#24491 web(devbox): excuse the desktop source digest awaiting its rebake after b5f75830 (base red)

Summary

Base red fix. b5f75830c15f ("cmux-tui-hooks: bound the codex config lock wait to 15 s") changed web/services/vms/images/devbox/agent-config.sh without a bake. Since then tests/vm-image-manifest.test.ts ("every default was baked from this checkout's devbox sources") fails on the Web tests (4/4) shard of every feat-cmux-next PR that runs it, e.g. #21233 job 120250752076:

freestyle-cmux-devbox-38669994342-sm: baked from devbox sources 28fce1e49495… (schema 2), this checkout's desktop sources are 575e883ec36e…

This moves DEVBOX_AWAITING_REBAKE's current to the new digest, the same way #24270 did after 089cd3e3dc92 and 5901bc15bec0.

Verification

• The full digest 575e883ec36e321ff92b63e79fbc339a6c0b877510be882304acfbca402cf17e was computed by a Python transcription of devboxSourceManifest/devboxSourceDigest. The transcription reproduces the previous current (de5d89d6…) at 20ccc472754e and at b5f75830c15f^. At b5f75830c15f and at the current feat-cmux-next tip 6205b02791b6, it gives 575e883ec36e…, which matches the 12-character prefix CI prints.
• Web tests (4/4) on this PR runs the manifest test.

No capture: no UI change.

🤖 Generated with Claude Code

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Summary by cubic

Fixes the base red on feat-cmux-next where tests/vm-image-manifest.test.ts fails because b5f75830 changed agent-config.sh without a bake.

Updates DEVBOX_AWAITING_REBAKE's current to the new desktop sources digest 575e883ec36e…, computed with a transcription of devboxSourceManifest/devboxSourceDigest that reproduces the previous digest on the last known-good commit.