feat: complete release preparation, 10+ ad mediation, CI/CD, and docker deployment

apps/desktop/src/main/services/OnlineLLMService.ts

@@ -0,0 +1,163 @@
+// src/main/services/OnlineLLMService.ts
+// C# .NET Backend API Server 연결 서비스.
+// 온라인 모드 사용 시 필수 인증(JWT Bearer)을 통해 서버로 AI 요청 전달.
+
+import { EventEmitter } from 'events'
+import { getLogger } from './LoggerService'
+import { configGet, configSet } from './ConfigService'
+import { D3ROError, ErrorCode } from '@d3ro/core/errors'
+import type { LLMAction } from '@d3ro/core/types'
+import { resolveSystemPrompt } from './llm-prompts'
+
+const logger = getLogger('OnlineLLMService')
+
+interface OnlineGenerateOptions {
+  model?: string
+  temperature?: number
+  maxTokens?: number
+  systemPrompt?: string
+}
+
+interface OnlineGenerateResponse {
+  text: string
+  model: string
+  promptTokens: number
+  completionTokens: number
+  totalDurationMs: number
+  cost: number
+}
+
+class OnlineLLMService extends EventEmitter {
+  private _abortController: AbortController | null = null
+  private _disposed = false
+
+  isAvailable(): boolean {
+    const token = configGet('authToken')
+    return Boolean(token && token.length > 0)
+  }
+
+  private _ensureAuth(): string {
+    if (this._disposed) {
+      throw new D3ROError(ErrorCode.LLMProcessingFailed, 'OnlineLLMService disposed')
+    }
+    const token = configGet('authToken')
+    if (!token || token.length === 0) {
+      throw new D3ROError(
+        ErrorCode.LLMServerUnreachable,
+        '온라인 모드를 이용하기 위해서는 로그인이 꼭 필요합니다.'
+      )
+    }
+    return token
+  }
+
+  async processText(
+    text: string,
+    action: LLMAction,
+    targetLanguage?: string,
+    customPrompt?: string
+  ): Promise<string> {
+    const token = this._ensureAuth()
+    const apiUrl = configGet('onlineApiUrl') ?? 'http://localhost:5000'
+    const systemPrompt = resolveSystemPrompt(action, targetLanguage, customPrompt)
+
+    try {
+      const response = await fetch(`${apiUrl}/api/llm/generate`, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+          Authorization: `Bearer ${token}`
+        },
+        body: JSON.stringify({
+          prompt: text,
+          systemPrompt,
+          model: configGet('llmModelId') ?? 'd3ro-gpt4o-mini',
+          temperature: 0.7,
+          maxTokens: 2048
+        })
+      })
+
+      if (response.status === 401) {
+        configSet('authToken', null)
+        throw new D3ROError(
+          ErrorCode.LLMServerUnreachable,
+          '인증 토큰이 만료되었습니다. 다시 로그인해주세요.'
+        )
+      }
+
+      if (!response.ok) {
+        throw new D3ROError(
+          ErrorCode.LLMProcessingFailed,
+          `API Server responded with status ${response.status}`
+        )
+      }
+
+      const data = (await response.json()) as OnlineGenerateResponse
+      if (!data.text || !data.text.trim()) {
+        throw new D3ROError(ErrorCode.LLMProcessingFailed, 'Online LLM returned empty text')
+      }
+      return data.text.trim()
+    } catch (err) {
+      if (err instanceof D3ROError) throw err
+      throw new D3ROError(
+        ErrorCode.LLMProcessingFailed,
+        `온라인 API 서버 연결 실패: ${err instanceof Error ? err.message : String(err)}`
+      )
+    }
+  }
+
+  async *chatStream(
+    messages: Array<{ role: string; content: string }>,
+    options?: { model?: string; temperature?: number }
+  ): AsyncGenerator<string, string> {
+    const token = this._ensureAuth()
+    const apiUrl = configGet('onlineApiUrl') ?? 'http://localhost:5000'
+
+    const response = await fetch(`${apiUrl}/api/llm/chat`, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        Authorization: `Bearer ${token}`
+      },
+      body: JSON.stringify({
+        messages: messages.map((m) => ({ role: m.role, content: m.content })),
+        model: options?.model ?? configGet('llmModelId') ?? 'd3ro-gpt4o-mini',
+        temperature: options?.temperature ?? 0.7
+      })
+    })
+
+    if (!response.ok) {
+      throw new D3ROError(ErrorCode.LLMProcessingFailed, `Online API Error: ${response.status}`)
+    }
+
+    const data = (await response.json()) as OnlineGenerateResponse
+    yield data.text
+    return data.text
+  }
+
+  cancelGeneration(): void {
+    if (this._abortController) {
+      this._abortController.abort()
+      this._abortController = null
+    }
+  }
+
+  dispose(): void {
+    this._disposed = true
+    this.cancelGeneration()
+    this.removeAllListeners()
+  }
+}
+
+let instance: OnlineLLMService | null = null
+
+export function resetOnlineLLMServiceForTests(): void {
+  if (instance) instance.removeAllListeners()
+  instance = null
+}
+
+export function getOnlineLLMService(): OnlineLLMService {
+  if (!instance) {
+    instance = new OnlineLLMService()
+  }
+  return instance
+}