harn-stdlib 0.10.133

Embedded Harn standard library source catalog
Documentation 
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import { __judge_tool_descriptor } from "std/agent/judge_evidence"
import { __tool_result_name } from "std/agent/loop_result_status"
import { agent_stall_initial_state } from "std/agent/stall_config"
import { __agent_stall_fold_diagnostic } from "std/agent/stall_observation"
import { AgentStallCheckpoint, AgentStallState } from "std/agent/stall_types"

/**
 * Start an explicit detector lifetime shared by sequential stages of one session.
 * @effects: []
 * @errors: []
 */
pub fn agent_stall_initial_checkpoint(session_id: string) -> AgentStallCheckpoint {
  return {
    session_id: session_id,
    state: agent_stall_initial_state(),
    dispatch: nil,
    dispatch_position: 0,
    consumed_dispatch_position: 0,
    dispatch_made_edit: false,
    verification_dispatch: [],
  }
}

/**
 * Inspect the latest completed dispatch without advancing the committed checkpoint.
 * The next loop commits pending evidence through its normal pre-turn fold once.
 * @effects: [agent]
 * @errors: [agent_loop]
 */
pub fn agent_stall_checkpoint_state(
  agent: HarnessAgent,
  checkpoint: AgentStallCheckpoint,
) -> AgentStallState {
  __agent_stall_validate_checkpoint(checkpoint)
  if checkpoint.consumed_dispatch_position == checkpoint.dispatch_position {
    return checkpoint.state
  }
  return __agent_stall_fold_diagnostic(
    agent,
    checkpoint.state,
    checkpoint.verification_dispatch,
    checkpoint.dispatch_made_edit,
  )
}

pub fn __agent_stall_validate_checkpoint(checkpoint: AgentStallCheckpoint) -> nil {
  require checkpoint.consumed_dispatch_position >= 0
    && checkpoint.dispatch_position >= checkpoint.consumed_dispatch_position
    && checkpoint.dispatch_position <= checkpoint.consumed_dispatch_position + 1,
    "agent_loop: invalid stall checkpoint dispatch position"
  require checkpoint.consumed_dispatch_position == checkpoint.dispatch_position
    || checkpoint.dispatch != nil,
    "agent_loop: pending stall checkpoint has no dispatch"
  return nil
}

// Completion and stall decisions share the declared verification role. Preserve
// dispatch order: a later verification supersedes an earlier one in this turn.
pub fn __agent_stall_verification_dispatch(dispatch: list?, opts: dict) -> list {
  let latest = []
  for result in dispatch ?? [] {
    const semantics = __judge_tool_descriptor(opts, __tool_result_name(result))
    if semantics.evidence_role == "verification"
      && (result?.dispatch_receipt?.disposition ?? "executed") == "executed"
      && result?.status != "running" {
      latest = [result]
    }
  }
  return latest
}