009: Polish bacon fixes, OTA host scripts, and migration docs.

Restore disable_configstore, EuiccDisabler and thermal CDEV guards, branding
and rebuild/sync helpers; document device roles, laptop migration, and Gitea.

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

docs/007-kernelsu-runbook.md

@@ -1,3 +1,9 @@
+> **Status: parallel track (ReSukiSU / SusFS).** Magisk remains `009` ship root.
+> This path is **kept** for LAB experiments on the current ROM — see
+> [`007-parallel-on-009.md`](007-parallel-on-009.md). Sept 2026: boot PASS;
+> banks FAIL (`007-lab-results-20260916.md`). Hard-gates table below is the
+> acceptance bar for a future KSU ship, not a measured PASS.
+
 # 007 — KernelSU-Next on sunfish (LAB runbook)
 
 **LAB only**: serial `11231JEC207477` — never GOLDEN `11071JEC203839`