Worklog for task "Build the core of the agents and dialogs service"

Server Foundation and LLM/API

Based on the actual project state, the core server layer of the agents center has been implemented:

• added GraphQL operations llmChatCompletion, llmCompletion, llmImageGeneration, llmSpeechGeneration;
• the common LLM client supports Local and OpenRouter, keys remain on the server;
• added a shared execution context and GraphQL WebSocket transport;
• GraphQL LLM operations are currently protected by active user authorization;
• implemented PostgreSQL/Prisma and the server-side account layer (User, Token, registration, login, profile, sessions, JWT + stored session verification, bcrypt, session revocation);
• added DB bootstrap and fixed production startup/build.

Related commits recorded in the audit: d3bea97, ea2c78e, b8ce41b, bc95738.

Re-verified locally: TypeScript checks successful, DB compliance with Prisma contract successful, connection to agents-center from the host and from the container successful, the new server on port 3001 responds with HTTP 200, via the proxy on 8080 also HTTP 200.

Important: persistent storage of conversations and full-fledged entities for sites/agents/dialogs/messages as a product layer are not yet completed.