Expand description
emspace CLI output.
Page bodies are what an agent edits with page edit anchors, so they are
never touched: only the metadata header of a single page show is
shortened. JSON, --body, schema and run output are verbatim data
(shell::compress::classification) and do not reach this compressor;
everything else (listings, status, orient) is returned unchanged by the
caller, since emspace output is owned here (patterns::has_vcs_owner).
Collapsing listing padding was measured and saved no tokens: the
tokenizer encodes runs of spaces as one token.