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Closes #012 - Implement Sloan Ratio Accrual Radar

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Antigravity Agent
2026-06-13 12:56:52 +02:00
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@@ -89,5 +89,23 @@ This document tracks all modifications, npm packages, active compilation states,
* **Active Bugs**: None.
* **Type Checker Status**: Verified clean compilation (`npx tsc --noEmit` returns exit code 0).
---
## [2026-06-13] - Sloan Ratio Accrual Radar (Phase 4.9 / Ebene 4) (#ISSUE-012)
### Added
* **Sloan Accrual Radar Solver**: Implemented the Richard Sloan Accrual formula `Accruals = NetIncome - (CFO + CFI)` and `SloanRatio = Accruals / TotalAssets * 100` on the server-side.
* **Enhanced Mock & API Interception**: Updated `MOCK_TECH_AI_DATA` and the free Yahoo Finance `/api/finance` & `/api/scanner` endpoints to parse quarterly net income, CFO, CFI, and Total Assets, and return Sloan metrics. Supported `DEV_MODE` offline bypass returning simulated Sloan ratios with `isShieldActive: true`.
* **Sloan UI Integration (Module 6)**: Mounted the "Sloan Earnings Quality" metric card at the top of [AiSpecialSilo.tsx](file:///c:/Users/jannr/.gemini/antigravity/scratch/investment-sandbox/components/modules/tech/AiSpecialSilo.tsx) and added a dedicated detailed ledger panel for all active tickers.
* **Sloan UI Integration (Module 2)**: Updated the Search Mask in [ScannerDemo.tsx](file:///c:/Users/jannr/.gemini/antigravity/scratch/investment-sandbox/components/modules/scanner/ScannerDemo.tsx) to output the current Sloan Ratio and a green/rose indicator badge alongside the GJR-GARCH forecast.
* **Math Handbook details**: Expanded [TechMathModal.tsx](file:///c:/Users/jannr/.gemini/antigravity/scratch/investment-sandbox/components/modules/tech/TechMathModal.tsx) to explain the Sloan Accounting Anomaly with block LaTeX equations.
### Modified
* **`QUANT_ROADMAP.md`**: Updated Section 4.I detailing the Sloan Ratio mathematical formulations and regime classifications.
### Active Bugs / Compile Status
* **Active Bugs**: None.
* **Type Checker Status**: Verified clean compilation (`npx tsc --noEmit` returns exit code 0).