feat: prepare ARR for controlled public deployment

.project-docs/05-agent-entry/context-checklist.md

@@ -0,0 +1,12 @@
+# Context Checklist
+
+Before planning, confirm:
+
+- I know what this project is and what it is not.
+- I know the current focus and recently completed work.
+- I checked active decisions that constrain this task.
+- I checked the current architecture overview.
+- I identified task-specific docs that need deeper reading.
+- I checked evidence, reflection, or commitment indexes when the task touches investigations, repeated workflow lessons, or follow-ups.
+- I can name unknown, stale, or conflicting information.
+- I know whether the task requires human confirmation before changing durable docs.