#2212: benchmark, the merge-driver graph load, and callflow_html crashed
or silently failed on a --no-cluster graph.json (edges stored under
'edges', not 'links'). A shared load_node_link_graph helper normalizes
links/edges before node_link_graph and is used at all three sites.
#2210: _stale_graph_sources compared graph source_file spellings to the
scan with a raw string test (no NFC), and pruned any non-match with no
liveness check, so alive files (macOS NFD paths, legacy basenames) were
pruned as 'deleted'. It now compares NFC-on-both-sides and is fail-closed:
a corpus-missing source whose file still exists is pruned only when the
exclusion is provable, else kept with a warning. Prune message corrected
to 'deleted or excluded'.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
