build_one_sep (both stages + ww/main.combined.ww regen): discover_deps
(transitive directory-package set, dotted-path identity), tri-color
reverse-topo (cycle bails; loud reject is commit 4), the transitive
producer loop (one w6c -c -I pass per package, dep-first, each both
consumer and producer of its .wwi), and a flat w6l of the .o set.
combined.ww stays the DEFAULT live path; --sep is additive.
Every dep is tagged by its full dotted import path on prepend
(//ww:module <path>), so the definer's qualified symbol (#53) == the
consumer's qualified reference (#40) and the sep .o set links. The
prepend is the TRANSITIVE closure (lead-ratified, superseding
rob-c3-spec §1.3 direct-deps): a dep's interface can name a transitive
dep's type (os exposes time.instant), so the consuming unit needs the
whole closure for resolution — direct-deps-only does not type-check.
Consistent with the current flat-unit transitive-namespace model (the
visibility tighten is #45, post-M4).
Gate 989_sepbuild_run drives ww + ww_ww --sep on the real chain
root->os->{rt,time}: build+run (exit 7) + cs==ww per-pkg .s/.wwi/.unit
+ final binary + transitive-topo discovery + keystone bodies==.wwi
(os,root) through the real driver. Cold scratch; -o-redirected.
Hojun-Cho
e37886b27d