docs: improve AI agent workflow and instruction framework

- strengthen agent workflow rules and commit/log ordering
- improve AI logging instructions and traceability
- add agent framework documents and task generation tooling
- keep repository workflow consistent for future AI-assisted tasks

instructions-agent.md

@@ -105,6 +105,12 @@ Mandatory rules:
 3. If the task was driven by a meaningful prompt, also append an entry to `docs/ai-prompts.md`.
 4. Logging is part of the task itself and must not be skipped.
 5. The task is not complete until the logs are updated.
+6. Logs must always be written **before creating a commit**.
+7. The agent must ensure that the following files are updated and staged before any commit:
+   - `docs/ai-worklog.md`
+   - `docs/ai-prompts.md`
+8. If a commit is created without the corresponding log entries, the task is considered incomplete and must be corrected.
+9. Log entries must be part of the same commit whenever possible to maintain traceability between the code change and the AI task that produced it.
 
 Each worklog entry must include:
 - date