v3.0.0

This is a breaking architectural release of clawchief.

Breaking changes

Todoist is now the only canonical live task system.
The old markdown task model built around clawchief/tasks.md and clawchief/tasks-completed.md is no longer the public operating model.
Google workflows now run through gws-backed helper scripts instead of the older raw gog-first guidance.
The public pack now includes a shared task-system contract, helper scripts, and tests as part of the core architecture.

Added a Todoist-backed task architecture with:
- skills/task-system-contract/SKILL.md
- clawchief/task-system-acceptance.md
- clawchief/scripts/todoist_cli.py
Added gws-backed helper scripts for:
- Gmail
- Calendar
- Sheets
- outbound outreach
Added new source-of-truth files for:
- location-aware task/actionability rules
- knowledge compilation / linting behavior
- thin task-system audit governance
Updated the EA, BD, daily-task-manager, and daily-task-prep skills to match the revised live system
Replaced the old cron template wording with deterministic trigger prompts
Added a public test suite to keep the pack aligned with the revised behavior