feat: v10 - add yazi, dev tools, centralized app defaults

- Replace redshift with gammastep
- Add environment.d/defaults.conf for dynamic app switching
- Add yazi file manager, btop, mimeapps.list
- Add Docker, PostgreSQL, fnm/Node.js, Claude Code
- Add NVIDIA auto-detection, third-party repos
- Fix polybar  bug, remove SSH/cargo from fish

Author: draphy

PACKAGES

@@ -71,9 +71,9 @@ gnome-keyring::
 # Theming
 xfce4-settings::
 
-# Night light
-redshift::
-geoclue2::
+# Night light (v1-v9 only, replaced by gammastep in v10)
+redshift::9
+geoclue2::9
 
 # Fonts
 fira-code-fonts::
@@ -90,3 +90,64 @@ yad::
 
 # Qt theming
 qt5ct::
+
+# === Added in v10 ===
+
+# Git (install first - needed for repos)
+git:10:
+
+# Blue light filter (replaces redshift)
+gammastep:10:
+
+# Third-party apps (repos added by install.sh)
+brave-browser:10:
+google-chrome-stable:10:
+code:10:
+proton-vpn-gnome-desktop:10:
+
+# Docker (docker repo)
+docker-ce:10:
+docker-ce-cli:10:
+containerd.io:10:
+docker-buildx-plugin:10:
+docker-compose-plugin:10:
+
+# COPR: yazi
+yazi:10:
+
+# OBS repo: ueberzugpp (for yazi image preview)
+ueberzugpp:10:
+
+# Media
+torbrowser-launcher:10:
+neovim:10:
+obs-studio:10:
+kdenlive:10:
+mpv:10:
+zathura:10:
+zathura-pdf-poppler:10:
+audacious:10:
+
+# Office
+libreoffice-calc:10:
+libreoffice-writer:10:
+
+# System tools
+gparted:10:
+btop:10:
+
+# CLI tools
+zoxide:10:
+ffmpeg:10:
+p7zip:10:
+jq:10:
+poppler-utils:10:
+fd-find:10:
+ripgrep:10:
+fzf:10:
+ffmpegthumbnailer:10:
+atool:10:
+
+# Database
+postgresql-server:10:
+postgresql-contrib:10:

README.md

@@ -60,19 +60,27 @@ If you love that vibe — welcome home.
 - 📊 Clean polybar status bar (replaces i3status)
 - 🚀 Beautiful rofi app launcher with dark theme
 - 💻 Alacritty terminal with Mint-Y-Dark colors
-- 🐟 Fish shell with auto-suggestions
-- 🔧 Automatic hardware detection (battery, network, display)
+- 🐟 Fish shell with auto-suggestions and zoxide integration
+- 🔧 Automatic hardware detection (battery, network, display, NVIDIA GPU)
 - 🔒 Lock screen with centered logo (auto-sleep after 15 min)
-- 🌙 Night light (redshift) for eye comfort
+- 🌙 Night light (gammastep) with IP-based location auto-detection
+- 📁 yazi terminal file manager with image preview
 - 📋 Comprehensive keybinding cheatsheet (`Super+F1`)
 
 ### System Management
 - 🔄 **System updater** (`update-draphyOS`) — Interactive tool for system updates, security patches, and Fedora version upgrades
 - ⬆️ **Config updates** — Update draphyOS configs from GitHub with intelligent three-way merge (preserves your customizations)
 - 📦 **Smart uninstall** — Tracks packages installed by draphyOS for clean removal
-- 🔋 **Battery health** — Optional 80% charge limit for laptop battery longevity
+- 🔋 **Battery health** — Configurable charge limit (60-100%) for laptop battery longevity
 - 🔀 **Version migrations** — Seamless upgrades between draphyOS versions
 
+### Development Tools
+- 🐳 **Docker** — Container runtime with rootless setup (user added to docker group)
+- 🟢 **Node.js** — fnm version manager with LTS pre-installed
+- 🐘 **PostgreSQL** — Database server with user/database auto-created
+- 🤖 **Claude Code** — AI coding assistant CLI
+- 🎮 **NVIDIA** — Auto-detection and driver installation (akmod-nvidia)
+
 ---
 
 ## 📋 Prerequisites
@@ -133,6 +141,18 @@ git clone https://github.com/draphy/draphyOS ~/.draphyOS && ~/.draphyOS/install.
 1. Log out of your current session
 2. Select **i3** from the login screen
 3. Press `Super + F1` for keybindings cheatsheet
+4. **Docker users:** Log out/in again to use Docker without sudo
+
+### What Gets Installed
+
+The installer adds several third-party repositories:
+- **RPMFusion** (free + nonfree) — Multimedia codecs, NVIDIA drivers
+- **Brave Browser** — Privacy-focused browser
+- **VS Code** — Microsoft's code editor
+- **Docker CE** — Container runtime
+- **yazi COPR** — Terminal file manager
+
+NVIDIA GPU owners will be prompted to install proprietary drivers (akmod-nvidia).
 
 ---
 
@@ -195,7 +215,8 @@ When a config conflict is detected, you choose:
 | `Super + 1-0`             | Switch Workspace         |
 | `Super + Shift + 1-0`     | Move to Workspace        |
 | `Super + Shift + x`       | Lock Screen              |
-| `Super + Shift + f`       | File Manager             |
+| `Super + Shift + f`       | File Manager (Thunar)    |
+| `Super + Shift + y`       | yazi (terminal file manager) |
 | `Super + Shift + b`       | Browser (Firefox)        |
 | `Super + Shift + v`       | Text Editor              |
 | `Print`                   | Screenshot (select area) |
@@ -313,8 +334,7 @@ Every tool in draphyOS was chosen with a purpose. Here's why:
 | `playerctl`                      | Media player control                |
 | `xss-lock`                       | Automatic screen locker             |
 | `blueman`                        | Bluetooth manager                   |
-| `redshift`                       | Night light / blue light filter     |
-| `geoclue2`                       | Location services (for redshift)    |
+| `gammastep`                      | Night light / blue light filter     |
 | `xfce-polkit`                    | Authentication dialogs              |
 | `gnome-keyring`                  | Password/secret storage             |
 | `xfce4-settings`                 | Settings manager                    |
@@ -329,6 +349,29 @@ Every tool in draphyOS was chosen with a purpose. Here's why:
 | `fontawesome-6-brands-fonts`     | Icon font (brand logos)             |
 | `mint-y-icons`                   | Icon theme                          |
 | `adwaita-cursor-theme`           | Cursor theme                        |
+| `yazi`                           | Terminal file manager               |
+| `ueberzugpp`                     | Image preview for yazi              |
+| `btop`                           | System monitor                      |
+| `zoxide`                         | Smarter cd command                  |
+| `mpv`                            | Video player                        |
+
+</details>
+
+<details>
+<summary><strong>Third-Party Applications (v10)</strong></summary>
+
+| Package | Description |
+| ------- | ----------- |
+| `brave-browser` | Privacy-focused browser |
+| `google-chrome-stable` | Chrome browser |
+| `code` | Visual Studio Code |
+| `proton-vpn-gnome-desktop` | ProtonVPN client |
+| `torbrowser-launcher` | Tor Browser |
+| `docker-ce` | Container runtime |
+| `postgresql-server` | Database server |
+| `obs-studio` | Screen recording |
+| `kdenlive` | Video editor |
+| `neovim` | Text editor |
 
 </details>
 
@@ -347,7 +390,11 @@ Every tool in draphyOS was chosen with a purpose. Here's why:
 | Picom    | `~/.config/picom/picom.conf`       | Compositor     |
 | Fish     | `~/.config/fish/config.fish`       | Shell          |
 | Alacritty | `~/.config/alacritty/alacritty.toml` | Terminal     |
-| Redshift | `~/.config/redshift/redshift.conf` | Night light    |
+| Gammastep | `~/.config/gammastep/config.ini`  | Night light    |
+| yazi     | `~/.config/yazi/yazi.toml`         | File manager   |
+| btop     | `~/.config/btop/btop.conf`         | System monitor |
+| environment.d | `~/.config/environment.d/defaults.conf` | App defaults |
+| mimeapps | `~/.config/mimeapps.list`          | Default apps   |
 | GTK      | `~/.config/gtk-3.0/settings.ini`   | Theme settings |
 
 ### draphyOS Internal Files
@@ -416,13 +463,14 @@ Click the **date** in polybar to open a calendar popup (yad).
 </details>
 
 <details>
-<summary><strong>🌙 Night Light (redshift)</strong></summary>
+<summary><strong>🌙 Night Light (gammastep)</strong></summary>
 
 Automatically adjusts screen warmth based on time of day:
-- Uses your location (via geoclue2) to calculate sunrise/sunset
+- Location is auto-detected via IP geolocation during install
 - Reduces blue light at night for better sleep
+- No geoclue2 dependency — coordinates stored directly in config
 
-Config: `~/.config/redshift/redshift.conf`
+Config: `~/.config/gammastep/config.ini`
 
 </details>
 
@@ -471,7 +519,7 @@ No setup needed — works automatically with PAM.
 <details>
 <summary><strong>🔋 Battery Charge Limit</strong></summary>
 
-During installation, you can set an 80% charge limit to extend battery lifespan:
+During installation, you can set a charge limit (60-100%) to extend battery lifespan:
 - Reduces battery wear from constant 100% charging
 - Best for laptops that are often plugged in
 - Uses a systemd service to persist across reboots
@@ -492,6 +540,78 @@ echo 100 | sudo tee /sys/class/power_supply/BAT0/charge_control_end_threshold
 
 </details>
 
+<details>
+<summary><strong>🐳 Docker</strong></summary>
+
+Docker is pre-configured with your user added to the `docker` group:
+- **Log out and back in** after install to use Docker without sudo
+- Verify: `docker run hello-world`
+
+```bash
+# Common commands
+docker ps                    # List running containers
+docker images                # List images
+docker compose up -d         # Start compose project
+```
+
+</details>
+
+<details>
+<summary><strong>🐘 PostgreSQL</strong></summary>
+
+PostgreSQL is initialized with your user as superuser:
+- Database and user auto-created matching your username
+- Connect immediately: `psql`
+
+```bash
+# Common commands
+psql                         # Connect to your database
+psql -l                      # List databases
+createdb myapp               # Create new database
+```
+
+</details>
+
+<details>
+<summary><strong>🟢 Node.js (fnm)</strong></summary>
+
+Node.js is managed via fnm (Fast Node Manager):
+- LTS version pre-installed
+- Automatic version switching per project
+
+```bash
+# Common commands
+fnm list                     # List installed versions
+fnm install 20               # Install Node.js 20
+fnm use 20                   # Switch to Node.js 20
+fnm default 20               # Set default version
+```
+
+Add a `.node-version` or `.nvmrc` file to project directories for automatic switching.
+
+</details>
+
+<details>
+<summary><strong>📁 yazi (Terminal File Manager)</strong></summary>
+
+yazi is a blazing fast terminal file manager with image preview:
+- Launch: `Super + Shift + y` or type `yazi`
+- Preview images, PDFs, code with syntax highlighting
+- Vim-style navigation
+
+```bash
+# Keybindings in yazi
+h/j/k/l     # Navigate (vim-style)
+Enter       # Open file/directory
+q           # Quit
+y           # Copy (yank)
+p           # Paste
+d           # Cut
+Space       # Select file
+```
+
+</details>
+
 <details>
 <summary><strong>🔄 System Updates</strong></summary>
 

VERSION

@@ -1 +1 @@
-9
+10