Adds the recursive paths: schema and the cascade walker that threads
ancestor virtual contributions through to descendant levels.
Schema:
paths:
"*": # literal-segment or "*" segment-wildcard key
paths: # recursive — each step matches one segment
archive:
paths:
"*":
paths:
incoming:
title: "demo"
Each on-disk .zddc and the embedded defaults can declare paths:; the
walker collects every matching subtree and merges its contributions
into chain.Levels[depth] using mergeOverlay (per-field overlay with
on-disk most specific). The matched glob descends one segment at a
time; the value's own paths: becomes a new virtual source for deeper
matches.
Semantics:
- matchGlob: literal key first (case-insensitive on segment),
"*" wildcard fallback.
- mergeOverlay: top wins per-field on scalars; maps merge key-by-
key with top overriding; lists concat-dedupe; Paths replaces
(recursive walker threads it through naturally).
- inherit:false at any on-disk level drops accumulated ancestor
virtual sources AND zeroes chain.Embedded — the operator owns
every rule from that level outward.
- Behaviour is bit-identical when no .zddc declares paths:; the
walker reduces to the prior linear cascade.
Eight new tests cover the glob match table, ancestor-paths
contribution, on-disk-wins override, paths-absent bit-identical
behaviour, and inherit:false dropping ancestor paths: contributions.
All existing tests still pass.
Phase 3 next: populate defaults.zddc.yaml with the canonical
ZDDC convention via paths:, and replace apps.DefaultAppAt /
AppAvailableAt / AutoOwnCanonicalNames / VirtualOnlyCanonicalNames /
IsProjectRootFolder / IsArchivePartyFolder with cascade lookups.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
ZDDC
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