Fvtt Dev

This skill should be used when working with the Foundry canvas, PIXI.js rendering, canvas layers, placeable objects (tokens, tiles, drawings), render flags for performance, or canvas lifecycle hooks like canvasReady.

This skill should be used when working with the Combat tracker, Combatant documents, initiative rolling and sorting, turn/round management, or implementing combat hooks like combatStart, combatTurn, and combatRound.

This skill should be used when creating compendium packs, registering packs in manifests, importing/exporting documents, querying pack contents, or using the CLI for pack management and version control workflows.

This skill should be used when creating custom windows with ApplicationV2, building forms with FormApplication, using Dialog for prompts, understanding the render lifecycle, or migrating from Application v1 to ApplicationV2.

This skill should be used when implementing internationalization (i18n), creating language files, using game.i18n.localize/format, adding template localization helpers, or following best practices for translatable strings.

This skill should be used when creating chat messages, sending roll results to chat, configuring speakers, implementing whispers and roll modes, or hooking into chat message rendering.

This skill should be used when creating or applying Active Effects, working with effect changes and modes (ADD, MULTIPLY, OVERRIDE, CUSTOM), implementing duration tracking for combat, or handling effect transfer from items to actors.