initial release

Models/Chunk.cs

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+namespace OpenQuery.Models;
+
+public record Chunk(
+    string Content,
+    string SourceUrl,
+    string? Title = null
+)
+{
+    public float[]? Embedding { get; set; }
+    public float Score { get; set; }
+}

Models/JsonContexts.cs

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+using System.Text.Json.Serialization;
+using OpenQuery.Services;
+
+namespace OpenQuery.Models;
+
+[JsonSerializable(typeof(ChatCompletionRequest))]
+[JsonSerializable(typeof(ChatCompletionResponse))]
+[JsonSerializable(typeof(ChatCompletionChunk))]
+[JsonSerializable(typeof(EmbeddingRequest))]
+[JsonSerializable(typeof(EmbeddingResponse))]
+[JsonSerializable(typeof(SearxngRoot))]
+[JsonSerializable(typeof(List<string>))]
+internal partial class AppJsonContext : JsonSerializerContext
+{
+}

Models/OpenQueryOptions.cs

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+namespace OpenQuery.Models;
+
+public record OpenQueryOptions(
+    int Chunks,
+    int Results,
+    int Queries,
+    bool Short,
+    bool Long,
+    string Question
+);

Models/OpenRouter.cs

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+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace OpenQuery.Models;
+
+public record ChatCompletionRequest(
+    [property: JsonPropertyName("model")] string Model,
+    [property: JsonPropertyName("messages")] List<Message> Messages,
+    [property: JsonPropertyName("tools")] List<ToolDefinition>? Tools = null,
+    [property: JsonPropertyName("stream")] bool Stream = false
+);
+
+public record Message(
+    [property: JsonPropertyName("role")] string Role,
+    [property: JsonPropertyName("content")] string? Content = null,
+    [property: JsonPropertyName("tool_calls")] List<ToolCall>? ToolCalls = null,
+    [property: JsonPropertyName("tool_call_id")] string? ToolCallId = null
+)
+{
+    public static Message FromTool(string content, string toolCallId) =>
+        new Message("tool", content, null, toolCallId);
+}
+
+public record ToolDefinition(
+    [property: JsonPropertyName("type")] string Type,
+    [property: JsonPropertyName("function")] ToolFunction Function
+);
+
+public record ToolFunction(
+    [property: JsonPropertyName("name")] string Name,
+    [property: JsonPropertyName("description")] string Description,
+    [property: JsonPropertyName("parameters")] JsonElement Parameters
+);
+
+public record ToolCall(
+    [property: JsonPropertyName("id")] string Id,
+    [property: JsonPropertyName("type")] string Type,
+    [property: JsonPropertyName("function")] FunctionCall Function
+);
+
+public record FunctionCall(
+    [property: JsonPropertyName("name")] string Name,
+    [property: JsonPropertyName("arguments")] string Arguments
+);
+
+public record ChatCompletionResponse(
+    [property: JsonPropertyName("choices")] List<Choice> Choices,
+    [property: JsonPropertyName("usage")] Usage? Usage = null
+);
+
+public record Choice(
+    [property: JsonPropertyName("message")] Message Message,
+    [property: JsonPropertyName("finish_reason")] string? FinishReason = null
+);
+
+public record Usage(
+    [property: JsonPropertyName("prompt_tokens")] int PromptTokens,
+    [property: JsonPropertyName("completion_tokens")] int CompletionTokens,
+    [property: JsonPropertyName("total_tokens")] int TotalTokens
+);
+
+public record EmbeddingRequest(
+    [property: JsonPropertyName("model")] string Model,
+    [property: JsonPropertyName("input")] List<string> Input
+);
+
+public record EmbeddingResponse(
+    [property: JsonPropertyName("data")] List<EmbeddingData> Data,
+    [property: JsonPropertyName("usage")] Usage Usage
+);
+
+public record EmbeddingData(
+    [property: JsonPropertyName("embedding")] float[] Embedding,
+    [property: JsonPropertyName("index")] int Index
+);

Models/Searxng.cs

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+using System.Text.Json.Serialization;
+
+namespace OpenQuery.Models;
+
+public record SearxngRoot(
+    [property: JsonPropertyName("results")] List<SearxngResult> Results
+);
+
+public record SearxngResult(
+    [property: JsonPropertyName("title")] string Title,
+    [property: JsonPropertyName("url")] string Url,
+    [property: JsonPropertyName("content")] string Content
+);