separate tui from server plugin

packages/plugin/src/tui.ts

@@ -0,0 +1,86 @@
+import type { createOpencodeClient as createOpencodeClientV2, Event as TuiEvent } from "@opencode-ai/sdk/v2"
+import type { CliRenderer } from "@opentui/core"
+import type { Plugin, PluginOptions } from "./index"
+
+export type { CliRenderer } from "@opentui/core"
+
+type HexColor = `#${string}`
+type RefName = string
+type Variant = {
+  dark: HexColor | RefName | number
+  light: HexColor | RefName | number
+}
+type ThemeColorValue = HexColor | RefName | number | Variant
+
+export type ThemeJson = {
+  $schema?: string
+  defs?: Record<string, HexColor | RefName>
+  theme: Record<string, ThemeColorValue> & {
+    selectedListItemText?: ThemeColorValue
+    backgroundMenu?: ThemeColorValue
+    thinkingOpacity?: number
+  }
+}
+
+export type SlotMode = "append" | "replace" | "single_winner"
+
+type SlotRenderer<Node, Props, Context extends object = object> = (ctx: Readonly<Context>, props: Props) => Node
+
+type SlotPlugin<Node, Slots extends object, Context extends object = object> = {
+  id: string
+  order?: number
+  setup?: (ctx: Readonly<Context>, renderer: CliRenderer) => void
+  dispose?: () => void
+  slots: {
+    [K in keyof Slots]?: SlotRenderer<Node, Slots[K], Context>
+  }
+}
+
+export type TuiSlotMap = {
+  home_hint: {}
+  home_footer: {}
+  session_footer: {
+    session_id: string
+  }
+}
+
+export type TuiSlotContext = {
+  url: string
+  directory?: string
+}
+
+export type TuiSlotPlugin<Node = unknown> = SlotPlugin<Node, TuiSlotMap, TuiSlotContext>
+
+export type TuiSlots = {
+  register: (plugin: TuiSlotPlugin) => () => void
+}
+
+export type TuiEventBus = {
+  on: <Type extends TuiEvent["type"]>(
+    type: Type,
+    handler: (event: Extract<TuiEvent, { type: Type }>) => void,
+  ) => () => void
+}
+
+export type TuiPluginInput<Renderer = CliRenderer> = {
+  client: ReturnType<typeof createOpencodeClientV2>
+  event: TuiEventBus
+  url: string
+  directory?: string
+  renderer: Renderer
+  slots: TuiSlots
+}
+
+export type TuiPlugin<Renderer = CliRenderer> = (
+  input: TuiPluginInput<Renderer>,
+  options?: PluginOptions,
+) => Promise<void>
+
+export type TuiPluginModule<Renderer = CliRenderer> =
+  | TuiPlugin<Renderer>
+  | {
+      server?: Plugin
+      tui?: TuiPlugin<Renderer>
+      slots?: TuiSlotPlugin
+      themes?: Record<string, ThemeJson>
+    }