Добавлено управление OpenAI API ключом через web API

backend/main.py

@@ -1,5 +1,12 @@
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
+from pydantic import BaseModel
+
+from backend.config_store import (
+    get_openai_model,
+    has_openai_key,
+    set_setting,
+)
 
 app = FastAPI(title='DevConsole', version='0.1.0')
 
@@ -12,17 +19,43 @@ app.add_middleware(
 )
 
 
+class OpenAIConfigRequest(BaseModel):
+    api_key: str
+    model: str = 'gpt-5'
+
+
 @app.get('/')
 async def root():
     return {
         'project': 'DevConsole',
         'version': '0.1.0',
-        'status': 'running'
+        'status': 'running',
+        'openai_configured': has_openai_key(),
     }
 
 
 @app.get('/health')
 async def health():
     return {
-        'status': 'ok'
+        'status': 'ok',
+        'openai_configured': has_openai_key(),
+    }
+
+
+@app.get('/api/settings/openai')
+async def openai_status():
+    return {
+        'configured': has_openai_key(),
+        'model': get_openai_model(),
+    }
+
+
+@app.post('/api/settings/openai')
+async def save_openai_settings(payload: OpenAIConfigRequest):
+    set_setting('OPENAI_API_KEY', payload.api_key.strip())
+    set_setting('OPENAI_MODEL', payload.model.strip())
+
+    return {
+        'success': True,
+        'message': 'OpenAI settings saved',
     }