重构 AI 模型配置中心

src/shared/ai-provider.ts

@@ -0,0 +1,90 @@
+export type AIProviderType =
+  | 'openai-compatible'
+  | 'anthropic-messages'
+  | 'azure-openai'
+  | 'ollama'
+  | 'custom'
+
+export type AIAuthType = 'bearer' | 'x-api-key' | 'custom-header' | 'none'
+
+export interface AIProviderAuth {
+  type: AIAuthType
+  headerName?: string
+}
+
+export interface AIModelCapabilities {
+  chat: boolean
+  vision: boolean
+  longContext: boolean
+}
+
+export interface AIModelDefinition {
+  name: string
+  id: string
+  capabilities: AIModelCapabilities
+  maxTokens?: number
+}
+
+export interface AIProviderAdvancedSettings {
+  timeoutMs: number
+  temperature?: number
+  maxTokens?: number
+  extraHeaders: Record<string, string>
+}
+
+export interface AIProviderConfig {
+  id: string
+  name: string
+  type: AIProviderType
+  baseUrl: string
+  apiKey?: string
+  auth: AIProviderAuth
+  models: AIModelDefinition[]
+  defaultModel: string
+  advanced: AIProviderAdvancedSettings
+}
+
+export interface AIProviderSummary extends Omit<AIProviderConfig, 'apiKey'> {
+  hasApiKey: boolean
+  isDefault: boolean
+  status: 'untested' | 'connected' | 'error'
+  lastTestedAt?: number
+  lastError?: string
+}
+
+export interface AIProviderListResult {
+  success: boolean
+  providers: AIProviderSummary[]
+  defaultProviderId?: string
+  error?: string
+}
+
+export interface AIRuntimeModelConfig {
+  providerId?: string
+  providerName: string
+  model: string
+  modelName: string
+  configured: boolean
+  status: AIProviderSummary['status']
+}
+
+export interface LegacyAIConfig {
+  apiKey?: string
+  baseUrl?: string
+  model?: string
+}
+
+export interface AIChatRequestOptions {
+  providerId?: string
+  modelId?: string
+  // Legacy compatibility only. New callers must use providerId/modelId.
+  apiKey?: string
+  baseURL?: string
+  model?: string
+}
+
+export interface AIConnectionTestResult {
+  success: boolean
+  error?: string
+  latencyMs?: number
+}