task: Weekly review proposes task new/task close; tracker gains a closing write path

Files changed:
- CHANGES.md
- INSTALL.md
- README.md
- VERSION
- docs/knowledge-and-commitment.md
- instructions/gtd-weekly-review/SKILL.md
- instructions/ingest-large-tree.md
- instructions/wiki-ingest/SKILL.md
- tools/CONTRACT.md
- tools/chemenu/commands/review_cmd.py
- tools/chemenu/commands/task_cmd.py
- tools/chemenu/review.py
- tools/chemenu/tasks/protocol.py
- tools/chemenu/tasks/superproductivity.py
- tools/chemenu/tests/test_review.py
- tools/chemenu/tests/test_superproductivity.py
- tools/chemenu/tests/test_task_cmd.py

VERSION

@@ -1 +1 @@
-7.0.0-beta.14
+7.0.0-beta.15