Update .gitattributes and remove workflow documentation

.gitattributes

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-*.7z filter=lfs diff=lfs merge=lfs -text
-*.arrow filter=lfs diff=lfs merge=lfs -text
-*.bin filter=lfs diff=lfs merge=lfs -text
-*.bz2 filter=lfs diff=lfs merge=lfs -text
-*.ckpt filter=lfs diff=lfs merge=lfs -text
-*.ftz filter=lfs diff=lfs merge=lfs -text
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-*.joblib filter=lfs diff=lfs merge=lfs -text
-*.lfs.* filter=lfs diff=lfs merge=lfs -text
-*.mlmodel filter=lfs diff=lfs merge=lfs -text
-*.model filter=lfs diff=lfs merge=lfs -text
-*.msgpack filter=lfs diff=lfs merge=lfs -text
-*.npy filter=lfs diff=lfs merge=lfs -text
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-*.safetensors filter=lfs diff=lfs merge=lfs -text
-saved_model/**/* filter=lfs diff=lfs merge=lfs -text
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+# Git attributes for OBD Logger
+# This file controls how git handles different file types
+
+# Large files that should be excluded from HF Space pushes
+logs/**/*.csv filter=exclude-hf
+*.csv filter=exclude-hf if=size>10MB
+model/**/*.pkl filter=exclude-hf if=size>5MB
+
+# Text files
+*.py text
+*.md text
+*.txt text
+*.json text
+*.sh text
+
+# Binary files
+*.pkl binary
+*.png binary
+*.jpg binary
+*.jpeg binary

GIT_WORKFLOW.md

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-# Git Workflow for OBD Logger
-
-This document explains how to properly manage the OBD Logger repository with both Hugging Face Space and GitHub.
-
-## 🏗️ Repository Structure
-
-- **Hugging Face Space**: `https://huggingface.co/spaces/BinKhoaLe1812/OBD_Logger`
-- **GitHub Repository**: `https://github.com/benty691/EAT40005.git` (obd-logger branch)
-
-## 📋 Setup (One-time)
-
-The repository is already configured with the correct remotes:
-
-```bash
-# Check remotes
-git remote -v
-
-# Should show:
-# hf      https://huggingface.co/spaces/BinKhoaLe1812/OBD_Logger (fetch)
-# hf      https://huggingface.co/spaces/BinKhoaLe1812/OBD_Logger (push)
-# origin  https://github.com/benty691/EAT40005.git (fetch)
-# origin  https://github.com/benty691/EAT40005.git (push)
-```
-
-## 🚀 Daily Workflow
-
-### Option 1: Using the Script (Recommended)
-
-```bash
-# Make changes to your code
-# ... edit files ...
-
-# Stage and commit changes
-git add .
-git commit -m "Your commit message"
-
-# Push to Hugging Face Space
-./push_workflow.sh hf
-
-# Push to GitHub
-./push_workflow.sh github
-
-# Or push to both at once
-./push_workflow.sh both
-```
-
-### Option 2: Manual Commands
-
-```bash
-# Make changes to your code
-# ... edit files ...
-
-# Stage and commit changes
-git add .
-git commit -m "Your commit message"
-
-# Push to Hugging Face Space (for deployment)
-git push hf main
-
-# Push to GitHub (for backup/collaboration)
-git push origin obd-logger
-```
-
-## 📁 Directory Structure
-
-```
-OBD_Logger/
-├── app.py                 # FastAPI application
-├── Dockerfile            # Docker configuration
-├── requirements.txt      # Python dependencies
-├── train/                # RLHF training system
-│   ├── rlhf.py          # Main RLHF trainer
-│   ├── loader.py        # Data loader
-│   └── saver.py         # Model saver
-├── utils/                # Utilities
-│   └── download.py      # Model downloader
-├── data/                 # Data handlers
-├── static/              # Web interface
-└── push_workflow.sh     # Push workflow script
-```
-
-## 🔄 Workflow Summary
-
-1. **Development**: Make changes in the OBD_Logger directory
-2. **Commit**: `git add . && git commit -m "message"`
-3. **Deploy**: `git push hf main` (pushes to Hugging Face Space)
-4. **Backup**: `git push origin obd-logger` (pushes to GitHub)
-
-## 🛡️ Security Features
-
-- ✅ No hardcoded tokens in code
-- ✅ Models download at runtime
-- ✅ Environment variables loaded from `.env`
-- ✅ Large files excluded from repository
-- ✅ Clean git history
-
-## 📊 Monitoring
-
-- **Hugging Face Space**: Check deployment status at the HF Space URL
-- **Model Status**: Use `GET /models/status` endpoint to check if models are loaded
-- **Health Check**: Use `GET /health` endpoint for basic health check
-
-## 🚨 Troubleshooting
-
-### Large File Errors
-If you get large file errors:
-```bash
-# Check for large files
-find . -type f -size +10M
-
-# Remove large files from git history
-git filter-branch --tree-filter 'rm -f path/to/large/file' HEAD
-```
-
-### Push Failures
-If push fails:
-```bash
-# Check remote configuration
-git remote -v
-
-# Force push if needed (be careful!)
-git push hf main --force
-```
-
-## 📝 Notes
-
-- The OBD_Logger directory is now a clean, independent git repository
-- No large files in the git history
-- Models are downloaded at runtime, not during build
-- Both Hugging Face Space and GitHub are properly configured