feat(opencode): add interactive split-footer mode to run (#23557)

packages/opencode/src/cli/cmd/run/scrollback.shared.ts

@@ -0,0 +1,92 @@
+import { SyntaxStyle, TextAttributes, type ColorInput } from "@opentui/core"
+import { type RunEntryTheme, type RunTheme } from "./theme"
+import type { StreamCommit } from "./types"
+
+function syntax(style?: SyntaxStyle): SyntaxStyle {
+  return style ?? SyntaxStyle.fromTheme([])
+}
+
+export function entrySyntax(commit: StreamCommit, theme: RunTheme): SyntaxStyle {
+  if (commit.kind === "reasoning") {
+    return syntax(theme.block.subtleSyntax ?? theme.block.syntax)
+  }
+
+  return syntax(theme.block.syntax)
+}
+
+export function entryFailed(commit: StreamCommit): boolean {
+  return commit.kind === "tool" && (commit.toolState === "error" || commit.part?.state.status === "error")
+}
+
+export function entryLook(commit: StreamCommit, theme: RunEntryTheme): { fg: ColorInput; attrs?: number } {
+  if (commit.kind === "user") {
+    return {
+      fg: theme.user.body,
+      //attrs: TextAttributes.BOLD,
+    }
+  }
+
+  if (entryFailed(commit)) {
+    return {
+      fg: theme.error.body,
+      attrs: TextAttributes.BOLD,
+    }
+  }
+
+  if (commit.phase === "final") {
+    return {
+      fg: theme.system.body,
+      attrs: TextAttributes.DIM,
+    }
+  }
+
+  if (commit.kind === "tool" && commit.phase === "start") {
+    return {
+      fg: theme.tool.start ?? theme.tool.body,
+    }
+  }
+
+  if (commit.kind === "assistant") {
+    return { fg: theme.assistant.body }
+  }
+
+  if (commit.kind === "reasoning") {
+    return {
+      fg: theme.reasoning.body,
+      attrs: TextAttributes.DIM,
+    }
+  }
+
+  if (commit.kind === "error") {
+    return {
+      fg: theme.error.body,
+      attrs: TextAttributes.BOLD,
+    }
+  }
+
+  if (commit.kind === "tool") {
+    return { fg: theme.tool.body }
+  }
+
+  return { fg: theme.system.body }
+}
+
+export function entryColor(commit: StreamCommit, theme: RunTheme): ColorInput {
+  if (commit.kind === "assistant") {
+    return theme.entry.assistant.body
+  }
+
+  if (commit.kind === "reasoning") {
+    return theme.entry.reasoning.body
+  }
+
+  if (entryFailed(commit)) {
+    return theme.entry.error.body
+  }
+
+  if (commit.kind === "tool") {
+    return theme.block.text
+  }
+
+  return entryLook(commit, theme.entry).fg
+}