PEC App - Technical and Institutional Governance Specification

# PEC App - Technical and Institutional Governance Specification

This document serves as the definitive high-fidelity, long-form institutional entry point for the PEC App platform. It provides an exhaustive overview of the system's architecture, operational capabilities, business impact metrics, project highlights, and a total end-to-end setup guide for digital transformation.

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## 1. Executive Institutional Summary

PEC App is an industry-leading, enterprise-grade educational resource planning platform designed for the PEC University ecosystem. It reimagines academic and administrative management by consolidating 10+ disparate manual processes into a single, high-concurrency, hardware-accelerated digital ecosystem.

The platform is engineered to resolve the "Institutional Friction" caused by manual roll-calls, paper-based admissions, and decentralized communication. By leveraging a state-of-the-art Next.js 16/NestJS 11 stack with hardware-accelerated PostgreSQL indexing, PEC App facilitates sub-second response times for thousands of concurrent users, providing a seamless operational experience for students, faculty, and executive administrators.

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## 2. Institutional Strategic Vision and ROI

The transition to PEC App represents a strategic commitment to institutional excellence. The platform is designed to achieve the following quantified operational goals:

### Operational Strategic Goals

- **Digital Centralization**: Consolidation of all academic, logistic, and identity data into a single source of truth across all campus blocks.
- **Process Automation**: Eliminating manual data entry and paper-based processing across attendance and admissions lifecycles.
- **Data-Driven Governance**: Providing institutional leaders with real-time KPI dashboards for informed decision-making.
- **Communication Integrity**: Establishing a secure, audited channel for institutional collaboration and data sharing.

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## 3. Core Institutional Feature Modules

Each module within PEC App is a discrete domain-driven project, designed to handle institutional scale and complexity.

### 📚 Academic Management and Curriculum

- **Course Catalog Engineering**: Browse and manage courses with detailed relational metadata and prerequisite dependency maps for all departments.
- **Digital Course Materials**: A centralized repository for lecture notes and instructional resources with multi-version history and accessibility optimizations.
- **Intelligent Timetable System**: Automated conflict-detection engine that optimizes 5,000+ weekly sessions, considering faculty availability and departmental constraints.
- **Digital Attendance Tracking**: Multi-modal roll-call system (QR-based or Manual via QR Session) with real-time student visibility and automated deficiency alerting. Faculty generate time-limited QR codes; students scan to validate presence.
- **Attendance Session Management**: Dedicated `attendance-session` module for creating, tracking, and closing QR-based attendance sessions per class.
- **Syllabus Stewardship**: Faculty-driven curriculum management with lesson plans and objective tracking for accreditation readiness.
- **CGPA Entry System**: Dedicated module (`cgpa-entries`) for faculty to record and manage student CGPA/SGPA entries with a full CRUD repository layer.
- **Academic Calendar**: Full event scheduling, holiday management, and semester planning via the `academic-calendar` module with calendar view, event creation, and important date reminders.
- **Examinations Management**: Scheduling and management of examination timetables for all departments via the `examinations` module.
- **Enrollments**: Full student enrollment lifecycle management via the `enrollments` module.

### 🏢 Campus Logistics and Services

- **Hostel Infrastructure Management**: Standardized issue reporting with priority categorization and multimedia triage for rapid maintenance resolution.
- **Interactive 3D Spatial Map**: A hardware-accelerated 3D digital twin of the campus using Three.js (`@react-three/fiber`, `@react-three/drei`) for building orientation and facility navigation. Supports a 2D/3D toggle on the campus map page.
- **Digital Canteen Ecosystem (Day & Night)**: Dual canteen system — `canteen` module for standard operations and `night-canteen` module for after-hours ordering — with real-time inventory-aware ordering and status tracking.
- **Campus Announcement Hub (Noticeboard)**: Target announcements to specific blocks or batches with scheduled publishing and engagement analytics.
- **Room Management**: Full CRUD for managing campus rooms including building, type, and availability tracking via the `rooms` module.

### 💼 Community and Collaboration

- **Clubs Management**: Module for managing student clubs (`clubs`), supporting creation, membership, advisor assignment, and join requests.
- **Marketplace**: A peer-to-peer campus marketplace (`marketplace`) with listings, bookmarks, integrated chat between buyer/seller, and r

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