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//! Context — Per-request execution environment
//!
//! The Context is passed to every tool call. It provides access to the
//! memory store, current brain-wave state, session information, and
//! a scratchpad for intermediate results.
use crate::brain_wave::BrainWave;
use crate::galaxy::Galaxy;
use crate::sandbox::SpawnPolicy;
use std::collections::HashMap;
/// Per-request execution context.
pub struct Context {
/// Current brain-wave state
pub brain_wave: BrainWave,
/// Session ID (if in a session)
pub session_id: Option<uuid::Uuid>,
/// User ID (for multi-user isolation)
pub user_id: Option<String>,
/// Request metadata (from MCP client)
pub meta: HashMap<String, serde_json::Value>,
/// Scratchpad for intermediate results within a single dispatch
pub scratchpad: HashMap<String, serde_json::Value>,
/// Whether this request is running under a Dharma governance profile
pub dharma_profile: Option<String>,
/// Mandala compartment (research/sandbox/production/secure)
pub compartment: Option<String>,
/// Cached karma debt (updated post-dispatch, synced periodically)
pub karma_debt: f32,
/// Intent score for this request (0.0 = low intent, 1.0 = high intent)
pub intent_score: f32,
/// Citta coherence at dispatch time (0.0–1.0). Low coherence blocks writes.
pub citta_coherence: f32,
/// Citta valence at dispatch time (−1.0 to 1.0). Negative = displeasure.
pub citta_valence: f32,
/// Self-model confidence at dispatch time (0.0–1.0).
/// Below 0.5 triggers conservative dispatch (prefer cached results).
pub self_model_confidence: f32,
/// Drive curiosity level (0.0–1.0). High curiosity → exploration bias.
pub drive_curiosity: f32,
/// Drive caution level (0.0–1.0). High caution → conservative bias.
pub drive_caution: f32,
/// Drive energy level (0.0–1.0). Low energy → lightweight tool bias.
pub drive_energy: f32,
/// Drive exploration weight (0.0–1.0). Derived from curiosity.
pub drive_exploration_weight: f32,
/// Drive conservative weight (0.0–1.0). Derived from caution.
pub drive_conservative_weight: f32,
/// Last Gana dispatched in this context (for co-usage tracking, Phase 6)
pub last_gana: Option<crate::Gana>,
/// Read-only server mode — the dispatch pipeline refuses any tool that
/// declares writes while this is set.
pub readonly: bool,
/// Operation ID (monotonic time-ordered ID) grouping multi-step write
/// sequences (U6). Enables crash detection across multi-tool dispatches.
pub operation_id: Option<String>,
/// Subprocess spawn confinement policy (B2). The dispatcher resolves
/// it for tools that declare `Sandbox::Subprocess` (or `spawns`) and
/// tools build every external command through
/// [`SpawnPolicy::command`](crate::sandbox::SpawnPolicy::command).
pub spawn: SpawnPolicy,
}
impl Context {
/// Create a new context with the given brain-wave state.
#[must_use]
pub fn new(brain_wave: BrainWave) -> Self {
Self {
brain_wave,
session_id: None,
user_id: None,
meta: HashMap::new(),
scratchpad: HashMap::new(),
dharma_profile: None,
compartment: None,
karma_debt: 0.0,
intent_score: 1.0,
citta_coherence: 1.0,
citta_valence: 0.0,
self_model_confidence: 0.5,
drive_curiosity: 0.5,
drive_caution: 0.3,
drive_energy: 0.8,
drive_exploration_weight: 0.5,
drive_conservative_weight: 0.3,
last_gana: None,
readonly: false,
operation_id: None,
spawn: SpawnPolicy::disabled(),
}
}
/// Set the operation ID for this context (U6).
#[must_use]
pub fn with_operation_id(mut self, op_id: impl Into<String>) -> Self {
self.operation_id = Some(op_id.into());
self
}
/// Get the current brain-wave state.
#[must_use]
pub const fn brain_wave(&self) -> BrainWave {
self.brain_wave
}
/// Set a scratchpad value.
pub fn set(&mut self, key: impl Into<String>, value: serde_json::Value) {
self.scratchpad.insert(key.into(), value);
}
/// Get a scratchpad value.
#[must_use]
pub fn get(&self, key: &str) -> Option<&serde_json::Value> {
self.scratchpad.get(key)
}
/// Check if this context has access to the given galaxy.
///
/// Compartment-based access control:
/// - `None` (default): full access to all galaxies (backward compatible)
/// - `sandbox`: only Tutorial and Research (no production data)
/// - `production`: all memory galaxies except system (Karma, Dharma, Substrate)
/// - `secure`: all memory galaxies
#[must_use]
pub fn can_access_galaxy(&self, galaxy: Galaxy) -> bool {
match self.compartment.as_deref() {
None => true,
Some("sandbox") => matches!(galaxy, Galaxy::Tutorial | Galaxy::Research),
Some("production") => !matches!(
galaxy,
Galaxy::Karma
| Galaxy::Dharma
| Galaxy::Substrate
| Galaxy::Associations
| Galaxy::Embeddings
),
Some("secure") => matches!(
galaxy,
Galaxy::Aria
| Galaxy::Citta
| Galaxy::Codex
| Galaxy::Journals
| Galaxy::Dreams
| Galaxy::Research
| Galaxy::Sessions
| Galaxy::Substrate
| Galaxy::Tutorial
| Galaxy::Universal
| Galaxy::Valkyrie
),
// Unknown compartment values fail closed — no galaxy access.
Some(_) => false,
}
}
/// Check if this context allows write operations to the given galaxy.
///
/// Sandbox is read-only for Research (can write to Tutorial only).
#[must_use]
pub fn can_write_galaxy(&self, galaxy: Galaxy) -> bool {
match self.compartment.as_deref() {
None => true,
Some("sandbox") => matches!(galaxy, Galaxy::Tutorial),
Some("production" | "secure") => self.can_access_galaxy(galaxy),
// Unknown compartment values fail closed — no write access.
Some(_) => false,
}
}
}
impl Default for Context {
fn default() -> Self {
Self::new(BrainWave::Gamma)
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::galaxy::Galaxy;
#[test]
fn no_compartment_has_full_access() {
let ctx = Context::default();
for g in Galaxy::all() {
assert!(
ctx.can_access_galaxy(g),
"No compartment should access {g:?}"
);
assert!(ctx.can_write_galaxy(g), "No compartment should write {g:?}");
}
}
fn make_ctx(compartment: &str) -> Context {
Context {
compartment: Some(compartment.into()),
..Context::default()
}
}
#[test]
fn sandbox_can_only_read_tutorial_and_research() {
let ctx = make_ctx("sandbox");
assert!(ctx.can_access_galaxy(Galaxy::Tutorial));
assert!(ctx.can_access_galaxy(Galaxy::Research));
assert!(!ctx.can_access_galaxy(Galaxy::Codex));
assert!(!ctx.can_access_galaxy(Galaxy::Karma));
// Sandbox can only write to Tutorial
assert!(ctx.can_write_galaxy(Galaxy::Tutorial));
assert!(!ctx.can_write_galaxy(Galaxy::Research));
}
#[test]
fn production_cannot_access_system_galaxies() {
let ctx = make_ctx("production");
assert!(ctx.can_access_galaxy(Galaxy::Codex));
assert!(ctx.can_access_galaxy(Galaxy::Research));
assert!(!ctx.can_access_galaxy(Galaxy::Karma));
assert!(!ctx.can_access_galaxy(Galaxy::Dharma));
assert!(!ctx.can_access_galaxy(Galaxy::Substrate));
assert!(ctx.can_write_galaxy(Galaxy::Codex));
}
#[test]
fn secure_can_access_all_memory_galaxies() {
let ctx = make_ctx("secure");
assert!(ctx.can_access_galaxy(Galaxy::Codex));
assert!(ctx.can_access_galaxy(Galaxy::Substrate));
assert!(ctx.can_write_galaxy(Galaxy::Codex));
// Secure still can't access non-memory galaxies
assert!(!ctx.can_access_galaxy(Galaxy::Karma));
}
#[test]
fn unknown_compartment_fails_closed() {
let ctx = make_ctx("bogus");
for g in Galaxy::all() {
assert!(
!ctx.can_access_galaxy(g),
"unknown compartment must not read {g:?}"
);
assert!(
!ctx.can_write_galaxy(g),
"unknown compartment must not write {g:?}"
);
}
}
#[test]
fn operation_id_propagates_and_defaults_none() {
let ctx = Context::default();
assert_eq!(ctx.operation_id, None);
let ctx_with_op = ctx.with_operation_id("01H7XYZ0000000000000000000");
assert_eq!(
ctx_with_op.operation_id.as_deref(),
Some("01H7XYZ0000000000000000000")
);
}
}