- ARCHITECTURE.md: update level-0 job counts (8332 full workspace, 3314
Compiler surface, 0 errors).
- PyrochloreSidonBridge.md: point to current pyrochlore_sidon_receipt_v2.json
(S=1) and note removal of stale S=5/2 receipt.
- fiedler_non_identifiability.md: new note on Fiedler non-identifiability.
This squashes all local history (768 commits) onto the scrubbed PR #90
baseline. Individual commits were lost during filter-repo corruption;
the working tree content is preserved intact.
Build: N/A (working tree state only)