fix(ui): fit quest board dialogs on screen

knowledge/user-stories/us-010-generate-a-physical-quest-board.md

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+---
+type: User Story
+title: "US-010: Generate a physical quest-board structure"
+description: Let an administrator generate and register a decorative oak quest board at a targeted ground anchor.
+status: backlog
+---
+
+# US-010: Generate a physical quest-board structure
+
+As an **administrator**, I want quest-board creation to optionally construct a recognizable physical board so that I do not need to build each board manually.
+
+## Acceptance criteria
+
+- [ ] `/questadmin createboard physical` generates and registers a physical quest board while the existing `/questadmin createboard` behavior remains unchanged.
+- [ ] The targeted block is treated as the ground anchor and remains unchanged.
+- [ ] The generated board faces the administrator and is five blocks wide and four blocks tall.
+- [ ] The outer columns use oak-log pillars and the center uses oak planks.
+- [ ] Oak wall signs on the front display decorative obfuscated or gibberish text.
+- [ ] Clicking generated visible planks or signs opens the same globally shared quest-board interface.
+- [ ] Generation requires empty space and refuses to overwrite an existing structure.
+- [ ] Structure generation and interaction-location registration form one failure-safe transaction; failure restores changed blocks and registers nothing.
+- [ ] Generated interaction locations persist across restarts and remain compatible with existing registered boards.
+- [ ] The `physical` argument is offered through permission-aware command autocomplete.
+- [ ] Automated tests verify geometry, facing direction, obstruction handling, rollback, registration, persistence, and autocomplete.
+
+## Related
+
+- [US-002: Create and use shared quest boards](us-002-create-and-use-shared-quest-boards.md)
+- [US-009: Use a screen-fitting quest-board interface](us-009-use-a-screen-fitting-quest-board-interface.md)