5 (Database) ────────────┘
+  ↓
+Phase 6 (Frontend)
+  ↓
+Phase 7 (Cleanup)
+  ↓
+Phase 8 (Testing)
+  ↓
+Phase 9 (Deployment)
+```
+
+**Parallel Opportunities**:
+- Phase 3 & 4 can overlap (Graph integration while building parsers)
+- T002-T004 (env var updates) can be done in parallel
+- T006-T007 (Redis & Queue files) can be done in parallel
+- T015-T017 (auth) independent from T018-T021 (fetch)
+- T056-T058 (unit tests) can be done in parallel
+
+---
+
+## Task Details
+
+### T001: Install Redis via Docker Compose
+
+**File**: `docker-compose.yml`
+
+**Action**: Add Redis service
+
+```yaml
+services:
+  redis:
+    image: redis:alpine
+    ports:
+      - '6379:6379'
+    volumes:
+      - redis-data:/data
+    restart: unless-stopped
+
+volumes:
+  redis-data:
+```
+
+**Verification**: `docker-compose up -d redis` && `redis-cli ping` returns PONG
+
+---
+
+### T002-T004: Environment Variable Setup
+
+**Files**: `.env`, `lib/env.mjs`
+
+**Changes**:
+1. Add `REDIS_URL=redis://localhost:6379` to `.env`
+2. Add `REDIS_URL: z.string().url()` to server schema
+3. Add `REDIS_URL: process.env.REDIS_URL` to runtimeEnv
+
+**Verification**: `npm run dev` starts without env validation errors
+
+---
+
+### T005: Install npm Dependencies
+
+**Command**:
+```bash
+npm install bullmq ioredis @azure/identity
+npm install -D tsx
+```
+
+**Verification**: Check `package.json` for new dependencies
+
+---
+
+### T006: Create Redis Connection Wrapper
+
+**File**: `lib/queue/redis.ts`
+
+**Implementation**: See technical-notes.md section "BullMQ Setup"
+
+**Exports**: `redisConnection`
+
+---
+
+### T007: Create BullMQ Queue
+
+**File**: `lib/queue/syncQueue.ts`
+
+**Implementation**: See technical-notes.md section "BullMQ Setup"
+
+**Exports**: `syncQueue`
+
+---
+
+### T009: Create Worker Entry Point
+
+**File**: `worker/index.ts`
+
+**Implementation**: See technical-notes.md section "Worker Implementation"
+
+**Features**:
+- Worker listens on `intune-sync-queue`
+- Concurrency: 1 (sequential processing)
+- Event handlers for completed, failed, error
+
+---
+
+### T015-T016: Azure AD Token Acquisition
+
+**File**: `worker/jobs/graphAuth.ts`
+
+**Implementation**: See technical-notes.md section "Authentication"
+
+**Function**: `getGraphAccessToken(): Promise<string>`
+
+**Uses**: `@azure/identity` ClientSecretCredential
+
+---
+
+### T018-T021: Graph API Fetching
+
+**File**: `worker/jobs/graphFetch.ts`
+
+**Functions**:
+- `fetchWithPagination<T>(url, token): Promise<T[]>`
+- `fetchAllPolicies(token): Promise<Policy[]>`
+
+**Endpoints**:
+- deviceManagement/deviceConfigurations
+- deviceManagement/deviceCompliancePolicies
+- deviceManagement/configurationPolicies
+- deviceManagement/intents
+
+---
+
+### T024-T034: Policy Parser Implementation
+
+**File**: `worker/jobs/policyParser.ts`
+
+**Functions**:
+- `detectPolicyType(odataType: string): string`
+- `parsePolicySettings(policy: any): FlattenedSetting[]`
+- `parseSettingsCatalog(policy: any): FlattenedSetting[]`
+- `parseOmaUri(policy: any): FlattenedSetting[]`
+- `extractValue(settingInstance: any): any`
+
+**Reference**: See technical-notes.md section "Flattening Strategy"
+
+---
+
+### T036-T040: Database Upsert
+
+**File**: `worker/jobs/dbUpsert.ts`
+
+**Function**: `upsertPolicySettings(tenantId: string, settings: FlattenedSetting[])`
+
+**Features**:
+- Batch insert with Drizzle ORM
+- Conflict resolution on `policy_settings_upsert_unique`
+- Update `lastSyncedAt` timestamp
+
+**Reference**: See technical-notes.md section "Database Upsert"
+
+---
+
+### T043-T045: Frontend Integration
+
+**File**: `lib/actions/policySettings.ts`
+
+**Function**: `triggerPolicySync(tenantId: string)`
+
+**Before**:
+```typescript
+const response = await fetch(env.N8N_SYNC_WEBHOOK_URL, {
+  method: 'POST',
+  body: JSON.stringify({ tenantId }),
+});
+```
+
+**After**:
+```typescript
+import { syncQueue } from '@/lib/queue/syncQueue';
+
+const job = await syncQueue.add('sync-tenant', { 
+  tenantId,
+  triggeredAt: new Date(),
+});
+return { jobId: job.id };
+```
+
+---
+
+## Success Criteria Mapping
+
+| Task(s) | Success Criterion |
+|---------|-------------------|
+| T001-T008 | SC-001: Job creation <200ms |
+| T041-T042 | SC-002: Sync 50 policies in <30s |
+| T019-T021 | SC-003: Pagination handles 100+ policies |
+| T024-T035 | SC-004: >95% setting extraction |
+| T022-T023 | SC-005: Automatic retry on 429 |
+| T047-T055 | SC-006: Zero n8n references |
+| T061, T066 | SC-007: Worker stable 1+ hour |
+| T041-T042 | SC-008: No data loss on re-sync |
+
+---
+
+## Estimated Effort
+
+| Phase | Tasks | Hours | Priority |
+|-------|-------|-------|----------|
+| 1. Setup | 8 | 1-2h | P1 |
+| 2. Worker Skeleton | 6 | 2h | P1 |
+| 3. Graph Integration | 9 | 4h | P1 |
+| 4. Transformation | 11 | 6h | P1 |
+| 5. Database | 7 | 3h | P1 |
+| 6. Frontend | 4 | 2h | P1 |
+| 7. Cleanup | 8 | 2h | P1 |
+| 8. Testing | 6 | 4h | P1 |
+| 9. Deployment | 5 | 3h | P1 |
+| **Total** | **64** | **27-29h** | |
+
+---
+
+## Implementation Notes
+
+### Task Execution Order
+
+**Sequential Tasks** (blocking):
+- T001 → T002-T004 → T005 (setup before queue)
+- T006-T007 → T008 (Redis before queue test)
+- T009 → T013 (worker before sync skeleton)
+- T041 → T042 (integration before test)
+- T043-T045 → T046 (implementation before E2E test)
+
+**Parallel Tasks** (can be done simultaneously):
+- T002, T003, T004 (env var updates)
+- T006, T007 (Redis + Queue files)
+- T010, T011, T012 (worker event handlers)
+- T015-T017, T018-T021 (auth independent from fetch)
+- T027-T029, T030-T031 (different parser types)
+- T047, T048 (file deletions)
+- T049-T054 (env var removals)
+- T056, T057, T058 (unit tests)
+
+### Common Pitfalls
+
+1. **Redis Connection**: Ensure `maxRetriesPerRequest: null` for BullMQ compatibility
+2. **Graph API**: Handle 429 rate limiting with exponential backoff
+3. **Pagination**: Always follow `@odata.nextLink` until undefined
+4. **Upsert**: Use correct constraint name `policy_settings_upsert_unique`
+5. **Worker Deployment**: Don't forget `concurrency: 1` for sequential processing
+
+### Testing Checkpoints
+
+- After T008: Redis + Queue working
+- After T014: Worker starts successfully
+- After T017: Token acquisition works
+- After T023: Graph API fetch with pagination works
+- After T035: Parser extracts >95% of settings
+- After T042: Full sync updates database
+- After T046: UI → Worker → DB flow complete
+- After T055: No n8n references remain
+- After T061: E2E test passes
+
+---
+
+**Task Status**: Ready for Implementation  
+**Next Action**: Start with Phase 1 (T001-T008) - Setup & Infrastructure

specs/005-backend-arch-pivot/technical-notes.md

@@ -0,0 +1,615 @@
+# Technical Implementation Notes: Backend Architecture Pivot
+
+**Feature**: 005-backend-arch-pivot  
+**Created**: 2025-12-09  
+**Purpose**: Detailed implementation guidance for developers (not part of business specification)
+
+---
+
+## BullMQ Setup
+
+### Installation
+
+```bash
+npm install bullmq ioredis
+```
+
+### Redis Connection
+
+**File**: `lib/queue/redis.ts`
+
+```typescript
+import IORedis from 'ioredis';
+import { env } from '@/lib/env.mjs';
+
+export const redisConnection = new IORedis(env.REDIS_URL, {
+  maxRetriesPerRequest: null, // BullMQ requirement
+});
+```
+
+### Queue Definition
+
+**File**: `lib/queue/syncQueue.ts`
+
+```typescript
+import { Queue } from 'bullmq';
+import { redisConnection } from './redis';
+
+export const syncQueue = new Queue('intune-sync-queue', {
+  connection: redisConnection,
+});
+```
+
+---
+
+## Worker Implementation
+
+### Worker Entry Point
+
+**File**: `worker/index.ts`
+
+```typescript
+import { Worker } from 'bullmq';
+import { redisConnection } from '@/lib/queue/redis';
+import { syncPolicies } from './jobs/syncPolicies';
+
+const worker = new Worker(
+  'intune-sync-queue',
+  async (job) => {
+    console.log(`Processing job ${job.id} for tenant ${job.data.tenantId}`);
+    await syncPolicies(job.data.tenantId);
+  },
+  {
+    connection: redisConnection,
+    concurrency: 1, // Sequential processing
+  }
+);
+
+worker.on('completed', (job) => {
+  console.log(`Job ${job.id} completed`);
+});
+
+worker.on('failed', (job, err) => {
+  console.error(`Job ${job?.id} failed:`, err);
+});
+
+console.log('Worker started, listening on intune-sync-queue...');
+```
+
+### Package.json Script
+
+```json
+{
+  "scripts": {
+    "worker:start": "tsx watch worker/index.ts"
+  }
+}
+```
+
+---
+
+## Sync Logic Architecture
+
+### Main Function
+
+**File**: `worker/jobs/syncPolicies.ts`
+
+```typescript
+export async function syncPolicies(tenantId: string) {
+  // 1. Get Access Token
+  const token = await getGraphAccessToken();
+  
+  // 2. Fetch all policy types
+  const policies = await fetchAllPolicies(token);
+  
+  // 3. Parse & Flatten
+  const flattenedSettings = policies.flatMap(policy => 
+    parsePolicySettings(policy)
+  );
+  
+  // 4. Upsert to Database
+  await upsertPolicySettings(tenantId, flattenedSettings);
+}
+```
+
+### Authentication (Client Credentials)
+
+```typescript
+import { ClientSecretCredential } from '@azure/identity';
+
+async function getGraphAccessToken(): Promise<string> {
+  const credential = new ClientSecretCredential(
+    'common', // or specific tenant ID
+    env.AZURE_AD_CLIENT_ID,
+    env.AZURE_AD_CLIENT_SECRET
+  );
+  
+  const token = await credential.getToken('https://graph.microsoft.com/.default');
+  return token.token;
+}
+```
+
+### Pagination Handling
+
+```typescript
+async function fetchWithPagination<T>(url: string, token: string): Promise<T[]> {
+  let results: T[] = [];
+  let nextLink: string | undefined = url;
+  
+  while (nextLink) {
+    const response = await fetch(nextLink, {
+      headers: { Authorization: `Bearer ${token}` }
+    });
+    const data = await response.json();
+    
+    results = results.concat(data.value);
+    nextLink = data['@odata.nextLink'];
+  }
+  
+  return results;
+}
+```
+
+### Graph API Endpoints
+
+```typescript
+const GRAPH_ENDPOINTS = {
+  deviceConfigurations: 'https://graph.microsoft.com/v1.0/deviceManagement/deviceConfigurations',
+  compliancePolicies: 'https://graph.microsoft.com/v1.0/deviceManagement/deviceCompliancePolicies',
+  configurationPolicies: 'https://graph.microsoft.com/v1.0/deviceManagement/configurationPolicies',
+  intents: 'https://graph.microsoft.com/v1.0/deviceManagement/intents',
+};
+
+async function fetchAllPolicies(token: string) {
+  const [configs, compliance, configPolicies, intents] = await Promise.all([
+    fetchWithPagination(GRAPH_ENDPOINTS.deviceConfigurations, token),
+    fetchWithPagination(GRAPH_ENDPOINTS.compliancePolicies, token),
+    fetchWithPagination(GRAPH_ENDPOINTS.configurationPolicies, token),
+    fetchWithPagination(GRAPH_ENDPOINTS.intents, token),
+  ]);
+  
+  return [...configs, ...compliance, ...configPolicies, ...intents];
+}
+```
+
+---
+
+## Flattening Strategy
+
+### Settings Catalog (Most Complex)
+
+```typescript
+function parseSettingsCatalog(policy: any): FlattenedSetting[] {
+  if (!policy.settings) return [defaultEmptySetting(policy)];
+  
+  return policy.settings.flatMap(setting => {
+    const settingId = setting.settingInstance.settingDefinitionId;
+    const value = extractValue(setting.settingInstance);
+    
+    return {
+      settingName: humanizeSettingId(settingId),
+      settingValue: JSON.stringify(value),
+      settingValueType: typeof value,
+    };
+  });
+}
+
+function extractValue(settingInstance: any): any {
+  // Handle different value types
+  if (settingInstance.simpleSettingValue) {
+    return settingInstance.simpleSettingValue.value;
+  }
+  
+  if (settingInstance.choiceSettingValue) {
+    return settingInstance.choiceSettingValue.value;
+  }
+  
+  if (settingInstance.groupSettingCollectionValue) {
+    return settingInstance.groupSettingCollectionValue.children.map(
+      (child: any) => extractValue(child)
+    );
+  }
+  
+  return null;
+}
+```
+
+### OMA-URI
+
+```typescript
+function parseOmaUri(policy: any): FlattenedSetting[] {
+  if (!policy.omaSettings) return [defaultEmptySetting(policy)];
+  
+  return policy.omaSettings.map(oma => ({
+    settingName: oma.omaUri,
+    settingValue: oma.value,
+    settingValueType: oma.valueType || 'string',
+  }));
+}
+```
+
+### Humanizer
+
+```typescript
+function humanizeSettingId(id: string): string {
+  return id
+    .replace(/^device_vendor_msft_policy_config_/i, '')
+    .replace(/_/g, ' ')
+    .replace(/\b\w/g, c => c.toUpperCase());
+}
+```
+
+### Default Empty Setting
+
+```typescript
+function defaultEmptySetting(policy: any): FlattenedSetting {
+  return {
+    policyId: policy.id,
+    policyName: policy.displayName,
+    policyType: detectPolicyType(policy['@odata.type']),
+    settingName: '(No settings configured)',
+    settingValue: '',
+    settingValueType: 'empty',
+    path: '',
+  };
+}
+```
+
+### Policy Type Detection
+
+```typescript
+function detectPolicyType(odataType: string): string {
+  const typeMap: Record<string, string> = {
+    '#microsoft.graph.deviceManagementConfigurationPolicy': 'configurationPolicy',
+    '#microsoft.graph.windows10CustomConfiguration': 'deviceConfiguration',
+    '#microsoft.graph.windows10EndpointProtectionConfiguration': 'endpointSecurity',
+    '#microsoft.graph.deviceCompliancePolicy': 'compliancePolicy',
+    '#microsoft.graph.windowsUpdateForBusinessConfiguration': 'windowsUpdateForBusiness',
+    '#microsoft.graph.iosCustomConfiguration': 'deviceConfiguration',
+    '#microsoft.graph.androidManagedAppProtection': 'appConfiguration',
+  };
+  
+  return typeMap[odataType] || 'unknown';
+}
+```
+
+---
+
+## Database Upsert
+
+**File**: `worker/jobs/upsertPolicySettings.ts`
+
+```typescript
+import { db } from '@/lib/db';
+import { policySettings } from '@/lib/db/schema/policySettings';
+import { sql } from 'drizzle-orm';
+
+async function upsertPolicySettings(
+  tenantId: string, 
+  settings: FlattenedSetting[]
+) {
+  const records = settings.map(s => ({
+    tenantId,
+    graphPolicyId: s.policyId,
+    policyName: s.policyName,
+    policyType: s.policyType,
+    settingName: s.settingName,
+    settingValue: s.settingValue,
+    settingValueType: s.settingValueType,
+    lastSyncedAt: new Date(),
+  }));
+  
+  // Batch insert with conflict resolution
+  await db.insert(policySettings)
+    .values(records)
+    .onConflictDoUpdate({
+      target: [
+        policySettings.tenantId, 
+        policySettings.graphPolicyId, 
+        policySettings.settingName
+      ],
+      set: {
+        policyName: sql`EXCLUDED.policy_name`,
+        policyType: sql`EXCLUDED.policy_type`,
+        settingValue: sql`EXCLUDED.setting_value`,
+        settingValueType: sql`EXCLUDED.setting_value_type`,
+        lastSyncedAt: sql`EXCLUDED.last_synced_at`,
+      },
+    });
+}
+```
+
+---
+
+## Frontend Integration
+
+### Server Action Update
+
+**File**: `lib/actions/policySettings.ts`
+
+**Before** (n8n Webhook):
+```typescript
+const response = await fetch(env.N8N_SYNC_WEBHOOK_URL, {
+  method: 'POST',
+  headers: { 'Content-Type': 'application/json' },
+  body: JSON.stringify({ tenantId }),
+});
+```
+
+**After** (BullMQ Job):
+```typescript
+import { syncQueue } from '@/lib/queue/syncQueue';
+
+export async function triggerPolicySync(tenantId: string) {
+  const job = await syncQueue.add('sync-tenant', { 
+    tenantId,
+    triggeredAt: new Date(),
+  });
+  
+  return { 
+    success: true,
+    jobId: job.id,
+    message: 'Sync job created successfully' 
+  };
+}
+```
+
+---
+
+## Environment Variables
+
+### .env Changes
+
+**Add**:
+```bash
+REDIS_URL=redis://localhost:6379
+```
+
+**Remove**:
+```bash
+# POLICY_API_SECRET=... (DELETE)
+# N8N_SYNC_WEBHOOK_URL=... (DELETE)
+```
+
+### lib/env.mjs Updates
+
+```typescript
+import { createEnv } from "@t3-oss/env-nextjs";
+import { z } from "zod";
+
+export const env = createEnv({
+  server: {
+    DATABASE_URL: z.string().url(),
+    NEXTAUTH_SECRET: z.string().min(1),
+    NEXTAUTH_URL: z.string().url(),
+    AZURE_AD_CLIENT_ID: z.string().min(1),
+    AZURE_AD_CLIENT_SECRET: z.string().min(1),
+    REDIS_URL: z.string().url(), // ADD THIS
+    // REMOVE: POLICY_API_SECRET, N8N_SYNC_WEBHOOK_URL
+  },
+  client: {},
+  runtimeEnv: {
+    DATABASE_URL: process.env.DATABASE_URL,
+    NEXTAUTH_SECRET: process.env.NEXTAUTH_SECRET,
+    NEXTAUTH_URL: process.env.NEXTAUTH_URL,
+    AZURE_AD_CLIENT_ID: process.env.AZURE_AD_CLIENT_ID,
+    AZURE_AD_CLIENT_SECRET: process.env.AZURE_AD_CLIENT_SECRET,
+    REDIS_URL: process.env.REDIS_URL, // ADD THIS
+  },
+});
+```
+
+---
+
+## Retry & Error Handling
+
+### Exponential Backoff
+
+```typescript
+async function fetchWithRetry<T>(
+  url: string,
+  token: string,
+  maxRetries = 3
+): Promise<T> {
+  let lastError: Error | null = null;
+  
+  for (let attempt = 0; attempt < maxRetries; attempt++) {
+    try {
+      const response = await fetch(url, {
+        headers: { Authorization: `Bearer ${token}` }
+      });
+      
+      if (response.status === 429) {
+        // Rate limit - exponential backoff
+        const delay = Math.pow(2, attempt) * 1000;
+        await new Promise(resolve => setTimeout(resolve, delay));
+        continue;
+      }
+      
+      if (!response.ok) {
+        throw new Error(`HTTP ${response.status}: ${response.statusText}`);
+      }
+      
+      return await response.json();
+    } catch (error) {
+      lastError = error as Error;
+      
+      // Don't retry on auth errors
+      if (error instanceof Error && error.message.includes('401')) {
+        throw error;
+      }
+      
+      // Exponential backoff for transient errors
+      if (attempt < maxRetries - 1) {
+        const delay = Math.pow(2, attempt) * 1000;
+        await new Promise(resolve => setTimeout(resolve, delay));
+      }
+    }
+  }
+  
+  throw lastError || new Error('Max retries exceeded');
+}
+```
+
+---
+
+## Docker Compose Setup (Optional)
+
+**File**: `docker-compose.yml`
+
+```yaml
+version: '3.8'
+
+services:
+  redis:
+    image: redis:alpine
+    ports:
+      - '6379:6379'
+    volumes:
+      - redis-data:/data
+    restart: unless-stopped
+
+volumes:
+  redis-data:
+```
+
+Start Redis:
+```bash
+docker-compose up -d redis
+```
+
+---
+
+## Production Deployment
+
+### Worker as Systemd Service
+
+**File**: `/etc/systemd/system/tenantpilot-worker.service`
+
+```ini
+[Unit]
+Description=TenantPilot Policy Sync Worker
+After=network.target redis.service
+
+[Service]
+Type=simple
+User=www-data
+WorkingDirectory=/var/www/tenantpilot
+ExecStart=/usr/bin/node /var/www/tenantpilot/worker/index.js
+Restart=on-failure
+RestartSec=10
+StandardOutput=journal
+StandardError=journal
+
+[Install]
+WantedBy=multi-user.target
+```
+
+Enable & Start:
+```bash
+sudo systemctl enable tenantpilot-worker
+sudo systemctl start tenantpilot-worker
+sudo systemctl status tenantpilot-worker
+```
+
+---
+
+## Testing Strategy
+
+### Unit Tests
+
+```typescript
+import { describe, it, expect, vi } from 'vitest';
+import { humanizeSettingId } from './humanizer';
+
+describe('humanizeSettingId', () => {
+  it('removes device_vendor_msft_policy_config prefix', () => {
+    const result = humanizeSettingId('device_vendor_msft_policy_config_wifi_allowwifihotspotreporting');
+    expect(result).toBe('Wifi Allowwifihotspotreporting');
+  });
+});
+```
+
+### Integration Tests
+
+```typescript
+describe('syncPolicies', () => {
+  it('fetches and stores policies for tenant', async () => {
+    const testTenantId = 'test-tenant-123';
+    
+    await syncPolicies(testTenantId);
+    
+    const settings = await db.query.policySettings.findMany({
+      where: eq(policySettings.tenantId, testTenantId),
+    });
+    
+    expect(settings.length).toBeGreaterThan(0);
+  });
+});
+```
+
+---
+
+## Monitoring & Logging
+
+### Structured Logging
+
+```typescript
+import winston from 'winston';
+
+const logger = winston.createLogger({
+  level: 'info',
+  format: winston.format.json(),
+  transports: [
+    new winston.transports.File({ filename: 'worker-error.log', level: 'error' }),
+    new winston.transports.File({ filename: 'worker-combined.log' }),
+  ],
+});
+
+// In worker:
+logger.info('Job started', { jobId: job.id, tenantId: job.data.tenantId });
+logger.error('Job failed', { jobId: job.id, error: err.message });
+```
+
+### Health Check Endpoint
+
+**File**: `app/api/worker-health/route.ts`
+
+```typescript
+import { syncQueue } from '@/lib/queue/syncQueue';
+
+export async function GET() {
+  try {
+    const jobCounts = await syncQueue.getJobCounts();
+    
+    return Response.json({
+      status: 'healthy',
+      queue: jobCounts,
+    });
+  } catch (error) {
+    return Response.json(
+      { status: 'unhealthy', error: (error as Error).message },
+      { status: 500 }
+    );
+  }
+}
+```
+
+---
+
+## Migration Checklist
+
+- [ ] Install dependencies (`bullmq`, `ioredis`, `@azure/identity`)
+- [ ] Add `REDIS_URL` to `.env`
+- [ ] Create `lib/queue/redis.ts` and `lib/queue/syncQueue.ts`
+- [ ] Create `worker/index.ts` with BullMQ Worker
+- [ ] Implement `worker/jobs/syncPolicies.ts` with full logic
+- [ ] Update `lib/actions/policySettings.ts` → replace n8n webhook with BullMQ
+- [ ] Remove `app/api/policy-settings/route.ts`
+- [ ] Remove `app/api/admin/tenants/route.ts`
+- [ ] Remove `POLICY_API_SECRET` from `.env` and `lib/env.mjs`
+- [ ] Remove `N8N_SYNC_WEBHOOK_URL` from `.env` and `lib/env.mjs`
+- [ ] Add `worker:start` script to `package.json`
+- [ ] Test locally: Start Redis, Start Worker, Trigger Sync from UI
+- [ ] Deploy Worker as background service (PM2/Systemd/Docker)
+- [ ] Verify end-to-end: Job creation → Worker processing → Database updates

worker/events.ts

@@ -0,0 +1,36 @@
+import { Worker, Job } from 'bullmq';
+import logger from './logging';
+
+const jobStartTimes = new Map<string | number, number>();
+
+export function attachWorkerEvents(worker: Worker) {
+  worker.on('active', (job: Job) => {
+    jobStartTimes.set(job.id, Date.now());
+    logger.info({ event: 'job_active', jobId: job.id, name: job.name, data: job.data });
+  });
+
+  worker.on('completed', (job: Job) => {
+    const start = jobStartTimes.get(job.id) || Date.now();
+    const durationMs = Date.now() - start;
+    jobStartTimes.delete(job.id);
+    logger.info({ event: 'job_complete', jobId: job.id, durationMs, timestamp: new Date().toISOString() });
+  });
+
+  worker.on('failed', (job: Job | undefined, err: Error | undefined) => {
+    const jobId = job?.id;
+    const start = jobId ? jobStartTimes.get(jobId) : undefined;
+    const durationMs = start ? Date.now() - start : undefined;
+    if (jobId) jobStartTimes.delete(jobId);
+    logger.error({ event: 'job_failed', jobId, error: err?.message, stack: err?.stack, durationMs });
+  });
+
+  worker.on('progress', (job: Job, progress) => {
+    logger.info({ event: 'job_progress', jobId: job.id, progress });
+  });
+
+  worker.on('error', (err: Error) => {
+    logger.error({ event: 'worker_error', error: err?.message, stack: err?.stack });
+  });
+}
+
+export default attachWorkerEvents;

worker/health.ts

@@ -0,0 +1,9 @@
+export function checkHealth() {
+  return {
+    ok: true,
+    redisUrlPresent: !!process.env.REDIS_URL,
+    timestamp: new Date().toISOString(),
+  };
+}
+
+export default checkHealth;

worker/index.ts

@@ -0,0 +1,25 @@
+import 'dotenv/config';
+import { Worker } from 'bullmq';
+import redisConnection from '../lib/queue/redis';
+import { syncPolicies } from './jobs/syncPolicies';
+import attachWorkerEvents from './events';
+import logger from './logging';
+
+const worker = new Worker(
+  'intune-sync-queue',
+  async (job) => {
+    logger.info({ event: 'job_start', jobId: job.id, name: job.name, data: job.data, timestamp: new Date().toISOString() });
+    return syncPolicies(job);
+  },
+  { connection: (redisConnection as any), concurrency: 1 }
+);
+
+attachWorkerEvents(worker);
+
+process.on('SIGINT', async () => {
+  logger.info('Shutting down worker...');
+  await worker.close();
+  process.exit(0);
+});
+
+logger.info('Worker started: listening for jobs on intune-sync-queue');

worker/jobs/dbUpsert.ts

@@ -0,0 +1,73 @@
+import { db } from '../../lib/db';
+import { policySettings } from '../../lib/db/schema/policySettings';
+import type { NewPolicySetting } from '../../lib/db/schema/policySettings';
+import type { FlattenedSetting } from './policyParser';
+import logger from '../logging';
+
+/**
+ * Upsert policy settings to database with conflict resolution
+ */
+export async function upsertPolicySettings(
+  tenantId: string,
+  settings: FlattenedSetting[]
+): Promise<{ inserted: number; updated: number }> {
+  if (settings.length === 0) {
+    logger.info({ event: 'dbUpsert:skip', reason: 'no settings to upsert' });
+    return { inserted: 0, updated: 0 };
+  }
+
+  const now = new Date();
+  
+  // Convert to database insert format
+  const records: NewPolicySetting[] = settings.map((setting) => ({
+    tenantId,
+    policyName: setting.policyName,
+    policyType: setting.policyType,
+    settingName: setting.settingName,
+    settingValue: setting.settingValue,
+    graphPolicyId: setting.graphPolicyId,
+    lastSyncedAt: now,
+  }));
+
+  try {
+    // Batch upsert with conflict resolution
+    // Uses the unique constraint: (tenantId, graphPolicyId, settingName)
+    const result = await db
+      .insert(policySettings)
+      .values(records)
+      .onConflictDoUpdate({
+        target: [
+          policySettings.tenantId,
+          policySettings.graphPolicyId,
+          policySettings.settingName,
+        ],
+        set: {
+          policyName: policySettings.policyName,
+          policyType: policySettings.policyType,
+          settingValue: policySettings.settingValue,
+          lastSyncedAt: now,
+        },
+      });
+
+    // Drizzle doesn't return row counts in all cases, so we estimate
+    const total = records.length;
+    logger.info({ 
+      event: 'dbUpsert:success', 
+      total, 
+      tenantId,
+      policies: [...new Set(settings.map(s => s.graphPolicyId))].length
+    });
+
+    return { inserted: total, updated: 0 };
+  } catch (error) {
+    logger.error({ 
+      event: 'dbUpsert:error', 
+      error: error instanceof Error ? error.message : String(error),
+      tenantId,
+      settingsCount: settings.length
+    });
+    throw error;
+  }
+}
+
+export default upsertPolicySettings;

worker/jobs/graphAuth.ts

@@ -0,0 +1,19 @@
+import { ClientSecretCredential } from '@azure/identity';
+
+const tenantId = process.env.AZURE_AD_TENANT_ID || process.env.AZURE_TENANT_ID;
+const clientId = process.env.AZURE_AD_CLIENT_ID;
+const clientSecret = process.env.AZURE_AD_CLIENT_SECRET;
+const GRAPH_SCOPE = 'https://graph.microsoft.com/.default';
+
+export async function getGraphAccessToken(): Promise<string> {
+  if (!tenantId || !clientId || !clientSecret) {
+    throw new Error('Missing Azure AD credentials. Set AZURE_AD_TENANT_ID, AZURE_AD_CLIENT_ID and AZURE_AD_CLIENT_SECRET in env');
+  }
+
+  const credential = new ClientSecretCredential(tenantId, clientId, clientSecret);
+  const token = await credential.getToken(GRAPH_SCOPE);
+  if (!token || !token.token) throw new Error('Failed to acquire Graph access token');
+  return token.token;
+}
+
+export default getGraphAccessToken;

worker/jobs/graphFetch.ts

@@ -0,0 +1,77 @@
+import getGraphAccessToken from './graphAuth';
+import { withRetry, isTransientError } from '../utils/retry';
+
+type GraphRecord = Record<string, unknown>;
+
+/**
+ * Fetch a Graph endpoint with pagination support for @odata.nextLink
+ * Returns an array of items aggregated across pages.
+ */
+export async function fetchWithPagination(
+  endpoint: string,
+  token: string,
+  baseUrl = 'https://graph.microsoft.com/v1.0'
+): Promise<GraphRecord[]> {
+  const results: GraphRecord[] = [];
+
+  // Normalize URL
+  let url = endpoint.startsWith('http') ? endpoint : `${baseUrl}${endpoint.startsWith('/') ? '' : '/'}${endpoint}`;
+
+  while (url) {
+    const res = await withRetry(
+      async () => {
+        const response = await fetch(url, {
+          headers: {
+            Authorization: `Bearer ${token}`,
+            Accept: 'application/json',
+          },
+        });
+
+        // Handle rate limiting (429)
+        if (response.status === 429) {
+          const retryAfter = response.headers.get('Retry-After');
+          const delay = retryAfter ? parseInt(retryAfter, 10) * 1000 : 60000;
+          await new Promise((resolve) => setTimeout(resolve, delay));
+          throw new Error(`429 Rate limit exceeded, retrying after ${delay}ms`);
+        }
+
+        if (!response.ok) {
+          const txt = await response.text();
+          const error = new Error(`Graph fetch failed: ${response.status} ${response.statusText} - ${txt}`);
+          throw error;
+        }
+
+        return response;
+      },
+      {
+        maxAttempts: 3,
+        initialDelayMs: 1000,
+        shouldRetry: (error) => isTransientError(error),
+      }
+    );
+
+    const json = await res.json();
+    if (Array.isArray(json.value)) {
+      results.push(...json.value);
+    } else if (json.value !== undefined) {
+      // Some endpoints may return a single value
+      results.push(json.value as GraphRecord);
+    }
+
+    const next = json['@odata.nextLink'];
+    if (next) url = next;
+    else break;
+  }
+
+  return results;
+}
+
+/**
+ * Convenience function: obtains a Graph token and fetches pages for the given endpoint.
+ */
+export async function fetchFromGraph(endpoint: string) {
+  const token = await getGraphAccessToken();
+  return fetchWithPagination(endpoint, token);
+}
+
+export default fetchFromGraph;

worker/jobs/policyParser.ts

@@ -0,0 +1,233 @@
+import { humanizeSettingId } from '../utils/humanizer';
+
+export interface FlattenedSetting {
+  policyName: string;
+  policyType: string;
+  settingName: string;
+  settingValue: string;
+  graphPolicyId: string;
+}
+
+type GraphPolicy = Record<string, any>;
+
+/**
+ * Detect policy type from @odata.type field
+ */
+export function detectPolicyType(policy: GraphPolicy): string {
+  const odataType = policy['@odata.type'] || '';
+
+  if (odataType.includes('deviceManagementConfigurationPolicy')) {
+    return 'deviceConfiguration';
+  }
+  if (odataType.includes('deviceCompliancePolicy') || odataType.includes('windows10CompliancePolicy')) {
+    return 'compliancePolicy';
+  }
+  if (odataType.includes('windowsUpdateForBusinessConfiguration')) {
+    return 'windowsUpdateForBusiness';
+  }
+  if (odataType.includes('configurationPolicy')) {
+    return 'endpointSecurity';
+  }
+
+  // Default fallback
+  return 'deviceConfiguration';
+}
+
+/**
+ * Parse Settings Catalog policies (deviceManagementConfigurationPolicy)
+ */
+function parseSettingsCatalog(policy: GraphPolicy): FlattenedSetting[] {
+  const results: FlattenedSetting[] = [];
+  const policyName = policy.name || policy.displayName || 'Unnamed Policy';
+  const graphPolicyId = policy.id;
+  const policyType = detectPolicyType(policy);
+
+  const settings = policy.settings || [];
+
+  for (const setting of settings) {
+    const instances = setting.settingInstance || [];
+    
+    for (const instance of instances) {
+      const defId = instance.settingDefinitionId || '';
+      const settingName = humanizeSettingId(defId);
+
+      // Extract value based on value type
+      let value = '';
+      
+      if (instance.simpleSettingValue) {
+        value = String(instance.simpleSettingValue.value ?? '');
+      } else if (instance.choiceSettingValue) {
+        value = String(instance.choiceSettingValue.value ?? '');
+      } else if (instance.simpleSettingCollectionValue) {
+        const values = (instance.simpleSettingCollectionValue || []).map((v: any) => v.value);
+        value = values.join(', ');
+      } else if (instance.groupSettingCollectionValue) {
+        // Nested group settings - flatten recursively
+        const children = instance.groupSettingCollectionValue || [];
+        for (const child of children) {
+          const childSettings = child.children || [];
+          for (const childSetting of childSettings) {
+            const childDefId = childSetting.settingDefinitionId || '';
+            const childName = humanizeSettingId(childDefId);
+            let childValue = '';
+            
+            if (childSetting.simpleSettingValue) {
+              childValue = String(childSetting.simpleSettingValue.value ?? '');
+            } else if (childSetting.choiceSettingValue) {
+              childValue = String(childSetting.choiceSettingValue.value ?? '');
+            }
+
+            if (childValue) {
+              results.push({
+                policyName,
+                policyType,
+                settingName: `${settingName} > ${childName}`,
+                settingValue: childValue,
+                graphPolicyId,
+              });
+            }
+          }
+        }
+        continue;
+      } else {
+        value = JSON.stringify(instance);
+      }
+
+      if (value) {
+        results.push({
+          policyName,
+          policyType,
+          settingName,
+          settingValue: value,
+          graphPolicyId,
+        });
+      }
+    }
+  }
+
+  return results;
+}
+
+/**
+ * Parse OMA-URI policies (legacy deviceConfiguration)
+ */
+function parseOmaUri(policy: GraphPolicy): FlattenedSetting[] {
+  const results: FlattenedSetting[] = [];
+  const policyName = policy.displayName || policy.name || 'Unnamed Policy';
+  const graphPolicyId = policy.id;
+  const policyType = detectPolicyType(policy);
+
+  const omaSettings = policy.omaSettings || [];
+
+  for (const setting of omaSettings) {
+    const omaUri = setting.omaUri || '';
+    const settingName = humanizeSettingId(omaUri.split('/').pop() || omaUri);
+    
+    let value = '';
+    
+    if (setting.value !== undefined && setting.value !== null) {
+      value = String(setting.value);
+    } else if (setting.stringValue) {
+      value = setting.stringValue;
+    } else if (setting.intValue !== undefined) {
+      value = String(setting.intValue);
+    } else if (setting.boolValue !== undefined) {
+      value = String(setting.boolValue);
+    }
+
+    if (value) {
+      results.push({
+        policyName,
+        policyType,
+        settingName,
+        settingValue: value,
+        graphPolicyId,
+      });
+    }
+  }
+
+  return results;
+}
+
+/**
+ * Parse standard property-based policies (compliance, etc.)
+ */
+function parseStandardProperties(policy: GraphPolicy): FlattenedSetting[] {
+  const results: FlattenedSetting[] = [];
+  const policyName = policy.displayName || policy.name || 'Unnamed Policy';
+  const graphPolicyId = policy.id;
+  const policyType = detectPolicyType(policy);
+
+  // Common properties to extract
+  const ignoredKeys = ['@odata.type', '@odata.context', 'id', 'displayName', 'name', 
+                       'description', 'createdDateTime', 'lastModifiedDateTime', 
+                       'version', 'assignments'];
+
+  for (const [key, value] of Object.entries(policy)) {
+    if (ignoredKeys.includes(key) || value === null || value === undefined) {
+      continue;
+    }
+
+    const settingName = humanizeSettingId(key);
+    let settingValue = '';
+
+    if (typeof value === 'object') {
+      settingValue = JSON.stringify(value);
+    } else {
+      settingValue = String(value);
+    }
+
+    if (settingValue && settingValue !== 'false' && settingValue !== '0') {
+      results.push({
+        policyName,
+        policyType,
+        settingName,
+        settingValue,
+        graphPolicyId,
+      });
+    }
+  }
+
+  return results;
+}
+
+/**
+ * Default empty setting for policies with no extractable settings
+ */
+function defaultEmptySetting(policy: GraphPolicy): FlattenedSetting[] {
+  const policyName = policy.displayName || policy.name || 'Unnamed Policy';
+  const graphPolicyId = policy.id;
+  const policyType = detectPolicyType(policy);
+
+  return [{
+    policyName,
+    policyType,
+    settingName: '(No settings found)',
+    settingValue: 'Policy exists but no extractable settings',
+    graphPolicyId,
+  }];
+}
+
+/**
+ * Main parser router - detects type and calls appropriate parser
+ */
+export function parsePolicySettings(policy: GraphPolicy): FlattenedSetting[] {
+  const odataType = policy['@odata.type'] || '';
+
+  // Settings Catalog
+  if (odataType.includes('deviceManagementConfigurationPolicy')) {
+    const settings = parseSettingsCatalog(policy);
+    return settings.length > 0 ? settings : defaultEmptySetting(policy);
+  }
+
+  // OMA-URI based
+  if (policy.omaSettings && Array.isArray(policy.omaSettings) && policy.omaSettings.length > 0) {
+    return parseOmaUri(policy);
+  }
+
+  // Standard properties
+  const settings = parseStandardProperties(policy);
+  return settings.length > 0 ? settings : defaultEmptySetting(policy);
+}
+
+export default parsePolicySettings;

worker/jobs/syncPolicies.ts

@@ -0,0 +1,115 @@
+import logger from '../logging';
+import { fetchFromGraph } from './graphFetch';
+import { parsePolicySettings } from './policyParser';
+import { upsertPolicySettings } from './dbUpsert';
+
+const GRAPH_ENDPOINTS = [
+  '/deviceManagement/deviceConfigurations',
+  '/deviceManagement/deviceCompliancePolicies',
+  '/deviceManagement/configurationPolicies',
+  '/deviceManagement/intents',
+];
+
+export async function syncPolicies(job: any) {
+  const tenantId = job?.data?.tenantId || 'default-tenant';
+  
+  logger.info({ 
+    event: 'syncPolicies:start', 
+    jobId: job?.id, 
+    tenantId,
+    timestamp: new Date().toISOString()
+  });
+
+  try {
+    // Step 1: Fetch all policies from Graph API endpoints
+    logger.info({ event: 'syncPolicies:fetch:start', endpoints: GRAPH_ENDPOINTS.length });
+    
+    const allPolicies = [];
+    for (const endpoint of GRAPH_ENDPOINTS) {
+      try {
+        const policies = await fetchFromGraph(endpoint);
+        allPolicies.push(...policies);
+        logger.info({ 
+          event: 'syncPolicies:fetch:endpoint', 
+          endpoint, 
+          count: policies.length 
+        });
+      } catch (error) {
+        logger.error({ 
+          event: 'syncPolicies:fetch:error', 
+          endpoint, 
+          error: error instanceof Error ? error.message : String(error) 
+        });
+        // Continue with other endpoints even if one fails
+      }
+    }
+
+    logger.info({ 
+      event: 'syncPolicies:fetch:complete', 
+      totalPolicies: allPolicies.length 
+    });
+
+    if (allPolicies.length === 0) {
+      logger.info({ event: 'syncPolicies:done', result: 'no policies found' });
+      return { processed: true, policiesFound: 0, settingsUpserted: 0 };
+    }
+
+    // Step 2: Parse and flatten all policies
+    logger.info({ event: 'syncPolicies:parse:start', policies: allPolicies.length });
+    
+    const allSettings = [];
+    for (const policy of allPolicies) {
+      try {
+        const settings = parsePolicySettings(policy);
+        allSettings.push(...settings);
+      } catch (error) {
+        logger.error({ 
+          event: 'syncPolicies:parse:error', 
+          policyId: policy.id,
+          error: error instanceof Error ? error.message : String(error) 
+        });
+      }
+    }
+
+    logger.info({ 
+      event: 'syncPolicies:parse:complete', 
+      totalSettings: allSettings.length 
+    });
+
+    // Step 3: Upsert to database
+    logger.info({ event: 'syncPolicies:upsert:start', settings: allSettings.length });
+    
+    const result = await upsertPolicySettings(tenantId, allSettings);
+
+    logger.info({ 
+      event: 'syncPolicies:upsert:complete', 
+      inserted: result.inserted,
+      updated: result.updated
+    });
+
+    // Done
+    logger.info({ 
+      event: 'syncPolicies:done', 
+      jobId: job?.id,
+      policiesFound: allPolicies.length,
+      settingsUpserted: result.inserted + result.updated,
+      timestamp: new Date().toISOString()
+    });
+
+    return { 
+      processed: true, 
+      policiesFound: allPolicies.length,
+      settingsUpserted: result.inserted + result.updated
+    };
+  } catch (error) {
+    logger.error({ 
+      event: 'syncPolicies:error', 
+      jobId: job?.id,
+      error: error instanceof Error ? error.message : String(error),
+      stack: error instanceof Error ? error.stack : undefined
+    });
+    throw error;
+  }
+}
+
+export default syncPolicies;

worker/logging.ts

@@ -0,0 +1,33 @@
+function formatPayload(payload: unknown) {
+  if (typeof payload === 'string') return { msg: payload };
+  if (payload instanceof Error) return { msg: payload.message, stack: payload.stack };
+  return payload;
+}
+
+const baseMeta = () => ({ pid: process.pid, ts: new Date().toISOString() });
+
+export const logger = {
+  info: (payload: unknown, meta: Record<string, unknown> = {}) => {
+    try {
+      console.log(JSON.stringify({ level: 'info', ...baseMeta(), meta, payload: formatPayload(payload) }));
+    } catch (e) {
+      console.log('INFO', payload, meta);
+    }
+  },
+  warn: (payload: unknown, meta: Record<string, unknown> = {}) => {
+    try {
+      console.warn(JSON.stringify({ level: 'warn', ...baseMeta(), meta, payload: formatPayload(payload) }));
+    } catch (e) {
+      console.warn('WARN', payload, meta);
+    }
+  },
+  error: (payload: unknown, meta: Record<string, unknown> = {}) => {
+    try {
+      console.error(JSON.stringify({ level: 'error', ...baseMeta(), meta, payload: formatPayload(payload) }));
+    } catch (e) {
+      console.error('ERROR', payload, meta);
+    }
+  },
+};
+
+export default logger;

worker/utils/humanizer.ts

@@ -0,0 +1,30 @@
+/**
+ * Humanize setting IDs by removing technical prefixes and formatting
+ */
+export function humanizeSettingId(settingId: string): string {
+  if (!settingId) return settingId;
+
+  // Remove common technical prefixes
+  let humanized = settingId
+    .replace(/^device_vendor_msft_policy_config_/i, '')
+    .replace(/^device_vendor_msft_/i, '')
+    .replace(/^vendor_msft_policy_config_/i, '')
+    .replace(/^admx_/i, '')
+    .replace(/^msft_/i, '');
+
+  // Replace underscores with spaces
+  humanized = humanized.replace(/_/g, ' ');
+
+  // Convert camelCase to space-separated
+  humanized = humanized.replace(/([a-z])([A-Z])/g, '$1 $2');
+
+  // Capitalize first letter of each word
+  humanized = humanized
+    .split(' ')
+    .map(word => word.charAt(0).toUpperCase() + word.slice(1).toLowerCase())
+    .join(' ');
+
+  return humanized.trim();
+}
+
+export default humanizeSettingId;

worker/utils/retry.ts

@@ -0,0 +1,75 @@
+export interface RetryOptions {
+  maxAttempts?: number;
+  initialDelayMs?: number;
+  maxDelayMs?: number;
+  backoffMultiplier?: number;
+  shouldRetry?: (error: Error, attempt: number) => boolean;
+}
+
+const DEFAULT_OPTIONS: Required<RetryOptions> = {
+  maxAttempts: 3,
+  initialDelayMs: 1000,
+  maxDelayMs: 30000,
+  backoffMultiplier: 2,
+  shouldRetry: () => true,
+};
+
+/**
+ * Execute a function with exponential backoff retry logic
+ */
+export async function withRetry<T>(
+  fn: () => Promise<T>,
+  options: RetryOptions = {}
+): Promise<T> {
+  const opts = { ...DEFAULT_OPTIONS, ...options };
+  let lastError: Error | undefined;
+
+  for (let attempt = 1; attempt <= opts.maxAttempts; attempt++) {
+    try {
+      return await fn();
+    } catch (error) {
+      lastError = error instanceof Error ? error : new Error(String(error));
+
+      if (attempt >= opts.maxAttempts || !opts.shouldRetry(lastError, attempt)) {
+        throw lastError;
+      }
+
+      const delay = Math.min(
+        opts.initialDelayMs * Math.pow(opts.backoffMultiplier, attempt - 1),
+        opts.maxDelayMs
+      );
+
+      await new Promise((resolve) => setTimeout(resolve, delay));
+    }
+  }
+
+  throw lastError || new Error('Retry failed');
+}
+
+/**
+ * Determine if an error is transient and should be retried
+ */
+export function isTransientError(error: Error): boolean {
+  const message = error.message.toLowerCase();
+  
+  // Network errors
+  if (message.includes('econnreset') || 
+      message.includes('enotfound') || 
+      message.includes('etimedout') ||
+      message.includes('network')) {
+    return true;
+  }
+
+  // HTTP status codes that should be retried
+  if (message.includes('429') ||  // Too Many Requests
+      message.includes('500') ||  // Internal Server Error
+      message.includes('502') ||  // Bad Gateway
+      message.includes('503') ||  // Service Unavailable
+      message.includes('504')) {  // Gateway Timeout
+    return true;
+  }
+
+  return false;
+}
+
+export default withRetry;