* fix(F1085): scope rm to /configs volume in deleteViaEphemeral
Regressed by commit 49ab614 ("CWE-78/CWE-22 — block shell injection
in deleteViaEphemeral") which changed the rm form from the scoped
concat "/configs/" + filePath to the unscoped 2-arg "/configs", filePath.
With 2 args, rm receives /configs as the first target — rm -rf /configs
attempts to delete the entire volume mount before processing filePath,
which is the F1085 (Misconfiguration - Filesystems) defect. The concat
form passes a single scoped path so rm only touches files inside /configs.
validateRelPath call retained as CWE-22 defence-in-depth.
* docs: note F1085 defect in deleteViaEphemeral 2-arg rm form
Amends the CWE-22+CWE-78 incident entry to record that commit 49ab614
regressed the F1085 (volume deletion scope) fix, and that f1085-fix
commit a432df5 restores the correct concat form.
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Co-authored-by: Molecule AI CP-QA <cp-qa@agents.moleculesai.app>