refactor: isolate legacy flags

packages/tui/src/app.tsx

@@ -4,7 +4,6 @@ import { Deferred, Effect } from "effect"
 import { Service, type Endpoint } from "@opencode-ai/client/effect/service"
 import { OpenCode } from "@opencode-ai/client"
 import { Global } from "@opencode-ai/core/global"
-import { Flag } from "@opencode-ai/core/flag/flag"
 import { ClipboardProvider, useClipboard } from "./context/clipboard"
 import { LogProvider, useLog, type LogSink } from "./context/log"
 import { ExitProvider, useExit } from "./context/exit"
@@ -211,7 +210,7 @@ export const run = Effect.fn("Tui.run")(function* (input: TuiInput) {
         useKittyKeyboard: {},
         autoFocus: false,
         openConsoleOnError: false,
-        useMouse: !Flag.OPENCODE_DISABLE_MOUSE && config.mouse,
+        useMouse: config.mouse,
         consoleOptions: {
           keyBindings: [{ name: "y", ctrl: true, action: "copy-selection" }],
         },
@@ -466,7 +465,7 @@ function App(props: { pair?: DialogPairCredentials; started: number }) {
   const offSelectionKeys = keymap.intercept(
     "key",
     ({ event }) => {
-      if (!Flag.OPENCODE_EXPERIMENTAL_DISABLE_COPY_ON_SELECT) return
+      if (config.data.terminal?.copy_on_select ?? process.platform !== "win32") return
       Selection.handleSelectionKey(renderer, toast, event, clipboard)
     },
     { priority: 1 },
@@ -487,15 +486,16 @@ function App(props: { pair?: DialogPairCredentials; started: number }) {
     renderer.clearSelection()
   }
   const terminalTitleEnabled = () => config.data.terminal?.title ?? true
+  const copyOnSelectEnabled = () => config.data.terminal?.copy_on_select ?? process.platform !== "win32"
   const pasteSummaryEnabled = () => config.data.prompt?.paste !== "full"
 
   createEffect(() => {
-    renderer.useMouse = !Flag.OPENCODE_DISABLE_MOUSE && config.data.mouse
+    renderer.useMouse = config.data.mouse
   })
 
   // Update terminal window title based on current route and session
   createEffect(() => {
-    if (!terminalTitleEnabled() || Flag.OPENCODE_DISABLE_TERMINAL_TITLE) return
+    if (!terminalTitleEnabled()) return
 
     if (route.data.type === "home") {
       renderer.setTerminalTitle("OpenCode")
@@ -1090,7 +1090,7 @@ function App(props: { pair?: DialogPairCredentials; started: number }) {
       flexDirection="column"
       backgroundColor={themeV2.background.default}
       onMouseDown={(evt) => {
-        if (!Flag.OPENCODE_EXPERIMENTAL_DISABLE_COPY_ON_SELECT) return
+        if (copyOnSelectEnabled()) return
         if (evt.button !== MouseButton.RIGHT) return
 
         if (!Selection.copy(renderer, toast, clipboard)) return
@@ -1098,12 +1098,12 @@ function App(props: { pair?: DialogPairCredentials; started: number }) {
         evt.stopPropagation()
       }}
       onMouseUp={
-        !Flag.OPENCODE_EXPERIMENTAL_DISABLE_COPY_ON_SELECT
+        copyOnSelectEnabled()
           ? () => Selection.copy(renderer, toast, clipboard)
           : undefined
       }
     >
-      <Show when={Flag.OPENCODE_SHOW_TTFD}>
+      <Show when={config.data.debug?.timing}>
         <TimeToFirstDraw />
       </Show>
       <box flexGrow={1} minHeight={0} flexDirection="row">

packages/tui/src/component/dialog-config.tsx

@@ -206,6 +206,14 @@ const settings: Setting[] = [
     values: [false, true],
     labels: ["off", "on"],
   },
+  {
+    title: "Copy on select",
+    category: "Terminal",
+    path: ["terminal", "copy_on_select"],
+    default: process.platform !== "win32",
+    values: [false, true],
+    labels: ["off", "on"],
+  },
   {
     title: "DevTools",
     category: "Debug",
@@ -214,6 +222,14 @@ const settings: Setting[] = [
     values: [false, true],
     labels: ["off", "on"],
   },
+  {
+    title: "Timing",
+    category: "Debug",
+    path: ["debug", "timing"],
+    default: false,
+    values: [false, true],
+    labels: ["off", "on"],
+  },
 ]
 
 export function DialogConfig() {

packages/tui/src/component/prompt/index.tsx

@@ -12,7 +12,6 @@ import { registerOpencodeSpinner } from "../register-spinner"
 import path from "path"
 import { fileURLToPath } from "url"
 import { useLocal } from "../../context/local"
-import { Flag } from "@opencode-ai/core/flag/flag"
 import { useTheme } from "../../context/theme"
 import { tint } from "../../theme/color"
 import { EmptyBorder, SplitBorder } from "../../ui/border"

packages/tui/src/config/index.tsx

@@ -92,6 +92,7 @@ export const Info = Schema.Struct({
   terminal: Schema.optional(
     Schema.Struct({
       title: Schema.optional(Schema.Boolean).annotate({ description: "Update the terminal window title" }),
+      copy_on_select: Schema.optional(Schema.Boolean).annotate({ description: "Copy selected terminal text" }),
     }),
   ).annotate({ description: "Terminal integration settings" }),
   prompt: Schema.optional(
@@ -129,6 +130,7 @@ export const Info = Schema.Struct({
   debug: Schema.optional(
     Schema.Struct({
       devtools: Schema.optional(Schema.Boolean).annotate({ description: "Show the DevTools sidebar" }),
+      timing: Schema.optional(Schema.Boolean).annotate({ description: "Show time-to-first-draw diagnostics" }),
     }),
   ).annotate({ description: "Debugging settings" }),
   animations: Schema.optional(Schema.Boolean).annotate({ description: "Enable interface animations" }),

packages/tui/src/ui/dialog.tsx

@@ -5,8 +5,8 @@ import { useTheme } from "../context/theme"
 import { MouseButton, Renderable, RGBA } from "@opentui/core"
 import { createStore } from "solid-js/store"
 import { useToast } from "./toast"
-import { Flag } from "@opencode-ai/core/flag/flag"
 import { useClipboard } from "../context/clipboard"
+import { useConfig } from "../config"
 
 export function Dialog(
   props: ParentProps<{
@@ -197,6 +197,8 @@ export function DialogProvider(props: ParentProps) {
   const renderer = useRenderer()
   const toast = useToast()
   const clipboard = useClipboard()
+  const config = useConfig()
+  const copyOnSelectEnabled = () => config.data.terminal?.copy_on_select ?? process.platform !== "win32"
 
   function copySelection() {
     const text = renderer.getSelection()?.getSelectedText()
@@ -216,14 +218,14 @@ export function DialogProvider(props: ParentProps) {
         position="absolute"
         zIndex={3000}
         onMouseDown={(evt: { button: number; preventDefault(): void; stopPropagation(): void }) => {
-          if (!Flag.OPENCODE_EXPERIMENTAL_DISABLE_COPY_ON_SELECT) return
+          if (copyOnSelectEnabled()) return
           if (evt.button !== MouseButton.RIGHT) return
 
           if (!copySelection()) return
           evt.preventDefault()
           evt.stopPropagation()
         }}
-        onMouseUp={!Flag.OPENCODE_EXPERIMENTAL_DISABLE_COPY_ON_SELECT ? copySelection : undefined}
+        onMouseUp={copyOnSelectEnabled() ? copySelection : undefined}
       >
         <Show when={value.stack.length}>
           <Dialog onClose={() => value.clear()} size={value.size} centered={value.centered}>