stack: Provider-Schicht für Aufgaben-Tracker mit Super-Productivity-Adapter (#124)

Files changed:
- .gitignore
- CHANGES.md
- VERSION
- tools/CONTRACT.md
- tools/chemenu/commands/docs_verify.py
- tools/chemenu/commands/doctor.py
- tools/chemenu/config.py
- tools/chemenu/errors.py
- tools/chemenu/tasks/__init__.py
- tools/chemenu/tasks/config.py
- tools/chemenu/tasks/protocol.py
- tools/chemenu/tasks/superproductivity.py
- tools/chemenu/tests/test_doctor.py
- tools/chemenu/tests/test_superproductivity.py
- tools/chemenu/tests/test_tasks_config.py
- tools/chemenu/tests/test_tasks_protocol.py

.gitignore

@@ -133,6 +133,14 @@ npm-debug.log*
 # co-locates with.
 /.wikitool-upload.json
 
+# Task-tracker provider opt-in (Gitea #124, AGENTS.md's task/project routing) -
+# which provider the GTD weekly review talks to, its connection details, and
+# the review's three staleness thresholds. Per-checkout for the same reason as
+# the three files above: the provider and its credentials belong to one
+# checkout's own tracker, not to the corpus. Absent means no tracker is
+# configured; `doctor` reports which.
+/.wikitool-tasks.json
+
 # Coverage output from `pytest --cov` (see .gitea/workflows/ci.yml). Derived,
 # like reports/: recomputable from any commit, and `publish` runs `git add -A`,
 # so an unignored htmlcov/ would commit itself on the next content publish.