docs(spec): split execution modes from application-profile into job-sandbox-execution
- application-profile keeps the profile core: config, access and submit,
dispatch record, outer pre/post-exec layer; mode: accepts only direct
- sandbox mode + options, I/O directories, capability advertisement and
placement by mode move to job-sandbox-execution
- order: application-profile requirements/design before job-config-merge
design; implementation interleaves
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Rongsong Shen
d1e03055e4
