fix(detect): Guard against zero-height pixmap segfault#206
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Some PDFs produce degenerate clip rectangles that render as 0-height pixmaps. Accessing is_unicolor or samples on these causes a segfault in PyMuPDF. Skip them early. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Ensures short but real redactions (two-character numbers) continue to be detected and aren't filtered by the single-char check. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
is_unicolororsamplestest_short_text_redactiontrue positive test to ensure short real redactions (e.g.,34) continue to be detectedTest plan
test_short_text_redactionverifies short text is still caught🤖 Generated with Claude Code