Herm plugin API reference: HermPlugin and HermPluginApi

export type HermPlugin = {
  id: string
  enabled?: boolean
  tui(api: HermPluginApi): void | Promise<void>
}

api.slots.register(p: {
  order?: number
  slots: Partial<{
    [K in keyof Slots]: (ctx: SlotCtx, props: Slots[K]) => ReactNode
  }>
}): () => void

api.route.register(defs: ReadonlyArray<{
  name: string
  description?: string
  render: () => ReactNode
}>): () => void

api.route.navigate(name: string, sub?: number): void
api.route.current: string | undefined

api.command.register(cmds: ReadonlyArray<{
  title: string
  value: string
  description?: string
  category?: string
  onSelect: () => void
}>): () => void

api.event.on(fn: (ev: GatewayEvent) => void): () => void

api.ui.toast(opts: {
  variant?: "info" | "error" | "warning" | "success"
  title?: string
  message: string
}): void

api.ui.confirm(opts: { title: string; body: string; danger?: boolean }): Promise<boolean>
api.ui.prompt(opts: { title: string; label?: string; initial?: string }): Promise<string | null>
api.ui.alert(title: string, body: string): void
api.ui.select(opts: { title: string; options: ReadonlyArray<SelectOption>; placeholder?: string }): Promise<SelectOption | null>

api.kv.get<T>(key: string, fallback: T): T
api.kv.set(key: string, value: unknown): void

api.theme.current: Theme
api.theme.name: string
api.theme.mode: "dark" | "light"
api.theme.set(name: string): boolean
api.theme.setMode(mode: "dark" | "light"): void
api.theme.has(name: string): boolean

api.keys.match(id: ActionId, key: ParsedKey): boolean
api.keys.print(id: ActionId): string

api.client

api.eikon.rasterizer.register(r: Rasterizer): () => void

api.lifecycle.signal: AbortSignal
api.lifecycle.onDispose(fn: () => void | Promise<void>): () => void