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Bump backend to the EXT-16 exec backend merge (Backend #119)

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Why: EXT-16 abstracts the interpreter launch point into an ExecBackend
port (direct = byte-identical status quo; sandbox = bwrap isolation:
ro root, tmpfs /home+/tmp, session/skills-only writable mounts, no
network, ulimit -u fork cap, timeout kills the namespace) with config
key execBackend, env AGENT_SYSTEM_EXEC_BACKEND, CLI --exec-backend and
extension.Options.ExecBackend (SurfaceVersion 2.6.0-experimental).
DisableExecTools stays the top-priority fail-closed switch; RDM keeps
DisableExecTools=true until G3-7.

Evidence: Backend #119 head 4badecb vet-and-test CI success, merged as
1a55089; local escape negatives all blocked (home secret, sibling
session, network, 400-proc spawn storm, 60s-sleep timeout kill,
orphan die-with-namespace) recorded in the task card evidence rows;
full make test at this head recorded on the card.

Impact: umbrella gitlink only; no source edits outside modules/backend.

Refs: proposal modules/documents docs/proposals/2026-10-09-ext-g1-b1-b3
(EXT-16); Backend #119; Backend #110 (DisableExecTools).
This commit is contained in:
weichen
2026-10-09 17:03:12 +00:00
parent ac0b616ae8
commit efad2d1570
1 changed files with 1 additions and 1 deletions
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