MerchantGuard AMD ROCm · Google Gemma

Deterministic Policy Gate & Statistical Margin Recovery Copilot

Inference Tier: REPLAY (Zero-Cost / Offline)
Track 3 Compliance Note: Win probability P(win) modeled via calibrated Logistic Regression. LLM acts strictly as factual evidence synthesizer.

Core Demo Scenarios (1-Click Evaluation) Tasks T3.1 · T3.2

Click any scenario to stream sequential policy gate, margin EV calculation, cited narrative, and cryptographic ledger block.

Server-Sent Events (SSE) Live Pipeline IDLE
Stream Target: GET /cases/CASE-1001/stream
1. POLICY GATE PENDING
Rules R-001..R-006
2. MARGIN ENGINE PENDING
Expected Value & P(Win)
3. FACT NARRATION PENDING
Evidence Citation Synthesizer
4. AUDIT CHAIN PENDING
SHA-256 Ledger Block

Dispute Case Queue

4 Cases

Evidence Compare Panel Verified Consistent

Buyer Dispute Claim ITEM_NOT_RECEIVED

"I was home all day and nobody brought any package to my porch. I want my money back."

Filing Date: 2026-10-04 Disputed: $185.00
Carrier Telematic Trail DELIVERED
GPS Geo-Match: MATCH ✓
Signature: SIGNED ✓
Deterministic Copilot Recommendation GATE_APPROVED
CONTEST
R002_DELIVERY_CONFIRMED
Expected Margin Recovery (EV)
+$226.57
P(Win): 98.0% (Calibrated Model)
Conclusive proof of doorstep delivery detected. Automated contest protects full merchant margin. Latency: 240ms

Financial Margin Recovery Breakdown

Loss if Refunded
-$185.00
Full Order Value
Win Probability P(Win)
98.0%
Gateway Dispute Fee
-$15.00
Payment Gateway Fee
Net Expected Recovery
+$226.57
Contest EV vs Refund

Deterministic Policy Gate Rules (R-001 .. R-006)

Zero LLM Decisions
Loading policy rules...

Fact-Cited Arbitration Narrative

Ground-Truth Verified ✓
Provider: Replay Cache (Zero-Cost)
Executive Summary:

Carrier GPS coordinates and physical signature verify legitimate doorstep handover on 2026-10-02.

Citations: [F1: ORD-88219] [F2: Signed 'M. Vance'] [F3: Geo-Match ✓]
Formal Processor Response Draft:
Draft response will stream here...

Cryptographic Audit Chain Inspector SHA-256 Tamper-Evident

Every policy gate and margin decision is permanently chained to the genesis block.

Ledger Valid (100%)
CURRENT BLOCK INDEX
#1
SHA-256 BLOCK HASH
f3a8b9409...
PREVIOUS BLOCK HASH (PARENT)
0000000000000000... (Genesis)