The content store never shrinks on its own — deleting a save removes only
tomls, never store audio (D7) — so unreferenced audio accumulates. The new
/orphans provider surfaces it for reclamation (realizing store D10).
It lists every store entry, walks the mounted file providers (the /crabidy
tree and /fs) to cross off entries a Playable::Store toml still references,
and presents the rest. Each orphan is an editable + deletable + queueable
child node, so the existing e/d/queue gestures work unchanged — no proto,
TUI, or web change. Rename moves both the audio file and its
.cbd-store.toml sidecar (keeping the derived index in sync); delete removes
both from disk; queueing plays straight from the store.
Enumeration/rename/delete are CrabidyStore methods (it owns the store root
and index); a thin OrphansProvider computes the reference roots and
delegates. fsdy::Client gains a disk_root() accessor so the /fs root can be
handed in as a reference root. Mounts only when the store is present.
Includes the dev-flow artifacts (architecture/quality/plan) and docs.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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