name: sonnet-impl-narrow
version: 1
description: Single-file impl of a tagged spec requirement against existing tests, sonnet in worktree
runtime: sonnet-impl-narrow
input:
  state: test-validated
  tags_forbidden: [security-sensitive, multi-file, algorithmic-large]
  required_artifacts: [test_file, impl_skeleton, prompt_pack]
output:
  state: impl-green
scope_budget:
  files_modified_max: 1
  lines_diff_max: 80
  wall_clock_seconds_max: 1800
nodes:
  - id: agent
    kind: agent
    template: code-sonnet-tdd-repo
    prompt: "Implement the failing test. Test file: ${artifacts.test_file}. Skeleton: ${artifacts.impl_skeleton}."
escalation:
  scope_exceeded: replan-spec-opus
  agent_bailed: sonnet-impl-narrow