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type ModelKey = {
providerID: string
modelID: string
}
type ModelItem = ModelKey & {
name: string
}
type AgentItem = {
name: string
}
type State = {
agent?: string
model?: ModelKey | null
variant?: string | null
}
export type ModelProbeState = {
dir?: string
sessionID?: string
last?: {
type: "agent" | "model" | "variant"
agent?: string
model?: ModelKey | null
variant?: string | null
}
agent?: string
model?: (ModelKey & { name?: string }) | undefined
variant?: string | null
selected?: string | null
configured?: string
pick?: State
base?: State
current?: string
variants?: string[]
models?: ModelItem[]
agents?: AgentItem[]
}
export type ModelWindow = Window & {
__opencode_e2e?: {
model?: {
enabled?: boolean
current?: ModelProbeState
controls?: {
setAgent?: (name: string | undefined) => void
setModel?: (value: ModelKey | undefined) => void
setVariant?: (value: string | undefined) => void
}
}
}
}
const clone = (state?: State) => {
if (!state) return undefined
return {
...state,
model: state.model ? { ...state.model } : state.model,
}
}
let active: symbol | undefined
export const modelEnabled = () => {
if (typeof window === "undefined") return false
return (window as ModelWindow).__opencode_e2e?.model?.enabled === true
}
const root = () => {
if (!modelEnabled()) return
return (window as ModelWindow).__opencode_e2e?.model
}
export const modelProbe = {
bind(id: symbol, input: NonNullable<NonNullable<ModelWindow["__opencode_e2e"]>["model"]>["controls"]) {
const state = root()
if (!state) return
active = id
state.controls = input
},
set(id: symbol, input: ModelProbeState) {
const state = root()
if (!state || active !== id) return
state.current = {
...input,
model: input.model ? { ...input.model } : undefined,
last: input.last
? {
...input.last,
model: input.last.model ? { ...input.last.model } : input.last.model,
}
: undefined,
pick: clone(input.pick),
base: clone(input.base),
variants: input.variants?.slice(),
models: input.models?.map((item) => ({ ...item })),
agents: input.agents?.map((item) => ({ ...item })),
}
},
clear(id: symbol) {
const state = root()
if (!state || active !== id) return
active = undefined
state.current = undefined
state.controls = undefined
},
}
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