## Register App Aliases
```bash
j set chrome "/Applications/Google Chrome.app"
j set vscode "/Applications/Visual Studio Code.app"
# Register URL aliases (auto-detected as inner_url)
j set github https://github.com
```
## Mark Categories
```bash
j note chrome browser
j note vscode editor
```
## Open Apps
```bash
j chrome # Open Chrome
j chrome github # Open github URL with Chrome
j chrome "rust lang" # Search "rust lang" with Chrome
j vscode ./src # Open src directory with VSCode
```
## Daily Reports
```bash
j report "Completed feature development"
j check # View recent 10 lines
j check 20 # View recent 20 lines
```
## Todo Management
```bash
j todo add Buy milk # Quick add
j todo # Enter TUI manager
```
## AI Chat
```bash
j chat # Enter TUI chat
j chat Hello # Quick question
```
## Interactive Mode
```bash
j # Enter interactive mode with Tab completion
```