agra 4b9324e585 feat: transitive quoted includes participate in the c-object cache key ...

The key previously covered the #source bytes + the block's DECLARED
headers, so a unit whose impl is a thin wrapper over an undeclared
header (vendors/kb_text_shape: two-line impl.c, all code in
kb/kb_text_shape.h) would serve STALE cached objects after an
upstream upgrade. collectIncludeDepBytes now walks the transitive
closure of quoted #include lines (includer-dir first, then -I dirs;
angle/system includes never participate; unresolvable names skip) and
the dep contents fold into the key — no sidecar, no compare logic, a
changed header is just a different key. Verified live: appending to
kb_text_shape.h mints a new cache entry; reverting hits the old one.

2026-06-12 18:48:56 +03:00

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