catalog-impact built its PuppetDB client without a Warn hook, so a host whose
fact records all failed to decode vanished from the estate table with no
warning on any output path.
- wire catalog-impact's Warn hook into NodeWarnings
- default an unset Warn to stderr so a dropped record is never silent
- thread stderr through run() instead of writing os.Stderr directly
- count dropped fact records in the explain resolution-incomplete line
- rename internal/pdbmux to internal/puppetdb
- fetch facts with one GET /pdb/query/v4/facts AST query per node
- drop the per-node fallback route and its two response shapes
- rename --pdb to --puppetdb, CATALOG_DIFF_PDB to CATALOG_DIFF_PUPPETDB and
pdb_url to puppetdb_url
- describe the fact source generically in the README and AGENTS.md
unkin-agent