A practical two-layer design for preserving old conversations, maintaining reviewed current state, and tracing every fact back to its source.
Author: Lachlan Chen
Test One Chapter Before Typesetting the Whole Book
A practical way to test print layout, reflowable EPUB, navigation, corrections, and source integrity on one representative chapter before committing to a whole book.
Six AI Clips Are Not a Brand Film: A Practical Assembly Pass
A practical way to turn a small set of AI-generated clips into one coherent short film: define the change, assign each shot a job, cut the silent story first, and keep the handoff reproducible.
How to Deliver Cantonese Subtitles in Traditional and Simplified Chinese
A practical workflow for producing one checked Cantonese timeline, Traditional and Simplified Chinese SRT files, and a verifiable H.264 preview.
How to Turn Meeting Transcripts Into Auditable Decisions and Action Items
A practical way to turn meeting transcripts into decisions, actions, risks, and reusable knowledge without losing the exact words behind each item.
How to Turn a Lecture Into Bilingual Subtitles and a Study Guide
A practical source-first workflow for turning one owned lecture into corrected subtitles, aligned bilingual text, a pocket study guide, and concepts that still point to the exact moment in the recording.
Before You OCR 1,000 Multilingual Books, Build a Small Test Set
A practical way to compare OCR engines on a large multilingual book archive: sample the real page types, measure text and reading order separately, preserve the source, and route each page to the workflow that actually wins.
Before You Index 17,000 Research PDFs, Test the Collection
A practical integrity test for scientific PDF collections: identify versions, audit extraction, preserve page-level provenance, measure retrieval, and build the knowledge graph only after the evidence is stable.
Both LaTeX Versions Compile, but the Latexdiff File Does Not
Treat a journal redline as a third reproducible build: freeze both baselines, flatten carefully, compile in the same toolchain, and fix the first real error.
One Fact, Two Sources: Deduplicating Study Cards Across Chapters and Lecture Transcripts
Keep one study fact and its review history while attaching evidence from both textbook pages and lecture timestamps.