added platform stats

src/Backend/AutopilotMonitor.Functions/Functions/GetPlatformStatsFunction.cs

@@ -34,6 +34,9 @@ namespace AutopilotMonitor.Functions.Functions
                 if (stats == null)
                 {
                     // No stats computed yet - return zeros
+                    // TODO: get values from azure blob storage /stats/platform-stats.json, calculation is done nightly in maintenance function and not here
+                    // maybe used later for SWA-API passthrough - andvantage same does for usage metrics
+                    // alternative landing receives stats from blob storage and not from this endpoint, then we can remove this endpoint and call blob storage directly from landing page (CORS)
                     await response.WriteAsJsonAsync(new
                     {
                         totalEnrollments = 0,
@@ -42,7 +45,8 @@ namespace AutopilotMonitor.Functions.Functions
                         uniqueDeviceModels = 0,
                         totalEventsProcessed = 0,
                         successfulEnrollments = 0,
-                        issuesDetected = 0
+                        issuesDetected = 0,
+                        lastUpdated = (DateTime?)null
                     });
                 }
                 else

src/Backend/AutopilotMonitor.Functions/Functions/GetRuleResultsFunction.cs

@@ -33,13 +33,6 @@ namespace AutopilotMonitor.Functions.Functions
             string sessionId)
         {
             var tenantId = TenantHelper.IsAuthenticated(req) ? TenantHelper.GetTenantId(req) : null;
-            if (string.IsNullOrEmpty(tenantId))
-            {
-                // Fall back to query parameter for cross-tenant access
-                var query = System.Web.HttpUtility.ParseQueryString(req.Url.Query);
-                tenantId = query["tenantId"];
-            }
-
             if (string.IsNullOrEmpty(tenantId))
             {
                 var unauthorized = req.CreateResponse(HttpStatusCode.Unauthorized);

src/Backend/AutopilotMonitor.Functions/Functions/HealthCheckFunction.cs

@@ -39,7 +39,7 @@ namespace AutopilotMonitor.Functions.Functions
             {
                 status = "healthy",
                 service = "Autopilot Monitor API",
-                version = "1.0.0-phase1",
+                version = "1.0.0", // TODO: Version should be dynamically retrieved from assembly info or configuration
                 timestamp = DateTime.UtcNow
             });
 

src/Backend/AutopilotMonitor.Functions/Services/AdminConfigurationService.cs

@@ -180,7 +180,8 @@ namespace AutopilotMonitor.Functions.Services
             {
                 { "LastUpdated", config.LastUpdated },
                 { "UpdatedBy", config.UpdatedBy },
-                { "GlobalRateLimitRequestsPerMinute", config.GlobalRateLimitRequestsPerMinute }
+                { "GlobalRateLimitRequestsPerMinute", config.GlobalRateLimitRequestsPerMinute },
+                { "PlatformStatsBlobSasUrl", config.PlatformStatsBlobSasUrl ?? string.Empty }
             };
 
             return entity;
@@ -194,7 +195,8 @@ namespace AutopilotMonitor.Functions.Services
                 RowKey = entity.RowKey,
                 LastUpdated = entity.GetDateTime("LastUpdated") ?? DateTime.UtcNow,
                 UpdatedBy = entity.GetString("UpdatedBy") ?? "Unknown",
-                GlobalRateLimitRequestsPerMinute = entity.GetInt32("GlobalRateLimitRequestsPerMinute") ?? 100
+                GlobalRateLimitRequestsPerMinute = entity.GetInt32("GlobalRateLimitRequestsPerMinute") ?? 100,
+                PlatformStatsBlobSasUrl = entity.GetString("PlatformStatsBlobSasUrl") ?? string.Empty
             };
         }
     }

src/Backend/AutopilotMonitor.Functions/Services/MaintenanceService.cs

@@ -1,9 +1,13 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.IO;
 using System.Linq;
+using System.Text;
 using System.Threading.Tasks;
 using AutopilotMonitor.Shared.Models;
+using Azure.Storage.Blobs;
+using Azure.Storage.Blobs.Models;
 using Microsoft.Extensions.Logging;
 using Newtonsoft.Json;
 
@@ -38,17 +42,24 @@ namespace AutopilotMonitor.Functions.Services
         private readonly TableStorageService _storageService;
         private readonly TenantConfigurationService _tenantConfigService;
         private readonly UsageMetricsService _usageMetricsService;
+        private readonly AdminConfigurationService _adminConfigurationService;
         private readonly ILogger<MaintenanceService> _logger;
 
+        private const string PlatformStatsAliasFileName = "platform-stats.json";
+        private const string PlatformStatsAliasCacheControl = "public, max-age=300, stale-while-revalidate=86400";
+        private const string PlatformStatsVersionedCacheControl = "public, max-age=31536000, immutable";
+
         public MaintenanceService(
             TableStorageService storageService,
             TenantConfigurationService tenantConfigService,
             UsageMetricsService usageMetricsService,
+            AdminConfigurationService adminConfigurationService,
             ILogger<MaintenanceService> logger)
         {
             _storageService = storageService;
             _tenantConfigService = tenantConfigService;
             _usageMetricsService = usageMetricsService;
+            _adminConfigurationService = adminConfigurationService;
             _logger = logger;
         }
 
@@ -479,6 +490,7 @@ namespace AutopilotMonitor.Functions.Services
                 };
 
                 await _storageService.SavePlatformStatsAsync(stats);
+                await TryPublishPlatformStatsJsonAsync(stats);
 
                 sw.Stop();
                 _logger.LogInformation($"Platform stats recomputed in {sw.ElapsedMilliseconds}ms: " +
@@ -490,6 +502,75 @@ namespace AutopilotMonitor.Functions.Services
             }
         }
 
+        /// <summary>
+        /// Publishes versioned platform stats JSON + alias manifest to Blob Storage.
+        /// This must never fail maintenance execution.
+        /// </summary>
+        private async Task TryPublishPlatformStatsJsonAsync(PlatformStats stats)
+        {
+            try
+            {
+                var adminConfig = await _adminConfigurationService.GetConfigurationAsync();
+                var containerSasUrl = adminConfig.PlatformStatsBlobSasUrl?.Trim();
+
+                if (string.IsNullOrWhiteSpace(containerSasUrl))
+                {
+                    _logger.LogInformation("Skipping platform stats JSON publish: PlatformStatsBlobSasUrl is not configured.");
+                    return;
+                }
+
+                var containerClient = new BlobContainerClient(new Uri(containerSasUrl));
+                var generatedAtUtc = DateTime.UtcNow;
+                var versionedFileName = $"platform-stats.{generatedAtUtc:yyyy-MM-dd}.json";
+
+                var versionedPayload = new
+                {
+                    totalEnrollments = stats.TotalEnrollments,
+                    totalUsers = stats.TotalUsers,
+                    totalTenants = stats.TotalTenants,
+                    uniqueDeviceModels = stats.UniqueDeviceModels,
+                    totalEventsProcessed = stats.TotalEventsProcessed,
+                    successfulEnrollments = stats.SuccessfulEnrollments,
+                    issuesDetected = stats.IssuesDetected,
+                    lastFullCompute = stats.LastFullCompute,
+                    lastUpdated = stats.LastUpdated
+                };
+
+                var aliasPayload = new
+                {
+                    latest = versionedFileName,
+                    generatedAtUtc = generatedAtUtc.ToString("o")
+                };
+
+                await UploadJsonBlobAsync(containerClient, versionedFileName, versionedPayload, PlatformStatsVersionedCacheControl);
+                await UploadJsonBlobAsync(containerClient, PlatformStatsAliasFileName, aliasPayload, PlatformStatsAliasCacheControl);
+
+                _logger.LogInformation(
+                    "Published platform stats JSON blobs: versioned={VersionedFile} and alias={AliasFile}",
+                    versionedFileName,
+                    PlatformStatsAliasFileName);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogWarning(ex, "Failed to publish platform stats JSON to Blob Storage. Maintenance continues.");
+            }
+        }
+
+        private async Task UploadJsonBlobAsync(BlobContainerClient containerClient, string blobName, object payload, string cacheControl)
+        {
+            var blobClient = containerClient.GetBlobClient(blobName);
+            var json = JsonConvert.SerializeObject(payload);
+            await using var stream = new MemoryStream(Encoding.UTF8.GetBytes(json));
+
+            await blobClient.UploadAsync(stream, overwrite: true);
+            await blobClient.SetHttpHeadersAsync(new BlobHttpHeaders
+            {
+                ContentType = "application/json; charset=utf-8",
+                CacheControl = cacheControl
+            });
+            await blobClient.SetAccessTierAsync(AccessTier.Hot);
+        }
+
         /// <summary>
         /// Calculates percentile value from sorted list
         /// </summary>

src/Shared/AutopilotMonitor.Shared/Models/AdminConfiguration.cs

@@ -39,6 +39,12 @@ namespace AutopilotMonitor.Shared.Models
         /// </summary>
         public int GlobalRateLimitRequestsPerMinute { get; set; } = 100;
 
+        /// <summary>
+        /// Container SAS URL used by maintenance to publish platform stats JSON files.
+        /// Expected format: https://{account}.blob.core.windows.net/{container}?sv=...&sig=...
+        /// </summary>
+        public string PlatformStatsBlobSasUrl { get; set; } = string.Empty;
+
         /// <summary>
         /// Creates default configuration
         /// </summary>
@@ -50,7 +56,8 @@ namespace AutopilotMonitor.Shared.Models
                 RowKey = "config",
                 LastUpdated = DateTime.UtcNow,
                 UpdatedBy = "System",
-                GlobalRateLimitRequestsPerMinute = 100
+                GlobalRateLimitRequestsPerMinute = 100,
+                PlatformStatsBlobSasUrl = string.Empty
             };
         }
     }

src/Web/autopilot-monitor-web/app/admin-configuration/page.tsx

@@ -12,6 +12,7 @@ interface AdminConfiguration {
   lastUpdated: string;
   updatedBy: string;
   globalRateLimitRequestsPerMinute: number;
+  platformStatsBlobSasUrl?: string;
   customSettings?: string;
 }
 
@@ -56,6 +57,7 @@ export default function AdminConfigurationPage() {
   const [loadingConfig, setLoadingConfig] = useState(false);
   const [savingConfig, setSavingConfig] = useState(false);
   const [globalRateLimit, setGlobalRateLimit] = useState(100);
+  const [platformStatsBlobSasUrl, setPlatformStatsBlobSasUrl] = useState("");
 
   // Tenant Management state
   const [tenants, setTenants] = useState<TenantConfiguration[]>([]);
@@ -122,6 +124,7 @@ export default function AdminConfigurationPage() {
         const data: AdminConfiguration = await response.json();
         setAdminConfig(data);
         setGlobalRateLimit(data.globalRateLimitRequestsPerMinute);
+        setPlatformStatsBlobSasUrl(data.platformStatsBlobSasUrl ?? "");
       } catch (err) {
         console.error("Error fetching admin configuration:", err);
         setError(err instanceof Error ? err.message : "Failed to load admin configuration");
@@ -262,6 +265,7 @@ export default function AdminConfigurationPage() {
       const updatedConfig: AdminConfiguration = {
         ...adminConfig,
         globalRateLimitRequestsPerMinute: globalRateLimit,
+        platformStatsBlobSasUrl: platformStatsBlobSasUrl.trim(),
       };
 
       const token = await getAccessToken();
@@ -299,6 +303,7 @@ export default function AdminConfigurationPage() {
   const handleResetAdminConfig = () => {
     if (!adminConfig) return;
     setGlobalRateLimit(adminConfig.globalRateLimitRequestsPerMinute);
+    setPlatformStatsBlobSasUrl(adminConfig.platformStatsBlobSasUrl ?? "");
     setSuccessMessage(null);
     setError(null);
   };
@@ -1008,6 +1013,26 @@ export default function AdminConfigurationPage() {
                       </label>
                     </div>
 
+                    <div>
+                      <label className="block">
+                        <span className="text-gray-700 font-medium">Platform Stats Blob Container SAS URL</span>
+                        <p className="text-sm text-gray-600 mb-2">
+                          Maintenance publishes two files into this container:
+                          <code className="ml-1 mr-1 text-xs">platform-stats.json</code>
+                          and
+                          <code className="ml-1 text-xs">platform-stats.YYYY-MM-DD.json</code>.
+                          The upload is best-effort and does not fail the maintenance run.
+                        </p>
+                        <input
+                          type="url"
+                          value={platformStatsBlobSasUrl}
+                          onChange={(e) => setPlatformStatsBlobSasUrl(e.target.value)}
+                          placeholder="https://storageaccount.blob.core.windows.net/publicstats?sv=...&sig=..."
+                          className="mt-1 block w-full px-4 py-2 border border-gray-300 rounded-lg text-gray-900 placeholder-gray-400 focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500 transition-colors font-mono text-sm"
+                        />
+                      </label>
+                    </div>
+
                     {adminConfig && (
                       <div className="bg-blue-50 border border-blue-200 rounded-lg p-3">
                         <div className="flex items-start space-x-2">

src/Web/autopilot-monitor-web/app/landing/page.tsx

@@ -3,15 +3,28 @@
 import { useAuth } from "../../contexts/AuthContext";
 import { useTheme } from "../../contexts/ThemeContext";
 import { useRouter } from "next/navigation";
-import { useEffect } from "react";
+import { useEffect, useState } from "react";
 
-// Static platform stats - manually updated periodically
-const PLATFORM_STATS = {
+interface PlatformStatsManifest {
+  latest: string;
+  generatedAtUtc: string;
+}
+
+interface PlatformStatsPayload {
+  totalEnrollments?: number;
+  totalTenants?: number;
+  uniqueDeviceModels?: number;
+}
+
+const DEFAULT_PLATFORM_STATS = {
   totalEnrollments: 123,
   totalTenants: 2,
   uniqueDeviceModels: 1,
 };
 
+const PLATFORM_STATS_MANIFEST_URL =
+  process.env.NEXT_PUBLIC_PLATFORM_STATS_MANIFEST_URL || "/platform-stats.json";
+
 const QUICK_START = [
   {
     title: "Sign in and grant access",
@@ -116,6 +129,7 @@ export default function LandingPage() {
   const { login, isAuthenticated, isLoading, user, isPreviewBlocked } = useAuth();
   const { theme, toggleTheme } = useTheme();
   const router = useRouter();
+  const [platformStats, setPlatformStats] = useState(DEFAULT_PLATFORM_STATS);
 
   // Redirect after login: preview-blocked → /preview, admins → /, users → /progress
   useEffect(() => {
@@ -130,6 +144,48 @@ export default function LandingPage() {
     }
   }, [isAuthenticated, isLoading, user, isPreviewBlocked, router]);
 
+  useEffect(() => {
+    let cancelled = false;
+
+    const loadPlatformStats = async () => {
+      try {
+        const manifestResponse = await fetch(PLATFORM_STATS_MANIFEST_URL, { cache: "force-cache" });
+        if (!manifestResponse.ok) {
+          return;
+        }
+
+        const manifest = (await manifestResponse.json()) as PlatformStatsManifest;
+        if (!manifest?.latest) {
+          return;
+        }
+
+        const versionedUrl = new URL(manifest.latest, manifestResponse.url).toString();
+        const statsResponse = await fetch(versionedUrl, { cache: "force-cache" });
+        if (!statsResponse.ok) {
+          return;
+        }
+
+        const payload = (await statsResponse.json()) as PlatformStatsPayload;
+        if (cancelled) {
+          return;
+        }
+
+        setPlatformStats({
+          totalEnrollments: payload.totalEnrollments ?? DEFAULT_PLATFORM_STATS.totalEnrollments,
+          totalTenants: payload.totalTenants ?? DEFAULT_PLATFORM_STATS.totalTenants,
+          uniqueDeviceModels: payload.uniqueDeviceModels ?? DEFAULT_PLATFORM_STATS.uniqueDeviceModels,
+        });
+      } catch {
+        // Keep defaults if manifest/versioned files are not reachable.
+      }
+    };
+
+    loadPlatformStats();
+    return () => {
+      cancelled = true;
+    };
+  }, []);
+
   if (isLoading) {
     return (
       <div className="landing-page min-h-screen bg-gradient-to-br from-blue-50 via-indigo-50 to-purple-50 flex items-center justify-center">
@@ -256,11 +312,11 @@ export default function LandingPage() {
 
             {/* Platform Stats - compact inline */}
             <div className="mt-10 flex items-center justify-center gap-6 text-xs text-gray-400">
-              <span><span className="font-semibold text-gray-600">{PLATFORM_STATS.totalEnrollments.toLocaleString()}</span> enrollments monitored</span>
+              <span><span className="font-semibold text-gray-600">{platformStats.totalEnrollments.toLocaleString()}</span> enrollments monitored</span>
               <span className="w-px h-3 bg-gray-300" />
-              <span><span className="font-semibold text-gray-600">{PLATFORM_STATS.totalTenants.toLocaleString()}</span> organizations</span>
+              <span><span className="font-semibold text-gray-600">{platformStats.totalTenants.toLocaleString()}</span> organizations</span>
               <span className="w-px h-3 bg-gray-300" />
-              <span><span className="font-semibold text-gray-600">{PLATFORM_STATS.uniqueDeviceModels.toLocaleString()}</span> device models</span>
+              <span><span className="font-semibold text-gray-600">{platformStats.uniqueDeviceModels.toLocaleString()}</span> device models</span>
             </div>
 
             {/* Product Preview Showcase */}