# PostgreSQL Integration + Windows Installer + Documentation Overhaul

## Summary

Complete PostgreSQL integration for Jellyfin with professional Windows installer, centralized build output, OS-specific configuration, and comprehensive documentation reorganization.

## Key Features

✅ **Windows Installer** - Inno Setup script with service installation, firewall rules, and PostgreSQL wizard  
✅ **Centralized Build** - All DLLs output to `lib/[Configuration]/` folder  
✅ **OS-Specific Config** - Auto-generates `startup.json` with platform-appropriate defaults  
✅ **PostgreSQL Migration** - Robust migration with auto-recovery and comprehensive docs  
✅ **Documentation** - 30+ files organized in `docs/` folder with complete index  

## What's Included

### Documentation (30+ files)
- Rewrote README.md with PostgreSQL focus and quick start
- Moved all .md files to docs/ folder
- Added installer guides, migration guides, troubleshooting
- Complete navigation and organization

### Windows Installer
- `build-installer.ps1` - PowerShell automation
- `jellyfin-setup.iss` - Inno Setup script
- Service installation, firewall setup, PostgreSQL wizard
- 5-minute quick start guide

### Build System
- Centralized output: `lib/[Configuration]/[TargetFramework]/`
- Updated Directory.Build.props
- Clean deployment with publish profiles
- Updated .gitignore (lib, installer-output, PublishProfiles)

### Configuration
- OS-specific startup.json generation (Windows/Linux/macOS)
- Platform templates in Resources/Configuration/
- Priority: CLI → Env → startup.json → Defaults
- FHS-compliant paths on Linux

### PostgreSQL
- Schema fixes for PostgreSQL in EF migrations
- Identifier quoting (brackets → double quotes)
- Auto-recovery from migration errors
- Comprehensive migration documentation
- Production-ready SQL scripts

## Testing

✅ Fresh Windows install  
✅ SQLite → PostgreSQL migration  
✅ Windows Service installation  
✅ Cross-platform configuration  
✅ Build output verification  

## Breaking Changes

**None!** All changes are backward compatible.

## Commits (7)

1. Docs: overhaul README, centralize docs, update .gitignore
2. Add Windows installer scripts, docs, and startup.json fixes
3. Centralize build output and generate OS-specific startup.json
4. Platform config templates & Postgres migration recovery
5. PostgreSQL migration: schema fixes, docs, and tooling
6. Update publish profiles and .gitignore for Windows build
7. Update publish profile and web dir config for portability

## Quick Start

```bash
# Build
dotnet build --configuration Release
cd lib/Release/net11.0
dotnet jellyfin.dll

# Create installer (Windows)
winget install JRSoftware.InnoSetup
.\build-installer.ps1
```

## Documentation

- [Quick Start](./docs/QUICKSTART_POSTGRESQL.md)
- [Installer Guide](./docs/INSTALLER_QUICK_START.md)
- [Migration Guide](./docs/POSTGRESQL_MIGRATION_COMPLETE.md)
- [All Docs](./docs/)

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**Ready for Review** ✅  
Target: main | Source: pgsql_testing_branch  
Type: Feature + Documentation + Build