refactor(workspace-context): fold context into the entering pre-step batch

docs/architecture.i18n.yaml

@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write docs/architecture.md
-architecture.md: e852506d94fa67da92819879dba4dc546fce540b
-architecture.zh.md: b4b34b29c75996dc79188943dc1999db71e1710c
+architecture.md: bbf13606861ad6995fd5a8b2c64e323eabc869c6
+architecture.zh.md: bea98a9d5936af9e11be6dffcb4d911e07665419

docs/architecture.md

@@ -158,7 +158,7 @@ A swappable capability usually has **interface / implementation / consumer** lay
 
 Exceptions combine LLM interface/consumer, filesystem policy, web registries, and named skill/subagent providers. Subagents spawn fresh, fork a completed-turn prefix, or use ACP children ([subagent.md](core-data-structures/subagent.md)).
 
-`dsh-workspace-context` prepends its baseline to the next-step inbox on first `agent/pre-step`, replacing a pending predecessor, and adds `ctx.fs` changes after tools. Because claim precedes pre-step, the baseline may miss the current request ([decision](../.agents/notes/implemented/feature/2026-06-24-workspace-context.md)). `dsh-paths` owns shared paths.
+`dsh-workspace-context` composes its baseline on the first `agent/pre-step` and folds it into the final entering batch right after the claimed prompt, so it reaches the first request with the direct prompt; rejection keeps it in the next-step inbox. Filesystem changes projected after tools are likewise folded into the next entering pre-step instead of creating a later context-only step ([decision](../.agents/notes/implemented/feature/2026-06-24-workspace-context.md)). `dsh-paths` owns shared paths.
 
 ### Bundles And Apps
 

docs/architecture.zh.md

@@ -158,7 +158,7 @@ idle inject:
 
 例外情况包括 LLM（大语言模型）合并接口和消费方、文件系统整合策略、web 使用注册表、skill 和 subagent 使用具名提供方。subagent 可以通过 spawn 创建全新实例、fork 一个已完成轮次的前缀，或使用 ACP（Agent Client Protocol）子 agent（[subagent.md](core-data-structures/subagent.md)）。
 
-`dsh-workspace-context` 在第一次 `agent/pre-step` 将基线 prepend 到 next-step inbox，替换仍在等待的前序消息，并在工具执行后添加 `ctx.fs` 变更。由于领取发生在 pre-step 之前，该基线可能赶不上当前请求（[决策](../.agents/notes/implemented/feature/2026-06-24-workspace-context.md)）。`dsh-paths` 负责共享路径。
+`dsh-workspace-context` 在第一次 `agent/pre-step` 组合基线并将它折入最终进入的批次、紧随已领取的直接提示词之后，使其与直接提示词一同抵达第一次请求；reject 则将它留在 next-step inbox。工具执行后投影的文件系统变更也会折入下一次进入步骤的 pre-step，而不会另外创建稍后的纯上下文步骤（[决策](../.agents/notes/implemented/feature/2026-06-24-workspace-context.md)）。`dsh-paths` 负责共享路径。
 
 ### 组合包与应用