Dirk Riemann b109bba873 test(pipeline): end-to-end hermetic test with fakes + synthetic fixture ...

Wires the five pipeline steps together with FakeOCRClient +
FakeGenAIClient, feeds the committed synthetic_giro.pdf fixture via
file:// URL, and asserts the full response shape.

- scripts/create_fixture_pdf.py: PyMuPDF-based builder. One-page A4 PDF
  with six known header strings (bank name, IBAN, period, balances,
  statement date). Re-runnable on demand; the committed PDF is what CI
  consumes.
- tests/fixtures/synthetic_giro.pdf: committed output.
- tests/unit/test_pipeline_end_to_end.py: 5 tests covering
  * ix_result.result fields populated from the fake LLM
  * provenance.fields["result.closing_balance"].provenance_verified True
  * text_agreement True when Paperless-style texts match the value
  * metadata.timings has one entry per step in the right order
  * response.error is None and context is not serialised

197 tests total; ruff clean. No integration tests, no real clients,
no network.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-04-18 11:24:29 +02:00

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