REPORT — study-crush (PMO verification, 2026-08-28)

Deliverable: /home/reachableceo/projects/meta/MOPAC/harness/docs/PORTING-NOTES-crush.md
Covers: crush internals — MCP via go-sdk, session model, skip-list, exposure-minimization protocol (env/VAR indirection, redaction, canonical-source regeneration).
PMO-verified: file exists; committed (a606810) and pushed to ukrrs/MOPAC on main.
Redmine issue 480 (Study crush internals) set to status_id 3 (closed) with journal note.
STATUS: DONE.