Struct ChatConfig 

pub struct ChatConfig {
    pub provider: Provider,
    pub model: String,
    pub deepseek_api_key: Option<String>,
    pub deepseek_model: String,
    pub params: GenerationParams,
    pub context_tokens: usize,
    pub context_size_mode: ContextSizeMode,
    pub system_prompt_path: Option<PathBuf>,
    pub request_timeout_secs: Option<u64>,
}

Chat / generation configuration.

Controls the chat model, provider, generation parameters, context window, and overflow behaviour. Swappable at runtime via the /chat REPL command.

Fields

provider: Provider

Chat backend: ollama (local) or deepseek (cloud API).

model: String

Model name for Ollama chat (ignored when provider is Deepseek).

deepseek_api_key: Option<String>

DeepSeek API key (required when provider is Deepseek). Can also be set via the DEEPSEEK_API_KEY env var.

deepseek_model: String

Model name for DeepSeek (ignored when provider is Ollama).

params: GenerationParams

Sampling temperature, top_p, max_tokens, seed. Each field is optional — when None the provider’s own default is used.

context_tokens: usize

Context window size of the current chat model (tokens). Used to calculate how much retrieved text fits in the prompt.

context_size_mode: ContextSizeMode

Controls context-overflow behaviour: Auto retries with fewer chunks, Forced treats overflow as a fatal error.

system_prompt_path: Option<PathBuf>

Path to a Markdown file containing a custom system prompt for the chat agent. Use {context} as placeholder for retrieved documents.

request_timeout_secs: Option<u64>

Per-request timeout in seconds for Ollama/DeepSeek network calls. None means no timeout (default).

Implementations

impl ChatConfig

pub fn override_with(&mut self, cli: &ChatConfig, defaults: &ChatConfig)

Override fields where cli differs from defaults — used when merging CLI arguments on top of a profile file.

Trait Implementations

impl Clone for ChatConfig

fn clone(&self) -> ChatConfig

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ChatConfig

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for ChatConfig

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for ChatConfig

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ChatConfig

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.