Struct SessionConfig 

pub struct SessionConfig {

    pub cwd: PathBuf,
    pub agent_dir: PathBuf,
    pub settings: SettingsManager,
    pub registry: ModelRegistry,
    pub apis: Apis,
    pub session: SessionManager,
    pub model: Option<Model>,
    pub thinking_level: ThinkingLevel,
    pub tools: Vec<String>,
    pub extensions: Vec<Arc<dyn Extension>>,
    pub include_extension_tools: bool,
    pub allowed_tools: Option<Vec<String>>,
    pub excluded_tools: Vec<String>,
    pub resources: Resources,
    pub docs: Locations,
}

What a session starts with.

Fields

cwd: PathBuf

Working directory.

agent_dir: PathBuf

Agent directory.

settings: SettingsManager

Settings.

registry: ModelRegistry

Models and credentials.

apis: Apis

Wire APIs.

session: SessionManager

The session file.

model: Option<Model>

The model, if one could be chosen.

thinking_level: ThinkingLevel

The thinking level.

tools: Vec<String>

Active tool names.

extensions: Vec<Arc<dyn Extension>>

The session’s extensions, which load before the active tools are set.

include_extension_tools: bool

Activate the tools extensions register as they load, unless they opt out. pi does unless --tools names the tools.

allowed_tools: Option<Vec<String>>

The only tools that may exist, from --tools (none for --no-tools), or every tool when None.

excluded_tools: Vec<String>

Tools that may never exist, from --exclude-tools.

resources: Resources

Prompt resources.

docs: Locations

Where the model and the sign-in help find the docs.