Task 1: foundation (config 6 env + state.signals) Task 2: signal_generator + 9 unit tests (TDD) Task 3: pull_worker + main.py integration + 1 test Task 4: user manual (.env optional + smoke + push) 10 new tests, total 55 signal_v2 tests. ~3-5 days. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>