Struct AppConfig 

pub struct AppConfig {

    pub model: String,
    pub provider: String,
    pub system_prompt: String,
    pub extensions: Vec<Box<dyn Extension>>,
    pub cwd: PathBuf,
    pub thinking_level: Option<String>,
    pub available_models: Vec<String>,
    pub hide_thinking: bool,
    pub collapse_tool_output: bool,
    pub interactive: bool,
    pub settings: Settings,
    pub context_files: Vec<String>,
    pub skills: Vec<Skill>,
    pub skill_dirs: Vec<PathBuf>,
    pub agent_dir: PathBuf,
    pub prompt_templates: Vec<PromptTemplate>,
    pub prompt_template_dirs: Vec<PathBuf>,
    pub session_info: Option<Arc<Mutex<Option<SessionInfoInternal>>>>,
    pub api_key: String,
    pub registry: Arc<ProviderRegistry>,
}

Configuration for the UI app.

Fields

model: String

provider: String

system_prompt: String

extensions: Vec<Box<dyn Extension>>

cwd: PathBuf

thinking_level: Option<String>

available_models: Vec<String>

hide_thinking: bool

collapse_tool_output: bool

interactive: bool

settings: Settings

context_files: Vec<String>

Context files (AGENTS.md / CLAUDE.md) loaded for the session.

skills: Vec<Skill>

Skills loaded for the session (used for /skill:name expansion).

skill_dirs: Vec<PathBuf>

Skill directories to scan (for /reload support).

agent_dir: PathBuf

Agent config directory (~/.rab/agent).

prompt_templates: Vec<PromptTemplate>

Prompt templates loaded for the session (/name expansion).

prompt_template_dirs: Vec<PathBuf>

Prompt template directories to scan (for /reload support).

session_info: Option<Arc<Mutex<Option<SessionInfoInternal>>>>

Session info Arc for /session command (shared with CommandsExtension).

api_key: String

API key for yoagent provider.

registry: Arc<ProviderRegistry>

Provider registry for model resolution and provider dispatch.