docs: make technical prose concrete

docs/user/develop/practice/index.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/user/develop/practice/index.md
-index.md: 6ae9fd152ca2e3b82bdb1ea9b3aa3d348ebfce66
-index.zh.md: 0056a81402761310fe5f0463b83762d98ed9745f
+index.md: 1eb33e17ab6c5d0a2b37ff97d5948dfbcba497ca
+index.zh.md: 31afa80407f81f571615b5ed68a9370775f5188f

docs/user/develop/practice/index.md

@@ -12,8 +12,8 @@ When a capability is general enough to need replaceable providers, such as Bash
 
 The Bash execution capability consists of:
 
-- **Service Definition** (`dsh-bash`) — defines the Cordis service and Bash request/result vocabulary
-- **Service provider** (`dsh-bash-local`) — supplies local command execution
+- **Service Definition** (`dsh-bash`) — defines the Cordis service and Bash request and result types
+- **Service provider** (`dsh-bash-local`) — executes commands on the local machine
 - **Consumer** (`dsh-tool-bash`) — exposes the capability as a model-callable tool
 
 ```
@@ -43,7 +43,7 @@ The Service Definition and tool remain unchanged while the provider changes.
 
 ### Evolve independently
 
-- The Service Definition changes rarely after its contract stabilizes.
+- The Service Definition changes rarely after callers depend on its contract.
 - Service providers can improve performance and security independently.
 - Consumers can change how they present the capability to the model.
 

docs/user/develop/practice/index.zh.md

@@ -12,8 +12,8 @@
 
 以 Bash 执行能力为例：
 
-- **Service Definition** (`dsh-bash`)：定义 Cordis 服务以及 Bash 请求／结果词汇
-- **Service provider** (`dsh-bash-local`)：提供本地命令执行
+- **Service Definition** (`dsh-bash`)：定义 Cordis 服务以及 Bash 请求和结果类型
+- **Service provider** (`dsh-bash-local`)：在本地计算机上执行命令
 - **Consumer** (`dsh-tool-bash`)：将该能力公开为模型可调用的工具
 
 ```
@@ -43,8 +43,8 @@
 
 ### 独立演进
 
-- Service Definition 的约定稳定后很少改动
-- Service provider 可以独立优化性能和安全性
+- 调用方开始依赖 Service Definition 的约定后，Service Definition 很少改动。
+- Service provider 可以独立优化性能和安全性。
 - Consumer 可以调整能力向模型呈现的方式。
 
 ### 依赖解耦