docs(work): close sandcastle-dispatch-v1 epic

docs/work/sandcastle-dispatch-v1/04-dispatch-cli-wiring/_story.md

@@ -3,7 +3,7 @@ id: 04-dispatch-cli-wiring
 epic: sandcastle-dispatch-v1
 title: pnpm work dispatch CLI wiring + smoke tests
 type: technical-story
-status: todo
+status: done
 feature: scripts
 depends-on: [02-dispatch-planner, 03-dispatch-execute]
 blocks: []
@@ -11,7 +11,7 @@ blocks: []
 
 ## Tasks
 
-- [ ] cli.mjs: add `dispatch` subcommand with `--execute` flag
-- [ ] CLI smoke tests
-- [ ] README / docs update
-- [ ] Final verification + closeout
+- [x] cli.mjs: add `dispatch` subcommand with `--execute` flag
+- [x] CLI smoke tests
+- [x] README / docs update
+- [x] Final verification + closeout