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

instructions/wiki-ingest/SKILL.md

@@ -1,6 +1,6 @@
 ---
 name: wiki-ingest
-description: Process a new source file into the LLM wiki - extract entities and concepts, create a source summary page, cross-reference, rebuild indexes, and publish. Use when the user drops a file into incoming/ or raw/, or says "ingest <file>", "process this source", "add this to the wiki".
+description: Processes a new source file into the LLM wiki - extracts entities and concepts, creates a source summary page, cross-references, rebuilds indexes, and publishes. Use when the user drops a file into incoming/ or raw/, or says "ingest <file>", "process this source", "add this to the wiki".
 ---
 
 # Wiki Ingest