docs(agent-notes): record the web plugin configuration decision

Also folds the duplication the three controls had grown: the draft-and-commit
input both editable fields render is now one component, and the two sibling
executors' identical import surface is marked as the deliberate mirror their
READMEs already describe.

docs/config-catalog.md

@@ -1235,7 +1235,7 @@ export interface Config {
 }
 ```
 
-Source: [`packages/bash/pwsh-local/src/index.ts:55`](../packages/bash/pwsh-local/src/index.ts)
+Source: [`packages/bash/pwsh-local/src/index.ts:58`](../packages/bash/pwsh-local/src/index.ts)
 
 ## `@deepseek-ai/dsh-pwsh-sandbox`