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**DEBT-016: VS-02 Dead Code Removal (Medium/Low - 2 pts)** - ✅ Deleted 3 dead-code files: - src/KArtSell.Host/Features/SecurityMaster/VS02_SyncSecurityMasterEndpoint.cs - src/KArtSell.Host/Features/SecurityMaster/VS02_SecurityMasterJobs.cs - src/KArtSell.Modules.ModelOperations/Domain/VS02_SecurityMasterPolicy.cs - ✅ Deleted empty SecurityMaster folder Verification: - Endpoints never registered (DISABLED comment in Program.cs) - Schema never created (no migration in git) - No references in codebase - Complies with AGENTS.md v16.0 "necessity-driven" principle **DEBT-024: Integration Test FK Handling (Low/Low - 1 pt)** - ✅ Verified: All DB tests (TradeExecutionTests) correctly seed parent rows - Every Trade creation calls SeedSellDecisionAsync() - Pure-logic tests don't touch DB - No FK constraint violations - Status: Already resolved in current codebase **TECH_DEBT_REGISTER Updates:** - DEBT-016: Backlog → Completed - DEBT-024: Backlog → Confirmed Already Resolved - Cumulative Q3 paydown: +2 pts (DEBT-007: 2 pts + DEBT-016: 2 pts = 4 pts = 100% of target) Governance: AGENTS.md v16.0 compliance - ✅ SOLID: Single responsibility (dead code removal is pure cleanup) - ✅ Necessity: No references, endpoints disabled, schema never created - ✅ Simplicity: Mechanical deletion, no behavior change - ✅ Traceability: DEBT-016 reference in commit message Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>