codetether-agent 4.7.0-a-002.4

A2A-native AI coding agent for the CodeTether ecosystem
Documentation 
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//! Match-arm bodies for [`super::policy::derive_with_policy`].
//!
//! Lives in its own file purely to keep `policy.rs` under the
//! 50-line code-budget ratchet.

use std::sync::Arc;

use anyhow::Result;
use tokio::sync::mpsc;

use crate::provider::{Provider, ToolDefinition};
use crate::session::{Session, SessionEvent};

use super::helpers::DerivedContext;
use super::incremental::{DEFAULT_INCREMENTAL_BUDGET, derive_incremental};
use super::reset::derive_reset;

/// Run the [`DerivePolicy::Reset`] arm.
#[allow(clippy::too_many_arguments)]
pub(super) async fn dispatch_reset(
    session: &Session,
    provider: Arc<dyn Provider>,
    model: &str,
    system_prompt: &str,
    tools: &[ToolDefinition],
    threshold_tokens: usize,
    event_tx: Option<&mpsc::Sender<SessionEvent>>,
) -> Result<DerivedContext> {
    derive_reset(
        session,
        provider,
        model,
        system_prompt,
        tools,
        threshold_tokens,
        event_tx,
    )
    .await
}

/// Run the [`DerivePolicy::Incremental`] arm.
#[allow(clippy::too_many_arguments)]
pub(super) async fn dispatch_incremental(
    session: &Session,
    provider: Arc<dyn Provider>,
    model: &str,
    system_prompt: &str,
    tools: &[ToolDefinition],
    budget_tokens: usize,
    event_tx: Option<&mpsc::Sender<SessionEvent>>,
) -> Result<DerivedContext> {
    let budget = if budget_tokens == 0 {
        DEFAULT_INCREMENTAL_BUDGET
    } else {
        budget_tokens
    };
    derive_incremental(
        session,
        provider,
        model,
        system_prompt,
        tools,
        budget,
        event_tx,
    )
    .await
}