agent: repoint roles to frank-medium/dankclaw-3090; sync niri tweaks, memories, managed skills

- config.yml: default/commit -> frank-medium (dankserver); task/tiny/smol/vision -> frank-small (dankclaw-3090); vision xhigh
- models.yml: add llamacpp (dankclaw-3090) provider; frank-large preserve_thinking + context notes
- niri: focus-ring/border/shadow layout, hot-corners off, re-add noctalia.kdl include; blankpad eDP-1 scale 1.0
- memories: flush rollouts; retire frank_large + marreta_authentik skills; add auth-chain/kv-pool/quadlet-log skills
- managed-skills: 40+ new fleet runbook skills
- agent/skills: import built-in skill set

agent/config.yml

@@ -24,16 +24,16 @@ providers:
     - mojeek
     - public
 modelRoles:
-  smol: llamacpp (dankserver)/frank-small:off
   slow: llamacpp (dankclaw)/frank-large:medium
-  vision: llamacpp (dankclaw)/frank-large:auto
+  vision: llamacpp (dankclaw-3090)/frank-small:xhigh
   plan: llamacpp (dankclaw)/frank-large:medium
   designer: llamacpp (dankclaw)/frank-large:medium
-  commit: llamacpp (dankserver)/frank-small:medium
-  tiny: llamacpp (dankserver)/frank-small:off
-  task: llamacpp (dankclaw)/frank-large:medium
+  commit: llamacpp (dankserver)/frank-medium:medium
+  tiny: llamacpp (dankclaw-3090)/frank-small:off
+  task: llamacpp (dankclaw-3090)/frank-small:off
   advisor: llamacpp (dankclaw)/frank-large:medium
-  default: llamacpp (dankserver)/frank-small:medium
+  default: llamacpp (dankserver)/frank-medium:medium
+  smol: llamacpp (dankclaw-3090)/frank-small:xhigh
 symbolPreset: nerd
 composer:
   shape: claude