docs: update TASKS and journal with latest documentation and planning refinements

Author: apiad

TASKS.md

@@ -19,6 +19,9 @@ Put done tasks into the Archive.
 ---
 
  ## Archive
+- [x] Refine `/plan` command to strictly enforce a non-execution mandate for generated plans. (2026-03-11)
+- [x] Integrate MkDocs with Material theme and setup automatic GitHub Pages deployment via CI/CD. (2026-03-11) (See plan: plans/mkdocs-integration.md)
+- [x] Create comprehensive project documentation in `docs/` (Overview, Deployment, Design, Development). (2026-03-11)
 - [x] Refine `/onboard` command to include documentation or source code discovery. (2026-03-11)
 - [x] Simplify `/onboard` command to use direct file analysis instead of sub-agents. (2026-03-11)
 - [x] Implement conditional journal hook enforcement based on file modification times. (2026-03-11) (See plan: plans/conditional-journal-enforcement.md)

journal/2026-03-11.md

@@ -5,3 +5,6 @@
 - Refined the conditional journal enforcement hook to correctly detect new work based on modification times.
 - Simplified the `/onboard` command to use direct file analysis instead of sub-agents for better efficiency.
 - Refined `/onboard` to include discovery of the `docs/` folder or key source code files.
+- Implemented a comprehensive project documentation suite in the `docs/` directory (Overview, Deployment, Design, and Development guides).
+- Integrated MkDocs with Material theme and configured automatic GitHub Pages deployment via GitHub Actions.
+- Refined the `/plan` command to strictly enforce a non-execution mandate, ensuring plans are only analyzed, verified, and saved.