Add iteration issue template

.github/ISSUE_TEMPLATE/Iteration_issue.md

@@ -0,0 +1,54 @@
+---
+name: Iteration issue
+about: Track the scope and tasks for a feature or focus area during a release cycle
+labels: "[Type] Iteration"
+
+---
+
+## Overall Goal
+<!--
+Provide a high-level description of what will be worked on during this release cycle.
+Link to any previous iteration issues or overarching tracking issues for context.
+-->
+
+## Scope for This Release
+<!--
+Describe the planned scope for this release. What are the expected outcomes?
+If this carries over work from a previous release, note what shipped previously
+and what remains.
+-->
+
+## Tasks
+<!--
+List the specific issues and PRs to be completed during this release.
+Use task lists so progress is trackable.
+-->
+
+- [ ] #
+- [ ] #
+- [ ] #
+
+## Nice to Have
+<!--
+List stretch goals or tasks that would be good to land in this release but
+are not essential. These may slip to a future iteration.
+-->
+
+- [ ] #
+- [ ] #
+
+## Open Questions & Decisions required
+<!--
+List any unresolved questions or pending decisions related to this iteration.
+Link to individual issues where deeper discussions are happening.
+-->
+
+- [ ] ?
+
+## Contributors
+<!--
+List the people working on this iteration so it's clear who to coordinate with.
+Use GitHub @mentions.
+-->
+
+- @