diff --git a/BUILD.md b/BUILD.md
index 1c1c2fda..ee28b812 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -480,7 +480,8 @@ the dep-set audit completes.
 
 The audio stack is the main architectural payoff of the bundle move and
 Firefox browser swap, separate from the size win. Confirmed by direct
-package-dep inspection:
+package-dep inspection. The `qt6-*`/`kf6-*` entries below are transitive package
+dependencies from desktop applications, not an installer direction:
 
 | Package                | Pulls in (audio-relevant)                                                          |
 | ---------------------- | ---------------------------------------------------------------------------------- |
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 344a2df4..d733f858 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -60,4 +60,3 @@ All notable changes to Clawdie-ISO are documented here.
 | clawdie-iso | Active | v0.9.0 + Phase 0 |
 | clawdie-shell | **Archived** | — |
 | pi | Independent | v0.56.3 |
-
diff --git a/PLAN-OPERATOR-USB-NEXT.md b/PLAN-OPERATOR-USB-NEXT.md
index c5c0c08f..7e528fac 100644
--- a/PLAN-OPERATOR-USB-NEXT.md
+++ b/PLAN-OPERATOR-USB-NEXT.md
@@ -15,9 +15,9 @@ Live boot has cleared the "does it come up at all on real hardware" gate.
 | AMD GPU    | Working out of the box | Renoir / green-sardine firmware on live image; AMD GPU selection fix in `6485813` |
 | NVIDIA     | Pending                | Laptop candidate arriving; not validated yet                                      |
 
-**Load-bearing decision: SDDM over LightDM.**
-LightDM was the silent blocker. The SDDM switch unblocked both Intel and AMD
-live GUI boot. Do not propose reverting to LightDM. SDDM is now part of the
+**Load-bearing decision: keep SDDM as the live display manager.**
+SDDM is the validated live display-manager path for Intel and AMD GUI boot. Do
+not replace it without equivalent real-hardware proof. SDDM is now part of the
 operator-USB contract.
 
 Other now-stable pieces from recent commits worth not regressing:
diff --git a/skills/iso-build/SKILL.md b/skills/iso-build/SKILL.md
index 19a9f031..7f452bf2 100644
--- a/skills/iso-build/SKILL.md
+++ b/skills/iso-build/SKILL.md
@@ -222,8 +222,8 @@ See `/home/clawdie/ai/colibri/docs/CLAWDIE-BUILD.md` and `/home/clawdie/ai/colib
 The next operator-USB image must retain the proven XFCE/live-GUI fixes
 (`PLAN-OPERATOR-USB-NEXT.md`, `doc/AMD-ASUS-XFCE-LIVE-USB-FINDINGS.md`):
 
-- **SDDM over LightDM** — load-bearing; do not revert (LightDM was the silent
-  live-GUI blocker on Intel + AMD).
+- **SDDM remains the supported live display manager** — load-bearing; do not
+  replace without equivalent real-hardware proof for Intel + AMD live GUI boot.
 - **`clawdie-live-gpu`** pre-SDDM rc.d KMS pick (conservative; NVIDIA/AMD safe).
 - **Hardened USB-root power policy** (`b9290ab`): `powerdxx`, C3 C-state default,
   `hw.usb.no_suspend=1`, boot-time `power_profile`.