Adds the risk register as a sibling of MDL under archive/<party>/, and
three project-level virtual aggregations at <project>/{ssr,mdl,rsk}:
- SSR aggregates archive/<party>/ssr.yaml; "+ Add row" materializes a
new party folder (mkdir + auto-own .zddc + ssr.yaml). Renames go
through X-ZDDC-Op: ssr-rename, which os.Rename's the party
directory so every row inside follows. Party name doubles as the
folder name (no opaque IDs) and is path-derived on read.
- MDL/RSK rollups list every deliverable / every risk across all
parties with a derived `party` column; "+ Add row" is suppressed
because party affiliation is ambiguous in the aggregate view.
All four virtual roots are declared `virtual: true` in
defaults.zddc.yaml. Spec/form bytes come from six new embedded
defaults (default-rsk.*, default-ssr.*, default-project-{mdl,rsk}.*)
served via a generalized IsDefaultSpec/IsDefaultSpecAbs that replaces
the MDL-only recognizer. Listing synthesis lives in fs/tree.go;
ACL on each synthetic row evaluates against the canonical
archive/<party>/ chain so non-owners see rows read-only. PUT/DELETE
through virtual URLs rewrite to canonical paths in fileapi.go via
sibling-shape blocks that don't touch the ACL gate. SSR row DELETE
returns 405 (delete the party folder via the archive view).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
ZDDC
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