Configuration

Lankir stores all configuration in ~/.config/lankir/.

Configuration Files

File	Purpose
`config.json`	Main application settings
`recent_files.json`	Recently opened PDFs
`signature_profiles/`	Signature profile definitions

Setting	Type	Default	Description
`theme`	string	`"dark"`	UI theme: `"dark"` or `"light"`
`accentColor`	string	`"#007acc"`	Primary accent color (hex)

# Change theme
lankir config set theme light

# Set accent color
lankir config set accentColor "#ff6600"

Setting	Type	Default	Description
`defaultZoom`	int	`100`	Initial zoom percentage
`showLeftSidebar`	bool	`true`	Show thumbnail sidebar
`showRightSidebar`	bool	`false`	Show properties sidebar
`defaultViewMode`	string	`"scroll"`	View mode: `"scroll"` or `"single"`

# Set default zoom to 150%
lankir config set defaultZoom 150

# Change view mode
lankir config set defaultViewMode single

Setting	Type	Default	Description
`recentFilesLength`	int	`5`	Number of recent files to remember
`autosaveInterval`	int	`0`	Autosave interval in seconds (0 = disabled)

Setting	Type	Default	Description
`certificateStores`	array	(auto)	Paths to scan for certificates
`tokenLibraries`	array	(auto)	PKCS#11 module paths

Directories where Lankir looks for .p12/.pfx certificate files:

{
  "certificateStores": [
    "/etc/ssl/certs",
    "/home/user/.pki/nssdb",
    "/home/user/certificates"
  ]
}

Add a custom certificate directory:

# Note: Directories must be absolute paths within home or system cert dirs
lankir config set certificateStores '["/home/user/my-certs"]'

PKCS#11 shared library paths for hardware tokens:

{
  "tokenLibraries": [
    "/usr/lib/x86_64-linux-gnu/pkcs11/p11-kit-client.so",
    "/usr/lib/x86_64-linux-gnu/opensc-pkcs11.so"
  ]
}

Setting	Type	Default	Description
`debugMode`	bool	`false`	Enable debug logging
`hardwareAccel`	bool	`true`	Use GPU acceleration

# Enable debug mode
lankir config set debugMode true

# Disable hardware acceleration (for troubleshooting)
lankir config set hardwareAccel false

# Show all settings
lankir config get

# Show specific setting
lankir config get theme

# JSON output (for scripting)
lankir config get --json

To reset all settings to defaults:

lankir config reset

Or manually delete the config file:

rm ~/.config/lankir/config.json

Variable	Description
`LANKIR_CONFIG_DIR`	Override config directory
`LANKIR_DEBUG`	Enable debug output (`1` or `true`)

Lankir follows the XDG Base Directory Specification: