merge(milestone): v1.29 Reposplit + Identity Layer Bring-Live to main (release v1.28.6)

---ci---
project: acdl
phase: 6
milestone: v1.29
status: complete
---/ci---

scripts/sync_to_nova.sh

@@ -102,7 +102,6 @@ DOMAINS=(
 EXCLUDE_SCRIPTS=(
   sync_to_gl.sh
   sync_to_nova.sh
-  ship_phase.sh
   update_atelier_vendor.sh
   post_stage_comment.sh
   rotate_spike_key.sh
@@ -114,8 +113,6 @@ EXCLUDE_SCRIPTS=(
   untag_acdl_keys.py
   seed_uptime_monitors.py
   push_consumer_image.py
-  sync_workflows.py
-  attach_release_asset.py
   check_north_star_diff.sh
   render_slides.sh
 )
@@ -198,7 +195,6 @@ echo ""
 # Hidden dirs/files in SRC that are NOT consumer-facing. .github is kept.
 EXCLUDES=(
   --exclude=/.ciagent
-  --exclude=/.gitea
   --exclude=/.env
   --exclude=/.env.secrets
   --exclude=/.coverage