feat(tools): 翻译清单改为 v3 紧凑格式并增量校验

update .gitignore and remove art tools

refactor: rewrite AGENTS.md, delete archive/design/DESIGN.md, rename ATTRIBUTION

fix: merge _new province_names files, consolidate override events, remove one-time scripts

feat: merge all validation tools into unified tools/validate.mjs

chore: 移除误提交的运行时产物与临时文档

feat: 重建加载屏为 DXT1 并清理冗余事件与国家历史

feat(gfx): 新增加载屏油画、主界面音乐与配套工具

fix(history): 王朝名直写中文并补齐王朝翻译工具链

feat(localisation): 加载提示替换为 67 条考据后的历史名言

refactor(province-names): drop entries shadowed by _new culture files

perf(gfx): unify event picture DDS to DXT5 + 10mip chain

fix(localisation): translate all remaining ship names to Chinese

fix(validation): restore Naga adjective and filter sea zones

chore(tooling): tighten docs and prune tests

fix(localisation): translate remaining culture names

fix(localisation): use English-only vanilla sources

feat(integration): add merged EU4 content and localization

perf(localisation): add incremental parallel build

feat: establish Ab Integro 0.1.0 baseline