chore: clean up lint and scratchpad

docs/refactor/send-refactor.md

@@ -1,7 +0,0 @@
-# send-refactor scratchpad
-
-- [x] Commit + push current outbound refactor changes
-- [x] Step 1: centralize outbound target validation
-- [ ] Step 2: normalize payloads + single delivery call
-- [ ] Step 3: unify outbound JSON/result formatting
-- [ ] Cleanup: delete scratchpad, final lint + tests, commit + push