Consolidate everything from the archived transaction-forensics repo

[chrbailey]

Why

You weren't sure whether you'd accidentally created two repos. Here's the answer: the other repo (chrbailey/transaction-forensics) is already archived, and its own ARCHIVED.md explicitly names this repo as its successor — "contains everything in this repo plus...". So this repo is canonical. But that "contains everything" claim wasn't actually true: several artifacts never made it over. This PR finishes the consolidation so nothing is lost.

I did not touch the source repo — it stays archived and keeps feeding its existing Vercel site. This is purely additive: everything unique comes into this repo.

Brought over

• herb-nlp/ — the unstructured-text NLP pipeline that was only in the archived repo:
  • analyze.py (TF-IDF + KMeans pattern engine over 37,064 HERB documents)
  • bertopic_cluster.py, network_analysis.py, temporal_analysis.py
  • requirements.txt + a README explaining how it relates to the forensic engine
• demo/portfolio/ — the 6-lens portfolio dashboard (Overview, CRM Pipeline, BPI Challenge, IDES Compliance, Client Cases, NLP Patterns) over real datasets (251,734 BPI POs, 7 IDES compliance violations, 3M+ ERP records, 37,064 HERB docs), plus its pattern_cards.json. It deploys at /portfolio/ on GitHub Pages.
• demo/index.html — a "Full Analysis ↗" nav link from the animated landing page to the portfolio dashboard.
• README.md — a table documenting the six lenses and the herb-nlp/ pipeline.

Verification

• All four migrated Python scripts pass py_compile.
• Portfolio dashboard: valid HTML, all 6 tabs present, pattern_cards.json is valid JSON.
• Animated demo render test still passes all 12 checks, zero JS errors.

Suggested follow-up (your call, not in this PR)

Now that this repo truly contains everything, you could point the existing transaction-forensics.vercel.app project at this repo (Vercel → Project → Settings → Git) so your established URL serves the consolidated site. I can't change another repo's Vercel binding from here, but I left vercel.json in place so it works with zero config.

https://claude.ai/code/session_0194vyNiy4Nn95aSHdA7ENgJ

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