feat(tools): 翻译清单改为 v3 紧凑格式并增量校验

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

fix(history): 王朝名直写中文并补齐王朝翻译工具链

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

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

chore(tooling): tighten docs and prune tests

feat(integration): add merged EU4 content and localization