[autodev] handoff snapshot after batch 16 push

Co-authored-by: Cursor <cursoragent@cursor.com>

_docs/_autodev_state.md

@@ -4,11 +4,11 @@
 flow: greenfield
 step: 7
 name: Implement
-status: in_progress
+status: between-batches
 sub_step:
-  phase: 11
-  name: commit
-  detail: "batch 16 committed; awaiting push approval"
+  phase: 0
+  name: batch-17-select
+  detail: ""
 retry_count: 0
 cycle: 1
 tracker: jira
@@ -18,7 +18,7 @@ batch: 16
 commit: 251ebed
 ticket: AZ-658
 jira_status: In Testing (confirmed via read-back)
-pushed_to: pending
+pushed_to: origin/dev
 report: _docs/03_implementation/batch_16_cycle1_report.md
 cumulative_review: _docs/03_implementation/cumulative_review_batches_13-15_cycle1_report.md