instructions: chains of packages - stack-dev writes ## Kette, stack-close names the next link (#205)

Files changed:
- CHANGES.md
- VERSION
- instructions/dev/issue-tracking.md
- instructions/dev/stack-close/SKILL.md
- instructions/dev/stack-dev/SKILL.md
- instructions/dev/stack-mode.md

Co-Authored-By: Claude Code <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SnAJ7Z3CpVD3PRbN73QtU2

instructions/dev/stack-mode.md

@@ -33,9 +33,9 @@ so every handover works either in the same session or after a `/clear`.
 
 | Phase | Skill | Invoked by | Ends with (the handover) | What catches a mistake |
 |---|---|---|---|---|
-| 1 Design/triage | `stack-dev` | the harness on a matching task, or `/stack-dev` | the issue body is **ready** ([issue-tracking.md](issue-tracking.md) § Ready to build) | nothing mechanical |
+| 1 Design/triage | `stack-dev` | the harness on a matching task, or `/stack-dev` | the issue body is **ready** ([issue-tracking.md](issue-tracking.md) § Ready to build); writes `## Kette` where an order exists ([§ Chains](issue-tracking.md#chains)) | nothing mechanical |
 | 2 Build | `stack-build` | **only** the operator: `/stack-build #N` | a **green CI run** on the published commit, body current | `pytest`, `docs verify`, `instructions verify`, CI |
-| 3 Closing | `stack-close` | **only** the operator: `/stack-close` | body in its final state, issue closed | nothing mechanical |
+| 3 Closing | `stack-close` | **only** the operator: `/stack-close` | body in its final state, issue closed; names the next link of a chain | nothing mechanical |
 
 `stack-build` and `stack-close` carry `disable-model-invocation: true` in their frontmatter, so in
 Claude Code only the operator can start them. That is the point of the split: each phase change is