Respackopts

Commits in Release 26.2.0:

• docs: add additional pack
• docs(README): reword performance measurement repro disclaimer
• build: tweak loom config for new changes
• fix: tag exprs with source file
• feat: show result signatures in /rpoc execute
• feat: add /rpoc execute as to execute in pack scope with IOLib
• test: adjust for attached file name
• perf: lazy expansion
• build: correct contact indentation
• fix: check for prefix in all input sequence permutations
• chore: update to 26.2