Struct ContextBreakdown 

pub struct ContextBreakdown {
    pub system_prompt_tokens: u32,
    pub system_tools_tokens: u32,
    pub mcp_tools_tokens: u32,
    pub memory_tokens: u32,
    pub skills_tokens: u32,
    pub messages_tokens: u32,
    pub used_tokens: u32,
    pub limit_tokens: Option<u32>,
    pub compact_buffer_tokens: u32,
}

Per-category breakdown of context-window occupancy.

used_tokens is anchored on the provider-reported occupancy once the session has seen a model response; before that it is estimated. The per-category fields are estimates that normally sum to used_tokens, but estimation error can make them disagree slightly — clients should clamp rather than assume an exact identity.

Fields

system_prompt_tokens: u32

System prompt, excluding the skills and memory sections counted below.

system_tools_tokens: u32

Built-in tool schemas.

mcp_tools_tokens: u32

MCP tool schemas.

memory_tokens: u32

Memory content: project/user instruction files and the auto-memory prompt.

skills_tokens: u32

The available-skills listing.

messages_tokens: u32

Conversation messages: everything not attributed to a category above.

used_tokens: u32

Total context-window occupancy.

limit_tokens: Option<u32>

Model context limit. None when unverified, so clients never render a confidently-wrong percentage.

compact_buffer_tokens: u32

Tokens reserved at the top of the window; auto-compaction triggers once occupancy grows into this reserve.

Trait Implementations

impl Clone for ContextBreakdown

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for ContextBreakdown

impl Debug for ContextBreakdown

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

Formats the value using the given formatter.

impl Default for ContextBreakdown

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for ContextBreakdown

where ContextBreakdown: Default,

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for ContextBreakdown

impl PartialEq for ContextBreakdown

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for ContextBreakdown

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for ContextBreakdown