wip: desktop work

packages/desktop/src/components/message-progress.tsx

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+import { For, Match, Switch, createEffect, createMemo, createSignal, onCleanup } from "solid-js"
+import { Part } from "@opencode-ai/ui"
+import { useSync } from "@/context/sync"
+import type { AssistantMessage as AssistantMessageType } from "@opencode-ai/sdk"
+
+export function MessageProgress(props: { assistantMessages: () => AssistantMessageType[] }) {
+  const sync = useSync()
+  const items = createMemo(() => props.assistantMessages().flatMap((m) => sync.data.part[m.id]))
+
+  const finishedItems = createMemo(() => [
+    "",
+    "",
+    "Loading...",
+    ...items().filter(
+      (p) =>
+        p?.type === "text" ||
+        (p?.type === "reasoning" && p.time?.end) ||
+        (p?.type === "tool" && p.state.status === "completed"),
+    ),
+    "",
+  ])
+
+  const MINIMUM_DELAY = 400
+  const [visibleCount, setVisibleCount] = createSignal(1)
+
+  createEffect(() => {
+    const total = finishedItems().length
+    if (total > visibleCount()) {
+      const timer = setTimeout(() => {
+        setVisibleCount((prev) => prev + 1)
+      }, MINIMUM_DELAY)
+      onCleanup(() => clearTimeout(timer))
+    } else if (total < visibleCount()) {
+      setVisibleCount(total)
+    }
+  })
+
+  const translateY = createMemo(() => {
+    const total = visibleCount()
+    if (total < 2) return "0px"
+    return `-${(total - 2) * 40 - 8}px`
+  })
+
+  return (
+    <div
+      class="h-30 overflow-hidden pointer-events-none 
+             mask-alpha mask-t-from-33% mask-t-from-background-base mask-t-to-transparent
+             mask-b-from-90% mask-b-from-background-base mask-b-to-transparent"
+    >
+      <div
+        class="w-full flex flex-col items-start self-stretch gap-2 py-8
+               transform transition-transform duration-500 ease-[cubic-bezier(0.22,1,0.36,1)]"
+        style={{ transform: `translateY(${translateY()})` }}
+      >
+        <For each={finishedItems()}>
+          {(part) => {
+            if (typeof part === "string") return <div class="h-8 flex items-center w-full">{part}</div>
+            const message = createMemo(() => sync.data.message[part.sessionID].find((m) => m.id === part.messageID))
+            return (
+              <div class="h-8 flex items-center w-full">
+                <Switch>
+                  <Match when={part.type === "text" && part}>
+                    {(p) => (
+                      <div
+                        textContent={p().text}
+                        class="text-12-regular text-text-base whitespace-nowrap truncate w-full"
+                      />
+                    )}
+                  </Match>
+                  <Match when={part.type === "reasoning" && part}>
+                    {(p) => <Part message={message()!} part={p()} />}
+                  </Match>
+                  <Match when={part.type === "tool" && part}>{(p) => <Part message={message()!} part={p()} />}</Match>
+                </Switch>
+              </div>
+            )
+          }}
+        </For>
+      </div>
+    </div>
+  )
+}

packages/desktop/src/components/spinner.tsx

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+import { ComponentProps, For } from "solid-js"
+
+export function Spinner(props: { class?: string; classList?: ComponentProps<"div">["classList"] }) {
+  const squares = Array.from({ length: 16 }, (_, i) => ({
+    id: i,
+    x: (i % 4) * 4,
+    y: Math.floor(i / 4) * 4,
+    delay: Math.random() * 3,
+    duration: 2 + Math.random() * 2,
+  }))
+
+  return (
+    <svg
+      viewBox="0 0 15 15"
+      classList={{
+        "size-4": true,
+        ...(props.classList ?? {}),
+        [props.class ?? ""]: !!props.class,
+      }}
+      fill="currentColor"
+    >
+      <For each={squares}>
+        {(square) => (
+          <rect
+            x={square.x}
+            y={square.y}
+            width="3"
+            height="3"
+            rx="1"
+            style={{
+              animation: `pulse-opacity ${square.duration}s ease-in-out infinite`,
+              "animation-delay": `${square.delay}s`,
+            }}
+          />
+        )}
+      </For>
+    </svg>
+  )
+}