Scanned-PDF Invisible OCR Layer ('3 Tr') vs Visible-Image Discrepancy & Prompt-Injection X-Ray

Deterministic PDF content-stream '3 Tr' (invisible rendering mode) & z-order occluded-glyph extractor + localized optical glyph verification & Levenshtein numeric/entity divergence detector + hidden LLM prompt-injection hunter engine (.pdf) built for ABBYY FineReader, Adobe Acrobat OCR, Legal AI / RAG Security, DocuSign — zero-upload ephemeral Wasm RAM execution.

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