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B2B Audit Engine

TypeScript compliance reporting platform

A TypeScript web application that evaluates operational client data against compliance rule frameworks, generating audit reports for business consultants.

01 // THE BUSINESS PROBLEM & SITUATION

Operational Context

Consultants manually reviewing operational data in spreadsheets often take significant time to compile audit reports.

CLIENT / ENVIRONMENT: Designed as an internal tool for consulting workflows to standardize audit reports.
02 // SYSTEM ARCHITECTURE & SOLUTION

What Was Built

Built a full-stack Next.js web application with a relational PostgreSQL database to process operational data and generate compliance reports.

BUSINESS.AUDIT // COMPLIANCESystem Architecture Diagram
CLIENT UI
Next.js 16
API LAYER
App Router
ORM
Prisma DB
REPORT
PDF Export
SYSTEMS_ARCHITECTURE_EXPLODER // LAYERED_STACKFULL-STACK SYSTEM DECOUPLING
Frontend Layer
Next.js 16 App Router, React 19, Tailwind CSS, TypeScript
API & Middleware
FastAPI, Pydantic Schema Validation, Rate Limiters
Orchestration
LangGraph Multi-Agent Supervisor & State Machines
Model Providers
OpenAI GPT-4o, Anthropic Claude 3.5, Vision AI
Data Stores
PostgreSQL (Prisma), Qdrant Vector Store, Redis Caching
Observability
LangSmith traces, Pydantic audit logs, Error retries
03 // ENGINEERING CONTRIBUTION & FEATURES

Exact Contribution

  • Designed relational schema using Prisma ORM
  • Built interactive Next.js dashboard
  • Implemented structured report exporter

Key Capabilities Built

Customizable Audit Frameworks
Automated Compliance Risk Flagging
Dynamic Report Summaries
Data Entry Interfaces
DATA_PROVENANCE_TIMELINE // AUDIT_TRACETRACE_ID: #TR-992041
14:22:01.002Source Ingestion
Received webhook payloadOK
14:22:01.045Schema Validation
Pydantic structured field checkOK
14:22:01.210LangGraph Reasoning
Evaluated criteria rulesOK
14:22:01.350Human Audit Check
Confidence threshold evaluationPASSED
14:22:01.480Database Commit
Created audit record in PostgreSQLCOMMITTED
*Illustrative system trace — demonstration data, not a client result.
04 // EXECUTION PIPELINE

Step-by-Step Workflow

STEP 01Consultant inputs client operational metrics.
STEP 02Engine evaluates data against rule sets.
STEP 03Dashboard highlights flagged compliance risks.
STEP 04Finalized report is exported.
05 // ENGINEERING LESSONS & OUTCOMES

Technical Challenges Overcome

  • Managing complex nested relational data structures in Prisma.
  • Ensuring fast server-side rendering for audit dashboards.

Measurable Outcomes

Accelerated audit compilation turnaround.
Standardized compliance metric evaluation across audit teams.

Lessons & Engineering Rules

  • "Strongly typed ORMs like Prisma are essential for preserving data integrity in audit applications."
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PROJECT METADATA
ARSLAN'S ROLEFull-Stack Architect
YEAR & STATUS2025 // Open Source
CATEGORYFull-Stack Platforms
TECHNOLOGY STACK
TypeScriptNext.jsPrismaPostgreSQLTailwind CSS
GITHUB METRICS
Stars: 0
Forks: 0
Verified GitHub Update: 8/2/2026

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