Apply PR #18551: Upgrade opentui to 0.1.90

Author: opencode-agent[bot]

bun.lock

@@ -103,8 +103,8 @@
     "@opencode-ai/sdk": "workspace:*",
     "@opencode-ai/util": "workspace:*",
     "@openrouter/ai-sdk-provider": "1.5.4",
-    "@opentui/core": "0.1.88",
-    "@opentui/solid": "0.1.88",
+    "@opentui/core": "0.1.90",
+    "@opentui/solid": "0.1.90",
     "@parcel/watcher": "2.5.1",
     "@pierre/diffs": "catalog:",
     "@solid-primitives/event-bus": "1.1.2",

packages/opencode/package.json

@@ -428,7 +428,7 @@ export function tint(base: RGBA, overlay: RGBA, alpha: number): RGBA {
 function generateSystem(colors: TerminalColors, mode: "dark" | "light"): ThemeJson {
   const bg = RGBA.fromHex(colors.defaultBackground ?? colors.palette[0]!)
   const fg = RGBA.fromHex(colors.defaultForeground ?? colors.palette[7]!)
-  const transparent = RGBA.fromInts(0, 0, 0, 0)
+  const transparent = RGBA.fromValues(bg.r, bg.g, bg.b, 0)
   const isDark = mode == "dark"
 
   const col = (i: number) => {

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

@@ -1471,6 +1471,8 @@ function TextPart(props: { last: boolean; part: TextPart; message: AssistantMess
               streaming={true}
               content={props.part.text.trim()}
               conceal={ctx.conceal()}
+              fg={theme.markdownText}
+              bg={theme.background}
             />
           </Match>
           <Match when={!Flag.OPENCODE_EXPERIMENTAL_MARKDOWN}>