Normalize shell command stdout and stderr before the prompt-shell path and shared tool-result mappers use string operations. This prevents /security-review from crashing when a shell tool returns null output fields and adds regression coverage for both direct mapper calls and prompt generation.
Fixes#165
Co-authored-by: Claude <noreply@anthropic.com>
Squash the current repository state back into one baseline commit while
preserving the README reframing and repository contents.
Constraint: User explicitly requested a single squashed commit with subject "asdf"
Confidence: high
Scope-risk: broad
Reversibility: clean
Directive: This commit intentionally rewrites published history; coordinate before future force-pushes
Tested: git status clean; local history rewritten to one commit; force-pushed main to origin and instructkr
Not-tested: Fresh clone verification after push
