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name: unit-planner description: | Instantiate or update a workspace UNITS.csv from a selected pipeline and units template (deps/checkpoints/acceptance). Trigger: unit planner, generate UNITS.csv, execution contract, units template, 生成工作单元. Use when: 初始化/更新执行合同：从 pipeline 选择生成 UNITS.csv，或 scope 扩展需要新增 units/依赖。 Skip if: UNITS.csv 已正确反映当前 scope（无需重写）。 Network: none. Guardrail: 保持 CSV 合法；scope 增长时新增 units；只在满足验收后标 DONE。

Skill: unit-planner

Goal

• Turn a pipeline (pipelines/*.pipeline.md) into a concrete UNITS.csv contract for a specific workspace.

Inputs

• PIPELINE.lock.md (preferred) or a chosen pipelines/*.pipeline.md
• templates/UNITS.*.csv referenced by the pipeline front matter
• Existing workspace artifacts (to adjust scope if needed)

Outputs

• UNITS.csv (in the workspace root)
• Optional: STATUS.md updated with next runnable units

Procedure (MUST FOLLOW)

Uses: templates/UNITS.*.csv.

1. Read PIPELINE.lock.md (or ask to create it via pipeline-router).
2. Copy the pipeline’s units_template into the workspace as UNITS.csv if missing.
3. If UNITS.csv exists, only edit it to reflect:
   • new scope (add rows)
   • corrected dependencies
   • clarified acceptance criteria
4. Ensure every unit has: unit_id, skill, outputs, acceptance, checkpoint, status, owner.
5. Keep checkpoints consistent with CHECKPOINTS.md; add missing checkpoints if the pipeline uses custom checkpoints.

Acceptance criteria (MUST CHECK)

• UNITS.csv parses as CSV and includes all required columns.
• Every depends_on references an existing U###.

Side effects

• Allowed: edit UNITS.csv, STATUS.md, CHECKPOINTS.md (for adding custom checkpoints).
• Not allowed: change pipeline files in pipelines/ unless requested.

Troubleshooting

Issue: PIPELINE.lock.md is missing

Fix:

• Run pipeline-router (Mode A) or python scripts/pipeline.py kickoff|init to create PIPELINE.lock.md before generating units.

Issue: UNITS.csv becomes invalid CSV after edits

Fix:

• Keep semicolon-delimited inputs/outputs and avoid unescaped commas inside fields; validate with python scripts/validate_repo.py.