Docs: item drops configuration page

[sven-n]

Documents the new Item Drops page of the admin panel, which was added in #987.

Changes

• New page admin-panel/item-drops.md, added to the sidebar right after Game configuration:
  • How drops are determined:
    • Which groups apply to a killed monster: its own groups, the map groups matching its level and monster restriction, and quest groups. Destructibles only use their own groups.
    • Guaranteed groups (100 %) each use up one roll; the remaining rolls pick one of the other groups by chance.
    • The chances of those groups are added up per roll. If they exceed 100 %, they are scaled down, and there is no chance of dropping nothing.
    • What a selected group drops: one of its possible items, or depending on its type a random item, an excellent or ancient item, or money.
  • One subsection per section of the page, with tables explaining the fields.
  • Three screenshots: the drop chance overview per monster, monster drops and item box drops.
• game-configuration.md
  • New Item drops section which links to the page.
  • Corrected the Changing drop rates tip. It said that groups are evaluated in order with the money group as fallback. Actually, the chances of all groups that apply are added up and one group is selected per drop.
• common-tasks.md: Change a drop now uses the Item Drops page.

The statements about the drop logic were checked against DefaultDropGenerator and ItemBoxDroppedPlugIn. For example, a box can't be dropped at all if the character is below the required level of any of the matching groups.

Testing

• npm ci && npm run build in docs-website/ succeeds. The site config fails the build on broken links, anchors and images, so none are left.

🤖 Generated with Claude Code

https://claude.ai/code/session_01NGrcDosfNzYj4hMQNhfQYP

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