docs: add native English support callout to both READMEs (concise)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

README.en.md

@@ -20,7 +20,7 @@
 
 Open-source CLI agent that autonomously writes, audits, and revises novels — with human review gates that keep you in control.
 
-**Native English support！！！** — InkOS writes English fiction out of the box with 10 built-in genre profiles: LitRPG, Progression Fantasy, Isekai, Cultivation, System Apocalypse, Dungeon Core, Romantasy, Sci-Fi, Tower Climber, and Cozy Fantasy. Each genre includes dedicated pacing rules, fatigue word lists, audit dimensions, and prohibition sets tuned for English-language web fiction.
+**Native English support** — 10 built-in English genre profiles (LitRPG, Progression Fantasy, Isekai, Cultivation, and more) with dedicated pacing rules, fatigue word lists, and audit dimensions. Set `--lang en` and go.
 
 ## Quick Start
 

README.md

@@ -20,6 +20,8 @@
 
 Agent 写小说。写、审、改，全程接管。
 
+**现已支持原生英文创作** — 内置 10 个英文题材（LitRPG、Progression Fantasy、Isekai 等），含专属节奏规则、疲劳词表和审计维度。`--lang en` 即可切换。
+
 ## 快速开始
 
 ### 安装