data2dsl

Ticket 033: Mypy typecheck fix and Data2DslSkill unit test expansion

• ID: ticket-033
• Owner: unresolved:human
• Status: DONE
• Workflow state: DONE
• Created: 2026-08-21

Goal and scope

Fix mypy type narrowing issue in src/data2dsl_contract_v0/validate.py and add comprehensive unit tests for Data2DslSkill agent tool interface covering all 5 source adapter raw payload types, error scenarios, and self-test.

Acceptance criteria

• AC-01: src/data2dsl_contract_v0/validate.py passes mypy without union-attr errors.
• AC-02: tests/test_skill.py covers tool definitions, self-test, raw normalization across markdown, github, curllm, code2logic, code2schema, and error modes.
• AC-03: python -m pytest tests/ -q passes with 25/25 tests green.
• AC-04: python -m ruff check src/ tests/ reports zero errors.
• AC-05: The deterministic governance gate passes.

Participants

• Human participant: unresolved; no user-* file was created by this script.
• Agent participant: ai-antigravity.md