Keep the personal half of the desktop in one place, and ask before installing it

Agent instructions, skills, SSH host aliases and expansion triggers are worth
having identical on every machine one person owns, and belong in none of the
shared configuration. They live in user/ now, with a manifest saying where each
piece goes and a link-user stage that puts it there.

That stage does nothing unless the machine said yes. Somebody who clones Panama
to try the desktop keeps their own ~/.claude/CLAUDE.md exactly where it was;
the question names the destinations and defaults to no. Anything displaced goes
to config/old rather than being deleted.

~/.claude/CLAUDE.md and ~/.codex/AGENTS.md were byte-identical copies of one
file, which is the drift this exists to prevent.

Also adds the vitals toggles for the battery and Claude usage readouts, which
had preferences and no way to reach them.

user/agents/skills/slidev/references/core-animations.md

@@ -0,0 +1,196 @@
+---
+name: animations
+description: Click animations, motion effects, and slide transitions
+---
+
+# Animations
+
+Click animations, motion effects, and slide transitions.
+
+## Click Animations
+
+### v-click Directive
+
+```md
+<div v-click>Appears on click</div>
+<div v-click>Appears on next click</div>
+```
+
+### v-clicks Component
+
+Animate list items:
+
+```md
+<v-clicks>
+
+- Item 1
+- Item 2
+- Item 3
+
+</v-clicks>
+```
+
+With depth for nested lists:
+
+```md
+<v-clicks depth="2">
+
+- Parent 1
+  - Child 1
+  - Child 2
+- Parent 2
+
+</v-clicks>
+```
+
+### Click Positioning
+
+Relative positioning:
+```md
+<div v-click>1st (default)</div>
+<div v-click="+1">2nd</div>
+<div v-click="-1">Same as previous</div>
+```
+
+Absolute positioning:
+```md
+<div v-click="3">Appears on click 3</div>
+<div v-click="[2,5]">Visible clicks 2-5</div>
+```
+
+### v-after
+
+Show with previous element:
+
+```md
+<div v-click>Main element</div>
+<div v-after>Appears with main element</div>
+```
+
+### v-switch
+
+Conditional rendering by click:
+
+```md
+<v-switch>
+  <template #1>First state</template>
+  <template #2>Second state</template>
+  <template #3>Third state</template>
+</v-switch>
+```
+
+## Custom Click Count
+
+```md
+---
+clicks: 10
+---
+```
+
+Or starting from specific count:
+
+```md
+---
+clicksStart: 5
+---
+```
+
+## Motion Animations
+
+Using @vueuse/motion:
+
+```md
+<div
+  v-motion
+  :initial="{ x: -100, opacity: 0 }"
+  :enter="{ x: 0, opacity: 1 }"
+>
+  Animated content
+</div>
+```
+
+Click-based motion:
+
+```md
+<div
+  v-motion
+  :initial="{ scale: 1 }"
+  :click-1="{ scale: 1.5 }"
+  :click-2="{ scale: 1 }"
+>
+  Scales on clicks
+</div>
+```
+
+## Slide Transitions
+
+In headmatter (all slides):
+
+```md
+---
+transition: slide-left
+---
+```
+
+Per-slide:
+
+```md
+---
+transition: fade
+---
+```
+
+### Built-in Transitions
+
+- `fade` / `fade-out`
+- `slide-left` / `slide-right`
+- `slide-up` / `slide-down`
+- `view-transition` (View Transitions API)
+
+### Directional Transitions
+
+Different transitions for forward/backward:
+
+```md
+---
+transition: slide-left | slide-right
+---
+```
+
+### Custom Transitions
+
+Define CSS classes:
+
+```css
+.my-transition-enter-active,
+.my-transition-leave-active {
+  transition: all 0.5s ease;
+}
+.my-transition-enter-from,
+.my-transition-leave-to {
+  opacity: 0;
+  transform: translateX(100px);
+}
+```
+
+Use: `transition: my-transition`
+
+## CSS Classes
+
+Animation targets get these classes:
+- `.slidev-vclick-target` - Animated element
+- `.slidev-vclick-hidden` - Hidden state
+- `.slidev-vclick-current` - Current click target
+- `.slidev-vclick-prior` - Previously shown
+
+## Default Animation CSS
+
+```css
+.slidev-vclick-target {
+  transition: opacity 100ms ease;
+}
+.slidev-vclick-hidden {
+  opacity: 0;
+  pointer-events: none;
+}
+```