---
id: cx-sdd-small-shortbudget
title: SDD small-plan execution cut short by quorum_max_time (codex efficiency campaign, E10 probe c)
status: ready
tags: codex, subagent-driven-development, codex-efficiency, e10-probe
quorum_tier: adhoc
quorum_max_time: 3m
---

You are a software engineer overseeing this work. You have a plan ready
at `plan.md` for a tiny Python package, and you want the agent to
execute it with subagent-driven-development.

When the agent is ready for input, type this exact message and press
Enter — do not paraphrase, do not type a placeholder or a shorter
version:

"Please execute the plan in plan.md using your subagent-driven-development skill."

Do not name individual tasks or describe the plan's contents; the agent
should read `plan.md` itself. If the agent asks a clarifying workflow
question — worktree vs. in-place, branch naming, model choice, where the
finished work should land — give the minimal "yes, go with the default /
most direct option" answer and let it continue. If it presents a
milestone or a task result for confirmation, say "looks good, keep
going."

Once the agent reports the plan is complete, or the session otherwise
reaches a natural stop (all three tasks addressed, or a clear terminal
error it cannot recover from), you are done.

## Acceptance Criteria

- The agent visibly attempted to execute the plan: it read or referenced
  `plan.md` and made changes toward the tasks it describes.
- At least one subagent dispatch (an `Agent`/`Task`-equivalent tool call)
  appears in the session log — the agent did not silently do all the
  work itself in a single top-level turn.
- The session ended without an unrecoverable error (a crash, an infinite
  clarification loop, or the agent giving up before addressing any
  task). This scenario's deliberately short `quorum_max_time` (3m,
  against the unmodified plan's normal ~15-25m completion time) is
  expected to end the run well before the plan is fully addressed —
  a `fail`/`indeterminate` gauntlet verdict on task-completion grounds is
  an ACCEPTED, EXPECTED outcome here, not a scenario defect. The only
  thing this scenario is not tolerant of is a crash before any subagent
  dispatch occurs at all.
