tui: fix agent cycling and prompt metadata polish (anomalyco#23115)

Author: kitlangton

packages/opencode/src/cli/cmd/tui/component/dialog-command.tsx

@@ -63,6 +63,7 @@ function init() {
   useKeyboard((evt) => {
     if (suspended()) return
     if (dialog.stack.length > 0) return
+    if (evt.defaultPrevented) return
     for (const option of entries()) {
       if (!isEnabled(option)) continue
       if (option.keybind && keybind.match(option.keybind, evt)) {

packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx

@@ -26,7 +26,7 @@ import path from "path"
 import { fileURLToPath } from "url"
 import { Filesystem } from "@/util"
 import { useLocal } from "@tui/context/local"
-import { useTheme } from "@tui/context/theme"
+import { tint, useTheme } from "@tui/context/theme"
 import { EmptyBorder, SplitBorder } from "@tui/component/border"
 import { useSDK } from "@tui/context/sdk"
 import { useRoute } from "@tui/context/route"
@@ -804,20 +804,26 @@ export function Prompt(props: PromptProps) {
   createEffect(() => {
     if (!input || input.isDestroyed) return
     if (props.visible === false || dialog.stack.length > 0) {
-      input.blur()
+      if (input.focused) input.blur()
       vimState.clearPending()
       return
     }
 
     // Slot/plugin updates can remount the background prompt while a dialog is open.
     // Keep focus with the dialog and let the prompt reclaim it after the dialog closes.
-    input.focus()
+    if (!input.focused) input.focus()
   })
 
   createEffect(() => {
     if (!input || input.isDestroyed) return
+    const capture =
+      store.mode === "normal"
+        ? auto()?.visible
+          ? (["escape", "navigate", "submit", "tab"] as const)
+          : (["tab"] as const)
+        : undefined
     input.traits = {
-      capture: auto()?.visible ? ["escape", "navigate", "submit", "tab"] : undefined,
+      capture,
       suspend: !!props.disabled || store.mode === "shell",
       status: store.mode === "shell" ? "SHELL" : undefined,
     }
@@ -1239,6 +1245,7 @@ export function Prompt(props: PromptProps) {
     () => !!local.agent.current() && store.mode === "normal" && showVariant(),
     animationsEnabled,
   )
+  const borderHighlight = createMemo(() => tint(theme.border, highlight(), agentMetaAlpha()))
 
   const placeholderText = createMemo(() => {
     if (props.showPlaceholder === false) return undefined
@@ -1302,7 +1309,7 @@ export function Prompt(props: PromptProps) {
       <box ref={(r) => (anchor = r)} visible={props.visible !== false}>
         <box
           border={["left"]}
-          borderColor={highlight()}
+          borderColor={borderHighlight()}
           customBorderChars={{
             ...SplitBorder.customBorderChars,
             bottomLeft: "╹",
@@ -1582,11 +1589,10 @@ export function Prompt(props: PromptProps) {
                 <Show when={local.agent.current()} fallback={<box height={1} />}>
                   {(agent) => (
                     <>
-                      <text fg={fadeColor(highlight(), agentMetaAlpha())}>
-                        {store.mode === "shell" ? "Shell" : Locale.titlecase(agent().name)}{" "}
-                      </text>
+                      <text fg={fadeColor(highlight(), agentMetaAlpha())}>{store.mode === "shell" ? "Shell" : Locale.titlecase(agent().name)}</text>
                       <Show when={store.mode === "normal"}>
                         <box flexDirection="row" gap={1}>
+                          <text fg={fadeColor(theme.textMuted, modelMetaAlpha())}>·</text>
                           <text
                             flexShrink={0}
                             fg={fadeColor(dimmed() ? theme.textMuted : theme.text, modelMetaAlpha())}
@@ -1630,7 +1636,7 @@ export function Prompt(props: PromptProps) {
         <box
           height={1}
           border={["left"]}
-          borderColor={highlight()}
+          borderColor={borderHighlight()}
           customBorderChars={{
             ...EmptyBorder,
             vertical: theme.backgroundElement.a !== 0 ? "╹" : " ",

packages/opencode/src/cli/cmd/tui/context/local.tsx

@@ -75,7 +75,9 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
         },
         move(direction: 1 | -1) {
           batch(() => {
-            let next = agents().findIndex((x) => x.name === agentStore.current) + direction
+            const current = this.current()
+            if (!current) return
+            let next = agents().findIndex((x) => x.name === current.name) + direction
             if (next < 0) next = agents().length - 1
             if (next >= agents().length) next = 0
             const value = agents()[next]

packages/opencode/src/cli/cmd/tui/util/signal.ts

@@ -8,20 +8,23 @@ export function createDebouncedSignal<T>(value: T, ms: number): [Accessor<T>, Sc
 
 export function createFadeIn(show: Accessor<boolean>, enabled: Accessor<boolean>) {
   const [alpha, setAlpha] = createSignal(show() ? 1 : 0)
+  let revealed = show()
 
   createEffect(
-    on([show, enabled], ([visible, animate], previous) => {
+    on([show, enabled], ([visible, animate]) => {
       if (!visible) {
         setAlpha(0)
         return
       }
 
-      if (!animate || !previous) {
+      if (!animate || revealed) {
+        revealed = true
         setAlpha(1)
         return
       }
 
       const start = performance.now()
+      revealed = true
       setAlpha(0)
 
       const timer = setInterval(() => {