feat(crypto): Complete Phase 2 - Configuration-driven crypto architecture with 100% compliance

## Summary This commit completes Phase 2 of the configuration-driven crypto architecture, achieving 100% crypto compliance by eliminating all hardcoded cryptographic implementations. ## Key Changes ### Phase 1: Plugin Loader Infrastructure - **Plugin Discovery System**: Created StellaOps.Cryptography.PluginLoader with manifest-based loading - **Configuration Model**: Added CryptoPluginConfiguration with regional profiles support - **Dependency Injection**: Extended DI to support plugin-based crypto provider registration - **Regional Configs**: Created appsettings.crypto.{international,russia,eu,china}.yaml - **CI Workflow**: Added .gitea/workflows/crypto-compliance.yml for audit enforcement ### Phase 2: Code Refactoring - **API Extension**: Added ICryptoProvider.CreateEphemeralVerifier for verification-only scenarios - **Plugin Implementation**: Created OfflineVerificationCryptoProvider with ephemeral verifier support - Supports ES256/384/512, RS256/384/512, PS256/384/512 - SubjectPublicKeyInfo (SPKI) public key format - **100% Compliance**: Refactored DsseVerifier to remove all BouncyCastle cryptographic usage - **Unit Tests**: Created OfflineVerificationProviderTests with 39 passing tests - **Documentation**: Created comprehensive security guide at docs/security/offline-verification-crypto-provider.md - **Audit Infrastructure**: Created scripts/audit-crypto-usage.ps1 for static analysis ### Testing Infrastructure (TestKit) - **Determinism Gate**: Created DeterminismGate for reproducibility validation - **Test Fixtures**: Added PostgresFixture and ValkeyFixture using Testcontainers - **Traits System**: Implemented test lane attributes for parallel CI execution - **JSON Assertions**: Added CanonicalJsonAssert for deterministic JSON comparisons - **Test Lanes**: Created test-lanes.yml workflow for parallel test execution ### Documentation - **Architecture**: Created CRYPTO_CONFIGURATION_DRIVEN_ARCHITECTURE.md master plan - **Sprint Tracking**: Created SPRINT_1000_0007_0002_crypto_refactoring.md (COMPLETE) - **API Documentation**: Updated docs2/cli/crypto-plugins.md and crypto.md - **Testing Strategy**: Created testing strategy documents in docs/implplan/SPRINT_5100_0007_* ## Compliance & Testing - ✅ Zero direct System.Security.Cryptography usage in production code - ✅ All crypto operations go through ICryptoProvider abstraction - ✅ 39/39 unit tests passing for OfflineVerificationCryptoProvider - ✅ Build successful (AirGap, Crypto plugin, DI infrastructure) - ✅ Audit script validates crypto boundaries ## Files Modified **Core Crypto Infrastructure:** - src/__Libraries/StellaOps.Cryptography/CryptoProvider.cs (API extension) - src/__Libraries/StellaOps.Cryptography/CryptoSigningKey.cs (verification-only constructor) - src/__Libraries/StellaOps.Cryptography/EcdsaSigner.cs (fixed ephemeral verifier) **Plugin Implementation:** - src/__Libraries/StellaOps.Cryptography.Plugin.OfflineVerification/ (new) - src/__Libraries/StellaOps.Cryptography.PluginLoader/ (new) **Production Code Refactoring:** - src/AirGap/StellaOps.AirGap.Importer/Validation/DsseVerifier.cs (100% compliant) **Tests:** - src/__Libraries/__Tests/StellaOps.Cryptography.Plugin.OfflineVerification.Tests/ (new, 39 tests) - src/__Libraries/__Tests/StellaOps.Cryptography.PluginLoader.Tests/ (new) **Configuration:** - etc/crypto-plugins-manifest.json (plugin registry) - etc/appsettings.crypto.*.yaml (regional profiles) **Documentation:** - docs/security/offline-verification-crypto-provider.md (600+ lines) - docs/implplan/CRYPTO_CONFIGURATION_DRIVEN_ARCHITECTURE.md (master plan) - docs/implplan/SPRINT_1000_0007_0002_crypto_refactoring.md (Phase 2 complete) ## Next Steps Phase 3: Docker & CI/CD Integration - Create multi-stage Dockerfiles with all plugins - Build regional Docker Compose files - Implement runtime configuration selection - Add deployment validation scripts 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2025-12-23 18:20:00 +02:00
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+# StellaOps Testing Strategy Master Plan (2026 H1)
+
+> **Executive Summary:** Comprehensive 14-week testing initiative to establish model-driven test coverage across 15 modules, implement 6 foundation epics, and achieve 30%+ code coverage increase platform-wide.
+
+---
+
+## Document Control
+
+| Attribute | Value |
+|-----------|-------|
+| **Program Name** | Testing Strategy Implementation 2026 H1 |
+| **Program ID** | SPRINT-5100 |
+| **Owner** | Project Management |
+| **Status** | PLANNING |
+| **Start Date** | 2026-01-06 (Week 1) |
+| **Target End Date** | 2026-04-14 (Week 14) |
+| **Budget** | TBD (resource model below) |
+| **Last Updated** | 2025-12-23 |
+
+---
+
+## Table of Contents
+1. [Program Objectives](#program-objectives)
+2. [Scope & Deliverables](#scope--deliverables)
+3. [Timeline & Phases](#timeline--phases)
+4. [Resource Model](#resource-model)
+5. [Risk Register](#risk-register)
+6. [Success Metrics](#success-metrics)
+7. [Governance](#governance)
+8. [Communication Plan](#communication-plan)
+
+---
+
+## Program Objectives
+
+### Primary Objectives
+
+1. **Establish Model-Driven Testing:** Implement 9 test models (L0, S1, T1, C1, W1, WK1, AN1, CLI1, PERF) across 15 modules
+2. **Increase Code Coverage:** Achieve ≥30% code coverage increase from baseline (current ~40% → target 70%+)
+3. **Enforce Quality Gates:** Implement determinism, architecture, and module-specific quality gates
+4. **Build Test Infrastructure:** Deliver 6 foundation epics (TestKit, Determinism, Storage, Connectors, WebService, Architecture)
+5. **Enable CI/CD Confidence:** Establish PR-gating and merge-gating test lanes
+
+### Secondary Objectives
+
+1. **Reduce Test Flakiness:** Achieve 100% deterministic test pass rate (eliminate timing-based failures)
+2. **Improve Developer Experience:** Standardize test patterns, reduce test authoring friction
+3. **Establish Parity Monitoring:** Continuous validation against competitor tools (Syft, Grype, Trivy, Anchore)
+4. **Document Test Strategy:** Create comprehensive testing guides and playbooks
+
+---
+
+## Scope & Deliverables
+
+### In-Scope
+
+#### Foundation Epics (Batch 5100.0007, 90 tasks)
+| Sprint ID | Epic | Deliverables |
+|-----------|------|--------------|
+| 5100.0007.0001 | Master Testing Strategy | Strategy docs, test runner scripts, trait standardization, Epic sprint creation |
+| 5100.0007.0002 | TestKit Foundations | DeterministicTime, DeterministicRandom, CanonicalJsonAssert, SnapshotAssert, PostgresFixture, ValkeyFixture, OtelCapture, HttpFixtureServer |
+| 5100.0007.0003 | Determinism Gate | Determinism manifest format, expanded integration tests, CI artifact storage, drift detection |
+| 5100.0007.0004 | Storage Harness | PostgresFixture (Testcontainers), ValkeyFixture, automatic migrations, schema isolation |
+| 5100.0007.0005 | Connector Fixtures | Fixture discipline, FixtureUpdater tool, pilot adoption in Concelier.Connector.NVD |
+| 5100.0007.0006 | WebService Contract | WebServiceFixture<TProgram>, contract test pattern, pilot adoption in Scanner.WebService |
+| 5100.0007.0007 | Architecture Tests | NetArchTest.Rules, lattice placement enforcement, PR-gating architecture tests |
+
+#### Module Test Implementations (Batch 5100.0009, 185 tasks)
+| Sprint ID | Module | Test Models | Deliverables |
+|-----------|--------|-------------|--------------|
+| 5100.0009.0001 | Scanner | L0, AN1, S1, T1, W1, WK1, PERF | 25 tasks: property tests, SBOM/reachability/verdict snapshots, determinism, WebService contract, Worker e2e, perf smoke |
+| 5100.0009.0002 | Concelier | C1, L0, S1, W1, AN1 | 18 tasks: connector fixtures (NVD/OSV/GHSA/CSAF), merge property tests, WebService contract, architecture enforcement |
+| 5100.0009.0003 | Excititor | C1, L0, S1, W1, WK1 | 21 tasks: connector fixtures (CSAF/OpenVEX), format export snapshots, preserve-prune tests, Worker e2e, architecture enforcement |
+| 5100.0009.0004 | Policy | L0, S1, W1 | 15 tasks: policy engine property tests, DSL roundtrip tests, verdict snapshots, unknown budget enforcement |
+| 5100.0009.0005 | Authority | L0, W1, C1 | 17 tasks: auth logic tests, connector fixtures (OIDC/SAML/LDAP), WebService contract, sign/verify integration |
+| 5100.0009.0006 | Signer | L0, W1, C1 | 17 tasks: canonical payload tests, crypto plugin tests (BouncyCastle/CryptoPro/eIDAS/SimRemote), WebService contract |
+| 5100.0009.0007 | Attestor | L0, W1 | 14 tasks: DSSE envelope tests, Rekor integration tests, attestation statement snapshots, WebService contract |
+| 5100.0009.0008 | Scheduler | L0, S1, W1, WK1 | 14 tasks: scheduling invariant property tests, storage idempotency, WebService contract, Worker e2e |
+| 5100.0009.0009 | Notify | L0, C1, S1, W1, WK1 | 18 tasks: connector fixtures (email/Slack/Teams/webhook), WebService contract, Worker e2e |
+| 5100.0009.0010 | CLI | CLI1 | 13 tasks: exit code tests, golden output tests, determinism tests |
+| 5100.0009.0011 | UI | W1 | 13 tasks: API contract tests, E2E smoke tests, accessibility tests |
+
+#### Infrastructure Test Implementations (Batch 5100.0010, 62 tasks)
+| Sprint ID | Module Family | Deliverables |
+|-----------|---------------|--------------|
+| 5100.0010.0001 | EvidenceLocker + Findings + Replay | Immutability tests, ledger determinism, replay token security, WebService contract |
+| 5100.0010.0002 | Graph + TimelineIndexer | Graph construction/traversal tests, indexer e2e, query determinism, WebService contract |
+| 5100.0010.0003 | Router + Messaging | Transport compliance suite (in-memory/TCP/TLS/Valkey/RabbitMQ), routing determinism, fuzz tests |
+| 5100.0010.0004 | AirGap | Bundle export/import determinism, policy analyzer tests, WebService contract, CLI tool tests |
+
+#### Quality Gates (Batch 5100.0008, 11 tasks)
+| Sprint ID | Purpose | Deliverables |
+|-----------|---------|--------------|
+| 5100.0008.0001 | Competitor Parity Testing | Parity test harness, fixture set (10-15 container images), comparison logic (SBOM/vuln/latency/errors), time-series storage, drift detection (>5% threshold) |
+
+### Out-of-Scope
+
+- ❌ **Performance optimization** (beyond PERF smoke tests for Scanner)
+- ❌ **UI/UX testing** (beyond W1 contract tests and E2E smoke tests)
+- ❌ **Load testing** (deferred to future sprint)
+- ❌ **Chaos engineering** (deferred to future sprint)
+- ❌ **Mobile/responsive testing** (not applicable - server-side platform)
+- ❌ **Penetration testing** (separate security initiative)
+
+---
+
+## Timeline & Phases
+
+### Master Timeline (14 Weeks, 2026-01-06 to 2026-04-14)
+
+```
+PHASE 1: FOUNDATION (Weeks 1-4)
+┌─────────────────────────────────────────────────────────────┐
+│ Week 1-2: Master Strategy (5100.0007.0001)                  │
+│  - Documentation sync                                        │
+│  - Test runner scripts                                       │
+│  - Trait standardization                                     │
+│  - Epic sprint creation                                      │
+│                                                              │
+│ Week 3-4: TestKit Foundations (5100.0007.0002) ← CRITICAL   │
+│  - DeterministicTime, DeterministicRandom                    │
+│  - CanonicalJsonAssert, SnapshotAssert                       │
+│  - PostgresFixture, ValkeyFixture, OtelCapture               │
+└─────────────────────────────────────────────────────────────┘
+
+PHASE 2: EPIC IMPLEMENTATION (Weeks 5-6)
+┌─────────────────────────────────────────────────────────────┐
+│ Week 5-6: 5 Epic Sprints (PARALLEL)                         │
+│  - 5100.0007.0003 (Determinism Gate)                         │
+│  - 5100.0007.0004 (Storage Harness)                          │
+│  - 5100.0007.0005 (Connector Fixtures)                       │
+│  - 5100.0007.0006 (WebService Contract)                      │
+│  - 5100.0007.0007 (Architecture Tests)                       │
+└─────────────────────────────────────────────────────────────┘
+
+PHASE 3: MODULE TESTS - TIER 1 (Weeks 7-8)
+┌─────────────────────────────────────────────────────────────┐
+│ Week 7-8: 6 Module Sprints (PARALLEL)                       │
+│  - Scanner, Concelier, Excititor (core platform)            │
+│  - Policy, Authority, Signer (security/compliance)          │
+└─────────────────────────────────────────────────────────────┘
+
+PHASE 4: MODULE TESTS - TIER 2 (Weeks 9-10)
+┌─────────────────────────────────────────────────────────────┐
+│ Week 9-10: 5 Module Sprints (PARALLEL)                      │
+│  - Attestor, Scheduler, Notify (platform services)          │
+│  - CLI, UI (client interfaces)                              │
+└─────────────────────────────────────────────────────────────┘
+
+PHASE 5: INFRASTRUCTURE TESTS (Weeks 11-14)
+┌─────────────────────────────────────────────────────────────┐
+│ Week 11-14: 4 Infrastructure Sprints (PARALLEL)             │
+│  - EvidenceLocker, Graph, Router/Messaging, AirGap          │
+└─────────────────────────────────────────────────────────────┘
+
+ONGOING: QUALITY GATES (Weeks 3-14+)
+┌─────────────────────────────────────────────────────────────┐
+│ Week 3: Competitor Parity harness setup                     │
+│ Week 4+: Nightly/weekly parity tests                        │
+└─────────────────────────────────────────────────────────────┘
+```
+
+### Critical Path (14 Weeks)
+
+**Week 1-2:** Master Strategy → **Week 3-4:** TestKit ← **BOTTLENECK** → **Week 5-6:** Epic Implementation → **Week 7-10:** Module Tests → **Week 11-14:** Infrastructure Tests
+
+**Critical Path Risks:**
+- TestKit delay → ALL downstream sprints blocked (+2-4 weeks)
+- Storage harness delay → 10 sprints blocked (+2-3 weeks)
+
+### Milestones
+
+| Milestone | Week | Deliverables | Sign-Off Criteria |
+|-----------|------|--------------|-------------------|
+| **M1: Foundation Ready** | Week 4 | TestKit operational | DeterministicTime, SnapshotAssert, PostgresFixture, OtelCapture available; pilot adoption in 2+ modules |
+| **M2: Epic Complete** | Week 6 | All 6 foundation epics complete | Determinism gate in CI; Storage harness operational; WebService contract tests in Scanner; Architecture tests PR-gating |
+| **M3: Core Modules Tested** | Week 8 | Scanner, Concelier, Excititor, Policy, Authority, Signer complete | Code coverage increase ≥30%; quality gates passing |
+| **M4: All Modules Tested** | Week 10 | All 11 module test sprints complete | All module-specific quality gates passing |
+| **M5: Program Complete** | Week 14 | All infrastructure tests complete; program retrospective | All sprints signed off; final metrics review |
+
+---
+
+## Resource Model
+
+### Guild Allocation
+
+| Guild | Assigned Sprints | Peak Staffing (Weeks 7-10) | Avg Sprint Ownership |
+|-------|------------------|----------------------------|----------------------|
+| **Platform Guild** | TestKit, Storage, Architecture, EvidenceLocker, Graph, Router | 10 engineers | 6 sprints |
+| **Scanner Guild** | Scanner | 3 engineers | 1 sprint |
+| **Concelier Guild** | Concelier | 2 engineers | 1 sprint |
+| **Excititor Guild** | Excititor | 2 engineers | 1 sprint |
+| **Policy Guild** | Policy, AirGap (analyzers) | 2-4 engineers | 2 sprints |
+| **Authority Guild** | Authority | 2 engineers | 1 sprint |
+| **Crypto Guild** | Signer, Attestor | 4 engineers | 2 sprints |
+| **Scheduler Guild** | Scheduler | 2 engineers | 1 sprint |
+| **Notify Guild** | Notify | 2 engineers | 1 sprint |
+| **CLI Guild** | CLI | 1 engineer | 1 sprint |
+| **UI Guild** | UI | 2 engineers | 1 sprint |
+| **AirGap Guild** | AirGap (core) | 2 engineers | 1 sprint |
+| **QA Guild** | Competitor Parity | 2 engineers | 1 sprint |
+
+### Staffing Profile
+
+**Peak Staffing (Weeks 7-10):** 22-26 engineers
+**Average Staffing (Weeks 1-14):** 12-16 engineers
+**Critical Path Sprints (TestKit, Storage):** 3-4 senior engineers each
+
+### Resource Constraints
+
+| Constraint | Impact | Mitigation |
+|------------|--------|------------|
+| Platform Guild oversubscribed (10 engineers, 6 sprints) | Burnout, delays | Stagger Epic sprints (Storage Week 5, Connectors Week 6); hire contractors for Weeks 5-10 |
+| Senior engineers limited (5-6 available) | TestKit/Storage quality risk | Assign 2 senior engineers to TestKit (critical path); 1 senior to Storage; rotate for reviews |
+| UI Guild availability (Angular expertise scarce) | UI sprint delayed | Start UI sprint Week 10 (after Tier 1/2 modules); hire Angular contractor if needed |
+
+---
+
+## Risk Register
+
+### High-Impact Risks (Severity: CRITICAL)
+
+| ID | Risk | Probability | Impact | Mitigation | Owner | Status |
+|----|------|-------------|--------|------------|-------|--------|
+| R1 | TestKit delayed by 2+ weeks | MEDIUM | Blocks ALL 15 module/infra sprints; +4-6 weeks program delay | Staff with 2 senior engineers; daily standups; incremental releases (partial TestKit unblocks some modules) | Platform Guild | OPEN |
+| R2 | Storage harness (Testcontainers) incompatible with .NET 10 | LOW | Blocks 10 sprints; +3-4 weeks delay | Validate Testcontainers compatibility Week 1; fallback to manual Postgres setup | Platform Guild | OPEN |
+| R3 | Determinism tests fail due to non-deterministic crypto signatures | MEDIUM | Scanner, Signer, Attestor blocked; compliance issues | Focus determinism tests on payload hash (not signature bytes); document non-deterministic algorithms | Crypto Guild | OPEN |
+| R4 | Concurrent module tests overwhelm CI infrastructure | HIGH | Test suite timeout, flaky tests, developer friction | Stagger module test starts (Tier 1 Week 7-8, Tier 2 Week 9-10); use dedicated CI runners; implement CI parallelization | Platform Guild | OPEN |
+
+### Medium-Impact Risks
+
+| ID | Risk | Probability | Impact | Mitigation | Owner | Status |
+|----|------|-------------|--------|------------|-------|--------|
+| R5 | Attestor-Signer circular dependency blocks integration tests | MEDIUM | Integration tests delayed 1-2 weeks | Signer uses mock attestation initially; coordinate integration in Week 9 | Crypto Guild | OPEN |
+| R6 | Upstream schema drift (NVD, OSV) breaks connector fixtures | MEDIUM | Connector tests fail; manual fixture regeneration required | FixtureUpdater tool automates regeneration; weekly live smoke tests detect drift early | Concelier Guild | OPEN |
+| R7 | WebService contract tests too brittle (fail on every API change) | MEDIUM | Developer friction, contract tests disabled | Version APIs explicitly; allow non-breaking changes; review contract test strategy Week 6 | Platform Guild | OPEN |
+
+### Low-Impact Risks
+
+| ID | Risk | Probability | Impact | Mitigation | Owner | Status |
+|----|------|-------------|--------|------------|-------|--------|
+| R8 | Property test generation too slow (FsCheck iterations high) | LOW | Test suite timeout | Limit property test iterations (default 100 → 50); profile and optimize generators | Scanner Guild | OPEN |
+| R9 | Architecture tests false positive (allowlist too restrictive) | LOW | Valid code blocked | Review architecture rules Week 5; explicit allowlist for test projects, benchmarks | Platform Guild | OPEN |
+| R10 | Competitor parity tests require paid Trivy/Anchore licenses | LOW | Parity testing incomplete | Use Trivy free tier; defer Anchore to future sprint; focus on Syft/Grype (OSS) | QA Guild | OPEN |
+
+### Risk Burn-Down Plan
+
+**Week 1:** Validate Testcontainers .NET 10 compatibility (R2)
+**Week 2:** TestKit API design review (R1)
+**Week 4:** Determinism test strategy review (R3)
+**Week 6:** CI infrastructure capacity review (R4)
+**Week 8:** Signer-Attestor integration coordination (R5)
+
+---
+
+## Success Metrics
+
+### Quantitative Metrics
+
+| Metric | Baseline | Target | Measurement Method | Tracked By |
+|--------|----------|--------|-------------------|------------|
+| **Code Coverage** | ~40% | ≥70% | `dotnet test --collect:"XPlat Code Coverage"` | Weekly (Fridays) |
+| **Test Count** | ~200 tests | ≥500 tests | Test suite execution count | Weekly |
+| **Determinism Pass Rate** | N/A (not tracked) | 100% (no flaky tests) | Determinism gate CI job | Daily (CI) |
+| **Contract Test Coverage** | 0 WebServices | 13 WebServices (100%) | Contract lane CI job | Weekly |
+| **Architecture Violations** | Unknown | 0 violations | Architecture test failures | Daily (CI, PR gate) |
+| **Sprint On-Time Completion** | N/A | ≥80% | Tasks complete by wave deadline | Weekly |
+
+### Qualitative Metrics
+
+| Metric | Success Criteria | Measurement Method | Tracked By |
+|--------|------------------|-------------------|------------|
+| **Developer Experience** | ≥80% of developers rate test authoring as "easy" or "very easy" | Post-sprint developer survey (Week 14) | Project Manager |
+| **Test Maintainability** | ≥75% of test failures are due to actual bugs (not test brittleness) | Monthly test failure classification | QA Guild |
+| **Integration Confidence** | ≥90% of PRs pass CI on first attempt (no test fixes required) | CI metrics (PR pass rate) | Platform Guild |
+
+### Program Success Criteria
+
+✅ **Program Successful If:**
+- All 22 sprints signed off (5100.0007.* + 5100.0008.0001 + 5100.0009.* + 5100.0010.*)
+- Code coverage ≥70% platform-wide
+- Determinism tests passing 100% in CI (no flaky tests)
+- Contract tests enforced for all 13 WebServices
+- Architecture tests PR-gating (lattice boundary violations blocked)
+
+❌ **Program Failed If:**
+- <18 sprints signed off (<80% completion)
+- Code coverage increase <20% (baseline ~40% → <60%)
+- Critical quality gates missing (Determinism, Architecture, Contract)
+- TestKit not operational (blocking all module tests)
+
+---
+
+## Governance
+
+### Steering Committee
+
+| Role | Name | Responsibility |
+|------|------|----------------|
+| **Program Sponsor** | CTO | Final escalation; budget approval |
+| **Program Manager** | Project Management | Overall program coordination; risk management |
+| **Technical Lead** | Platform Guild Lead | Architecture decisions; technical escalation |
+| **QA Lead** | QA Guild Lead | Quality gate oversight; test strategy validation |
+
+### Decision-Making Authority
+
+| Decision Type | Authority | Escalation Path |
+|---------------|-----------|----------------|
+| **Sprint scope changes** | Sprint owner + Guild lead | Program Manager → Steering Committee |
+| **Architecture changes** | Platform Guild Lead | Steering Committee |
+| **Resource allocation** | Program Manager | CTO (if >10% budget impact) |
+| **Schedule changes (>1 week)** | Program Manager | Steering Committee |
+| **Risk acceptance** | Program Manager | Steering Committee (for HIGH/CRITICAL risks) |
+
+### Status Reporting
+
+**Weekly Status Report (Fridays):**
+- Sprint completion status (% tasks complete)
+- Blockers and risks (RED/YELLOW/GREEN)
+- Resource allocation (current vs. planned)
+- Next week preview
+
+**Monthly Executive Summary:**
+- Program health (on-track / at-risk / off-track)
+- Milestone completion (M1-M5)
+- Budget vs. actuals
+- Key risks and mitigations
+
+### Change Control
+
+**Change Request Process:**
+1. **Requester submits change request** (scope, schedule, or resource change)
+2. **Program Manager reviews** (impact analysis: cost, schedule, quality)
+3. **Steering Committee approves/rejects** (for changes >1 week or >10% budget)
+4. **Program Manager updates plan** (timeline, resource model, risk register)
+
+---
+
+## Communication Plan
+
+### Stakeholders
+
+| Stakeholder Group | Interest | Communication Frequency | Method |
+|-------------------|----------|------------------------|--------|
+| **Engineering Teams (Guilds)** | Sprint execution, dependencies | Daily/Weekly | Slack #testing-strategy, guild standups |
+| **Guild Leads** | Sprint status, blockers | Weekly | Friday status sync (30 min) |
+| **Product Management** | Quality gates, feature readiness | Bi-weekly | Sprint demos, monthly exec summary |
+| **CTO / Executives** | Program health, budget | Monthly | Executive summary (email) |
+
+### Meetings
+
+#### Weekly Sync (Every Friday, 30 min)
+**Attendees:** All active sprint owners + program manager
+**Agenda:**
+1. Sprint status updates (green/yellow/red) (15 min)
+2. Blocker escalation (10 min)
+3. Next week preview (5 min)
+
+#### Monthly Steering Committee (First Monday, 60 min)
+**Attendees:** Steering Committee (CTO, Program Manager, Platform Guild Lead, QA Lead)
+**Agenda:**
+1. Program health review (on-track / at-risk / off-track) (20 min)
+2. Milestone completion (M1-M5) (15 min)
+3. Budget vs. actuals (10 min)
+4. Risk review (top 3 risks) (10 min)
+5. Decisions required (5 min)
+
+#### Retrospective (Week 14, 90 min)
+**Attendees:** All guild leads + program manager + steering committee
+**Agenda:**
+1. Program retrospective (what went well, what didn't, lessons learned) (60 min)
+2. Metrics review (code coverage, test count, determinism, etc.) (20 min)
+3. Future improvements (next testing initiatives) (10 min)
+
+---
+
+## Appendices
+
+### Appendix A: Sprint Inventory
+
+**Total Sprints:** 22
+- Foundation Epics: 7 (5100.0007.0001-0007)
+- Quality Gates: 1 (5100.0008.0001)
+- Module Tests: 11 (5100.0009.0001-0011)
+- Infrastructure Tests: 4 (5100.0010.0001-0004)
+
+**Total Tasks:** ~370 tasks
+**Total Estimated Effort:** ~450 engineer-days (assuming avg 1.2 days/task)
+
+### Appendix B: Reference Documents
+
+1. **Advisory:** `docs/product-advisories/22-Dec-2026 - Better testing strategy.md`
+2. **Test Catalog:** `docs/testing/TEST_CATALOG.yml`
+3. **Test Models:** `docs/testing/testing-strategy-models.md`
+4. **Dependency Graph:** `docs/testing/SPRINT_DEPENDENCY_GRAPH.md`
+5. **Coverage Matrix:** `docs/testing/TEST_COVERAGE_MATRIX.md`
+6. **Execution Playbook:** `docs/testing/SPRINT_EXECUTION_PLAYBOOK.md`
+
+### Appendix C: Budget Estimate (Preliminary)
+
+**Assumptions:**
+- Average engineer cost: $150/hour (fully loaded)
+- Average sprint duration: 80 hours (2 weeks × 40 hours)
+- Peak staffing: 22 engineers (Weeks 7-10)
+
+**Budget Estimate:**
+- Foundation Phase (Weeks 1-6): 12 engineers × 240 hours × $150 = $432,000
+- Module Tests Phase (Weeks 7-10): 22 engineers × 160 hours × $150 = $528,000
+- Infrastructure Phase (Weeks 11-14): 8 engineers × 160 hours × $150 = $192,000
+- **Total Estimated Cost:** $1,152,000
+
+**Note:** Final budget requires approval from CTO/Finance. Contractor costs may reduce total if used strategically for peak staffing (Weeks 7-10).
+
+---
+
+**Prepared by:** Project Management
+**Approval Required From:** Steering Committee (CTO, Program Manager, Platform Guild Lead, QA Lead)
+**Date:** 2025-12-23
+**Next Review:** 2026-01-06 (Week 1 kickoff)