From 30cb8d8cd118e825a52b5bc7e372f614af0f781a Mon Sep 17 00:00:00 2001
From: Brendan Allan <git@brendonovich.dev>
Date: Sat, 27 Jun 2026 01:57:17 +0800
Subject: [PATCH 1/2] fix(app): animate prompt selectors after loading

---
 bun.lock                                     |  4 ++++
 packages/app/package.json                    |  1 +
 packages/app/src/components/prompt-input.tsx | 11 ++++++++---
 packages/app/src/index.css                   |  1 +
 packages/ui/package.json                     |  3 ++-
 5 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/bun.lock b/bun.lock
index c7ac6ab61c77..84c4f9e5002f 100644
--- a/bun.lock
+++ b/bun.lock
@@ -83,6 +83,7 @@
         "@types/luxon": "catalog:",
         "@types/node": "catalog:",
         "@typescript/native-preview": "catalog:",
+        "tw-animate-css": "1.4.0",
         "typescript": "catalog:",
         "vite": "catalog:",
         "vite-plugin-icons-spritesheet": "3.0.1",
@@ -990,6 +991,7 @@
         "@typescript/native-preview": "catalog:",
         "solid-js": "catalog:",
         "tailwindcss": "catalog:",
+        "tw-animate-css": "1.4.0",
         "typescript": "catalog:",
         "vite": "catalog:",
         "vite-plugin-icons-spritesheet": "3.0.1",
@@ -5315,6 +5317,8 @@
 
     "turndown": ["turndown@7.2.0", "", { "dependencies": { "@mixmark-io/domino": "^2.2.0" } }, "sha512-eCZGBN4nNNqM9Owkv9HAtWRYfLA4h909E/WGAWWBpmB275ehNhZyk87/Tpvjbp0jjNl9XwCsbe6bm6CqFsgD+A=="],
 
+    "tw-animate-css": ["tw-animate-css@1.4.0", "", {}, "sha512-7bziOlRqH0hJx80h/3mbicLW7o8qLsH5+RaLR2t+OHM3D0JlWGODQKQ4cxbK7WlvmUxpcj6Kgu6EKqjrGFe3QQ=="],
+
     "tw-to-css": ["tw-to-css@0.0.12", "", { "dependencies": { "postcss": "8.4.31", "postcss-css-variables": "0.18.0", "tailwindcss": "3.3.2" } }, "sha512-rQAsQvOtV1lBkyCw+iypMygNHrShYAItES5r8fMsrhhaj5qrV2LkZyXc8ccEH+u5bFjHjQ9iuxe90I7Kykf6pw=="],
 
     "type-fest": ["type-fest@4.41.0", "", {}, "sha512-TeTSQ6H5YHvpqVwBRcnLDCBnDOHWYu7IvGbHT6N8AOymcr9PJGjc1GTtiWZTYg0NCgYwvnYWEkVChQAr9bjfwA=="],
diff --git a/packages/app/package.json b/packages/app/package.json
index b8f52ebfc75d..52420afedc1e 100644
--- a/packages/app/package.json
+++ b/packages/app/package.json
@@ -38,6 +38,7 @@
     "@types/luxon": "catalog:",
     "@types/node": "catalog:",
     "@typescript/native-preview": "catalog:",
+    "tw-animate-css": "1.4.0",
     "typescript": "catalog:",
     "vite": "catalog:",
     "vite-plugin-icons-spritesheet": "3.0.1",
diff --git a/packages/app/src/components/prompt-input.tsx b/packages/app/src/components/prompt-input.tsx
index f9a99aebb603..3659e9d3437a 100644
--- a/packages/app/src/components/prompt-input.tsx
+++ b/packages/app/src/components/prompt-input.tsx
@@ -1343,9 +1343,9 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
   }
 
   const agentsLoading = () => props.controls.agents.loading
-  const agentsShouldFadeIn = createMemo((prev) => prev ?? agentsLoading())
+  const agentsShouldFadeIn = createMemo<boolean>((prev) => prev ?? agentsLoading())
   const providersLoading = () => props.controls.model.loading
-  const providersShouldFadeIn = createMemo((prev) => prev ?? providersLoading())
+  const providersShouldFadeIn = createMemo<boolean>((prev) => prev ?? providersLoading())
 
   const [promptReady] = createResource(
     () => prompt.ready.promise,
@@ -1359,6 +1359,7 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
 
   const modelControlState = createMemo<ComposerModelControlState>(() => ({
     loading: providersLoading(),
+    shouldAnimate: providersShouldFadeIn(),
     paid: props.controls.model.paid,
     title: language.t("command.model.choose"),
     keybind: command.keybind("model.choose"),
@@ -1519,10 +1520,11 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
                   </Show>
                   {props.toolbar}
                   <ComposerModelControl state={modelControlState()} />
-                  <Show when={store.mode !== "shell" && showVariantControl()}>
+                  <Show when={!providersLoading() && store.mode !== "shell" && showVariantControl()}>
                     <div
                       data-component="prompt-variant-control"
                       classList={{
+                        "animate-in fade-in": providersShouldFadeIn(),
                         "hidden group-hover/prompt-input:block group-focus-within/prompt-input:block":
                           !props.controls.model.selection.variant.current() && !store.variantOpen,
                       }}
@@ -1923,6 +1925,7 @@ type ComposerAgentControlState = {
 
 type ComposerModelControlState = {
   loading: boolean
+  shouldAnimate: boolean
   paid: boolean
   title: string
   keybind: string
@@ -1970,6 +1973,7 @@ function ComposerModelControl(props: { state: ComposerModelControlState }) {
               variant="ghost"
               size="normal"
               class="min-w-0 max-w-[220px] justify-start text-[13px] font-[440] leading-5 text-v2-text-text-faint group"
+              classList={{ "animate-in fade-in": props.state.shouldAnimate }}
               style={props.state.style}
               onClick={props.state.onUnpaidClick}
             >
@@ -2000,6 +2004,7 @@ function ComposerModelControl(props: { state: ComposerModelControlState }) {
               style: props.state.style,
               class:
                 "min-w-0 max-w-[220px] justify-start text-[13px] font-[440] leading-5 text-v2-text-text-faint group",
+              classList: { "animate-in fade-in": props.state.shouldAnimate },
               "data-action": "prompt-model",
             }}
             onClose={props.state.onClose}
diff --git a/packages/app/src/index.css b/packages/app/src/index.css
index 77982626a71a..95b6e7aa5078 100644
--- a/packages/app/src/index.css
+++ b/packages/app/src/index.css
@@ -1,6 +1,7 @@
 @import "@opencode-ai/ui/styles/tailwind";
 @import "@opencode-ai/session-ui/styles";
 @import "@opencode-ai/ui/v2/styles/tailwind.css";
+@import "tw-animate-css";
 
 @font-face {
   font-family: "JetBrainsMono Nerd Font Mono";
diff --git a/packages/ui/package.json b/packages/ui/package.json
index 991ec8232e7e..6312702331af 100644
--- a/packages/ui/package.json
+++ b/packages/ui/package.json
@@ -64,15 +64,16 @@
     "generate:v2-oc2": "bun run script/build-oc2-v2-overrides.ts"
   },
   "devDependencies": {
+    "@solidjs/meta": "catalog:",
     "@tailwindcss/vite": "catalog:",
     "@tsconfig/node22": "catalog:",
     "@types/bun": "catalog:",
     "@types/katex": "0.16.7",
     "@types/luxon": "catalog:",
     "@typescript/native-preview": "catalog:",
-    "@solidjs/meta": "catalog:",
     "solid-js": "catalog:",
     "tailwindcss": "catalog:",
+    "tw-animate-css": "1.4.0",
     "typescript": "catalog:",
     "vite": "catalog:",
     "vite-plugin-icons-spritesheet": "3.0.1",

From 1310c07d0ff90b37dac0f0bce44d19668897578e Mon Sep 17 00:00:00 2001
From: Brendan Allan <git@brendonovich.dev>
Date: Sat, 27 Jun 2026 02:34:25 +0800
Subject: [PATCH 2/2] refactor(app): use animation utilities for prompt
 controls

---
 packages/app/src/components/prompt-input.tsx | 6 +++---
 packages/app/src/index.css                   | 9 ---------
 2 files changed, 3 insertions(+), 12 deletions(-)

diff --git a/packages/app/src/components/prompt-input.tsx b/packages/app/src/components/prompt-input.tsx
index 3659e9d3437a..56f5296a8968 100644
--- a/packages/app/src/components/prompt-input.tsx
+++ b/packages/app/src/components/prompt-input.tsx
@@ -1767,7 +1767,7 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
                     <Show when={!agentsLoading()}>
                       <div
                         data-component="prompt-agent-control"
-                        style={agentsShouldFadeIn() ? { animation: "fade-in 0.3s" } : undefined}
+                        classList={{ "animate-in fade-in duration-300": agentsShouldFadeIn() }}
                       >
                         <TooltipKeybind
                           placement="top"
@@ -1796,7 +1796,7 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
                       <Show when={store.mode !== "shell"}>
                         <div
                           data-component="prompt-model-control"
-                          style={providersShouldFadeIn() ? { animation: "fade-in 0.3s" } : undefined}
+                          classList={{ "animate-in fade-in duration-300": providersShouldFadeIn() }}
                         >
                           <Show
                             when={props.controls.model.paid}
@@ -1875,7 +1875,7 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
                         <Show when={showVariantControl()}>
                           <div
                             data-component="prompt-variant-control"
-                            style={providersShouldFadeIn() ? { animation: "fade-in 0.3s" } : undefined}
+                            classList={{ "animate-in fade-in duration-300": providersShouldFadeIn() }}
                           >
                             <TooltipKeybind
                               placement="top"
diff --git a/packages/app/src/index.css b/packages/app/src/index.css
index 95b6e7aa5078..a99034f5da9c 100644
--- a/packages/app/src/index.css
+++ b/packages/app/src/index.css
@@ -132,13 +132,4 @@
       transform: rotate(360deg);
     }
   }
-
-  @keyframes fade-in {
-    from {
-      opacity: 0;
-    }
-    to {
-      opacity: 1;
-    }
-  }
 }