CAIN-INV-1538: E26 in-process executors for additional Frontier-20 products + the Frontier matrix

UNTESTED source compiles

Domain	PHYSICAL_AI_AND_WORLD_MODELS
Tier	IMPLEMENTATION
Source	`cain/e26/frontier_executors.py`
Mapped tests ran	0
Passed / failed / errored	0 / 0 / 0
Compiles	yes

Mapped tests

No mapped test file in the register.

Generated 2026-10-06T19:15:35Z from git unknown. This page is a republication of the run result; it is not an independent audit.

Same-project verification only. The tests are authored in this repository; no third party has reviewed or reproduced these results. VERIFIED means the mapped tests passed in this run, not that the mechanism is independently correct.