Struct Drawer 

pub struct Drawer {

    pub id: String,
    pub content: String,
    pub wing: String,
    pub room: String,
    pub source_file: String,
    pub chunk_index: u32,
    pub filed_at: DateTime<Utc>,
    pub confidence: f32,
    pub access_count: u32,
    pub accessed_at: Option<DateTime<Utc>>,
    pub linked_ids: Vec<String>,
    pub superseded_by: Option<String>,
    pub reinforcements: Vec<Reinforcement>,
    pub active: bool,
}

A verbatim chunk of content stored in the palace. Enhanced with confidence scoring, graph links, and supersession tracking.

Fields

id: String

content: String

wing: String

room: String

source_file: String

chunk_index: u32

filed_at: DateTime<Utc>

confidence: f32

Base confidence (0.0 - 1.0). Defaults to 0.7.

access_count: u32

Number of times this drawer was accessed/retrieved.

accessed_at: Option<DateTime<Utc>>

Last time this drawer was accessed.

linked_ids: Vec<String>

Linked drawer IDs (graph edges).

superseded_by: Option<String>

If superseded by a newer drawer, this points to it.

reinforcements: Vec<Reinforcement>

Reinforcement history.

active: bool

Whether this drawer is still active (not superseded).

Implementations

impl Drawer

pub fn new( id: String, content: String, wing: String, room: String, source_file: String, chunk_index: u32, ) -> Self

Create a new drawer with default v2 fields.

pub fn effective_confidence(&self) -> f32

Compute effective confidence based on access history, age, and reinforcements.

Formula: effective = base_confidence + access_boost (ln(access_count) * 0.05) - age_decay (min(age_days/365, 0.3)) + reinforcement_adjustment clamped to [0.0, 1.0]

pub fn touch(&mut self)

Record an access event.

pub fn reinforce(&mut self, score: f32, context: impl Into<String>)

Record a reinforcement event (positive or negative).

pub fn decay_confidence(&mut self, amount: f32)

Decrement base confidence.

pub fn supersede(&mut self, new_id: &str)

Mark this drawer as superseded by another.

pub fn link_to(&mut self, other_id: &str)

Add a bidirectional link to another drawer.

Trait Implementations

impl Clone for Drawer

fn clone(&self) -> Drawer

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Drawer

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Drawer

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Drawer

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

where __S: Serializer,

Serialize this value into the given Serde serializer.