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stack/packages/mosaic/framework
topher 2435e74b8e
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fleet: T110 rework - exact fleet/bin ownership, absolute fallback guard, mutation-controlled suite
B1 (rev-code-02): fleet/bin/** made keep-mode update prune existing estate
executables absent from the package source. Replaced with exact entries
(fleet/bin/mosaic, fleet/bin/test-mosaic-launcher.sh); parity spec gains a
dedicated ownership probe asserting the two shipped files are framework-owned
while seat-up.sh, launch-seat.sh and the directory itself stay operator-owned,
on both resolvers.

B2: a relative HOME bypassed the fallback guard (component probes were
absolute-prefixed, so a relative candidate walked nonexistent absolute paths
and a planted cwd-relative CLI executed). The untrusted fallback candidate is
now refused unless absolute, with parent-escape (..) components refused as
well; the symlink walk then applies.

B3: A6 planted the executable off the resolved candidate path, so a
guard-bypass mutant stayed green (nothing executable at the candidate). The
symlink now points at $PLANT/.npm-global so the candidate resolves exactly to
the planted binary, and the suite gains two mutation controls: a
guard-bypassed copy MUST execute both the absolute-symlink plant and the new
relative-HOME plant (sentinels asserted present), while the real launcher
refuses both (rc 127, diagnostics, sentinels absent).

Marker T110-DISPATCH-TOPHER-1N2O / ORCH-T110-REWORK-M5N6.
2026-08-29 19:30:23 -05:00
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