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+# Phase 1 Execution Checklist
+
+**Phase**: Central Platform Foundations
+**Started**: 2026-03-16
+**Completed**: 2026-03-16
+
+---
+
+## Work Package Status
+
+| WP | Description | Status | Date | Notes |
+|----|-------------|--------|------|-------|
+| WP-1 | Configuration Database — DbContext, Fluent API, Migration | [x] Complete | 2026-03-16 | 26 DbSets, 10 config classes, initial migration |
+| WP-2 | Repository Implementations (ISecurityRepository, ICentralUiRepository) | [x] Complete | 2026-03-16 | Full CRUD + audit log queries with pagination |
+| WP-3 | IAuditService with Transactional Guarantee | [x] Complete | 2026-03-16 | JSON serialization, same-transaction commit |
+| WP-4 | Optimistic Concurrency on Deployment Status | [x] Complete | 2026-03-16 | RowVersion on DeploymentRecord, last-write-wins on templates |
+| WP-5 | Seed Data | [x] Complete | 2026-03-16 | SCADA-Admins → Admin mapping |
+| WP-6 | LDAP Bind Service | [x] Complete | 2026-03-16 | Direct bind, TLS enforcement, AllowInsecureLdap for dev |
+| WP-7 | JWT Issuance, Sliding Refresh, Idle Timeout | [x] Complete | 2026-03-16 | HMAC-SHA256, 15-min refresh, 30-min idle |
+| WP-8 | Role Claim Extraction from LDAP Groups | [x] Complete | 2026-03-16 | Multi-role, site-scoped deployment accumulation |
+| WP-9 | Authorization Policies with Site-Scoped Deployment | [x] Complete | 2026-03-16 | Admin/Design/Deployment + SiteScopeAuthorizationHandler |
+| WP-10 | Shared Data Protection Keys | [x] Complete | 2026-03-16 | EF Core key storage, cross-instance validation tested |
+| WP-11 | Host — Startup Validation (REQ-HOST-4) | [x] Complete | 2026-03-16 | 19 validation rules, fail fast with clear errors |
+| WP-12 | Host — Readiness Gating /health/ready (REQ-HOST-4a) | [x] Complete | 2026-03-16 | DB + Akka health checks, 503 until ready |
+| WP-13 | Host — Akka.NET Bootstrap (REQ-HOST-6) | [x] Complete | 2026-03-16 | AkkaHostedService with HOCON config, cluster, remoting, SBR |
+| WP-14 | Host — Serilog Logging (REQ-HOST-8) | [x] Complete | 2026-03-16 | SiteId/NodeHostname/NodeRole enrichment, console + file sinks |
+| WP-15 | Host — Dead Letter Monitoring (REQ-HOST-8a) | [x] Complete | 2026-03-16 | DeadLetterMonitorActor with count tracking |
+| WP-16 | Host — CoordinatedShutdown (REQ-HOST-9) | [x] Complete | 2026-03-16 | CLR shutdown hook, no Environment.Exit |
+| WP-17 | Host — Windows Service (REQ-HOST-5) | [x] Complete | 2026-03-16 | UseWindowsService() in both startup paths |
+| WP-18 | Central UI — Blazor Server Shell | [x] Complete | 2026-03-16 | Bootstrap 5, role-aware NavMenu, LDAP mapping CRUD |
+| WP-19 | Central UI — Login/Logout Flow | [x] Complete | 2026-03-16 | LDAP auth → JWT → HTTP-only cookie |
+| WP-20 | Central UI — Role-Aware Navigation | [x] Complete | 2026-03-16 | AuthorizeView per role, route guards, redirect components |
+| WP-21 | Central UI — Failover Behavior | [x] Complete | 2026-03-16 | SignalR reconnection overlay, JWT survives, streams lost noted |
+| WP-22 | Integration Tests | [x] Complete | 2026-03-16 | Startup validation, auth flow, audit transactions, readiness |
+
+## Verification Gate
+
+| # | Gate Criterion | Pass | Notes |
+|---|---------------|------|-------|
+| 1 | Configuration Database creates full schema | [x] | 25 tables via initial migration |
+| 2 | Repositories pass CRUD integration tests | [x] | SecurityRepository + CentralUiRepository |
+| 3 | Audit Service transactional guarantee | [x] | Commit + rollback tests pass |
+| 4 | Optimistic concurrency works | [x] | DbUpdateConcurrencyException on stale deployment |
+| 5 | LDAP authentication works | [x] | Unit tests pass; GLAuth integration skipped (no server) |
+| 6 | JWT lifecycle correct | [x] | Claims, refresh, idle timeout all tested |
+| 7 | Role extraction correct | [x] | Multi-role, site-scoped, unrecognized groups |
+| 8 | Authorization policies enforce permissions | [x] | Admin/Design/Deployment + site scope |
+| 9 | Shared Data Protection keys work | [x] | Cross-instance protect/unprotect test |
+| 10 | Startup validation catches bad config | [x] | 19 validation rule tests |
+| 11 | Readiness gating works | [x] | /health/ready endpoint returns status |
+| 12 | Akka.NET boots with cluster config | [x] | AkkaHostedService creates ActorSystem |
+| 13 | Serilog enrichment works | [x] | SiteId/NodeHostname/NodeRole in output |
+| 14 | Dead letters logged and counted | [x] | TestKit verification |
+| 15 | CoordinatedShutdown triggers cleanly | [x] | HOCON config + no Environment.Exit |
+| 16 | Windows Service configured | [x] | UseWindowsService() present |
+| 17 | Blazor Server shell works | [x] | Login, dashboard, LDAP mappings, Bootstrap 5 |
+| 18 | Role-aware navigation works | [x] | AuthorizeView, route guards |
+| 19 | Failover behavior handled | [x] | Reconnection overlay, JWT survives |
+| 20 | End-to-end testable outcome | [x] | Integration tests cover auth flow + audit + startup |
+
+## Summary
+
+- **Total WPs**: 22/22 complete
+- **Tests**: 186 passed, 1 skipped (LDAP integration needs GLAuth), 0 failed
+- **Build**: 0 errors, 0 warnings
+- **Verification gate**: 20/20 pass
+- **Questions logged**: 0 (all pre-resolved)
+- **Codex review**: Skipped (best-effort per procedure)