{ "project": "mosaic-stack", "milestone": "M6-AgentOrchestration", "created_at": "2026-02-05T20:00:00Z", "learnings": [ { "task_id": "MS-SEC-001", "task_type": "AUTH_ADD", "estimate_k": 15, "actual_k": 0.3, "variance_pct": -98, "characteristics": { "file_count": 1, "keywords": ["authentication", "orchestrator API", "ApiKeyGuard"] }, "analysis": "CRITICAL VARIANCE - Investigate. Possible causes: (1) Auth already existed, (2) Task was trivial decorator addition, (3) Reporting error. Need to verify task completion quality.", "flags": ["CRITICAL", "NEEDS_INVESTIGATION"], "captured_at": "2026-02-05T15:30:00Z" }, { "task_id": "MS-SEC-003", "task_type": "ERROR_HANDLING", "estimate_k": 8, "actual_k": 18.5, "variance_pct": 131, "characteristics": { "file_count": 4, "keywords": ["secret scanner", "error state", "scan result type", "Zod schema"] }, "analysis": "CRITICAL VARIANCE - Task required adding new fields to existing type, updating all callers, modifying error messages, comprehensive error path tests. Type interface changes cascade through codebase.", "flags": ["CRITICAL"], "captured_at": "2026-02-05T16:42:00Z" }, { "task_id": "MS-SEC-006", "task_type": "CONFIG_DEFAULT_CHANGE", "estimate_k": 10, "actual_k": 18, "variance_pct": 80, "characteristics": { "file_count": 3, "keywords": ["Docker sandbox", "default enabled", "security warning", "config test"] }, "analysis": "Underestimated test coverage needed. New config test file (8 tests) + security warning tests (2 tests) required more tokens than simple default flip.", "flags": [], "captured_at": "2026-02-05T16:05:00Z" }, { "task_id": "MS-SEC-010", "task_type": "INPUT_VALIDATION", "estimate_k": 5, "actual_k": 8.5, "variance_pct": 70, "characteristics": { "file_count": 2, "keywords": ["OAuth callback", "error sanitization", "allowlist", "encodeURIComponent"] }, "analysis": "Underestimated allowlist complexity. Required 18 OAuth 2.0/OIDC error codes, URL encoding for all params, and 5 comprehensive security tests.", "flags": [], "captured_at": "2026-02-05T16:36:00Z" }, { "task_id": "MS-SEC-011", "task_type": "CONFIG_EXTERNALIZATION", "estimate_k": 8, "actual_k": 15, "variance_pct": 87.5, "characteristics": { "file_count": 2, "keywords": ["OIDC", "federation", "env vars", "trailing slash normalization"] }, "analysis": "Underestimated integration complexity. Required reusing auth.config OIDC vars, handling trailing slash differences between auth config and JWT validation, adding fail-fast logic, and 5 new tests.", "flags": [], "captured_at": "2026-02-05T16:45:00Z" }, { "task_id": "MS-SEC-012", "task_type": "BUG_FIX_SIMPLE", "estimate_k": 3, "actual_k": 12.5, "variance_pct": 317, "characteristics": { "file_count": 2, "keywords": ["boolean logic", "nullish coalescing", "ReactFlow", "handleDeleteSelected"] }, "analysis": "CRITICAL VARIANCE - Estimate was for simple operator change (?? to ||), but task expanded to add 13 comprehensive tests covering all boolean logic scenarios. 'Simple fix' tasks with untested code should include test addition in estimate.", "flags": ["CRITICAL"], "captured_at": "2026-02-05T16:55:00Z" }, { "task_id": "MS-HIGH-001", "task_type": "NULLABLE_REFACTOR", "estimate_k": 8, "actual_k": 12.5, "variance_pct": 56, "characteristics": { "file_count": 2, "keywords": ["OpenAI", "nullable client", "embedding service", "graceful degradation"] }, "analysis": "Making a service client nullable requires updating all call sites with null checks and adding tests for the unconfigured path. Estimate should include caller updates.", "flags": [], "captured_at": "2026-02-05T17:27:00Z" }, { "task_id": "MS-HIGH-004", "task_type": "OBSERVABILITY_ADD", "estimate_k": 10, "actual_k": 22, "variance_pct": 120, "characteristics": { "file_count": 2, "keywords": ["rate limiter", "fallback", "health check", "degraded mode"] }, "analysis": "CRITICAL VARIANCE - Adding observability to a service requires: (1) tracking state variables, (2) new methods for status exposure, (3) integration with health check system, (4) comprehensive test coverage for all states. Estimate 2x for 'add health check' tasks.", "flags": ["CRITICAL"], "captured_at": "2026-02-05T18:02:00Z" }, { "task_id": "MS-HIGH-006", "task_type": "RATE_LIMITING_ADD", "estimate_k": 8, "actual_k": 25, "variance_pct": 213, "characteristics": { "file_count": 3, "keywords": ["rate limiting", "catch-all route", "IP extraction", "X-Forwarded-For"] }, "analysis": "CRITICAL VARIANCE - Adding rate limiting requires: (1) understanding existing throttle infrastructure, (2) IP extraction helpers for proxy setups, (3) new test file for rate limit behavior, (4) Retry-After header testing. Estimate 3x for rate limiting tasks.", "flags": ["CRITICAL"], "captured_at": "2026-02-05T18:22:00Z" }, { "task_id": "MS-HIGH-007", "task_type": "CONFIG_VALIDATION", "estimate_k": 5, "actual_k": 18, "variance_pct": 260, "characteristics": { "file_count": 4, "keywords": ["UUID validation", "federation", "startup validation", "config file"] }, "analysis": "CRITICAL VARIANCE - 'Simple validation' tasks expand to: (1) new config module/file, (2) validation function with edge cases, (3) module init hook integration, (4) updating callers to use new config getter, (5) 18 comprehensive tests. Estimate 3-4x for config validation tasks.", "flags": ["CRITICAL"], "captured_at": "2026-02-05T18:35:00Z" }, { "task_id": "MS-HIGH-008", "task_type": "SECURITY_REFACTOR", "estimate_k": 12, "actual_k": 25, "variance_pct": 108, "characteristics": { "file_count": 5, "keywords": ["CSRF", "fetch replacement", "API client", "FormData upload"] }, "analysis": "CRITICAL VARIANCE - Routing fetch() through API client required: (1) adding new apiPostFormData() method for FormData, (2) finding additional calls not in original finding, (3) updating test mocks to handle CSRF fetches, (4) handling different Content-Type scenarios. Multi-file refactors expand beyond listed files.", "flags": ["CRITICAL"], "captured_at": "2026-02-05T18:50:00Z" }, { "task_id": "MS-HIGH-009", "task_type": "FEATURE_GATING", "estimate_k": 10, "actual_k": 30, "variance_pct": 200, "characteristics": { "file_count": 6, "keywords": ["NODE_ENV", "mock data", "Coming Soon component", "environment check"] }, "analysis": "CRITICAL VARIANCE - Feature gating requires: (1) creating reusable placeholder component, (2) tests for the component, (3) updating multiple pages, (4) environment-specific logic in each page. Creating reusable UI components adds significant overhead.", "flags": ["CRITICAL"], "captured_at": "2026-02-05T19:05:00Z" } ], "phase_summaries": [ { "phase": 4, "name": "Remaining Medium Findings", "issue": "#347", "total_tasks": 12, "completed": 12, "failed": 0, "deferred": 0, "total_estimate_k": 117, "total_actual_k": 231, "variance_pct": 97, "analysis": "Phase 4 estimates consistently under-predicted actual usage. Average task used 2x estimated tokens. Primary driver: DTO creation and comprehensive test suites expand scope beyond the core fix. The N+1 query fix (MS-P4-009) and TOCTOU race fix (MS-P4-010) were particularly complex. All 12 tasks completed successfully with zero failures.", "test_counts": { "api": 2397, "web": 653, "orchestrator": 642, "shared": 17, "ui": 11 }, "completed_at": "2026-02-06T14:22:00Z" } ], "proposed_adjustments": [ { "category": "AUTH_ADD", "current_heuristic": "15-25K", "proposed_heuristic": "NO CHANGE NEEDED", "confidence": "HIGH", "evidence": ["MS-SEC-001"], "notes": "Investigation complete: -98% variance was REPORTING ANOMALY, not estimation error. Actual implementation was 276 lines (guard + tests + docs). Token usage reporting may have bug. Heuristic is accurate." } ], "investigation_queue": [ { "task_id": "MS-SEC-001", "question": "Did this task actually add authentication, or was auth already present?", "priority": "HIGH", "status": "CLOSED", "resolution": "LEGITIMATE COMPLETION - Implementation verified: OrchestratorApiKeyGuard with 82 lines of guard code, 169 lines of tests, 6 files changed, 276 total lines. The 0.3K token usage was a REPORTING ANOMALY, not incomplete work.", "verified_at": "2026-02-05T20:30:00Z" } ] }