Struct HistoryMessage 

pub struct HistoryMessage {
    pub role: String,
    pub content: String,
    pub reasoning: Option<String>,
    pub tool_calls: Option<Vec<HistoryToolCall>>,
    pub name: Option<String>,
}

A single chat message rendered in the Web UI conversation history.

Each message maps to how the TUI/Web already renders things:

• user messages → right-aligned chat bubble
• assistant messages → left-aligned agent bubble (markdown)
• assistant with tool_calls → tool-pending/tool-done lines
• tool messages → hidden (tool results are shown via tool_calls)
• reasoning → collapsible reasoning section

Fields

role: String

“user”, “assistant”, or “tool”

content: String

Main message text

reasoning: Option<String>

Reasoning/thinking content (if any)

tool_calls: Option<Vec<HistoryToolCall>>

Tool calls (assistant messages that invoke tools)

name: Option<String>

Tool name (for tool-role messages)

Trait Implementations

impl Clone for HistoryMessage

fn clone(&self) -> HistoryMessage

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for HistoryMessage

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for HistoryMessage

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for HistoryMessage

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

where __S: Serializer,

Serialize this value into the given Serde serializer.