Add 4 new projects from organizer + update Task Tracker with projects section

WORK/Projects/Scale QR Code Reader.md

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+# Project: Scale QR Code Reader
+
+**Created:** 2026-02-24
+**Source:** #work-assistant
+**Status:** Testing Phase
+
+---
+
+## Overview
+Use an IP camera with a vision model to read QR codes and other identifying markings on vehicles stopping to weigh on a scale.
+
+## Purpose
+- Identify vehicles via QR code/markings
+- Store vehicle data with timestamp and weight
+- Populate database for further processing
+
+## Components
+- IP camera
+- Vision model for QR/markings recognition
+- Database for storage
+- Scale integration
+
+## Current Status
+✅ **Testing Phase**
+- Software has been written
+- Currently in testing
+
+## Tasks
+
+- [ ] Complete testing
+- [ ] Deploy to production
+
+## Notes
+
+*(Add technical details, camera specs, vision model used, etc.)*
+
+## Related
+
+- [Scale Weight Readout](Scale%20Weight%20Readout.md) — companion scale project
+
+---
+
+*Extracted from Projects to be organized*