Skill-Namensfamilien: weekly-review -> gtd-weekly-review, dritte Person in allen Descriptions (#129)

Files changed:
- AGENTS.md
- CHANGES.md
- INSTALL.md
- README.md
- VERSION
- instructions/CONTRACT.md
- instructions/dev/stack-close/SKILL.md
- instructions/dev/stack-dev/SKILL.md
- instructions/gtd-weekly-review/SKILL.md
- instructions/setup-instance.md
- instructions/weekly-review/SKILL.md
- instructions/wiki-ingest/SKILL.md
- instructions/wiki-lint/SKILL.md
- instructions/wiki-manage/SKILL.md
- instructions/wiki-query/SKILL.md
- instructions/wiki-status/SKILL.md
- tools/chemenu/tests/test_instructions_cmd.py

AGENTS.md

@@ -237,7 +237,7 @@ ships the first verbatim and the second only as a `.template`.
 | `wiki-manage` | A page needs creating, or new information needs integrating into one |
 | `wiki-lint` | The wiki needs a health check (also every 10 sources) |
 | `wiki-status` | A quick read-only snapshot is wanted, without a full lint |
-| `weekly-review` | `wikitool review` has findings nobody has acted on yet, or the user asks for the weekly review |
+| `gtd-weekly-review` | `wikitool review` has findings nobody has acted on yet, or the user asks for the weekly review |
 
 Shared procedures that several skills call into: `tools/wikitool instructions list`.