DeutschLernen/GermanApp/Domain/Interfaces/IMistralService.cs
Lasse Rune Hansen 769c63b005
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feat(backend/ai-services): Complete AI Services Phase 0-4 implementation
- Add Domain interfaces: IMistralService, IVoskService, ITtsService
- Add Configuration classes: VoskConfig, CoquiConfig
- Add Application service: MistralService (text generation with Mistral)
- Add Infrastructure services: VoskService (speech recognition), TtsService (TTS)
- Add Presentation controllers: MistralController, SpeechController, TtsController
- Fix MistralService to use correct IMistralConnector methods (CompleteAsync, ChatAsync)
- Fix TtsController to use record constructor syntax
- Fix TtsService Task.FromResult type specification
- Fix Program.cs service registration and remove merge conflict markers
- Update docs/features/ai-services.md with progress (Phases 0-4 complete)
- Update docs/ROADMAP.md with AI Services status and test metrics (296 tests)

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>
2026-06-13 10:09:19 +02:00

77 lines
3.1 KiB
C#

namespace GermanApp.Domain.Interfaces;
/// <summary>
/// Domain interface for Mistral AI text generation service.
/// This is part of the Domain layer.
/// </summary>
public interface IMistralService
{
/// <summary>
/// Generates text from a prompt using Mistral API.
/// </summary>
/// <param name="prompt">The input prompt</param>
/// <param name="model">The model to use (defaults to configured default)</param>
/// <param name="temperature">Creativity level (0-1)</param>
/// <param name="maxTokens">Maximum tokens to generate</param>
/// <param name="cancellationToken">Cancellation token</param>
/// <returns>Generated text</returns>
Task<string> GenerateTextAsync(
string prompt,
string? model = null,
float temperature = 0.7f,
int? maxTokens = null,
CancellationToken cancellationToken = default);
/// <summary>
/// Generates text from chat messages using Mistral API.
/// </summary>
/// <param name="messages">List of chat messages (role, content)</param>
/// <param name="model">The model to use</param>
/// <param name="temperature">Creativity level (0-1)</param>
/// <param name="maxTokens">Maximum tokens to generate</param>
/// <param name="cancellationToken">Cancellation token</param>
/// <returns>Generated text response</returns>
Task<string> GenerateChatAsync(
IReadOnlyList<(string role, string content)> messages,
string? model = null,
float temperature = 0.7f,
int? maxTokens = null,
CancellationToken cancellationToken = default);
/// <summary>
/// Generates a story based on lesson context and vocabulary.
/// </summary>
/// <param name="level">CEFR level (A1, A2, B1, B2, C1)</param>
/// <param name="topic">Story topic</param>
/// <param name="vocabularyWords">List of vocabulary words to include</param>
/// <param name="length">Approximate story length in words</param>
/// <param name="cancellationToken">Cancellation token</param>
/// <returns>Generated story text</returns>
Task<string> GenerateStoryAsync(
string level,
string topic,
IReadOnlyList<string> vocabularyWords,
int length = 200,
CancellationToken cancellationToken = default);
/// <summary>
/// Provides feedback on user writing.
/// </summary>
/// <param name="userText">The text written by the user</param>
/// <param name="level">CEFR level for appropriate feedback</param>
/// <param name="prompt">Original prompt/exercise</param>
/// <param name="cancellationToken">Cancellation token</param>
/// <returns>Feedback with corrections and suggestions</returns>
Task<string> GenerateWritingFeedbackAsync(
string userText,
string level,
string? prompt = null,
CancellationToken cancellationToken = default);
/// <summary>
/// Tests the Mistral API connection.
/// </summary>
/// <param name="cancellationToken">Cancellation token</param>
/// <returns>True if connection is successful</returns>
Task<bool> TestConnectionAsync(CancellationToken cancellationToken = default);
}