feat(graph-api): Add schema review notes for upcoming Graph API changes

feat(sbomservice): Add placeholder for SHA256SUMS in LNM v1 fixtures

docs(devportal): Create README for SDK archives in public directory

build(devportal): Implement offline bundle build script

test(devportal): Add link checker script for validating links in documentation

test(devportal): Create performance check script for dist folder size

test(devportal): Implement accessibility check script using Playwright and Axe

docs(devportal): Add SDK quickstart guide with examples for Node.js, Python, and cURL

feat(excititor): Implement MongoDB storage for airgap import records

test(findings): Add unit tests for export filters hash determinism

feat(findings): Define attestation contracts for ledger web service

feat(graph): Add MongoDB options and service collection extensions for graph indexing

test(graph): Implement integration tests for MongoDB provider and service collection extensions

feat(zastava): Define configuration options for Zastava surface secrets

build(tests): Create script to run Concelier linkset tests with TRX output

src/Graph/StellaOps.Graph.Indexer/Infrastructure/MongoServiceCollectionExtensions.cs

@@ -0,0 +1,48 @@
+using System;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Options;
+using MongoDB.Driver;
+
+namespace StellaOps.Graph.Indexer.Infrastructure;
+
+public static class MongoServiceCollectionExtensions
+{
+    public static IServiceCollection AddGraphMongoDatabase(
+        this IServiceCollection services,
+        Action<MongoDatabaseOptions> configure)
+    {
+        ArgumentNullException.ThrowIfNull(services);
+        ArgumentNullException.ThrowIfNull(configure);
+
+        services.Configure(configure);
+
+        services.AddSingleton<IMongoClient>(sp =>
+        {
+            var opts = sp.GetRequiredService<IOptions<MongoDatabaseOptions>>().Value;
+            Validate(opts);
+            return new MongoClient(opts.ConnectionString);
+        });
+
+        services.AddSingleton<IMongoDatabase>(sp =>
+        {
+            var opts = sp.GetRequiredService<IOptions<MongoDatabaseOptions>>().Value;
+            Validate(opts);
+            return sp.GetRequiredService<IMongoClient>().GetDatabase(opts.DatabaseName);
+        });
+
+        return services;
+    }
+
+    private static void Validate(MongoDatabaseOptions options)
+    {
+        if (string.IsNullOrWhiteSpace(options.ConnectionString))
+        {
+            throw new InvalidOperationException("Mongo connection string must be provided.");
+        }
+
+        if (string.IsNullOrWhiteSpace(options.DatabaseName))
+        {
+            throw new InvalidOperationException("Mongo database name must be provided.");
+        }
+    }
+}