more concepts

Let the desktop app preview and tune alternate loading treatments for session titles so spinner ideas can be explored in context before replacing the default UI.

packages/app/src/components/pendulum.tsx

@@ -0,0 +1,199 @@
+import type { ComponentProps } from "solid-js"
+import { createEffect, createSignal, onCleanup } from "solid-js"
+
+type Kind = "pendulum" | "compress" | "sort"
+
+export type BrailleKind = Kind
+
+const bits = [
+  [0x01, 0x08],
+  [0x02, 0x10],
+  [0x04, 0x20],
+  [0x40, 0x80],
+]
+
+const seeded = (seed: number) => {
+  let s = seed
+  return () => {
+    s = (s * 1664525 + 1013904223) & 0xffffffff
+    return (s >>> 0) / 0xffffffff
+  }
+}
+
+const pendulum = (cols: number, max = 1) => {
+  const total = 120
+  const span = cols * 2
+  const frames = [] as string[]
+
+  for (let t = 0; t < total; t++) {
+    const codes = Array.from({ length: cols }, () => 0x2800)
+    const p = t / total
+    const spread = Math.sin(Math.PI * p) * max
+    const phase = p * Math.PI * 8
+
+    for (let pc = 0; pc < span; pc++) {
+      const swing = Math.sin(phase + pc * spread)
+      const center = (1 - swing) * 1.5
+
+      for (let row = 0; row < 4; row++) {
+        if (Math.abs(row - center) >= 0.7) continue
+        codes[Math.floor(pc / 2)] |= bits[row][pc % 2]
+      }
+    }
+
+    frames.push(codes.map((code) => String.fromCharCode(code)).join(""))
+  }
+
+  return frames
+}
+
+const compress = (cols: number) => {
+  const total = 100
+  const span = cols * 2
+  const dots = span * 4
+  const frames = [] as string[]
+  const rand = seeded(42)
+  const weight = Array.from({ length: dots }, () => rand())
+
+  for (let t = 0; t < total; t++) {
+    const codes = Array.from({ length: cols }, () => 0x2800)
+    const p = t / total
+    const sieve = Math.max(0.1, 1 - p * 1.2)
+    const squeeze = Math.min(1, p / 0.85)
+    const active = Math.max(1, span * (1 - squeeze * 0.95))
+
+    for (let pc = 0; pc < span; pc++) {
+      const map = (pc / span) * active
+      if (map >= active) continue
+
+      const next = Math.round(map)
+      if (next >= span) continue
+
+      const char = Math.floor(next / 2)
+      const dot = next % 2
+
+      for (let row = 0; row < 4; row++) {
+        if (weight[pc * 4 + row] >= sieve) continue
+        codes[char] |= bits[row][dot]
+      }
+    }
+
+    frames.push(codes.map((code) => String.fromCharCode(code)).join(""))
+  }
+
+  return frames
+}
+
+const sort = (cols: number) => {
+  const span = cols * 2
+  const total = 100
+  const frames = [] as string[]
+  const rand = seeded(19)
+  const start = Array.from({ length: span }, () => rand() * 3)
+  const end = Array.from({ length: span }, (_, i) => (i / Math.max(1, span - 1)) * 3)
+
+  for (let t = 0; t < total; t++) {
+    const codes = Array.from({ length: cols }, () => 0x2800)
+    const p = t / total
+    const cursor = p * span * 1.2
+
+    for (let pc = 0; pc < span; pc++) {
+      const char = Math.floor(pc / 2)
+      const dot = pc % 2
+      const delta = pc - cursor
+      let center
+
+      if (delta < -3) {
+        center = end[pc]
+      } else if (delta < 2) {
+        const blend = 1 - (delta + 3) / 5
+        const ease = blend * blend * (3 - 2 * blend)
+        center = start[pc] + (end[pc] - start[pc]) * ease
+        if (Math.abs(delta) < 0.8) {
+          for (let row = 0; row < 4; row++) codes[char] |= bits[row][dot]
+          continue
+        }
+      } else {
+        center = start[pc] + Math.sin(p * Math.PI * 16 + pc * 2.7) * 0.6 + Math.sin(p * Math.PI * 9 + pc * 1.3) * 0.4
+      }
+
+      center = Math.max(0, Math.min(3, center))
+      for (let row = 0; row < 4; row++) {
+        if (Math.abs(row - center) >= 0.7) continue
+        codes[char] |= bits[row][dot]
+      }
+    }
+
+    frames.push(codes.map((code) => String.fromCharCode(code)).join(""))
+  }
+
+  return frames
+}
+
+const build = (kind: Kind, cols: number) => {
+  if (kind === "compress") return compress(cols)
+  if (kind === "sort") return sort(cols)
+  return pendulum(cols)
+}
+
+const pace = (kind: Kind) => {
+  if (kind === "pendulum") return 16
+  return 40
+}
+
+const cache = new Map<string, string[]>()
+
+const get = (kind: Kind, cols: number) => {
+  const key = `${kind}:${cols}`
+  const saved = cache.get(key)
+  if (saved) return saved
+  const made = build(kind, cols)
+  cache.set(key, made)
+  return made
+}
+
+export const getBrailleFrames = (kind: Kind, cols: number) => get(kind, cols)
+
+export function Braille(props: {
+  kind?: Kind
+  cols?: number
+  rate?: number
+  class?: string
+  classList?: ComponentProps<"span">["classList"]
+  style?: ComponentProps<"span">["style"]
+  label?: string
+}) {
+  const kind = () => props.kind ?? "pendulum"
+  const cols = () => props.cols ?? 2
+  const rate = () => props.rate ?? 1
+  const [idx, setIdx] = createSignal(0)
+
+  createEffect(() => {
+    if (typeof window === "undefined") return
+    const frames = get(kind(), cols())
+    setIdx(0)
+    const id = window.setInterval(
+      () => {
+        setIdx((idx) => (idx + 1) % frames.length)
+      },
+      Math.max(10, Math.round(pace(kind()) / rate())),
+    )
+    onCleanup(() => window.clearInterval(id))
+  })
+
+  return (
+    <span
+      role="status"
+      aria-label={props.label ?? "Loading"}
+      class={props.class}
+      classList={props.classList}
+      style={props.style}
+    >
+      <span aria-hidden="true">{get(kind(), cols())[idx()]}</span>
+    </span>
+  )
+}
+
+export function Pendulum(props: Omit<Parameters<typeof Braille>[0], "kind">) {
+  return <Braille {...props} kind="pendulum" />
+}

packages/app/src/pages/layout/sidebar-items.tsx

@@ -4,7 +4,6 @@ import { HoverCard } from "@opencode-ai/ui/hover-card"
 import { Icon } from "@opencode-ai/ui/icon"
 import { IconButton } from "@opencode-ai/ui/icon-button"
 import { MessageNav } from "@opencode-ai/ui/message-nav"
-import { Spinner } from "@opencode-ai/ui/spinner"
 import { Tooltip } from "@opencode-ai/ui/tooltip"
 import { base64Encode } from "@opencode-ai/util/encode"
 import { getFilename } from "@opencode-ai/util/path"
@@ -15,6 +14,7 @@ import { useLanguage } from "@/context/language"
 import { getAvatarColors, type LocalProject, useLayout } from "@/context/layout"
 import { useNotification } from "@/context/notification"
 import { usePermission } from "@/context/permission"
+import { SpinnerLabHeader } from "@/pages/session/spinner-lab"
 import { messageAgentColor } from "@/utils/agent"
 import { sessionPermissionRequest } from "../session/composer/session-request-tree"
 import { hasProjectPermissions } from "./helpers"
@@ -115,26 +115,36 @@ const SessionRow = (props: {
       props.clearHoverProjectSoon()
     }}
   >
-    <div
-      class="shrink-0 size-6 flex items-center justify-center"
-      style={{ color: props.tint() ?? "var(--icon-interactive-base)" }}
+    <Show
+      when={props.isWorking()}
+      fallback={
+        <>
+          <div
+            class="shrink-0 size-6 flex items-center justify-center"
+            style={{ color: props.tint() ?? "var(--icon-interactive-base)" }}
+          >
+            <Switch fallback={<Icon name="dash" size="small" class="text-icon-weak" />}>
+              <Match when={props.hasPermissions()}>
+                <div class="size-1.5 rounded-full bg-surface-warning-strong" />
+              </Match>
+              <Match when={props.hasError()}>
+                <div class="size-1.5 rounded-full bg-text-diff-delete-base" />
+              </Match>
+              <Match when={props.unseenCount() > 0}>
+                <div class="size-1.5 rounded-full bg-text-interactive-base" />
+              </Match>
+            </Switch>
+          </div>
+          <span class="text-14-regular text-text-strong min-w-0 flex-1 truncate">{props.session.title}</span>
+        </>
+      }
     >
-      <Switch fallback={<Icon name="dash" size="small" class="text-icon-weak" />}>
-        <Match when={props.isWorking()}>
-          <Spinner class="size-[15px]" />
-        </Match>
-        <Match when={props.hasPermissions()}>
-          <div class="size-1.5 rounded-full bg-surface-warning-strong" />
-        </Match>
-        <Match when={props.hasError()}>
-          <div class="size-1.5 rounded-full bg-text-diff-delete-base" />
-        </Match>
-        <Match when={props.unseenCount() > 0}>
-          <div class="size-1.5 rounded-full bg-text-interactive-base" />
-        </Match>
-      </Switch>
-    </div>
-    <span class="text-14-regular text-text-strong min-w-0 flex-1 truncate">{props.session.title}</span>
+      <SpinnerLabHeader
+        title={props.session.title}
+        tint={props.tint() ?? "var(--icon-interactive-base)"}
+        class="min-w-0 flex-1"
+      />
+    </Show>
   </A>
 )
 

packages/app/src/pages/session/helpers.ts

@@ -15,6 +15,7 @@ type TabsInput = {
   normalizeTab: (tab: string) => string
   review?: Accessor<boolean>
   hasReview?: Accessor<boolean>
+  fixed?: Accessor<string[]>
 }
 
 export const getSessionKey = (dir: string | undefined, id: string | undefined) => `${dir ?? ""}${id ? `/${id}` : ""}`
@@ -22,6 +23,7 @@ export const getSessionKey = (dir: string | undefined, id: string | undefined) =
 export const createSessionTabs = (input: TabsInput) => {
   const review = input.review ?? (() => false)
   const hasReview = input.hasReview ?? (() => false)
+  const fixed = input.fixed ?? (() => emptyTabs)
   const contextOpen = createMemo(() => input.tabs().active() === "context" || input.tabs().all().includes("context"))
   const openedTabs = createMemo(
     () => {
@@ -30,7 +32,7 @@ export const createSessionTabs = (input: TabsInput) => {
         .tabs()
         .all()
         .flatMap((tab) => {
-          if (tab === "context" || tab === "review") return []
+          if (tab === "context" || tab === "review" || fixed().includes(tab)) return []
           const value = input.pathFromTab(tab) ? input.normalizeTab(tab) : tab
           if (seen.has(value)) return []
           seen.add(value)
@@ -44,6 +46,7 @@ export const createSessionTabs = (input: TabsInput) => {
     const active = input.tabs().active()
     if (active === "context") return active
     if (active === "review" && review()) return active
+    if (active && fixed().includes(active)) return active
     if (active && input.pathFromTab(active)) return input.normalizeTab(active)
 
     const first = openedTabs()[0]
@@ -60,6 +63,7 @@ export const createSessionTabs = (input: TabsInput) => {
   const closableTab = createMemo(() => {
     const active = activeTab()
     if (active === "context") return active
+    if (fixed().includes(active)) return
     if (!openedTabs().includes(active)) return
     return active
   })

packages/app/src/pages/session/message-timeline.tsx

@@ -9,7 +9,6 @@ import { IconButton } from "@opencode-ai/ui/icon-button"
 import { DropdownMenu } from "@opencode-ai/ui/dropdown-menu"
 import { Dialog } from "@opencode-ai/ui/dialog"
 import { InlineInput } from "@opencode-ai/ui/inline-input"
-import { Spinner } from "@opencode-ai/ui/spinner"
 import { SessionTurn } from "@opencode-ai/ui/session-turn"
 import { ScrollView } from "@opencode-ai/ui/scroll-view"
 import { TextField } from "@opencode-ai/ui/text-field"
@@ -19,6 +18,7 @@ import { Binary } from "@opencode-ai/util/binary"
 import { getFilename } from "@opencode-ai/util/path"
 import { Popover as KobaltePopover } from "@kobalte/core/popover"
 import { shouldMarkBoundaryGesture, normalizeWheelDelta } from "@/pages/session/message-gesture"
+import { SpinnerLabHeader } from "@/pages/session/spinner-lab"
 import { SessionContextUsage } from "@/components/session-context-usage"
 import { useDialog } from "@opencode-ai/ui/context/dialog"
 import { useLanguage } from "@/context/language"
@@ -657,33 +657,31 @@ export function MessageTimeline(props: {
                       />
                     </Show>
                     <div class="flex items-center min-w-0 grow-1">
-                      <div
-                        class="shrink-0 flex items-center justify-center overflow-hidden transition-[width,margin] duration-300 ease-[cubic-bezier(0.22,1,0.36,1)]"
-                        style={{
-                          width: working() ? "16px" : "0px",
-                          "margin-right": working() ? "8px" : "0px",
-                        }}
-                        aria-hidden="true"
-                      >
-                        <Show when={workingStatus() !== "hidden"}>
-                          <div
-                            class="transition-opacity duration-200 ease-out"
-                            classList={{ "opacity-0": workingStatus() === "hiding" }}
-                          >
-                            <Spinner class="size-4" style={{ color: tint() ?? "var(--icon-interactive-base)" }} />
-                          </div>
-                        </Show>
-                      </div>
                       <Show when={titleValue() || title.editing}>
                         <Show
                           when={title.editing}
                           fallback={
-                            <h1
-                              class="text-14-medium text-text-strong truncate grow-1 min-w-0"
-                              onDblClick={openTitleEditor}
+                            <Show
+                              when={workingStatus() !== "hidden"}
+                              fallback={
+                                <h1
+                                  class="text-14-medium text-text-strong truncate grow-1 min-w-0"
+                                  onDblClick={openTitleEditor}
+                                >
+                                  {titleValue()}
+                                </h1>
+                              }
                             >
-                              {titleValue()}
-                            </h1>
+                              <div
+                                class="min-w-0 grow-1 transition-opacity duration-200 ease-out"
+                                classList={{ "opacity-0": workingStatus() === "hiding" }}
+                              >
+                                <SpinnerLabHeader
+                                  title={titleValue() ?? ""}
+                                  tint={tint() ?? "var(--icon-interactive-base)"}
+                                />
+                              </div>
+                            </Show>
                           }
                         >
                           <InlineInput

packages/app/src/pages/session/spinner-lab.tsx

@@ -0,0 +1,484 @@
+import { For, Show, createEffect, createMemo, createSignal, onCleanup, type JSX } from "solid-js"
+import { createStore } from "solid-js/store"
+import { Spinner } from "@opencode-ai/ui/spinner"
+import { Braille, getBrailleFrames, type BrailleKind } from "@/components/pendulum"
+
+export const spinnerLabIds = [
+  "current",
+  "pendulum-sweep",
+  "pendulum",
+  "pendulum-glow",
+  "compress-sweep",
+  "compress",
+  "compress-flash",
+  "sort-sweep",
+  "sort",
+  "sort-spark",
+  "pendulum-replace",
+  "compress-replace",
+  "sort-replace",
+  "pendulum-sweep-replace",
+  "compress-flash-replace",
+  "sort-spark-replace",
+  "pendulum-glow-replace",
+  "compress-sweep-replace",
+  "sort-sweep-replace",
+  "pendulum-overlay",
+  "compress-overlay",
+  "sort-overlay",
+  "pendulum-glow-overlay",
+  "sort-spark-overlay",
+  "pendulum-frame",
+  "compress-frame",
+  "compress-tail",
+  "sort-frame",
+  "square-wave",
+] as const
+
+export type SpinnerLabId = (typeof spinnerLabIds)[number]
+
+const ids = new Set<string>(spinnerLabIds)
+const trailFrames = (cols: number) => {
+  let s = 17
+  const rnd = () => {
+    s = (s * 1664525 + 1013904223) & 0xffffffff
+    return (s >>> 0) / 0xffffffff
+  }
+  return Array.from({ length: 120 }, () =>
+    Array.from({ length: cols }, () => {
+      let mask = 0
+      for (let bit = 0; bit < 8; bit++) {
+        if (rnd() > 0.45) mask |= 1 << bit
+      }
+      if (!mask) mask = 1 << Math.floor(rnd() * 8)
+      return String.fromCharCode(0x2800 + mask)
+    }).join(""),
+  )
+}
+
+const parse = (id: SpinnerLabId) => {
+  const kind: BrailleKind | undefined = id.startsWith("pendulum")
+    ? "pendulum"
+    : id.startsWith("compress")
+      ? "compress"
+      : id.startsWith("sort")
+        ? "sort"
+        : undefined
+  const mode =
+    id === "current"
+      ? "current"
+      : id === "square-wave"
+        ? "square"
+        : id.endsWith("-tail")
+          ? "trail"
+          : id.endsWith("-replace")
+            ? "replace"
+            : id.endsWith("-overlay")
+              ? "overlay"
+              : id.endsWith("-frame")
+                ? "frame"
+                : id === "pendulum" || id === "compress" || id === "sort"
+                  ? "spin"
+                  : "shimmer"
+  const anim = id.includes("glow")
+    ? 1.4
+    : id.includes("flash") || id.includes("spark")
+      ? 2.4
+      : id.includes("sweep")
+        ? 1.9
+        : 1.8
+  const move = mode === "spin" || mode === "current" ? 1 : anim
+  return {
+    id,
+    mode,
+    kind,
+    cols: mode === "spin" ? 3 : 6,
+    anim,
+    move,
+    color: "#FFE865",
+    size: 2,
+    gap: 1,
+    low: 0.08,
+    high: 0.72,
+  }
+}
+
+type SpinnerLabTune = ReturnType<typeof parse>
+
+const defaults = Object.fromEntries(spinnerLabIds.map((id) => [id, parse(id)])) as Record<SpinnerLabId, SpinnerLabTune>
+const [lab, setLab] = createStore({ active: "pendulum" as SpinnerLabId, tune: defaults })
+
+const mask = (title: string, fill: string, pos: number) =>
+  Array.from(title)
+    .map((char, idx) => {
+      const off = idx - pos
+      if (off < 0 || off >= fill.length) return char
+      return fill[off] ?? char
+    })
+    .join("")
+
+const Shimmer = (props: {
+  title: string
+  kind: BrailleKind
+  cols: number
+  anim: number
+  move: number
+  color: string
+}) => {
+  const [x, setX] = createSignal(-18)
+  createEffect(() => {
+    if (typeof window === "undefined") return
+    setX(-18)
+    const id = window.setInterval(() => setX((x) => (x > 112 ? -18 : x + Math.max(0.5, props.move))), 32)
+    onCleanup(() => window.clearInterval(id))
+  })
+
+  return (
+    <div class="relative min-w-0 flex-1 overflow-hidden py-0.5">
+      <div class="truncate text-14-medium text-text-strong">{props.title}</div>
+      <div class="pointer-events-none absolute inset-0 overflow-hidden" aria-hidden="true">
+        <div class="absolute top-1/2 -translate-y-1/2" style={{ left: `calc(${x()}% - 6ch)` }}>
+          <Braille
+            kind={props.kind}
+            cols={props.cols}
+            rate={props.anim}
+            class="inline-flex items-center justify-center overflow-hidden font-mono text-[12px] leading-none font-semibold opacity-80 select-none"
+            style={{ color: props.color }}
+          />
+        </div>
+      </div>
+    </div>
+  )
+}
+
+const Replace = (props: {
+  title: string
+  kind: BrailleKind
+  cols: number
+  anim: number
+  move: number
+  color: string
+}) => {
+  const chars = createMemo(() => Array.from(props.title))
+  const frames = createMemo(() => getBrailleFrames(props.kind, props.cols))
+  const [state, setState] = createStore({ pos: 0, idx: 0 })
+
+  createEffect(() => {
+    if (typeof window === "undefined") return
+    setState({ pos: 0, idx: 0 })
+    const anim = window.setInterval(
+      () => setState("idx", (idx) => (idx + 1) % frames().length),
+      Math.max(16, Math.round(42 / Math.max(0.4, props.anim))),
+    )
+    const move = window.setInterval(
+      () => setState("pos", (pos) => (pos >= chars().length - 1 ? 0 : pos + 1)),
+      Math.max(90, Math.round(260 / Math.max(0.4, props.move))),
+    )
+    onCleanup(() => {
+      window.clearInterval(anim)
+      window.clearInterval(move)
+    })
+  })
+
+  return (
+    <div class="min-w-0 truncate whitespace-nowrap font-mono text-[13px] font-semibold text-text-strong">
+      {mask(props.title, frames()[state.idx] ?? "", state.pos)}
+    </div>
+  )
+}
+
+const Overlay = (props: {
+  title: string
+  kind: BrailleKind
+  cols: number
+  anim: number
+  move: number
+  color: string
+}) => {
+  let root: HTMLDivElement | undefined
+  let fx: HTMLDivElement | undefined
+  const [state, setState] = createStore({ pos: 0, max: 0, dark: false })
+
+  createEffect(() => {
+    if (typeof window === "undefined") return
+    setState({ pos: 0 })
+    const id = window.setInterval(
+      () => setState("pos", (pos) => (pos >= state.max ? 0 : Math.min(state.max, pos + 8))),
+      Math.max(90, Math.round(260 / Math.max(0.4, props.move))),
+    )
+    onCleanup(() => window.clearInterval(id))
+  })
+
+  createEffect(() => {
+    if (typeof window === "undefined") return
+    if (!root || !fx) return
+    const sync = () => setState("max", Math.max(0, root!.clientWidth - fx!.clientWidth))
+    sync()
+    const observer = new ResizeObserver(sync)
+    observer.observe(root)
+    observer.observe(fx)
+    onCleanup(() => observer.disconnect())
+  })
+
+  createEffect(() => {
+    if (typeof window === "undefined") return
+    const query = window.matchMedia("(prefers-color-scheme: dark)")
+    const sync = () => setState("dark", query.matches)
+    sync()
+    query.addEventListener("change", sync)
+    onCleanup(() => query.removeEventListener("change", sync))
+  })
+
+  return (
+    <div ref={root} class="relative min-w-0 flex-1 overflow-hidden py-0.5">
+      <div class="truncate text-14-medium text-text-strong">{props.title}</div>
+      <div class="pointer-events-none absolute inset-0 overflow-hidden" aria-hidden="true">
+        <div ref={fx} class="absolute top-1/2 -translate-y-1/2" style={{ left: `${state.pos}px` }}>
+          <Braille
+            kind={props.kind}
+            cols={props.cols}
+            rate={props.anim}
+            class="inline-flex items-center justify-center overflow-hidden rounded-sm px-0.5 py-2 font-mono text-[12px] leading-none font-semibold select-none"
+            style={{ color: props.color, "background-color": state.dark ? "#151515" : "#FCFCFC" }}
+          />
+        </div>
+      </div>
+    </div>
+  )
+}
+
+const Frame = (props: { title: string; kind: BrailleKind; cols: number; anim: number; color: string }) => {
+  const head = createMemo(() => getBrailleFrames(props.kind, props.cols))
+  const tail = createMemo(() => getBrailleFrames(props.kind, 64))
+  const [state, setState] = createStore({ idx: 0 })
+
+  createEffect(() => {
+    if (typeof window === "undefined") return
+    setState({ idx: 0 })
+    const id = window.setInterval(
+      () => setState("idx", (idx) => (idx + 1) % head().length),
+      Math.max(16, Math.round(42 / Math.max(0.4, props.anim))),
+    )
+    onCleanup(() => window.clearInterval(id))
+  })
+
+  return (
+    <div class="flex min-w-0 flex-1 items-center gap-2 overflow-hidden py-0.5">
+      <div class="shrink-0 font-mono text-[12px] font-semibold leading-none" style={{ color: props.color }}>
+        {head()[state.idx] ?? ""}
+      </div>
+      <div class="shrink-0 truncate text-14-medium text-text-strong">{props.title}</div>
+      <div
+        class="min-w-0 flex-1 overflow-hidden whitespace-nowrap font-mono text-[12px] font-semibold leading-none"
+        style={{ color: props.color }}
+      >
+        {tail()[state.idx] ?? ""}
+      </div>
+    </div>
+  )
+}
+
+const Trail = (props: { title: string; kind: BrailleKind; cols: number; anim: number; color: string }) => {
+  const tail = createMemo(() => trailFrames(Math.max(24, props.cols * 12)))
+  const [state, setState] = createStore({ idx: 0 })
+
+  createEffect(() => {
+    if (typeof window === "undefined") return
+    setState({ idx: 0 })
+    const id = window.setInterval(
+      () => setState("idx", (idx) => (idx + 1) % tail().length),
+      Math.max(16, Math.round(42 / Math.max(0.4, props.anim))),
+    )
+    onCleanup(() => window.clearInterval(id))
+  })
+
+  return (
+    <div class="flex w-full min-w-0 flex-1 items-center gap-2 overflow-hidden py-0.5">
+      <div class="min-w-0 max-w-[55%] flex-[0_1_auto] truncate text-14-medium text-text-strong">{props.title}</div>
+      <div
+        class="min-w-[10ch] basis-0 flex-[1_1_0%] overflow-hidden whitespace-nowrap font-mono text-[12px] font-semibold leading-none"
+        style={{ color: props.color }}
+      >
+        {tail()[state.idx] ?? ""}
+      </div>
+    </div>
+  )
+}
+
+const Square = (props: {
+  title: string
+  anim: number
+  move: number
+  color: string
+  size: number
+  gap: number
+  low: number
+  high: number
+}) => {
+  const cols = createMemo(() => Math.max(96, Math.ceil(Array.from(props.title).length * 4.5)))
+  const cells = createMemo(() =>
+    Array.from({ length: cols() * 4 }, (_, idx) => ({ row: Math.floor(idx / cols()), col: idx % cols() })),
+  )
+  const [state, setState] = createStore({ pos: 0, phase: 0 })
+
+  createEffect(() => {
+    if (typeof window === "undefined") return
+    setState({ pos: 0, phase: 0 })
+    const anim = window.setInterval(
+      () => setState("phase", (phase) => phase + 0.45),
+      Math.max(16, Math.round(44 / Math.max(0.4, props.anim))),
+    )
+    const move = window.setInterval(
+      () => setState("pos", (pos) => (pos >= cols() + 10 ? 0 : pos + 1)),
+      Math.max(40, Math.round(160 / Math.max(0.4, props.move))),
+    )
+    onCleanup(() => {
+      window.clearInterval(anim)
+      window.clearInterval(move)
+    })
+  })
+
+  return (
+    <div class="relative min-w-0 flex-1 overflow-hidden py-2">
+      <div
+        class="pointer-events-none absolute inset-0 grid content-center overflow-hidden"
+        aria-hidden="true"
+        style={{
+          "grid-template-columns": `repeat(${cols()}, ${props.size}px)`,
+          "grid-auto-rows": `${props.size}px`,
+          gap: `${props.gap}px`,
+        }}
+      >
+        <For each={cells()}>
+          {(cell) => {
+            const opacity = () => {
+              const wave = (Math.cos((cell.col - state.pos) * 0.32 - state.phase + cell.row * 0.55) + 1) / 2
+              return props.low + (props.high - props.low) * wave * wave
+            }
+            return (
+              <div
+                style={{
+                  width: `${props.size}px`,
+                  height: `${props.size}px`,
+                  "background-color": props.color,
+                  opacity: `${opacity()}`,
+                }}
+              />
+            )
+          }}
+        </For>
+      </div>
+      <div class="relative z-10 truncate px-2 text-14-medium text-text-strong">
+        <span class="bg-background-stronger">{props.title}</span>
+      </div>
+    </div>
+  )
+}
+
+export const selectSpinnerLab = (id: string) => {
+  if (!ids.has(id)) return
+  setLab("active", id as SpinnerLabId)
+}
+
+export const useSpinnerLab = () => ({
+  active: () => lab.active,
+  isActive: (id: string) => lab.active === id,
+  tune: lab.tune,
+  config: (id: SpinnerLabId) => lab.tune[id],
+  current: () => lab.tune[lab.active],
+  setTune: <K extends keyof SpinnerLabTune>(id: SpinnerLabId, key: K, value: SpinnerLabTune[K]) =>
+    setLab("tune", id, key, value),
+})
+
+export function SpinnerLabHeader(props: { title: string; tint?: string; class?: string }) {
+  const cfg = createMemo(() => lab.tune[lab.active])
+  const body = createMemo<JSX.Element>(() => {
+    const cur = cfg()
+
+    if (cur.mode === "current") {
+      return (
+        <div class="flex min-w-0 items-center gap-2">
+          <Spinner class="size-4" style={{ color: props.tint ?? cur.color }} />
+          <div class="min-w-0 truncate text-14-medium text-text-strong">{props.title}</div>
+        </div>
+      )
+    }
+
+    if (cur.mode === "spin" && cur.kind) {
+      return (
+        <div class="flex min-w-0 items-center gap-2">
+          <Braille
+            kind={cur.kind}
+            cols={cur.cols}
+            rate={cur.anim}
+            class="inline-flex w-4 items-center justify-center overflow-hidden font-mono text-[9px] leading-none select-none"
+            style={{ color: cur.color }}
+          />
+          <div class="min-w-0 truncate text-14-medium text-text-strong">{props.title}</div>
+        </div>
+      )
+    }
+
+    if (cur.mode === "shimmer" && cur.kind) {
+      return (
+        <Shimmer
+          title={props.title}
+          kind={cur.kind}
+          cols={cur.cols}
+          anim={cur.anim}
+          move={cur.move}
+          color={cur.color}
+        />
+      )
+    }
+
+    if (cur.mode === "replace" && cur.kind) {
+      return (
+        <Replace
+          title={props.title}
+          kind={cur.kind}
+          cols={cur.cols}
+          anim={cur.anim}
+          move={cur.move}
+          color={cur.color}
+        />
+      )
+    }
+
+    if (cur.mode === "overlay" && cur.kind) {
+      return (
+        <Overlay
+          title={props.title}
+          kind={cur.kind}
+          cols={cur.cols}
+          anim={cur.anim}
+          move={cur.move}
+          color={cur.color}
+        />
+      )
+    }
+
+    if (cur.mode === "trail" && cur.kind) {
+      return <Trail title={props.title} kind={cur.kind} cols={cur.cols} anim={cur.anim} color={cur.color} />
+    }
+
+    if (cur.mode === "frame" && cur.kind) {
+      return <Frame title={props.title} kind={cur.kind} cols={cur.cols} anim={cur.anim} color={cur.color} />
+    }
+
+    return (
+      <Square
+        title={props.title}
+        anim={cur.anim}
+        move={cur.move}
+        color={cur.color}
+        size={cur.size}
+        gap={cur.gap}
+        low={cur.low}
+        high={cur.high}
+      />
+    )
+  })
+
+  return <div class={props.class ?? "min-w-0 grow-1 w-full"}>{body()}</div>
+}

packages/opencode/package.json

@@ -133,9 +133,9 @@
     "minimatch": "10.0.3",
     "open": "10.1.2",
     "opencode-gitlab-auth": "2.0.0",
+    "opencode-poe-auth": "0.0.1",
     "opentui-spinner": "0.0.6",
     "partial-json": "0.1.7",
-    "opencode-poe-auth": "0.0.1",
     "remeda": "catalog:",
     "semver": "^7.6.3",
     "solid-js": "catalog:",

packages/opencode/src/provider/models-snapshot.d.ts

@@ -0,0 +1,2 @@
+// Auto-generated by build.ts - do not edit
+export declare const snapshot: Record<string, unknown>