feat: add local model gateway and console tabs

shared/gateway.ts

@@ -0,0 +1,56 @@
+export type GatewayUpstreamInput = {
+  name: string
+  baseUrl: string
+  protocol: 'openai-chat-completions'
+  authentication: 'api-key' | 'none'
+  enabled: boolean
+  credentialAction: 'keep' | 'replace' | 'clear'
+  apiKey?: string
+}
+
+export type GatewayUpstream = Omit<GatewayUpstreamInput, 'credentialAction' | 'apiKey'> & {
+  id: string
+  credentialConfigured: boolean
+}
+
+export type GatewayModelInput = {
+  alias: string
+  upstreamId: string
+  remoteModel: string
+  enabled: boolean
+  displayName?: string
+}
+
+export type GatewayModel = GatewayModelInput & { id: string }
+
+export type GatewayAccessKey = {
+  id: string
+  name: string
+  modelIds: string[]
+  createdAt: string
+  revokedAt: string | null
+}
+export type GatewayAccessKeyInput = { name: string; modelIds: string[] }
+export type GatewayAccessKeyCreated = { accessKey: GatewayAccessKey; key: string }
+
+export type GatewayAudit = {
+  id: string
+  time: string
+  model: string
+  upstreamId: string | null
+  accessKeyId: string | null
+  stream: boolean
+  status: 'success' | 'failed' | 'cancelled'
+  httpStatus: number
+  durationMs: number
+  inputTokens: number | null
+  outputTokens: number | null
+  errorCode: string | null
+}
+
+export type GatewaySnapshot = {
+  upstreams: GatewayUpstream[]
+  models: GatewayModel[]
+  audits: GatewayAudit[]
+  gatewayBaseUrl: string | null
+}