When a QC uploaded the XDAL 600 report, the CoC PDF render pipeline
now appends the Fischerscope PDF directly after the cert pages. This
matches what aerospace / Nadcap auditors expect (and how Steelhead
ships certs today) — a single PDF file carrying both the certificate
declaration and the raw equipment report.
Flow:
* _fp_generate_cert_pdf renders the CoC via QWeb as before
* _fp_merge_thickness_into_cert resolves the QC for the MO (preferring
the passed one) and extracts its thickness_report_pdf_id bytes
* PyPDF2.PdfMerger concatenates CoC then Fischerscope into a single PDF
* Merged bytes replace pdf_content before the ir.attachment is written
* Falls back to CoC-only (and logs a warning) if PyPDF2 is missing or
either PDF fails to parse — never blocks MO completion
Smoke test: synthetic Fischerscope + real QWeb CoC → 2-page merged PDF
with page 1 CoC text and page 2 Fischerscope text, verified via
PyPDF2 extract_text.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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