moving to openrouter

Reviewed-on: #1

.dockerignore

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+**/.git
+**/.github
+**/.claude
+**/.gitea
+**/bin
+**/obj
+**/.cache
+**/.vs
+**/.vscode
+node_modules
+appsettings.Development.json

.gitea/workflows/mindforge-api.yaml

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+name: Mindforge API Build and Deploy
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "Mindforge.API/**"
+      - ".gitea/workflows/**"
+  workflow_dispatch: {}
+
+env:
+  REGISTRY_HOST: git.ivanch.me
+  REGISTRY_USERNAME: ivanch
+  IMAGE_API: ${{ env.REGISTRY_HOST }}/ivanch/mindforge-api
+  KUBE_CONFIG: ${{ secrets.KUBE_CONFIG }}
+
+jobs:
+  build_mindforge_api:
+    name: Build Mindforge API Image
+    runs-on: ubuntu-22.04
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v2
+
+      - name: Log in to Container Registry
+        run: |
+          echo "${{ secrets.REGISTRY_PASSWORD }}" \
+            | docker login "${{ env.REGISTRY_HOST }}" \
+                -u "${{ env.REGISTRY_USERNAME }}" \
+                --password-stdin
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and Push Multi-Arch Image
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          context: Mindforge.API
+          platforms: linux/amd64,linux/arm64
+          tags: |
+            ${{ env.IMAGE_API }}:latest
+
+  deploy_mindforge_api:
+    name: Deploy Mindforge API (internal)
+    runs-on: ubuntu-amd64
+    needs: build_mindforge_api
+    steps:
+      - name: Check KUBE_CONFIG validity
+        run: |
+          if [ -z "${KUBE_CONFIG}" ] || [ "${KUBE_CONFIG}" = "" ] || [ "${KUBE_CONFIG// }" = "" ]; then
+            echo "KUBE_CONFIG is not set or is empty."
+            exit 1
+          fi
+
+      - name: Check out repository
+        uses: actions/checkout@v2
+
+      - name: Download and install dependencies
+        run: |
+          apt-get update -y
+          apt-get install -y curl
+          curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
+          install -m 0755 kubectl /usr/local/bin/kubectl
+          kubectl version --client
+
+      - name: Set up kubeconfig
+        run: |
+          cd Mindforge.API/deploy
+          echo "$KUBE_CONFIG" > kubeconfig.yaml
+        env:
+          KUBE_CONFIG: ${{ env.KUBE_CONFIG }}
+
+      - name: Check connection to cluster
+        run: |
+          cd Mindforge.API/deploy
+          kubectl --kubeconfig=kubeconfig.yaml cluster-info
+
+      - name: Apply mindforge-api deployment
+        run: |
+          cd Mindforge.API/deploy
+          kubectl --kubeconfig=kubeconfig.yaml apply -f mindforge-api.yaml
+
+      - name: Rollout restart
+        run: |
+          cd Mindforge.API/deploy
+          kubectl --kubeconfig=kubeconfig.yaml rollout restart deployment mindforge-api -n mindforge

.gitea/workflows/mindforge-web.yaml

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+name: Mindforge Web Build and Deploy (internal)
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "Mindforge.Web/**"
+      - ".gitea/workflows/**"
+  workflow_dispatch: {}
+
+env:
+  REGISTRY_HOST: git.ivanch.me
+  REGISTRY_USERNAME: ivanch
+  IMAGE_WEB: ${{ env.REGISTRY_HOST }}/ivanch/mindforge-web
+  KUBE_CONFIG: ${{ secrets.KUBE_CONFIG }}
+  VITE_API_BASE_URL: http://api.mindforge.haven
+
+jobs:
+  build_mindforge_web:
+    name: Build Mindforge Web Image
+    runs-on: ubuntu-22.04
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v2
+
+      - name: Log in to Container Registry
+        run: |
+          echo "${{ secrets.REGISTRY_PASSWORD }}" \
+            | docker login "${{ env.REGISTRY_HOST }}" \
+                -u "${{ env.REGISTRY_USERNAME }}" \
+                --password-stdin
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and Push Multi-Arch Image
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          context: Mindforge.Web
+          platforms: linux/amd64,linux/arm64
+          build-args: |
+            VITE_API_BASE_URL=${{ env.VITE_API_BASE_URL }}
+          tags: |
+            ${{ env.IMAGE_WEB }}:latest
+
+  deploy_mindforge_web:
+    name: Deploy Mindforge Web (internal)
+    runs-on: ubuntu-amd64
+    needs: build_mindforge_web
+    steps:
+      - name: Check KUBE_CONFIG validity
+        run: |
+          if [ -z "${KUBE_CONFIG}" ] || [ "${KUBE_CONFIG}" = "" ] || [ "${KUBE_CONFIG// }" = "" ]; then
+            echo "KUBE_CONFIG is not set or is empty."
+            exit 1
+          fi
+
+      - name: Check out repository
+        uses: actions/checkout@v2
+
+      - name: Download and install dependencies
+        run: |
+          apt-get update -y
+          apt-get install -y curl
+          curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
+          install -m 0755 kubectl /usr/local/bin/kubectl
+          kubectl version --client
+
+      - name: Set up kubeconfig
+        run: |
+          cd Mindforge.Web/deploy
+          echo "$KUBE_CONFIG" > kubeconfig.yaml
+        env:
+          KUBE_CONFIG: ${{ env.KUBE_CONFIG }}
+
+      - name: Check connection to cluster
+        run: |
+          cd Mindforge.Web/deploy
+          kubectl --kubeconfig=kubeconfig.yaml cluster-info
+
+      - name: Apply mindforge-web deployment
+        run: |
+          cd Mindforge.Web/deploy
+          kubectl --kubeconfig=kubeconfig.yaml apply -f mindforge-web.yaml
+
+      - name: Rollout restart
+        run: |
+          cd Mindforge.Web/deploy
+          kubectl --kubeconfig=kubeconfig.yaml rollout restart deployment mindforge-web -n mindforge

.gitignore

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+.claude/
+_bmad*

Mindforge.API/.dockerignore

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+**/.git
+**/.github
+**/.claude
+**/.gitea
+**/bin
+**/obj
+**/.cache
+**/.vs
+**/.vscode
+node_modules
+appsettings.Development.json

Mindforge.API/.gitignore

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+bin
+obj
+appsettings.Development.json

Mindforge.API/Controllers/FileController.cs

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+using System;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Mindforge.API.Exceptions;
+using Mindforge.API.Models.Requests;
+using Mindforge.API.Services.Interfaces;
+
+namespace Mindforge.API.Controllers
+{
+    [ApiController]
+    [Route("api/v1/file")]
+    public class FileController : ControllerBase
+    {
+        private readonly IFileService _fileService;
+
+        public FileController(IFileService fileService)
+        {
+            _fileService = fileService;
+        }
+
+        [HttpPost("check")]
+        public async Task<IActionResult> CheckFile([FromBody] FileCheckRequest request)
+        {
+            if (string.IsNullOrWhiteSpace(request.FileContent) || string.IsNullOrWhiteSpace(request.CheckType))
+            {
+                throw new UserException("FileContent and CheckType are required.");
+            }
+
+            try
+            {
+                var base64Bytes = Convert.FromBase64String(request.FileContent);
+                request.FileContent = System.Text.Encoding.UTF8.GetString(base64Bytes);
+            }
+            catch (FormatException)
+            {
+                throw new UserException("FileContent must be a valid base64 string.");
+            }
+
+            var response = await _fileService.CheckFileAsync(request);
+            return Ok(new { result = response });
+        }
+    }
+}

Mindforge.API/Controllers/FlashcardController.cs

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+using System;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Mindforge.API.Exceptions;
+using Mindforge.API.Models.Requests;
+using Mindforge.API.Services.Interfaces;
+
+namespace Mindforge.API.Controllers
+{
+    [ApiController]
+    [Route("api/v1/flashcard")]
+    public class FlashcardController : ControllerBase
+    {
+        private readonly IFlashcardService _flashcardService;
+
+        public FlashcardController(IFlashcardService flashcardService)
+        {
+            _flashcardService = flashcardService;
+        }
+
+        [HttpPost("generate")]
+        public async Task<IActionResult> Generate([FromBody] FlashcardGenerateRequest request)
+        {
+            if (string.IsNullOrWhiteSpace(request.FileContent) || request.Amount <= 0)
+            {
+                throw new UserException("FileContent is required and Amount must be greater than 0.");
+            }
+
+            try
+            {
+                var base64Bytes = Convert.FromBase64String(request.FileContent);
+                request.FileContent = System.Text.Encoding.UTF8.GetString(base64Bytes);
+            }
+            catch (FormatException)
+            {
+                throw new UserException("FileContent must be a valid base64 string.");
+            }
+
+            var response = await _flashcardService.GenerateFlashcardsAsync(request);
+            return Ok(new { result = response });
+        }
+    }
+}

Mindforge.API/Controllers/RepositoryController.cs

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+using Microsoft.AspNetCore.Mvc;
+using Mindforge.API.Services.Interfaces;
+
+namespace Mindforge.API.Controllers
+{
+    [ApiController]
+    [Route("api/v1/repository")]
+    public class RepositoryController : ControllerBase
+    {
+        private readonly IGiteaService _giteaService;
+
+        public RepositoryController(IGiteaService giteaService)
+        {
+            _giteaService = giteaService;
+        }
+
+        [HttpGet("info")]
+        public IActionResult GetInfo()
+        {
+            return Ok(new { name = _giteaService.GetRepositoryName() });
+        }
+
+        [HttpGet("tree")]
+        public async Task<IActionResult> GetTree()
+        {
+            var tree = await _giteaService.GetFileTreeAsync();
+            return Ok(tree);
+        }
+
+        [HttpGet("file")]
+        public async Task<IActionResult> GetFile([FromQuery] string path)
+        {
+            if (string.IsNullOrWhiteSpace(path))
+                return BadRequest(new { error = "path query parameter is required." });
+
+            var content = await _giteaService.GetFileContentAsync(path);
+            return Ok(new { path, content });
+        }
+    }
+}

Mindforge.API/Dockerfile

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+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:9.0-alpine AS builder
+
+ARG TARGETARCH
+ARG TARGETOS
+
+WORKDIR /app
+COPY Mindforge.API.csproj ./
+RUN dotnet restore -a $TARGETARCH
+COPY . .
+RUN dotnet publish -c Release -a $TARGETARCH --no-restore -o /app/publish
+
+FROM mcr.microsoft.com/dotnet/aspnet:9.0-alpine
+WORKDIR /app
+COPY --from=builder /app/publish .
+
+ENV ASPNETCORE_URLS=http://+:8080
+ENV OPENAI_API_KEY=""
+ENV GEMINI_API_KEY=""
+
+EXPOSE 8080
+ENTRYPOINT ["dotnet", "Mindforge.API.dll"]

Mindforge.API/Exceptions/UserException.cs

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+using System;
+
+namespace Mindforge.API.Exceptions
+{
+    public class UserException : Exception
+    {
+        public UserException(string message) : base(message)
+        {
+        }
+    }
+}

Mindforge.API/Middlewares/ExceptionHandlingMiddleware.cs

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+using System;
+using System.Text.Json;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using Mindforge.API.Exceptions;
+
+namespace Mindforge.API.Middlewares
+{
+    public class ExceptionHandlingMiddleware
+    {
+        private readonly RequestDelegate _next;
+        private readonly ILogger<ExceptionHandlingMiddleware> _logger;
+
+        public ExceptionHandlingMiddleware(RequestDelegate next, ILogger<ExceptionHandlingMiddleware> logger)
+        {
+            _next = next;
+            _logger = logger;
+        }
+
+        public async Task InvokeAsync(HttpContext context)
+        {
+            try
+            {
+                await _next(context);
+            }
+            catch (UserException ex)
+            {
+                _logger.LogWarning(ex, "User error");
+                await HandleExceptionAsync(context, StatusCodes.Status400BadRequest, ex.Message);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Internal server error");
+                await HandleExceptionAsync(context, StatusCodes.Status500InternalServerError, $"Internal server error: {ex.Message}");
+            }
+        }
+
+        private static Task HandleExceptionAsync(HttpContext context, int statusCode, string message)
+        {
+            context.Response.ContentType = "application/json";
+            context.Response.StatusCode = statusCode;
+
+            var result = JsonSerializer.Serialize(new { error = message });
+            return context.Response.WriteAsync(result);
+        }
+    }
+}

Mindforge.API/Mindforge.API.csproj

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+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.12" />
+  </ItemGroup>
+
+</Project>

Mindforge.API/Mindforge.API.http

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+@Mindforge.API_HostAddress = http://localhost:5123
+
+GET {{Mindforge.API_HostAddress}}/weatherforecast/
+Accept: application/json
+
+###

Mindforge.API/Models/FileTreeNode.cs

@@ -0,0 +1,10 @@
+namespace Mindforge.API.Models
+{
+    public class FileTreeNode
+    {
+        public string Name { get; set; } = "";
+        public string Path { get; set; } = "";
+        public string Type { get; set; } = ""; // "file" | "folder"
+        public List<FileTreeNode>? Children { get; set; }
+    }
+}

Mindforge.API/Models/Requests/FileCheckRequest.cs

@@ -0,0 +1,13 @@
+namespace Mindforge.API.Models.Requests
+{
+    public class FileCheckRequest
+    {
+        public string FileContent { get; set; } = string.Empty;
+        public string FileName { get; set; } = string.Empty;
+
+        /// <summary>
+        /// Expected values: "language" or "content"
+        /// </summary>
+        public string CheckType { get; set; } = string.Empty;
+    }
+}

Mindforge.API/Models/Requests/FlashcardGenerateRequest.cs

@@ -0,0 +1,21 @@
+using System.Text.Json.Serialization;
+
+namespace Mindforge.API.Models.Requests
+{
+    public class FlashcardGenerateRequest
+    {
+        public string FileContent { get; set; } = string.Empty;
+        public string FileName { get; set; } = string.Empty;
+        public int Amount { get; set; }
+        [JsonConverter(typeof(JsonStringEnumConverter))]
+        public FlashcardMode? Mode { get; set; } = FlashcardMode.Simple;
+    }
+
+    public enum FlashcardMode
+    {
+        Basic,
+        Simple,
+        Detailed,
+        Hyper
+    }
+}

Mindforge.API/Program.cs

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+using Microsoft.AspNetCore.Builder;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Mindforge.API.Providers;
+using Mindforge.API.Services;
+using Mindforge.API.Services.Interfaces;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Ensure environment variables are loaded into IConfiguration
+builder.Configuration.AddEnvironmentVariables();
+
+// Add services to the container.
+builder.Services.AddControllers();
+builder.Logging.AddConsole();
+builder.Logging.AddDebug();
+
+// Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
+builder.Services.AddOpenApi();
+
+// Configure CORS
+builder.Services.AddCors(options =>
+{
+    options.AddPolicy("AllowAll", policy =>
+    {
+        policy.AllowAnyOrigin()
+              .AllowAnyMethod()
+              .AllowAnyHeader();
+    });
+});
+
+// Register HttpClient for providers
+builder.Services.AddHttpClient();
+
+// Register Providers
+builder.Services.AddScoped<ILlmApiProvider, OpenAIApiProvider>();
+
+// Register Services
+builder.Services.AddScoped<IAgentService, AgentService>();
+builder.Services.AddScoped<IFileService, FileService>();
+builder.Services.AddScoped<IFlashcardService, FlashcardService>();
+builder.Services.AddScoped<IGiteaService, GiteaService>();
+
+var app = builder.Build();
+
+app.UseCors("AllowAll");
+
+app.UseMiddleware<Mindforge.API.Middlewares.ExceptionHandlingMiddleware>();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.MapOpenApi();
+}
+
+app.UseHttpsRedirection();
+app.UseAuthorization();
+app.MapControllers();
+
+// Check for env vars
+var openAiApiUrl = builder.Configuration["OPENAI_API_URL"];
+var openAiToken = builder.Configuration["OPENAI_TOKEN"];
+var openAiModel = builder.Configuration["OPENAI_MODEL"];
+
+if (string.IsNullOrEmpty(openAiApiUrl))
+    app.Logger.LogWarning("OPENAI_API_URL not found in configuration.");
+
+if (string.IsNullOrEmpty(openAiToken))
+    app.Logger.LogWarning("OPENAI_TOKEN not found in configuration.");
+
+if (string.IsNullOrEmpty(openAiModel))
+    app.Logger.LogWarning("OPENAI_MODEL not found in configuration.");
+
+var giteaRepoUrl = builder.Configuration["GITEA_REPO_URL"];
+var giteaAccessToken = builder.Configuration["GITEA_ACCESS_TOKEN"];
+
+if (string.IsNullOrEmpty(giteaRepoUrl))
+    app.Logger.LogWarning("GITEA_REPO_URL not found in configuration. Repository features will not work.");
+
+if (string.IsNullOrEmpty(giteaAccessToken))
+    app.Logger.LogWarning("GITEA_ACCESS_TOKEN not found in configuration. Repository features will not work.");
+
+app.Run();

Mindforge.API/Properties/launchSettings.json

@@ -0,0 +1,23 @@
+{
+  "$schema": "https://json.schemastore.org/launchsettings.json",
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "http://localhost:5123",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "https://localhost:7116;http://localhost:5123",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

Mindforge.API/Providers/ILlmApiProvider.cs

@@ -0,0 +1,9 @@
+using System.Threading.Tasks;
+
+namespace Mindforge.API.Providers
+{
+    public interface ILlmApiProvider
+    {
+        Task<string> SendRequestAsync(string systemPrompt, string userPrompt);
+    }
+}

Mindforge.API/Providers/OpenAIApiProvider.cs

@@ -0,0 +1,94 @@
+using System;
+using System.Net.Http;
+using System.Net.Http.Headers;
+using System.Text;
+using System.Text.Json;
+using System.Threading.Tasks;
+using Microsoft.Extensions.Configuration;
+
+namespace Mindforge.API.Providers
+{
+    public class OpenAIApiProvider : ILlmApiProvider
+    {
+        private readonly HttpClient _httpClient;
+        private readonly IConfiguration _configuration;
+        private readonly ILogger<OpenAIApiProvider> _logger;
+
+        public OpenAIApiProvider(HttpClient httpClient, IConfiguration configuration, ILogger<OpenAIApiProvider> logger)
+        {
+            _httpClient = httpClient;
+            _httpClient.Timeout = TimeSpan.FromMinutes(5);
+            _configuration = configuration;
+            _logger = logger;
+        }
+
+        public async Task<string> SendRequestAsync(string systemPrompt, string userPrompt)
+        {
+            var apiUrl = _configuration["OPENAI_API_URL"];
+            if (string.IsNullOrEmpty(apiUrl))
+                throw new Exception("OPENAI_API_URL not found in configuration.");
+
+            var token = _configuration["OPENAI_TOKEN"];
+            if (string.IsNullOrEmpty(token))
+                throw new Exception("OPENAI_TOKEN not found in configuration.");
+
+            var model = _configuration["OPENAI_MODEL"];
+            if (string.IsNullOrEmpty(model))
+                throw new Exception("OPENAI_MODEL not found in configuration.");
+
+            var url = $"{apiUrl.TrimEnd('/')}/chat/completions";
+
+            var reqBody = new
+            {
+                model = model,
+                messages = new[]
+                {
+                    new { role = "system", content = systemPrompt },
+                    new { role = "user", content = userPrompt }
+                }
+            };
+
+            var jsonBody = JsonSerializer.Serialize(reqBody);
+
+            Exception? lastErr = null;
+
+            for (int i = 0; i < 5; i++)
+            {
+                using var request = new HttpRequestMessage(HttpMethod.Post, url);
+                request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", token);
+                request.Content = new StringContent(jsonBody, Encoding.UTF8, "application/json");
+
+                try
+                {
+                    var response = await _httpClient.SendAsync(request);
+                    var responseBody = await response.Content.ReadAsStringAsync();
+
+                    if (!response.IsSuccessStatusCode)
+                    {
+                        lastErr = new Exception($"API error status {(int)response.StatusCode}: {responseBody}");
+                        await Task.Delay(TimeSpan.FromSeconds(1 << i));
+                        continue;
+                    }
+
+                    var result = JsonSerializer.Deserialize<JsonElement>(responseBody);
+                    if (result.TryGetProperty("choices", out var choices) && choices.GetArrayLength() > 0)
+                    {
+                        var message = choices[0].GetProperty("message");
+                        return message.GetProperty("content").GetString() ?? string.Empty;
+                    }
+
+                    _logger.LogWarning("API raw response: {responseBody}", responseBody);
+                    throw new Exception("Empty response from API.");
+                }
+                catch (Exception ex)
+                {
+                    _logger.LogError(ex, "Error in API request");
+                    lastErr = ex;
+                    await Task.Delay(TimeSpan.FromSeconds(1 << i));
+                }
+            }
+
+            throw new Exception($"Failed to get response after 5 attempts. Last error: {lastErr?.Message}", lastErr);
+        }
+    }
+}

Mindforge.API/Services/AgentService.cs

@@ -0,0 +1,21 @@
+using System.Threading.Tasks;
+using Mindforge.API.Providers;
+using Mindforge.API.Services.Interfaces;
+
+namespace Mindforge.API.Services
+{
+    public class AgentService : IAgentService
+    {
+        private readonly ILlmApiProvider _provider;
+
+        public AgentService(ILlmApiProvider provider)
+        {
+            _provider = provider;
+        }
+
+        public Task<string> ProcessRequestAsync(string systemPrompt, string userPrompt)
+        {
+            return _provider.SendRequestAsync(systemPrompt, userPrompt);
+        }
+    }
+}

Mindforge.API/Services/FileService.cs

@@ -0,0 +1,56 @@
+using System.Threading.Tasks;
+using Mindforge.API.Models.Requests;
+using Mindforge.API.Services.Interfaces;
+using Mindforge.API.Exceptions;
+
+namespace Mindforge.API.Services
+{
+    public class FileService : IFileService
+    {
+        private readonly IAgentService _agentService;
+
+        public FileService(IAgentService agentService)
+        {
+            _agentService = agentService;
+        }
+
+        public async Task<string> CheckFileAsync(FileCheckRequest request)
+        {
+            string systemPrompt;
+
+            if (request.CheckType.ToLower() == "language")
+            {
+                systemPrompt = $@"Você é um revisor de textos sênior e especialista em língua portuguesa do Brasil.
+Sua tarefa é analisar o texto fornecido e corrigir rigorosamente todos os erros gramaticais, de concordância, pontuação, garantindo clareza, coesão e fluidez.
+Por favor, siga esta estrutura:
+1. Retorne o texto completamente revisado e polido.
+2. Não adicione nenhum texto adicional, apenas o texto revisado.
+3. Não altere o sentido do texto, mantenha a mesma ideia. Apenas corrija os erros gramaticais, de concordância e pontuação.
+Responda única e exclusivamente em português do Brasil.
+Foque em textos de concursos públicos, principalmente para a banca Cebraspe.";
+            }
+            else if (request.CheckType.ToLower() == "content")
+            {
+                systemPrompt = $@"Você é um analista de conteúdo experiente, especializado em revisão crítica e verificação de fatos.
+Sua tarefa é realizar uma análise rigorosa do texto fornecido, identificando erros lógicos, imprecisões de conteúdo, contradições internas e inconsistências argumentativas.
+Por favor, siga esta estrutura:
+1. Destaque cada problema encontrado no texto original.
+2. Explique detalhadamente por que é um erro ou inconsistência.
+3. Apresente sugestões claras e embasadas para reescrever ou corrigir os trechos problemáticos, melhorando a coerência e a lógica e a clareza do conteúdo.
+Responda única e exclusivamente em português do Brasil e mantenha um tom analítico e construtivo.
+
+Responda em tópicos para ser apresentados ao usuário, sendo sucinto e não extremamente detalhado.
+Os resumos serão utilizados para concursos públicos, principalmente para a banca Cebraspe.
+";
+            }
+            else
+            {
+                throw new UserException("Tipo de verificação inválido. Use 'language' ou 'content'.");
+            }
+
+            string userPrompt = $"Arquivo: {request.FileName}\nConteúdo:\n{request.FileContent}";
+
+            return await _agentService.ProcessRequestAsync(systemPrompt, userPrompt);
+        }
+    }
+}

Mindforge.API/Services/FlashcardService.cs

@@ -0,0 +1,65 @@
+using System.Threading.Tasks;
+using Mindforge.API.Models.Requests;
+using Mindforge.API.Services.Interfaces;
+
+namespace Mindforge.API.Services
+{
+    public class FlashcardService : IFlashcardService
+    {
+        private readonly IAgentService _agentService;
+        private readonly ILogger<FlashcardService> _logger;
+
+        public FlashcardService(IAgentService agentService, ILogger<FlashcardService> logger)
+        {
+            _agentService = agentService;
+            _logger = logger;
+        }
+
+        public async Task<string> GenerateFlashcardsAsync(FlashcardGenerateRequest request)
+        {
+            var extraPrompt = request.Mode switch
+            {
+                FlashcardMode.Detailed => "Crie flashcards mais detalhados.",
+                FlashcardMode.Hyper => "Adicione também pequenas questões para fixação, para que o usuário possa testar seus conhecimentos. As questões devem ser curtas e objetivas, como se fosse cobradas em prova mesmo.",
+                _ => ""
+            };
+
+            string systemPrompt = $@"Você é um assistente educacional especializado em criar flashcards para o Anki.
+Baseado no texto fornecido, crie exatamente {request.Amount} flashcards que focam nos conceitos mais importantes e difíceis.
+A resposta FINAL deve ser APENAS no formato CSV, pronto para importação no Anki, sem nenhum texto adicional antes ou depois.
+O formato CSV deve ter duas colunas: a frente da carta (pergunta/conceito) e o verso (resposta/explicação). Use ponto e vírgula (;) como separador. Não adicione o cabeçalho.
+As perguntas e respostas devem estar estritamente em Português do Brasil.
+
+Exemplo de saída:
+""Qual é a capital do Brasil?"";""Brasília""
+""Qual é a maior cidade do Brasil?"";""São Paulo""
+
+Com base no arquivo fornecido, crie exatamente {request.Amount} flashcards que focam nos conceitos mais importantes e difíceis.
+{extraPrompt}
+";
+
+            string userPrompt = $"Arquivo: {request.FileName}\nConteúdo:\n{request.FileContent}";
+
+            var result = await _agentService.ProcessRequestAsync(systemPrompt, userPrompt);
+
+            var lines = result.Split('\n');
+
+            if (lines.Length == 0)
+            {
+                throw new Exception("Nenhum flashcard gerado.");
+            }
+
+            if (lines.Length > request.Amount)
+            {
+                _logger.LogWarning("Quantidade de flashcards excede o limite.");
+            }
+
+            if (lines.Length < request.Amount)
+            {
+                _logger.LogWarning("Quantidade de flashcards abaixo do limite.");
+            }
+
+            return result;
+        }
+    }
+}

Mindforge.API/Services/GiteaService.cs

@@ -0,0 +1,165 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using Microsoft.Extensions.Configuration;
+using Mindforge.API.Exceptions;
+using Mindforge.API.Models;
+using Mindforge.API.Services.Interfaces;
+
+namespace Mindforge.API.Services
+{
+    public class GiteaService : IGiteaService
+    {
+        private readonly HttpClient _httpClient;
+        private readonly string _baseUrl;
+        private readonly string _owner;
+        private readonly string _repo;
+        private readonly string _token;
+
+        private static readonly JsonSerializerOptions JsonOptions = new()
+        {
+            PropertyNameCaseInsensitive = true
+        };
+
+        public GiteaService(HttpClient httpClient, IConfiguration configuration)
+        {
+            _httpClient = httpClient;
+
+            var repoUrl = configuration["GITEA_REPO_URL"];
+            if (string.IsNullOrEmpty(repoUrl))
+                throw new InvalidOperationException("GITEA_REPO_URL is not set in configuration.");
+
+            _token = configuration["GITEA_ACCESS_TOKEN"]
+                ?? throw new InvalidOperationException("GITEA_ACCESS_TOKEN is not set in configuration.");
+
+            // Parse: https://host/owner/repo or https://host/owner/repo.git
+            var normalizedUrl = repoUrl.TrimEnd('/').TrimEnd(".git".ToCharArray());
+            var uri = new Uri(normalizedUrl);
+            _baseUrl = $"{uri.Scheme}://{uri.Host}{(uri.IsDefaultPort ? "" : $":{uri.Port}")}";
+            var parts = uri.AbsolutePath.Trim('/').Split('/');
+            _owner = parts[0];
+            _repo = parts[1];
+        }
+
+        public string GetRepositoryName() => _repo;
+
+        public async Task<List<FileTreeNode>> GetFileTreeAsync()
+        {
+            // Get the master branch to obtain the latest commit SHA
+            var branchJson = await GetApiAsync($"/api/v1/repos/{_owner}/{_repo}/branches/master");
+            var branch = JsonSerializer.Deserialize<GiteaBranch>(branchJson, JsonOptions)
+                ?? throw new InvalidOperationException("Failed to parse branch response from Gitea.");
+
+            var treeSha = branch.Commit.Id;
+
+            // Fetch the full recursive tree
+            var treeJson = await GetApiAsync($"/api/v1/repos/{_owner}/{_repo}/git/trees/{treeSha}?recursive=true");
+            var treeResponse = JsonSerializer.Deserialize<GiteaTreeResponse>(treeJson, JsonOptions)
+                ?? throw new InvalidOperationException("Failed to parse tree response from Gitea.");
+
+            return BuildTree(treeResponse.Tree);
+        }
+
+        public async Task<string> GetFileContentAsync(string path)
+        {
+            var request = new HttpRequestMessage(HttpMethod.Get,
+                $"{_baseUrl}/api/v1/repos/{_owner}/{_repo}/raw/{path}?ref=master");
+            request.Headers.Add("Authorization", $"token {_token}");
+
+            var response = await _httpClient.SendAsync(request);
+            if (response.StatusCode == System.Net.HttpStatusCode.NotFound)
+                throw new UserException($"File not found in repository: {path}");
+
+            response.EnsureSuccessStatusCode();
+            return await response.Content.ReadAsStringAsync();
+        }
+
+        private async Task<string> GetApiAsync(string endpoint)
+        {
+            var request = new HttpRequestMessage(HttpMethod.Get, $"{_baseUrl}{endpoint}");
+            request.Headers.Add("Authorization", $"token {_token}");
+            var response = await _httpClient.SendAsync(request);
+            response.EnsureSuccessStatusCode();
+            return await response.Content.ReadAsStringAsync();
+        }
+
+        private static List<FileTreeNode> BuildTree(List<GiteaTreeItem> items)
+        {
+            var root = new List<FileTreeNode>();
+            var folderMap = new Dictionary<string, FileTreeNode>();
+
+            // Only include .md files and their parent folders
+            var mdFiles = items.Where(i => i.Type == "blob" && i.Path.EndsWith(".md")).ToList();
+            var neededFolders = new HashSet<string>();
+            foreach (var file in mdFiles)
+            {
+                var dir = System.IO.Path.GetDirectoryName(file.Path)?.Replace('\\', '/');
+                while (!string.IsNullOrEmpty(dir))
+                {
+                    neededFolders.Add(dir);
+                    dir = System.IO.Path.GetDirectoryName(dir)?.Replace('\\', '/');
+                }
+            }
+
+            // Create folder nodes
+            foreach (var item in items.Where(i => i.Type == "tree" && neededFolders.Contains(i.Path)).OrderBy(i => i.Path))
+            {
+                var node = new FileTreeNode
+                {
+                    Name = System.IO.Path.GetFileName(item.Path),
+                    Path = item.Path,
+                    Type = "folder",
+                    Children = []
+                };
+                folderMap[item.Path] = node;
+            }
+
+            // Place file and folder nodes into parent
+            var allNodes = mdFiles.Select(i => new FileTreeNode
+            {
+                Name = System.IO.Path.GetFileName(i.Path),
+                Path = i.Path,
+                Type = "file"
+            }).Concat(folderMap.Values).OrderBy(n => n.Path);
+
+            foreach (var node in allNodes)
+            {
+                var parentPath = System.IO.Path.GetDirectoryName(node.Path)?.Replace('\\', '/');
+                if (string.IsNullOrEmpty(parentPath))
+                    root.Add(node);
+                else if (folderMap.TryGetValue(parentPath, out var parent))
+                    parent.Children!.Add(node);
+            }
+
+            return root;
+        }
+
+        // ---- Gitea API DTOs ----
+
+        private class GiteaBranch
+        {
+            [JsonPropertyName("commit")]
+            public GiteaCommit Commit { get; set; } = new();
+        }
+
+        private class GiteaCommit
+        {
+            [JsonPropertyName("id")]
+            public string Id { get; set; } = "";
+        }
+
+        private class GiteaTreeResponse
+        {
+            [JsonPropertyName("tree")]
+            public List<GiteaTreeItem> Tree { get; set; } = [];
+        }
+
+        private class GiteaTreeItem
+        {
+            [JsonPropertyName("path")]
+            public string Path { get; set; } = "";
+
+            [JsonPropertyName("type")]
+            public string Type { get; set; } = ""; // "blob" | "tree"
+        }
+    }
+}

Mindforge.API/Services/Interfaces/IAgentService.cs

@@ -0,0 +1,9 @@
+using System.Threading.Tasks;
+
+namespace Mindforge.API.Services.Interfaces
+{
+    public interface IAgentService
+    {
+        Task<string> ProcessRequestAsync(string systemPrompt, string userPrompt);
+    }
+}

Mindforge.API/Services/Interfaces/IFileService.cs

@@ -0,0 +1,10 @@
+using System.Threading.Tasks;
+using Mindforge.API.Models.Requests;
+
+namespace Mindforge.API.Services.Interfaces
+{
+    public interface IFileService
+    {
+        Task<string> CheckFileAsync(FileCheckRequest request);
+    }
+}

Mindforge.API/Services/Interfaces/IFlashcardService.cs

@@ -0,0 +1,10 @@
+using System.Threading.Tasks;
+using Mindforge.API.Models.Requests;
+
+namespace Mindforge.API.Services.Interfaces
+{
+    public interface IFlashcardService
+    {
+        Task<string> GenerateFlashcardsAsync(FlashcardGenerateRequest request);
+    }
+}

Mindforge.API/Services/Interfaces/IGiteaService.cs

@@ -0,0 +1,11 @@
+using Mindforge.API.Models;
+
+namespace Mindforge.API.Services.Interfaces
+{
+    public interface IGiteaService
+    {
+        Task<List<FileTreeNode>> GetFileTreeAsync();
+        Task<string> GetFileContentAsync(string path);
+        string GetRepositoryName();
+    }
+}

Mindforge.API/appsettings.json

@@ -0,0 +1,14 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*",
+  "OPENAI_API_URL": "https://openrouter.ai/api/v1",
+  "OPENAI_TOKEN": "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",
+  "OPENAI_MODEL": "openai/gpt-5.4-mini",
+  "GITEA_REPO_URL": "",
+  "GITEA_ACCESS_TOKEN": ""
+}

Mindforge.API/deploy/mindforge-api.yaml

@@ -0,0 +1,81 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: mindforge-api
+  namespace: mindforge
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: mindforge-api
+  template:
+    metadata:
+      labels:
+        app: mindforge-api
+    spec:
+      containers:
+        - name: mindforge-api
+          image: git.ivanch.me/ivanch/mindforge-api:latest
+          imagePullPolicy: Always
+          ports:
+            - containerPort: 8080
+          env:
+            - name: OPENAI_TOKEN
+              valueFrom:
+                secretKeyRef:
+                  name: mindforge-secrets
+                  key: OPENAI_TOKEN
+            - name: OPENAI_API_URL
+              value: https://openrouter.ai/api/v1
+            - name: OPENAI_MODEL
+              value: openai/gpt-5.4-mini
+            - name: GITEA_REPO_URL
+              valueFrom:
+                secretKeyRef:
+                  name: mindforge-secrets
+                  key: GITEA_REPO_URL
+            - name: GITEA_ACCESS_TOKEN
+              valueFrom:
+                secretKeyRef:
+                  name: mindforge-secrets
+                  key: GITEA_ACCESS_TOKEN
+          resources:
+            requests:
+              memory: "128Mi"
+              cpu: "250m"
+            limits:
+              memory: "512Mi"
+              cpu: "1"
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: mindforge-api
+  namespace: mindforge
+spec:
+  selector:
+    app: mindforge-api
+  ports:
+    - port: 80
+      targetPort: 8080
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: mindforge-api
+  namespace: mindforge
+  labels:
+    app.kubernetes.io/name: mindforge-api
+spec:
+  ingressClassName: nginx
+  rules:
+    - host: "api.mindforge.haven"
+      http:
+        paths:
+          - path: "/"
+            pathType: Prefix
+            backend:
+              service:
+                name: mindforge-api
+                port:
+                  number: 80

Mindforge.Web/.dockerignore

@@ -0,0 +1,11 @@
+**/.git
+**/.github
+**/.claude
+**/.gitea
+**/bin
+**/obj
+**/.cache
+**/.vs
+**/.vscode
+node_modules
+appsettings.Development.json

Mindforge.Web/.env

@@ -0,0 +1 @@
+VITE_API_BASE_URL=http://localhost:5123

Mindforge.Web/.env.dev

@@ -0,0 +1 @@
+VITE_API_BASE_URL=http://localhost:5123

Mindforge.Web/.gitignore

@@ -0,0 +1,24 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?

Mindforge.Web/Dockerfile

@@ -0,0 +1,15 @@
+FROM node:22-alpine AS builder
+
+ARG VITE_API_BASE_URL
+ENV VITE_API_BASE_URL=${VITE_API_BASE_URL}
+
+WORKDIR /app
+COPY package.json package-lock.json ./
+RUN npm ci
+COPY . .
+RUN npm run build
+
+FROM nginx:alpine
+COPY --from=builder /app/dist /usr/share/nginx/html
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]

Mindforge.Web/deploy/mindforge-web.yaml

@@ -0,0 +1,61 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: mindforge-web
+  namespace: mindforge
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: mindforge-web
+  template:
+    metadata:
+      labels:
+        app: mindforge-web
+    spec:
+      containers:
+        - name: mindforge-web
+          image: git.ivanch.me/ivanch/mindforge-web:latest
+          imagePullPolicy: Always
+          ports:
+            - containerPort: 80
+          resources:
+            requests:
+              memory: "32Mi"
+              cpu: "100m"
+            limits:
+              memory: "128Mi"
+              cpu: "250m"
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: mindforge-web
+  namespace: mindforge
+spec:
+  selector:
+    app: mindforge-web
+  ports:
+    - port: 80
+      targetPort: 80
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: mindforge-web
+  namespace: mindforge
+  labels:
+    app.kubernetes.io/name: mindforge-web
+spec:
+  ingressClassName: nginx
+  rules:
+    - host: "mindforge.haven"
+      http:
+        paths:
+          - path: "/"
+            pathType: Prefix
+            backend:
+              service:
+                name: mindforge-web
+                port:
+                  number: 80

Mindforge.Web/index.html

@@ -0,0 +1,16 @@
+<!doctype html>
+<html lang="en">
+
+<head>
+  <meta charset="UTF-8" />
+  <link rel="icon" type="image/svg+xml" href="/favicon.ico" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <title>Mindforge</title>
+</head>
+
+<body>
+  <div id="app"></div>
+  <script type="module" src="/src/main.tsx"></script>
+</body>
+
+</html>

Mindforge.Web/package.json

@@ -0,0 +1,24 @@
+{
+  "name": "mindforge-web",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc -b && vite build",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "@types/marked": "^5.0.2",
+    "diff": "^8.0.3",
+    "marked": "^17.0.4",
+    "preact": "^10.29.0"
+  },
+  "devDependencies": {
+    "@preact/preset-vite": "^2.10.4",
+    "@types/diff": "^7.0.2",
+    "@types/node": "^24.12.0",
+    "typescript": "~5.9.3",
+    "vite": "^8.0.1"
+  }
+}

Mindforge.Web/src/app.css

@@ -0,0 +1,62 @@
+.home-hero {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  animation: fadeIn 0.8s ease-out;
+}
+
+.hero-title {
+  font-size: 4rem;
+  font-weight: 700;
+  text-transform: uppercase;
+  letter-spacing: 2px;
+  margin-bottom: 1rem;
+  text-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
+  background: linear-gradient(90deg, #f4f5f5, #00b4d8);
+  -webkit-background-clip: text;
+  background-clip: text;
+  -webkit-text-fill-color: transparent;
+}
+
+.hero-subtitle {
+  font-size: 1.5rem;
+  color: rgba(244, 245, 245, 0.8);
+  font-weight: 300;
+  letter-spacing: 1px;
+}
+
+.module-content {
+  width: 100%;
+  max-width: 800px;
+  margin: 0 auto;
+  animation: slideUp 0.5s ease-out;
+}
+
+.subtitle {
+  font-size: 1.2rem;
+  color: rgba(244, 245, 245, 0.8);
+  margin-bottom: 2rem;
+}
+
+.placeholder-box {
+  background: rgba(255, 255, 255, 0.05);
+  border: 1px dashed rgba(255, 255, 255, 0.2);
+  border-radius: 12px;
+  padding: 4rem 2rem;
+  font-size: 1.5rem;
+  color: rgba(244, 245, 245, 0.5);
+  text-align: center;
+  backdrop-filter: blur(4px);
+  -webkit-backdrop-filter: blur(4px);
+}
+
+@keyframes fadeIn {
+  from { opacity: 0; }
+  to { opacity: 1; }
+}
+
+@keyframes slideUp {
+  from { opacity: 0; transform: translateY(20px); }
+  to { opacity: 1; transform: translateY(0); }
+}

Mindforge.Web/src/app.tsx

@@ -0,0 +1,34 @@
+import { useState } from 'preact/hooks';
+import './app.css';
+import { Header } from './components/Header';
+import { Sidebar } from './components/Sidebar';
+import { VerificadorComponent } from './components/VerificadorComponent';
+import { FlashcardComponent } from './components/FlashcardComponent';
+
+export function App() {
+  const [activeModule, setActiveModule] = useState<'home' | 'verificador' | 'flashcards'>('home');
+
+  return (
+    <>
+      <Header onGoHome={() => setActiveModule('home')} />
+      <div class="main-layout">
+        <Sidebar activeModule={activeModule} onModuleChange={setActiveModule} />
+        <main class="content-area">
+          <div style={{ display: activeModule === 'home' || !activeModule ? 'block' : 'none' }}>
+            <div class="home-hero">
+              <img src="/assets/mindforge-banner.png" alt="Mindforge Banner" style={{ maxWidth: '100%', height: 'auto', marginBottom: '2rem', borderRadius: '12px', boxShadow: '0 4px 15px rgba(0,0,0,0.5)', zIndex: -10 }} />
+              <h1 class="hero-title">Mindforge! - STAY HARD!</h1>
+              <p class="hero-subtitle">Sua ferramenta de forja mental e estudos.</p>
+            </div>
+          </div>
+          <div style={{ display: activeModule === 'verificador' ? 'block' : 'none', height: '100%', width: '100%' }}>
+            <VerificadorComponent />
+          </div>
+          <div style={{ display: activeModule === 'flashcards' ? 'block' : 'none', height: '100%', width: '100%' }}>
+            <FlashcardComponent />
+          </div>
+        </main>
+      </div>
+    </>
+  );
+}

Mindforge.Web/src/components/Button.css

@@ -0,0 +1,41 @@
+.btn {
+  font-family: var(--font-main);
+  font-weight: 700;
+  font-size: 1rem;
+  padding: 0.8rem 1.5rem;
+  border-radius: 8px;
+  border: none;
+  cursor: pointer;
+  outline: none;
+  transition: all 0.3s ease;
+  backdrop-filter: blur(8px);
+  -webkit-backdrop-filter: blur(8px);
+  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
+  letter-spacing: 0.5px;
+}
+
+.btn-primary {
+  background: rgba(255, 255, 255, 0.1);
+  color: var(--color-text-creamy);
+  border: 1px solid rgba(255, 255, 255, 0.2);
+}
+
+.btn-primary:hover {
+  background: rgba(255, 255, 255, 0.2);
+  transform: translateY(-2px);
+  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
+}
+
+.btn-primary:active {
+  transform: translateY(0);
+}
+
+.btn-secondary {
+  background: transparent;
+  color: var(--color-text-creamy);
+  border: 1px solid rgba(255, 255, 255, 0.1);
+}
+
+.btn-secondary:hover {
+  background: rgba(255, 255, 255, 0.05);
+}

Mindforge.Web/src/components/Button.tsx

@@ -0,0 +1,22 @@
+import type { ComponentChildren } from 'preact';
+import './Button.css';
+
+interface ButtonProps extends preact.JSX.HTMLAttributes<HTMLButtonElement> {
+  children: ComponentChildren;
+  variant?: 'primary' | 'secondary';
+  className?: string;
+  onClick?: (e?: any) => any;
+  disabled?: boolean;
+  style?: any;
+}
+
+export function Button({ children, variant = 'primary', className = '', ...props }: ButtonProps) {
+  return (
+    <button 
+      className={`btn btn-${variant} ${className}`}
+      {...props}
+    >
+      {children}
+    </button>
+  );
+}

Mindforge.Web/src/components/FileTreeComponent.css

@@ -0,0 +1,89 @@
+.file-tree {
+  background: rgba(255, 255, 255, 0.04);
+  border: 1px solid rgba(255, 255, 255, 0.1);
+  border-radius: 8px;
+  padding: 0.75rem;
+  max-height: 380px;
+  overflow-y: auto;
+  font-size: 0.9rem;
+}
+
+.tree-folder {
+  margin-bottom: 2px;
+}
+
+.tree-folder-header {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  padding: 4px 6px;
+  border-radius: 4px;
+  cursor: pointer;
+  user-select: none;
+  color: rgba(255, 255, 255, 0.85);
+  font-weight: 600;
+}
+
+.tree-folder-header:hover {
+  background: rgba(255, 255, 255, 0.07);
+}
+
+.tree-folder-arrow {
+  font-size: 0.75rem;
+  color: rgba(255, 255, 255, 0.5);
+  width: 12px;
+}
+
+.tree-folder-name {
+  color: rgba(255, 255, 255, 0.85);
+}
+
+.tree-folder-children {
+  padding-left: 18px;
+  border-left: 1px solid rgba(255, 255, 255, 0.08);
+  margin-left: 6px;
+}
+
+.tree-file {
+  margin-bottom: 1px;
+}
+
+.tree-file-label {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 4px 6px;
+  border-radius: 4px;
+  cursor: pointer;
+  color: rgba(255, 255, 255, 0.7);
+}
+
+.tree-file-label:hover {
+  background: rgba(255, 255, 255, 0.06);
+  color: rgba(255, 255, 255, 0.9);
+}
+
+.tree-file-label input[type="checkbox"] {
+  accent-color: #7c6fcd;
+  width: 14px;
+  height: 14px;
+  cursor: pointer;
+  flex-shrink: 0;
+}
+
+.tree-file-name {
+  font-size: 0.875rem;
+}
+
+.tree-loading,
+.tree-error,
+.tree-empty {
+  padding: 1rem;
+  color: rgba(255, 255, 255, 0.5);
+  font-size: 0.9rem;
+  text-align: center;
+}
+
+.tree-error {
+  color: #ff7b72;
+}

Mindforge.Web/src/components/FileTreeComponent.tsx

@@ -0,0 +1,82 @@
+import { useState, useEffect } from 'preact/hooks';
+import { MindforgeApiService, type FileTreeNode } from '../services/MindforgeApiService';
+import './FileTreeComponent.css';
+
+interface FileTreeComponentProps {
+  selectedPaths: string[];
+  onSelectionChange: (paths: string[]) => void;
+}
+
+interface FolderNodeProps {
+  node: FileTreeNode;
+  selectedPaths: string[];
+  onToggle: (path: string) => void;
+}
+
+function FolderNode({ node, selectedPaths, onToggle }: FolderNodeProps) {
+  const [expanded, setExpanded] = useState(true);
+
+  if (node.type === 'file') {
+    return (
+      <div className="tree-file">
+        <label className="tree-file-label">
+          <input
+            type="checkbox"
+            checked={selectedPaths.includes(node.path)}
+            onChange={() => onToggle(node.path)}
+          />
+          <span className="tree-file-name">{node.name}</span>
+        </label>
+      </div>
+    );
+  }
+
+  return (
+    <div className="tree-folder">
+      <div className="tree-folder-header" onClick={() => setExpanded(e => !e)}>
+        <span className="tree-folder-arrow">{expanded ? '▾' : '▸'}</span>
+        <span className="tree-folder-name">{node.name}</span>
+      </div>
+      {expanded && node.children && (
+        <div className="tree-folder-children">
+          {node.children.map(child => (
+            <FolderNode key={child.path} node={child} selectedPaths={selectedPaths} onToggle={onToggle} />
+          ))}
+        </div>
+      )}
+    </div>
+  );
+}
+
+export function FileTreeComponent({ selectedPaths, onSelectionChange }: FileTreeComponentProps) {
+  const [tree, setTree] = useState<FileTreeNode[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+
+  useEffect(() => {
+    MindforgeApiService.getRepositoryTree()
+      .then(setTree)
+      .catch(err => setError(err.message))
+      .finally(() => setLoading(false));
+  }, []);
+
+  const togglePath = (path: string) => {
+    if (selectedPaths.includes(path)) {
+      onSelectionChange(selectedPaths.filter(p => p !== path));
+    } else {
+      onSelectionChange([...selectedPaths, path]);
+    }
+  };
+
+  if (loading) return <div className="tree-loading">Carregando repositório...</div>;
+  if (error) return <div className="tree-error">Erro ao carregar repositório: {error}</div>;
+  if (tree.length === 0) return <div className="tree-empty">Nenhum arquivo encontrado no repositório.</div>;
+
+  return (
+    <div className="file-tree">
+      {tree.map(node => (
+        <FolderNode key={node.path} node={node} selectedPaths={selectedPaths} onToggle={togglePath} />
+      ))}
+    </div>
+  );
+}

Mindforge.Web/src/components/FlashcardComponent.css

@@ -0,0 +1,207 @@
+.flashcard-container {
+  width: 100%;
+  max-width: 800px;
+  margin: 0 auto;
+  animation: slideUp 0.5s ease-out;
+  display: flex;
+  flex-direction: column;
+  gap: 1.5rem;
+}
+
+.flashcard-form {
+  display: flex;
+  flex-direction: column;
+  gap: 1.2rem;
+  background: rgba(255, 255, 255, 0.05);
+  padding: 2rem;
+  border-radius: 12px;
+  border: 1px solid rgba(255, 255, 255, 0.1);
+}
+
+.input-group {
+  display: flex;
+  flex-direction: column;
+  gap: 0.8rem;
+  text-align: left;
+}
+
+.input-group label {
+  font-weight: 700;
+  color: var(--color-text-creamy);
+}
+
+.text-area {
+  width: 100%;
+  min-height: 200px;
+  background: rgba(0, 0, 0, 0.2);
+  border: 1px solid rgba(255, 255, 255, 0.2);
+  border-radius: 8px;
+  padding: 1rem;
+  color: var(--color-text-creamy);
+  font-family: inherit;
+  font-size: 1rem;
+  resize: vertical;
+}
+
+.text-area:focus {
+  outline: none;
+  border-color: var(--color-accent);
+}
+
+.file-input-wrapper {
+  display: flex;
+  align-items: center;
+  gap: 1rem;
+}
+
+.file-input {
+  display: none;
+}
+
+.file-input-label {
+  background: var(--color-sidebar);
+  color: var(--color-text-creamy);
+  padding: 0.6rem 1.2rem;
+  border-radius: 6px;
+  cursor: pointer;
+  border: 1px solid rgba(255, 255, 255, 0.2);
+  transition: all 0.2s ease;
+}
+
+.file-input-label:hover {
+  background: rgba(255, 255, 255, 0.1);
+  border-color: var(--color-accent);
+}
+
+.slider-wrapper {
+  display: flex;
+  align-items: center;
+  gap: 1rem;
+}
+
+.slider-input {
+  flex: 1;
+  -webkit-appearance: none;
+  appearance: none;
+  width: 100%;
+  height: 8px;
+  background: rgba(0, 0, 0, 0.3);
+  border-radius: 4px;
+  outline: none;
+}
+
+.slider-input::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  appearance: none;
+  width: 20px;
+  height: 20px;
+  border-radius: 50%;
+  background: var(--color-accent);
+  cursor: pointer;
+  transition: transform 0.1s;
+}
+
+.slider-input::-webkit-slider-thumb:hover {
+  transform: scale(1.2);
+}
+
+.amount-display {
+  font-weight: 700;
+  color: var(--color-accent);
+  min-width: 40px;
+  text-align: right;
+  font-size: 1.1rem;
+}
+
+/* Spinner */
+.spinner-container {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: 3rem 0;
+  gap: 1rem;
+}
+
+.spinner {
+  width: 50px;
+  height: 50px;
+  border: 4px solid rgba(255, 255, 255, 0.1);
+  border-left-color: var(--color-accent);
+  border-radius: 50%;
+  animation: spin 1s linear infinite;
+}
+
+@keyframes spin {
+  0% { transform: rotate(0deg); }
+  100% { transform: rotate(360deg); }
+}
+
+.success-message {
+  color: #7ee787;
+  text-align: center;
+  font-weight: 700;
+  margin-top: 1rem;
+  animation: fadeIn 0.5s ease-out;
+}
+
+.radio-group {
+  display: flex;
+  flex-wrap: wrap;
+  background: rgba(0, 0, 0, 0.3);
+  padding: 4px;
+  border-radius: 12px;
+  border: 1px solid rgba(255, 255, 255, 0.1);
+  width: fit-content;
+  overflow: hidden;
+  gap: 4px;
+}
+
+.radio-item {
+  position: relative;
+  flex: 1;
+  min-width: 100px;
+}
+
+.radio-item input[type="radio"] {
+  position: absolute;
+  opacity: 0;
+  width: 0;
+  height: 0;
+}
+
+.radio-label {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 0.8rem 1.2rem;
+  cursor: pointer;
+  border-radius: 8px;
+  font-size: 0.95rem;
+  font-weight: 600;
+  color: rgba(255, 255, 255, 0.6);
+  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+  white-space: nowrap;
+}
+
+.radio-item input[type="radio"]:checked + .radio-label {
+  background: var(--color-accent);
+  color: #000;
+  box-shadow: 0 4px 12px rgba(var(--color-accent-rgb), 0.3);
+}
+
+.radio-item:hover .radio-label:not(.radio-item input[type="radio"]:checked + .radio-label) {
+  background: rgba(255, 255, 255, 0.05);
+  color: #fff;
+}
+
+/* Animations for selection */
+.radio-item input[type="radio"]:checked + .radio-label {
+  animation: selectBounce 0.3s ease-out;
+}
+
+@keyframes selectBounce {
+  0% { transform: scale(0.95); }
+  50% { transform: scale(1.02); }
+  100% { transform: scale(1); }
+}

Mindforge.Web/src/components/FlashcardComponent.tsx

@@ -0,0 +1,183 @@
+import { useState } from 'preact/hooks';
+import { MindforgeApiService, type FlashcardMode } from '../services/MindforgeApiService';
+import { FileTreeComponent } from './FileTreeComponent';
+import { Button } from './Button';
+import './FlashcardComponent.css';
+
+// Mapping of flashcard mode to its maximum allowed amount
+const modeMax: Record<FlashcardMode, number> = {
+  Basic: 25,
+  Simple: 30,
+  Detailed: 70,
+  Hyper: 130,
+};
+
+function utf8ToBase64(str: string): string {
+  const bytes = new TextEncoder().encode(str);
+  const binary = Array.from(bytes, byte => String.fromCharCode(byte)).join('');
+  return window.btoa(binary);
+}
+
+export function FlashcardComponent() {
+  const [selectedPaths, setSelectedPaths] = useState<string[]>([]);
+  const [amount, setAmount] = useState<number>(20);
+  const [mode, setMode] = useState<FlashcardMode>('Simple');
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+  const [success, setSuccess] = useState<boolean>(false);
+
+  const handleModeChange = (newMode: FlashcardMode) => {
+    setMode(newMode);
+    setAmount(20);
+  };
+
+  const handleGenerate = async () => {
+    if (selectedPaths.length === 0) {
+      setError('Selecione pelo menos um arquivo do repositório para gerar os flashcards.');
+      return;
+    }
+
+    setLoading(true);
+    setError(null);
+    setSuccess(false);
+
+    try {
+      // Fetch all selected files and merge their content
+      const fileContents = await Promise.all(
+        selectedPaths.map(path => MindforgeApiService.getFileContent(path))
+      );
+
+      const mergedContent = fileContents.map(f => f.content).join('\n\n---\n\n');
+      const mergedFileName = selectedPaths.length === 1
+        ? (selectedPaths[0].split('/').pop() ?? 'merged.md')
+        : 'merged.md';
+
+      const base64Content = utf8ToBase64(mergedContent);
+      const res = await MindforgeApiService.generateFlashcards({
+        fileContent: base64Content,
+        fileName: mergedFileName,
+        amount,
+        mode,
+      });
+
+      downloadCSV(res.result);
+      setSuccess(true);
+    } catch (err: any) {
+      setError(err.message || 'Ocorreu um erro ao gerar os flashcards.');
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const downloadCSV = (content: string) => {
+    const bom = new Uint8Array([0xEF, 0xBB, 0xBF]);
+    const blob = new Blob([bom, content], { type: 'text/csv;charset=utf-8;' });
+    const url = URL.createObjectURL(blob);
+    const link = document.createElement('a');
+    link.href = url;
+    link.setAttribute('download', `flashcards_${Date.now()}.csv`);
+    document.body.appendChild(link);
+    link.click();
+    document.body.removeChild(link);
+    URL.revokeObjectURL(url);
+  };
+
+  return (
+    <div className="flashcard-container">
+      <h2 className="title" style={{ fontSize: '2.5rem' }}>Gerador de Flashcards</h2>
+      <p className="subtitle">Selecione os arquivos do repositório para gerar flashcards. Múltiplos arquivos serão combinados.</p>
+
+      <div className="flashcard-form">
+        <div className="input-group">
+          <label>Arquivos do Repositório</label>
+          <FileTreeComponent selectedPaths={selectedPaths} onSelectionChange={setSelectedPaths} />
+          {selectedPaths.length > 0 && (
+            <div style={{ fontSize: '0.85rem', color: 'rgba(255,255,255,0.5)', marginTop: '0.4rem' }}>
+              {selectedPaths.length} arquivo{selectedPaths.length !== 1 ? 's' : ''} selecionado{selectedPaths.length !== 1 ? 's' : ''}
+              {selectedPaths.length > 1 ? ' — conteúdo será combinado' : ''}
+            </div>
+          )}
+        </div>
+
+        <div className="input-group">
+          <label>Quantidade Estimada de Flashcards (10 - {modeMax[mode]})</label>
+          <div className="slider-wrapper">
+            <input
+              type="range"
+              className="slider-input"
+              min="10"
+              max={modeMax[mode]}
+              value={amount}
+              onInput={(e) => setAmount(parseInt((e.target as HTMLInputElement).value))}
+            />
+            <span className="amount-display">{amount}</span>
+          </div>
+        </div>
+
+        <div className="input-group">
+          <label>Modo de Geração</label>
+          <div className="radio-group">
+            <div className="radio-item">
+              <input
+                type="radio"
+                id="mode-basic"
+                name="mode"
+                value="Basic"
+                checked={mode === 'Basic'}
+                onChange={(e) => handleModeChange((e.target as HTMLInputElement).value as FlashcardMode)}
+              />
+              <label htmlFor="mode-basic" className="radio-label" title="Modo básico, rápido e simples. Geralmente conteúdos simples e repetíveis">Básico</label>
+            </div>
+            <div className="radio-item">
+              <input
+                type="radio"
+                id="mode-simple"
+                name="mode"
+                value="Simple"
+                checked={mode === 'Simple'}
+                onChange={(e) => handleModeChange((e.target as HTMLInputElement).value as FlashcardMode)}
+              />
+              <label htmlFor="mode-simple" className="radio-label" title="Modo rápido e simples, possui uma melhor compreensão">Simples</label>
+            </div>
+            <div className="radio-item">
+              <input
+                type="radio"
+                id="mode-detailed"
+                name="mode"
+                value="Detailed"
+                checked={mode === 'Detailed'}
+                onChange={(e) => handleModeChange((e.target as HTMLInputElement).value as FlashcardMode)}
+              />
+              <label htmlFor="mode-detailed" className="radio-label" title="Modelo avançado, maior gama de detalhes">Detalhado</label>
+            </div>
+            <div className="radio-item">
+              <input
+                type="radio"
+                id="mode-hyper"
+                name="mode"
+                value="Hyper"
+                checked={mode === 'Hyper'}
+                onChange={(e) => handleModeChange((e.target as HTMLInputElement).value as FlashcardMode)}
+              />
+              <label htmlFor="mode-hyper" className="radio-label" title="Modelo Pro, complexo e com perguntas adicionais">Hiper</label>
+            </div>
+          </div>
+        </div>
+
+        <Button variant="primary" onClick={handleGenerate} disabled={loading} style={{ marginTop: '1rem' }}>
+          {loading ? 'Gerando...' : 'Gerar Flashcards e Baixar (CSV)'}
+        </Button>
+
+        {error && <div style={{ color: '#ff7b72', marginTop: '1rem' }}>{error}</div>}
+        {success && <div className="success-message">Flashcards gerados com sucesso! O download deve ter começado.</div>}
+      </div>
+
+      {loading && (
+        <div className="spinner-container">
+          <div className="spinner"></div>
+          <p>Extraindo os melhores conceitos para os seus flashcards. Aguarde...</p>
+        </div>
+      )}
+    </div>
+  );
+}

Mindforge.Web/src/components/Header.css

@@ -0,0 +1,61 @@
+.header {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  height: 70px;
+  background-color: var(--color-header);
+  /* Imposing black with glassy effect */
+  background: rgba(15, 15, 15, 0.85);
+  backdrop-filter: blur(12px);
+  -webkit-backdrop-filter: blur(12px);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1000;
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
+  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
+}
+
+.header-content {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  width: 100%;
+  position: relative;
+}
+
+.header-repo {
+  position: absolute;
+  right: 24px;
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  background: rgba(255, 255, 255, 0.06);
+  border: 1px solid rgba(255, 255, 255, 0.1);
+  border-radius: 6px;
+  padding: 4px 10px;
+}
+
+.header-repo-icon {
+  font-size: 0.9rem;
+  color: rgba(255, 255, 255, 0.5);
+}
+
+.header-repo-name {
+  font-size: 0.8rem;
+  color: rgba(255, 255, 255, 0.65);
+  font-family: var(--font-main);
+  letter-spacing: 0.5px;
+}
+
+.header-title {
+  color: var(--color-text-creamy);
+  font-family: var(--font-main);
+  font-size: 1.8rem;
+  font-weight: 700;
+  letter-spacing: 2px;
+  text-transform: uppercase;
+  margin: 0;
+  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
+}

Mindforge.Web/src/components/Header.tsx

@@ -0,0 +1,34 @@
+import { useState, useEffect } from 'preact/hooks';
+import { MindforgeApiService } from '../services/MindforgeApiService';
+import './Header.css';
+
+interface HeaderProps {
+  onGoHome?: () => void;
+}
+
+export function Header({ onGoHome }: HeaderProps) {
+  const [repoName, setRepoName] = useState<string | null>(null);
+
+  useEffect(() => {
+    MindforgeApiService.getRepositoryInfo()
+      .then(info => setRepoName(info.name))
+      .catch(() => setRepoName(null));
+  }, []);
+
+  return (
+    <header class="header">
+      <div class="header-content">
+        <div style={{ display: 'flex', alignItems: 'center', cursor: 'pointer' }} onClick={onGoHome}>
+          <img src="/assets/mindforge.png" alt="Mindforge" width="55" height="55" style={{ marginRight: '10px' }} />
+          <h1 class="header-title">Mindforge</h1>
+        </div>
+        {repoName && (
+          <div class="header-repo">
+            <span class="header-repo-icon">⎇</span>
+            <span class="header-repo-name">{repoName}</span>
+          </div>
+        )}
+      </div>
+    </header>
+  );
+}

Mindforge.Web/src/components/Sidebar.css

@@ -0,0 +1,41 @@
+.sidebar {
+  width: 240px;
+  background-color: var(--color-sidebar);
+  border-right: 1px solid rgba(255, 255, 255, 0.05);
+  display: flex;
+  flex-direction: column;
+  padding: 2rem 1.5rem;
+  box-shadow: 4px 0 15px rgba(0, 0, 0, 0.2);
+  /* Ensure it fits cleanly below the header or is independent */
+  height: calc(100vh - 70px);
+  position: sticky;
+  top: 70px;
+}
+
+.sidebar-header {
+  margin-bottom: 2rem;
+}
+
+.sidebar-title {
+  color: rgba(244, 245, 245, 0.6);
+  font-size: 0.9rem;
+  text-transform: uppercase;
+  letter-spacing: 1.5px;
+  font-weight: 700;
+  margin: 0;
+}
+
+.sidebar-nav {
+  display: flex;
+  flex-direction: column;
+  gap: 1rem;
+}
+
+.sidebar-btn {
+  width: 100%;
+  text-align: left;
+  display: flex;
+  justify-content: flex-start;
+  padding: 1rem 1.2rem;
+  font-size: 1.05rem;
+}

Mindforge.Web/src/components/Sidebar.tsx

@@ -0,0 +1,33 @@
+import { Button } from './Button';
+import './Sidebar.css';
+
+interface SidebarProps {
+  onModuleChange: (module: 'home' | 'verificador' | 'flashcards') => void;
+  activeModule: 'home' | 'verificador' | 'flashcards';
+}
+
+export function Sidebar({ onModuleChange, activeModule }: SidebarProps) {
+  return (
+    <aside class="sidebar">
+      <div class="sidebar-header">
+        <h2 class="sidebar-title">Módulos</h2>
+      </div>
+      <div class="sidebar-nav">
+        <Button
+          variant={activeModule === 'verificador' ? 'primary' : 'secondary'}
+          onClick={() => onModuleChange('verificador')}
+          className="sidebar-btn"
+        >
+          Verificador
+        </Button>
+        <Button
+          variant={activeModule === 'flashcards' ? 'primary' : 'secondary'}
+          onClick={() => onModuleChange('flashcards')}
+          className="sidebar-btn"
+        >
+          Flashcards
+        </Button>
+      </div>
+    </aside>
+  );
+}

Mindforge.Web/src/components/VerificadorComponent.css

@@ -0,0 +1,199 @@
+.verificador-container {
+  width: 100%;
+  max-width: 1000px;
+  margin: 0 auto;
+  animation: slideUp 0.5s ease-out;
+  display: flex;
+  flex-direction: column;
+  gap: 1.5rem;
+}
+
+.file-result-block {
+  background: rgba(255, 255, 255, 0.03);
+  border: 1px solid rgba(255, 255, 255, 0.08);
+  border-radius: 10px;
+  padding: 1rem;
+  margin-bottom: 1rem;
+}
+
+.file-result-title {
+  font-size: 0.9rem;
+  font-weight: 600;
+  color: rgba(255, 255, 255, 0.6);
+  margin-bottom: 0.75rem;
+  padding-bottom: 0.5rem;
+  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
+  font-family: monospace;
+}
+
+.verificador-form {
+  display: flex;
+  flex-direction: column;
+  gap: 1.2rem;
+  background: rgba(255, 255, 255, 0.05);
+  padding: 2rem;
+  border-radius: 12px;
+  border: 1px solid rgba(255, 255, 255, 0.1);
+}
+
+.input-group {
+  display: flex;
+  flex-direction: column;
+  gap: 0.5rem;
+  text-align: left;
+}
+
+.input-group label {
+  font-weight: 700;
+  color: var(--color-text-creamy);
+}
+
+.text-area {
+  width: 100%;
+  min-height: 200px;
+  background: rgba(0, 0, 0, 0.2);
+  border: 1px solid rgba(255, 255, 255, 0.2);
+  border-radius: 8px;
+  padding: 1rem;
+  color: var(--color-text-creamy);
+  font-family: inherit;
+  font-size: 1rem;
+  resize: vertical;
+}
+
+.text-area:focus {
+  outline: none;
+  border-color: var(--color-accent);
+}
+
+.file-input-wrapper {
+  display: flex;
+  align-items: center;
+  gap: 1rem;
+}
+
+.file-input {
+  display: none;
+}
+
+.file-input-label {
+  background: var(--color-sidebar);
+  color: var(--color-text-creamy);
+  padding: 0.6rem 1.2rem;
+  border-radius: 6px;
+  cursor: pointer;
+  border: 1px solid rgba(255, 255, 255, 0.2);
+  transition: all 0.2s ease;
+}
+
+.file-input-label:hover {
+  background: rgba(255, 255, 255, 0.1);
+  border-color: var(--color-accent);
+}
+
+.select-input {
+  background: rgba(0, 0, 0, 0.2);
+  border: 1px solid rgba(255, 255, 255, 0.2);
+  color: var(--color-text-creamy);
+  padding: 0.8rem;
+  border-radius: 8px;
+  font-size: 1rem;
+  cursor: pointer;
+}
+
+.select-input:focus {
+  outline: none;
+  border-color: var(--color-accent);
+}
+
+.select-input option {
+  background: var(--color-bg);
+  color: var(--color-text-creamy);
+}
+
+/* Response Section */
+.response-section {
+  background: rgba(255, 255, 255, 0.05);
+  padding: 2rem;
+  border-radius: 12px;
+  border: 1px solid rgba(255, 255, 255, 0.1);
+  display: flex;
+  flex-direction: column;
+  gap: 1.5rem;
+}
+
+.response-content {
+  text-align: left;
+  white-space: pre-wrap;
+  background: rgba(0, 0, 0, 0.2);
+  padding: 1.5rem;
+  border-radius: 8px;
+  border: 1px solid rgba(255, 255, 255, 0.1);
+  font-family: monospace;
+  font-size: 0.95rem;
+  line-height: 1.5;
+  overflow-x: auto;
+}
+
+.diff-view {
+  display: flex;
+  flex-wrap: wrap;
+}
+
+.diff-added {
+  background-color: rgba(46, 160, 67, 0.3);
+  color: #7ee787;
+  border-radius: 3px;
+}
+
+.diff-removed {
+  background-color: rgba(248, 81, 73, 0.3);
+  color: #ff7b72;
+  text-decoration: line-through;
+  border-radius: 3px;
+}
+
+.side-by-side {
+  display: flex;
+  gap: 1rem;
+  width: 100%;
+}
+
+.side-pane {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  gap: 0.5rem;
+  min-width: 0;
+}
+
+.pane-title {
+  font-size: 1.1rem;
+  font-weight: 700;
+  text-align: center;
+  color: var(--color-accent);
+}
+
+/* Spinner */
+.spinner-container {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: 3rem 0;
+  gap: 1rem;
+}
+
+.spinner {
+  width: 50px;
+  height: 50px;
+  border: 4px solid rgba(255, 255, 255, 0.1);
+  border-left-color: var(--color-accent);
+  border-radius: 50%;
+  animation: spin 1s linear infinite;
+}
+
+@keyframes spin {
+  0% { transform: rotate(0deg); }
+  100% { transform: rotate(360deg); }
+}

Mindforge.Web/src/components/VerificadorComponent.tsx

@@ -0,0 +1,194 @@
+import { useState } from 'preact/hooks';
+import { MindforgeApiService } from '../services/MindforgeApiService';
+import { FileTreeComponent } from './FileTreeComponent';
+import { Button } from './Button';
+import * as diff from 'diff';
+import { marked } from 'marked';
+import './VerificadorComponent.css';
+
+function utf8ToBase64(str: string): string {
+  const bytes = new TextEncoder().encode(str);
+  const binary = Array.from(bytes, byte => String.fromCharCode(byte)).join('');
+  return window.btoa(binary);
+}
+
+type CheckTypeEnum = 'language' | 'content' | 'both';
+
+interface FileResult {
+  path: string;
+  fileName: string;
+  originalContent: string;
+  languageResult: string | null;
+  contentResult: string | null;
+  error: string | null;
+}
+
+export function VerificadorComponent() {
+  const [selectedPaths, setSelectedPaths] = useState<string[]>([]);
+  const [checkType, setCheckType] = useState<CheckTypeEnum>('language');
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+  const [results, setResults] = useState<FileResult[]>([]);
+
+  const handleSubmit = async () => {
+    if (selectedPaths.length === 0) {
+      setError('Selecione pelo menos um arquivo do repositório.');
+      return;
+    }
+
+    setLoading(true);
+    setError(null);
+    setResults([]);
+
+    try {
+      const fileResults = await Promise.all(
+        selectedPaths.map(async (path): Promise<FileResult> => {
+          const fileName = path.split('/').pop() ?? path;
+          try {
+            const { content } = await MindforgeApiService.getFileContent(path);
+            const base64Content = utf8ToBase64(content);
+
+            let languageResult: string | null = null;
+            let contentResult: string | null = null;
+
+            if (checkType === 'both') {
+              const [langRes, contRes] = await Promise.all([
+                MindforgeApiService.checkFile({ fileContent: base64Content, fileName, checkType: 'language' }),
+                MindforgeApiService.checkFile({ fileContent: base64Content, fileName, checkType: 'content' }),
+              ]);
+              languageResult = langRes.result;
+              contentResult = contRes.result;
+            } else {
+              const res = await MindforgeApiService.checkFile({ fileContent: base64Content, fileName, checkType });
+              if (checkType === 'language') languageResult = res.result;
+              else contentResult = res.result;
+            }
+
+            return { path, fileName, originalContent: content, languageResult, contentResult, error: null };
+          } catch (err: any) {
+            return { path, fileName, originalContent: '', languageResult: null, contentResult: null, error: err.message };
+          }
+        })
+      );
+
+      setResults(fileResults);
+    } catch (err: any) {
+      setError(err.message || 'Ocorreu um erro ao processar os arquivos.');
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const renderDiff = (original: string, updated: string) => {
+    const diffResult = diff.diffWordsWithSpace(original, updated);
+    return (
+      <div className="diff-view">
+        {diffResult.map((part, index) => {
+          const className = part.added ? 'diff-added' : part.removed ? 'diff-removed' : '';
+          return (
+            <span key={index} className={className}>
+              {part.value}
+            </span>
+          );
+        })}
+      </div>
+    );
+  };
+
+  return (
+    <div className="verificador-container">
+      <h2 className="title" style={{ fontSize: '2.5rem' }}>Verificador de Arquivos</h2>
+      <p className="subtitle">Selecione os arquivos do repositório para validação de linguagem ou conteúdo.</p>
+
+      <div className="verificador-form">
+        <div className="input-group">
+          <label>Arquivos do Repositório</label>
+          <FileTreeComponent selectedPaths={selectedPaths} onSelectionChange={setSelectedPaths} />
+          {selectedPaths.length > 0 && (
+            <div style={{ fontSize: '0.85rem', color: 'rgba(255,255,255,0.5)', marginTop: '0.4rem' }}>
+              {selectedPaths.length} arquivo{selectedPaths.length !== 1 ? 's' : ''} selecionado{selectedPaths.length !== 1 ? 's' : ''}
+            </div>
+          )}
+        </div>
+
+        <div className="input-group">
+          <label>Tipo de Verificação</label>
+          <select
+            className="select-input"
+            value={checkType}
+            onChange={(e) => setCheckType((e.target as HTMLSelectElement).value as CheckTypeEnum)}
+          >
+            <option value="language">Linguagem</option>
+            <option value="content">Conteúdo</option>
+            <option value="both">Linguagem e Conteúdo</option>
+          </select>
+        </div>
+
+        <Button variant="primary" onClick={handleSubmit} disabled={loading} style={{ marginTop: '1rem' }}>
+          {loading ? 'Processando...' : 'Verificar'}
+        </Button>
+
+        {error && <div style={{ color: '#ff7b72', marginTop: '1rem' }}>{error}</div>}
+      </div>
+
+      {loading && (
+        <div className="spinner-container">
+          <div className="spinner"></div>
+          <p>Analisando sua forja mental...</p>
+        </div>
+      )}
+
+      {!loading && results.length > 0 && (
+        <div className="response-section">
+          {results.map((fileResult) => (
+            <div key={fileResult.path} className="file-result-block">
+              <div className="file-result-title">{fileResult.fileName}</div>
+
+              {fileResult.error && (
+                <div style={{ color: '#ff7b72', padding: '0.5rem' }}>{fileResult.error}</div>
+              )}
+
+              {!fileResult.error && checkType === 'language' && fileResult.languageResult && (
+                <div className="side-pane">
+                  <div className="pane-title">Linguagem (Diff)</div>
+                  <div className="response-content">
+                    {renderDiff(fileResult.originalContent, fileResult.languageResult)}
+                  </div>
+                </div>
+              )}
+
+              {!fileResult.error && checkType === 'content' && fileResult.contentResult && (
+                <div className="side-pane">
+                  <div className="pane-title">Conteúdo</div>
+                  <div
+                    className="response-content markdown-body"
+                    dangerouslySetInnerHTML={{ __html: marked.parse(fileResult.contentResult) as string }}
+                  />
+                </div>
+              )}
+
+              {!fileResult.error && checkType === 'both' && fileResult.languageResult && fileResult.contentResult && (
+                <div className="side-by-side">
+                  <div className="side-pane">
+                    <div className="pane-title">Linguagem (Diff)</div>
+                    <div className="response-content" style={{ minHeight: '200px' }}>
+                      {renderDiff(fileResult.originalContent, fileResult.languageResult)}
+                    </div>
+                  </div>
+                  <div className="side-pane">
+                    <div className="pane-title">Conteúdo</div>
+                    <div
+                      className="response-content markdown-body"
+                      style={{ minHeight: '200px' }}
+                      dangerouslySetInnerHTML={{ __html: marked.parse(fileResult.contentResult) as string }}
+                    />
+                  </div>
+                </div>
+              )}
+            </div>
+          ))}
+        </div>
+      )}
+    </div>
+  );
+}

Mindforge.Web/src/index.css

@@ -0,0 +1,57 @@
+@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700&display=swap');
+
+:root {
+  --color-bg: #005873;
+  --color-header: #0f0f0f;
+  --color-sidebar: #013a4c;
+  --color-text-creamy: #f4f5f5;
+  --color-accent: #00b4d8;
+  --color-accent-rgb: 0, 180, 216;
+  --color-accent-hover: #0096c7;
+  
+  --font-main: 'Lato', sans-serif;
+}
+
+* {
+  box-sizing: border-box;
+  margin: 0;
+  padding: 0;
+}
+
+body {
+  font-family: var(--font-main);
+  background-color: var(--color-bg);
+  color: var(--color-text-creamy);
+  margin: 0;
+  min-height: 100vh;
+  -webkit-font-smoothing: antialiased;
+}
+
+#app {
+  display: flex;
+  flex-direction: column;
+  min-height: 100vh;
+}
+
+.main-layout {
+  display: flex;
+  flex: 1;
+  margin-top: 70px; /* offset for fixed header */
+}
+
+.content-area {
+  flex: 1;
+  padding: 2rem;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  text-align: center;
+}
+
+.title {
+  font-size: 3rem;
+  font-weight: 700;
+  margin-bottom: 2rem;
+  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
+}

Mindforge.Web/src/main.tsx

@@ -0,0 +1,5 @@
+import { render } from 'preact'
+import './index.css'
+import { App } from './app.tsx'
+
+render(<App />, document.getElementById('app')!)

Mindforge.Web/src/services/MindforgeApiService.ts

@@ -0,0 +1,90 @@
+const BASE_URL = import.meta.env.VITE_API_BASE_URL || 'http://localhost:5123';
+
+export interface FileTreeNode {
+  name: string;
+  path: string;
+  type: 'file' | 'folder';
+  children?: FileTreeNode[];
+}
+
+export interface RepositoryInfo {
+  name: string;
+}
+
+export interface FileContentResponse {
+  path: string;
+  content: string;
+}
+
+export interface CheckFileRequest {
+  fileContent: string;
+  fileName: string;
+  checkType: 'language' | 'content';
+}
+
+export interface CheckFileResponse {
+  result: string;
+}
+
+export interface GenerateFlashcardsRequest {
+  fileContent: string;
+  fileName: string;
+  amount: number;
+  mode: FlashcardMode;
+}
+
+export type FlashcardMode = 'Basic' | 'Simple' | 'Detailed' | 'Hyper';
+
+export interface GenerateFlashcardsResponse {
+  result: string;
+}
+
+export const MindforgeApiService = {
+  async checkFile(data: CheckFileRequest): Promise<CheckFileResponse> {
+    const response = await fetch(`${BASE_URL}/api/v1/file/check`, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify(data),
+    });
+
+    if (!response.ok) {
+      throw new Error(`Error checking file: ${response.statusText}`);
+    }
+    return response.json();
+  },
+
+  async generateFlashcards(data: GenerateFlashcardsRequest): Promise<GenerateFlashcardsResponse> {
+    const response = await fetch(`${BASE_URL}/api/v1/flashcard/generate`, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify(data),
+    });
+
+    if (!response.ok) {
+      throw new Error(`Error generating flashcards: ${response.statusText}`);
+    }
+    return response.json();
+  },
+
+  async getRepositoryInfo(): Promise<RepositoryInfo> {
+    const response = await fetch(`${BASE_URL}/api/v1/repository/info`);
+    if (!response.ok) throw new Error(`Error fetching repository info: ${response.statusText}`);
+    return response.json();
+  },
+
+  async getRepositoryTree(): Promise<FileTreeNode[]> {
+    const response = await fetch(`${BASE_URL}/api/v1/repository/tree`);
+    if (!response.ok) throw new Error(`Error fetching repository tree: ${response.statusText}`);
+    return response.json();
+  },
+
+  async getFileContent(path: string): Promise<FileContentResponse> {
+    const response = await fetch(`${BASE_URL}/api/v1/repository/file?path=${encodeURIComponent(path)}`);
+    if (!response.ok) throw new Error(`Error fetching file ${path}: ${response.statusText}`);
+    return response.json();
+  },
+};

Mindforge.Web/tsconfig.app.json

@@ -0,0 +1,33 @@
+{
+  "compilerOptions": {
+    "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
+    "target": "ES2023",
+    "useDefineForClassFields": true,
+    "module": "ESNext",
+    "lib": ["ES2023", "DOM", "DOM.Iterable"],
+    "types": ["vite/client"],
+    "skipLibCheck": true,
+    "paths": {
+      "react": ["./node_modules/preact/compat/"],
+      "react-dom": ["./node_modules/preact/compat/"]
+    },
+
+    /* Bundler mode */
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "moduleDetection": "force",
+    "noEmit": true,
+    "jsx": "react-jsx",
+    "jsxImportSource": "preact",
+
+    /* Linting */
+    "strict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "erasableSyntaxOnly": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedSideEffectImports": true
+  },
+  "include": ["src"]
+}

Mindforge.Web/tsconfig.json

@@ -0,0 +1,7 @@
+{
+  "files": [],
+  "references": [
+    { "path": "./tsconfig.app.json" },
+    { "path": "./tsconfig.node.json" }
+  ]
+}

Mindforge.Web/tsconfig.node.json

@@ -0,0 +1,26 @@
+{
+  "compilerOptions": {
+    "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.node.tsbuildinfo",
+    "target": "ES2023",
+    "lib": ["ES2023"],
+    "module": "ESNext",
+    "types": ["node"],
+    "skipLibCheck": true,
+
+    /* Bundler mode */
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "moduleDetection": "force",
+    "noEmit": true,
+
+    /* Linting */
+    "strict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "erasableSyntaxOnly": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedSideEffectImports": true
+  },
+  "include": ["vite.config.ts"]
+}

Mindforge.Web/vite.config.ts

@@ -0,0 +1,7 @@
+import { defineConfig } from 'vite'
+import preact from '@preact/preset-vite'
+
+// https://vite.dev/config/
+export default defineConfig({
+  plugins: [preact()],
+})

README.md

@@ -0,0 +1,3 @@
+## Mindforge Architecture
+
+This is a project that will be used to aid the user in making notes and studying for hard exams and tests.

mindforge.cronjob/.env.example

@@ -1,12 +1,9 @@
 GIT_REPOSITORY=https://git.url/user/repo.git
-OPENAI_API_KEY=openai_api_key
-GEMINI_API_KEY=gemini_api_key
 DISCORD_WEBHOOK_URL=discord_webhook_channel_url
 
-# LLM provider per agent function ("openai" or "gemini", defaults to "openai")
-SUMMARY_CREATOR_PROVIDER=gemini
-SUMMARY_FORMATTER_PROVIDER=openai
+# OpenAI-compatible provider (e.g. OpenRouter)
+OPENAI_API_URL=https://openrouter.ai/api/v1
+OPENAI_TOKEN=your_token_here
+OPENAI_MODEL=openai/gpt-5.4-mini
 
-# LLM models
-GEMINI_MODEL=gemini-3-flash-preview
-OPENAI_MODEL=gpt-5-mini
+TOP_N_FILES=10

mindforge.cronjob/cmd/mindforge.cronjob/main.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"strconv"
 
 	"github.com/joho/godotenv"
 	"mindforge.cronjob/internal/agent"
@@ -27,6 +28,14 @@ func main() {
 	// Initialize services
 	gitService := git.NewGitService()
 
+	// Resolve how many top files to return (TOP_N_FILES env var, default 10)
+	topN := 10
+	if v := os.Getenv("TOP_N_FILES"); v != "" {
+		if n, err := strconv.Atoi(v); err == nil && n > 0 {
+			topN = n
+		}
+	}
+
 	// Get modifications
 	var modifications map[string]string
 	error := gitService.FetchContents(gitRepo)
@@ -34,7 +43,15 @@ func main() {
 		log.Println("ERROR: Failed to fetch contents:", error)
 	}
 
-	modifications, error = gitService.GetModifications(7)
+	// Resolve how many days to look back (LAST_N_DAYS env var, default 7)
+	days := 7
+	if v := os.Getenv("LAST_N_DAYS"); v != "" {
+		if n, err := strconv.Atoi(v); err == nil && n > 0 {
+			days = n
+		}
+	}
+
+	modifications, error = gitService.GetModifications(days, topN)
 	if error != nil {
 		log.Println("ERROR: Failed to get modifications:", error)
 	}
@@ -42,7 +59,7 @@ func main() {
 	fmt.Printf("Found %d modifications\n", len(modifications))
 
 	for file, content := range modifications {
-		fmt.Printf("File: %s\n", file)
+		fmt.Printf("Processing file: %s\n", file)
 
 		raw_summary, err := agent.SummaryCreatorAgent(file, content)
 		if err != nil {

mindforge.cronjob/deploy/mindforge-cronjob.yaml

@@ -22,16 +22,15 @@ spec:
                     secretKeyRef:
                       name: mindforge-secrets
                       key: GIT_REPOSITORY
-                - name: GEMINI_API_KEY
+                - name: OPENAI_TOKEN
                   valueFrom:
                     secretKeyRef:
                       name: mindforge-secrets
-                      key: GEMINI_API_KEY
-                - name: OPENAI_API_KEY
-                  valueFrom:
-                    secretKeyRef:
-                      name: mindforge-secrets
-                      key: OPENAI_API_KEY
+                      key: OPENAI_TOKEN
+                - name: OPENAI_API_URL
+                  value: https://openrouter.ai/api/v1
+                - name: OPENAI_MODEL
+                  value: openai/gpt-5.4-mini
                 - name: DISCORD_WEBHOOK_URL
                   valueFrom:
                     secretKeyRef:
@@ -42,14 +41,10 @@ spec:
                     secretKeyRef:
                       name: mindforge-secrets
                       key: HAVEN_NOTIFY_URL
-                - name: SUMMARY_CREATOR_PROVIDER
-                  value: gemini
-                - name: SUMMARY_FORMATTER_PROVIDER
-                  value: openai
-                - name: GEMINI_MODEL
-                  value: gemini-3-flash-preview
-                - name: OPENAI_MODEL
-                  value: gpt-5-mini
+                - name: TOP_N_FILES
+                  value: "10"
+                - name: LAST_N_DAYS
+                  value: "7"
               resources:
                 requests:
                   memory: "256Mi"

mindforge.cronjob/internal/agent/agent.go

@@ -2,50 +2,11 @@ package agent
 
 import (
 	"fmt"
-	"os"
 	"path/filepath"
-	"strings"
 
 	"mindforge.cronjob/internal/llm"
 )
 
-// Provider represents the LLM provider to use.
-type Provider string
-
-const (
-	ProviderOpenAI Provider = "openai"
-	ProviderGemini Provider = "gemini"
-)
-
-// providerFromEnv reads the provider for a given agent from an env var,
-// defaulting to OpenAI if not set or unrecognised.
-func providerFromEnv(envKey string) Provider {
-	val := strings.ToLower(strings.TrimSpace(os.Getenv(envKey)))
-	if val == string(ProviderGemini) {
-		return ProviderGemini
-	}
-	return ProviderOpenAI
-}
-
-// send routes the request to the given LLM provider.
-func send(provider Provider, systemPrompt, userPrompt string) (string, error) {
-	llmService := llm.NewLLMService()
-	switch provider {
-	case ProviderGemini:
-		geminiModel := os.Getenv("GEMINI_MODEL")
-		if geminiModel == "" {
-			geminiModel = "gemini-3.1-flash-lite-preview"
-		}
-		return llmService.SendGeminiRequest(systemPrompt, userPrompt, geminiModel)
-	default:
-		openaiModel := os.Getenv("OPENAI_MODEL")
-		if openaiModel == "" {
-			openaiModel = "gpt-5-mini"
-		}
-		return llmService.SendOpenAIRequest(systemPrompt, userPrompt, openaiModel)
-	}
-}
-
 // SummaryCreatorAgent creates a summary of the git diff for a specific file.
 func SummaryCreatorAgent(filePath, gitDiff string) (string, error) {
 	fileName := filepath.Base(filePath)
@@ -66,7 +27,7 @@ Responda sempre em Português do Brasil (pt-BR).`
 
 	userPrompt := fmt.Sprintf("Caminho do arquivo: %s\nPasta (Assunto Principal): %s\nArquivo (Assunto Específico): %s\n\nGit Diff:\n%s", filePath, folderName, fileName, gitDiff)
 
-	return send(providerFromEnv("SUMMARY_CREATOR_PROVIDER"), systemPrompt, userPrompt)
+	return llm.NewLLMService().Send(systemPrompt, userPrompt)
 }
 
 // SummaryFormatterAgent formats a plain text summary into Markdown.
@@ -82,5 +43,5 @@ Regras de formatação:
 
 Responda sempre em Português do Brasil (pt-BR).`
 
-	return send(providerFromEnv("SUMMARY_FORMATTER_PROVIDER"), systemPrompt, summary)
+	return llm.NewLLMService().Send(systemPrompt, summary)
 }

mindforge.cronjob/internal/git/git.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
+	"sort"
 	"strings"
 	"time"
 )
@@ -13,7 +14,10 @@ import (
 type Service interface {
 	CheckConnection(url string) error
 	FetchContents(url string) error
-	GetModifications(days int) (map[string]string, error)
+	// GetModifications returns the diffs of the top-N most-changed files (by lines
+	// added/removed) modified within the last 'days' days. Files with 4 or fewer
+	// changed lines are always excluded. Pass topN <= 0 to return all qualifying files.
+	GetModifications(days int, topN int) (map[string]string, error)
 }
 
 type gitService struct {
@@ -85,7 +89,7 @@ func (s *gitService) FetchContents(url string) error {
 	return nil
 }
 
-func (s *gitService) GetModifications(days int) (map[string]string, error) {
+func (s *gitService) GetModifications(days int, topN int) (map[string]string, error) {
 	mods := make(map[string]string)
 
 	// Determine the commit to diff against (the latest commit *before* 'days' ago)
@@ -103,7 +107,7 @@ func (s *gitService) GetModifications(days int) (map[string]string, error) {
 	}
 
 	// Get the list of modified files between the base commit and HEAD
-	cmdFiles := exec.Command("git", "diff", "--name-only", baseCommit, "HEAD")
+	cmdFiles := exec.Command("git", "-c", "core.quotePath=false", "diff", "--name-only", baseCommit, "HEAD")
 	cmdFiles.Dir = s.repoDir
 	filesOut, err := cmdFiles.Output()
 	if err != nil {
@@ -112,6 +116,8 @@ func (s *gitService) GetModifications(days int) (map[string]string, error) {
 
 	files := strings.Split(strings.TrimSpace(string(filesOut)), "\n")
 	for _, file := range files {
+		fmt.Printf("Processing file: %s\n", file)
+
 		if file == "" {
 			continue
 		}
@@ -121,6 +127,11 @@ func (s *gitService) GetModifications(days int) (map[string]string, error) {
 			continue
 		}
 
+		// Skip files with "Conteúdos.md" in the path
+		if strings.Contains(file, "Conteúdos.md") {
+			continue
+		}
+
 		originalFile := file
 
 		// Remove first folder from file path
@@ -135,7 +146,7 @@ func (s *gitService) GetModifications(days int) (map[string]string, error) {
 			rangeStr = baseCommit + "..HEAD"
 		}
 
-		cmdDiff := exec.Command("git", "log", "-p", "-i", "--invert-grep", "--grep=refactor", rangeStr, "--", originalFile)
+		cmdDiff := exec.Command("git", "-c", "core.quotePath=false", "log", "-p", "-i", "--invert-grep", "--grep=refactor", rangeStr, "--", originalFile)
 		cmdDiff.Dir = s.repoDir
 		diffOut, err := cmdDiff.Output()
 		if err != nil {
@@ -147,5 +158,44 @@ func (s *gitService) GetModifications(days int) (map[string]string, error) {
 		}
 	}
 
-	return mods, nil
+	// Count the number of changed lines (additions + deletions) per file.
+	// Lines starting with '+' or '-' are changed lines; lines starting with '+++'
+	// or '---' are the diff file headers and must be excluded.
+	type fileScore struct {
+		name  string
+		score int
+	}
+	scores := make([]fileScore, 0, len(mods))
+	for name, diff := range mods {
+		count := 0
+		for _, line := range strings.Split(diff, "\n") {
+			if (strings.HasPrefix(line, "+") || strings.HasPrefix(line, "-")) &&
+				!strings.HasPrefix(line, "++") && !strings.HasPrefix(line, "--") {
+				count++
+			}
+		}
+		// Ignore files with 4 or fewer lines changed
+		if count <= 4 {
+			fmt.Printf("Ignoring file %s: %d lines changed\n", name, count)
+			continue
+		}
+		scores = append(scores, fileScore{name: name, score: count})
+	}
+
+	// Sort descending by number of changed lines
+	sort.Slice(scores, func(i, j int) bool {
+		return scores[i].score > scores[j].score
+	})
+
+	// Keep only the top-N entries (if topN <= 0, keep all qualifying files)
+	if topN > 0 && len(scores) > topN {
+		scores = scores[:topN]
+	}
+
+	result := make(map[string]string, len(scores))
+	for _, fs := range scores {
+		result[fs.name] = mods[fs.name]
+	}
+
+	return result, nil
 }

mindforge.cronjob/internal/llm/gemini.go

@@ -1,86 +0,0 @@
-package llm
-
-import (
-	"bytes"
-	"encoding/json"
-	"errors"
-	"fmt"
-	"io"
-	"net/http"
-	"strings"
-	"time"
-)
-
-func (s *llmService) SendGeminiRequest(systemPrompt string, userPrompt string, model string) (string, error) {
-	apiKey := getEnvConfig("GEMINI_API_KEY")
-	if apiKey == "" {
-		return "", errors.New("GEMINI_API_KEY not found in .env or environment")
-	}
-
-	apiBase := "https://generativelanguage.googleapis.com/v1beta"
-
-	url := fmt.Sprintf("%s/models/%s:generateContent?key=%s", strings.TrimRight(apiBase, "/"), model, apiKey)
-
-	reqBody := map[string]interface{}{}
-	if systemPrompt != "" {
-		reqBody["system_instruction"] = map[string]interface{}{
-			"parts": []map[string]string{
-				{"text": systemPrompt},
-			},
-		}
-	}
-	reqBody["contents"] = []map[string]interface{}{
-		{
-			"role": "user",
-			"parts": []map[string]string{
-				{"text": userPrompt},
-			},
-		},
-	}
-
-	jsonBody, err := json.Marshal(reqBody)
-	if err != nil {
-		return "", err
-	}
-
-	req, err := http.NewRequest("POST", url, bytes.NewBuffer(jsonBody))
-	if err != nil {
-		return "", err
-	}
-	req.Header.Set("Content-Type", "application/json")
-
-	client := &http.Client{Timeout: 120 * time.Second}
-	resp, err := client.Do(req)
-	if err != nil {
-		return "", err
-	}
-	defer resp.Body.Close()
-
-	bodyBytes, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return "", err
-	}
-
-	if resp.StatusCode != http.StatusOK {
-		return "", fmt.Errorf("Gemini API error status %d: %s", resp.StatusCode, string(bodyBytes))
-	}
-
-	var result struct {
-		Candidates []struct {
-			Content struct {
-				Parts []struct {
-					Text string `json:"text"`
-				} `json:"parts"`
-			} `json:"content"`
-		} `json:"candidates"`
-	}
-	if err := json.Unmarshal(bodyBytes, &result); err != nil {
-		return "", err
-	}
-
-	if len(result.Candidates) > 0 && len(result.Candidates[0].Content.Parts) > 0 {
-		return result.Candidates[0].Content.Parts[0].Text, nil
-	}
-
-	return "", errors.New("empty response from Gemini API")
-}

mindforge.cronjob/internal/llm/llm.go

@@ -6,8 +6,7 @@ import (
 
 // Service defines the interface for connecting to LLMs
 type Service interface {
-	SendOpenAIRequest(systemPrompt string, userPrompt string, model string) (string, error)
-	SendGeminiRequest(systemPrompt string, userPrompt string, model string) (string, error)
+	Send(systemPrompt string, userPrompt string) (string, error)
 }
 
 type llmService struct{}

mindforge.cronjob/internal/llm/openai.go

@@ -11,15 +11,23 @@ import (
 	"time"
 )
 
-func (s *llmService) SendOpenAIRequest(systemPrompt string, userPrompt string, model string) (string, error) {
-	apiKey := getEnvConfig("OPENAI_API_KEY")
-	if apiKey == "" {
-		return "", errors.New("OPENAI_API_KEY not found in .env or environment")
+func (s *llmService) Send(systemPrompt string, userPrompt string) (string, error) {
+	apiURL := getEnvConfig("OPENAI_API_URL")
+	if apiURL == "" {
+		return "", errors.New("OPENAI_API_URL not found in environment")
 	}
 
-	apiBase := "https://api.openai.com/v1"
+	token := getEnvConfig("OPENAI_TOKEN")
+	if token == "" {
+		return "", errors.New("OPENAI_TOKEN not found in environment")
+	}
 
-	url := fmt.Sprintf("%s/chat/completions", strings.TrimRight(apiBase, "/"))
+	model := getEnvConfig("OPENAI_MODEL")
+	if model == "" {
+		return "", errors.New("OPENAI_MODEL not found in environment")
+	}
+
+	url := fmt.Sprintf("%s/chat/completions", strings.TrimRight(apiURL, "/"))
 
 	reqBody := map[string]interface{}{
 		"model": model,
@@ -42,7 +50,7 @@ func (s *llmService) SendOpenAIRequest(systemPrompt string, userPrompt string, m
 			return "", err
 		}
 		req.Header.Set("Content-Type", "application/json")
-		req.Header.Set("Authorization", "Bearer "+apiKey)
+		req.Header.Set("Authorization", "Bearer "+token)
 
 		client := &http.Client{Timeout: 120 * time.Second}
 		resp, err := client.Do(req)
@@ -62,7 +70,7 @@ func (s *llmService) SendOpenAIRequest(systemPrompt string, userPrompt string, m
 		}
 
 		if resp.StatusCode != http.StatusOK {
-			lastErr = fmt.Errorf("OpenAI API error status %d: %s", resp.StatusCode, string(bodyBytes))
+			lastErr = fmt.Errorf("API error status %d: %s", resp.StatusCode, string(bodyBytes))
 			time.Sleep(time.Second * time.Duration(1<<i))
 			continue
 		}
@@ -81,8 +89,8 @@ func (s *llmService) SendOpenAIRequest(systemPrompt string, userPrompt string, m
 		if len(result.Choices) > 0 {
 			return result.Choices[0].Message.Content, nil
 		}
-		return "", errors.New("empty response from OpenAI API")
+		return "", errors.New("empty response from API")
 	}
 
-	return "", fmt.Errorf("failed to get OpenAI response after 5 attempts. Last error: %v", lastErr)
+	return "", fmt.Errorf("failed to get response after 5 attempts. Last error: %v", lastErr)
 }

mindforge.sln

@@ -0,0 +1,24 @@
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.5.2.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Mindforge.API", "Mindforge.API\Mindforge.API.csproj", "{038E2A68-9556-09E2-3A91-52464940A286}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{038E2A68-9556-09E2-3A91-52464940A286}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{038E2A68-9556-09E2-3A91-52464940A286}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{038E2A68-9556-09E2-3A91-52464940A286}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{038E2A68-9556-09E2-3A91-52464940A286}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {3765D3A9-6691-44E4-8741-710E14090009}
+	EndGlobalSection
+EndGlobal