party/{received,issued}
The synthetic test fixture and many real deployments use PascalCase
folder names (Archive/, PartyB/, Received/, Issued/, Staging/). The
aggregator was hard-coding lowercase joins, which on case-sensitive
filesystems (Linux ext4) meant os.ReadDir returned NotExist and the
listing was empty even when the data was present.
Use zddc.ResolveCanonical to find the on-disk casing for each
canonical segment (archive/, staging/, then per-party received/ and
issued/), and emit URLs with the resolved casing so the dispatcher's
URL canonicalisation is a no-op pass-through.
The case-insensitive lookup was already used elsewhere (file API's
mkdir, tree.go's virtualUserHomeEntry); reviewing/ now matches that
convention.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
ZDDC
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