Work only in /Users/sdan/Developer/continualcode/demo and find the highest-impact failing test.
Patch only the root cause with minimal edits in /demo.
Add or keep only the smallest test needed to prove the fix.
Run the most targeted demo test command first.
If targeted test passes, run full demo tests.
Read first, then use edit_lines; do not overwrite whole files.
Summarize in 3 bullets: root cause, exact files changed, verification.
