diff --git a/ARCHITECTURE.md b/ARCHITECTURE.md
index 0f29f25..0af6305 100644
--- a/ARCHITECTURE.md
+++ b/ARCHITECTURE.md
@@ -8,7 +8,7 @@ The core package is provider-neutral. A multimodal host such as Codex or Claude
## Processing model
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+
### Scan
diff --git a/README.md b/README.md
index 99132e9..4e9b092 100644
--- a/README.md
+++ b/README.md
@@ -129,7 +129,7 @@ ultrasplit evaluate output/task/manifest.json --visual-verdict pass
## Architecture
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+
Every run writes a schema-v3 manifest with exact source coordinates, route evidence, provenance, approval state, bounded repair attempts, evaluation status, and absolute delivery paths. See [ARCHITECTURE.md](ARCHITECTURE.md).
diff --git a/README.zh-CN.md b/README.zh-CN.md
index 90f4705..a6f5ea5 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -129,7 +129,7 @@ ultrasplit evaluate output/task/manifest.json --visual-verdict pass
## 架构
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每次运行都会写入 schema v3 的 `manifest.json`,记录准确的源图坐标、路由依据、来源追踪、批准状态、有界修复次数、评估结果和绝对访问路径。完整设计见 [ARCHITECTURE.md](ARCHITECTURE.md)。
diff --git a/docs/assets/architecture.svg b/docs/assets/architecture.svg
index 365541d..3286657 100644
--- a/docs/assets/architecture.svg
+++ b/docs/assets/architecture.svg
@@ -1,4 +1,4 @@
-