feat(auth)!: ScadaBridge retire SQL Server ApiKey entity + ApprovedApiKeyIds + legacy hashing; EF migration RetireInboundApiKeyStore; re-issue runbook + CHANGELOG (re-arch C5/E) — BREAKING: X-API-Key -> Bearer sbk_, keys re-issued

tests/ZB.MOM.WW.ScadaBridge.InboundAPI.Tests/Middleware/AuditWriteMiddlewareTests.cs

@@ -262,7 +262,8 @@ public class AuditWriteMiddlewareTests
         var mw = CreateMiddleware(_ =>
         {
             // The endpoint handler is expected to stash the resolved API key
-            // name here once ApiKeyValidator.ValidateAsync has succeeded.
+            // name here once the shared ZB.MOM.WW.Auth.ApiKeys verifier has
+            // authenticated the Bearer token.
             ctx.Items[AuditWriteMiddleware.AuditActorItemKey] = "integration-svc";
             ctx.Response.StatusCode = 200;
             return Task.CompletedTask;