Meleki
dd99216913
- Kestrel MinResponseDataRate per-Request deaktivieren für SSE-Streams (Default 240 bytes/s + 5s Grace → client_disconnected bei langen Tools) - SSE-Heartbeat alle 15s während Stream (schützt gegen Browser/Netzwerk-Idle) - History-Trimming: RemoveRange schneidet nicht mehr in tool_use/tool_result-Paare - Reminder-Insertion: kein Einfügen zwischen tool_use und tool_result
610 lines
27 KiB
C#
610 lines
27 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text.Json;
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using System.Threading.Tasks;
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using Gott.Models;
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namespace Gott.Services;
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public class ChatService
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{
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private readonly DatabaseService _db;
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private readonly ToolService _toolService;
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private readonly MemoryService _memoryService;
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private readonly SkillService _skillService;
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private readonly int _maxHistory;
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private readonly int _reminderInterval;
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public ChatService(DatabaseService db, ToolService toolService, MemoryService memoryService, SkillService skillService,
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int maxHistory = 120, int reminderInterval = 30)
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{
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_db = db;
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_toolService = toolService;
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_memoryService = memoryService;
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_skillService = skillService;
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_maxHistory = maxHistory;
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_reminderInterval = reminderInterval;
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}
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public static string ResolveModelId(string model)
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{
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return model switch
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{
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"sonnet" => "claude-sonnet-4-6",
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"sonnet-4-5" => "claude-sonnet-4-5",
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"sonnet-4-6" => "claude-sonnet-4-6",
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"opus" => "claude-opus-4-6",
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"opus-4-5" => "claude-opus-4-5",
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"opus-4-6" => "claude-opus-4-6",
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"haiku" => "claude-haiku-4-5",
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"haiku-4-5" => "claude-haiku-4-5",
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_ => "claude-sonnet-4-6"
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};
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}
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/// <summary>
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/// Baut den vollständigen ChatContext auf: Agent, Model, SystemPrompt, Chain, Workspace etc.
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/// </summary>
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public async Task<ChatContext> PrepareContext(string sessionId, string userId, int maxIterations = 100, bool planMode = false)
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{
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var session = await _db.GetSession(sessionId);
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if (session == null || (userId != null && session.UserId != userId) || string.IsNullOrEmpty(session.AgentId))
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return null;
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var agent = await _db.GetAgent(session.AgentId);
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if (agent == null)
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return null;
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var modelId = ResolveModelId(agent.Model);
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var markedMessages = await _db.GetMarkedMessages(sessionId);
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var agentMemoryDir = _memoryService.GetAgentMemoryDir(agent.AgentId);
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var agentSkills = await _db.GetAgentSkills(agent.AgentId);
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var user = userId != null ? await _db.GetUser(userId) : null;
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var workspace = WorkspaceHelper.ResolveWorkspace(session, user);
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if (string.IsNullOrEmpty(workspace) && agentSkills.Any())
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workspace = WorkspaceHelper.TempDir;
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var promptBlocks = SystemPromptBuilder.BuildBlocks(
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agent, session, markedMessages, _memoryService, agentMemoryDir,
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agentSkills, _skillService, userPersona: user?.GetEffectivePersona(),
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resolvedWorkspace: workspace, planMode: planMode);
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var systemPromptText = string.Join("\n\n", promptBlocks.Select(b => b.Content));
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var hasWorkspace = !string.IsNullOrEmpty(workspace);
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var includeMemory = agent.UseMemory && !string.IsNullOrEmpty(agent.AgentId);
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var hasTools = hasWorkspace || includeMemory;
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var toolChoice = hasTools ? "any" : null;
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var toolDefs = hasTools
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? _toolService.GetToolDefinitions(includeFileTools: hasWorkspace, includeMemory: includeMemory, includeUserChoice: agent.AllowUserChoice)
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: Array.Empty<object>();
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var toolNames = toolDefs.Length > 0
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? JsonSerializer.Serialize(toolDefs.Select(td =>
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{
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var json = JsonSerializer.Serialize(td);
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var el = JsonSerializer.Deserialize<JsonElement>(json);
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return el.GetProperty("name").GetString();
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}).ToArray())
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: null;
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var chainId = Guid.NewGuid().ToString("N");
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await _db.CreateChain(new ChainRecord
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{
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ChainId = chainId,
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SessionId = sessionId,
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AgentId = agent.AgentId,
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Model = modelId,
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SystemPrompt = systemPromptText,
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ToolChoice = toolChoice,
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ToolNames = toolNames,
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PlanMode = planMode
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});
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await _db.UpdateSessionTimestamp(sessionId);
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if (!string.IsNullOrEmpty(workspace))
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Directory.CreateDirectory(workspace);
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var systemPrompt = new List<object>();
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if (!string.IsNullOrWhiteSpace(systemPromptText))
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systemPrompt.Add(new { type = "text", text = systemPromptText });
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// Sub-Agents vorbereiten (falls konfiguriert)
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var preparerContext = await BuildSubAgentContext(
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session.PreparerAgentId, sessionId, workspace, session, user);
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var reviewContext = await BuildSubAgentContext(
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session.ReviewAgentId, sessionId, workspace, session, user);
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var finalizerContext = await BuildSubAgentContext(
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session.FinalizerAgentId, sessionId, workspace, session, user);
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if (preparerContext != null)
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{
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preparerContext.AllowUserChoice = preparerContext.Agent?.AllowUserChoice ?? false;
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preparerContext.SystemPrompt.Add(new { type = "text", text = @"## KRITISCH: Deine Rolle als Vorbereiter-Agent
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Du bist ein Vorbereiter-Agent. Deine Aufgabe: Die Anfrage des Users aufbereiten, deine Fähigkeiten nutzen, und das Ergebnis an den Session-Agent weiterleiten.
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### Standardverhalten: Automatische Weiterleitung
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Deine Antwort wird AUTOMATISCH an den Session-Agent weitergeleitet. Du musst nichts Besonderes tun – antworte einfach mit dem aufbereiteten Ergebnis. Optional kannst du `[FORWARD]` an den Anfang schreiben, aber es ist nicht nötig.
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### Ausnahme: Rückfrage an den User
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NUR wenn du eine echte Rückfrage hast (Anfrage ist unklar/mehrdeutig), schreibe `[QUESTION]` an den Anfang deiner Antwort. Dann wird deine Antwort dem User als Rückfrage angezeigt und NICHT an den Session-Agent weitergeleitet.
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### Nutze deine Fähigkeiten aktiv!
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Du hast eigene Tools. Nutze sie! Erledige was du kannst (Dateien lesen, Daten aufbereiten, Strukturen erstellen, recherchieren). Der Session-Agent soll ein möglichst gut vorbereitetes Paket bekommen.
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### Beispiele:
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Weiterleitung (wird automatisch an den Session-Agent übergeben):
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```
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Der User möchte Produktdaten als JSON. Ich habe es bereits erstellt:
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{""products"": [{""id"": 1, ""name"": ""Widget""}]}
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Bitte speichere es in products.json.
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```
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Rückfrage (NUR mit [QUESTION] – stoppt die Weiterleitung):
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```
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[QUESTION]
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Für welche Plattform soll die App entwickelt werden? Web, Mobile oder Desktop?
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```" });
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}
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if (reviewContext != null)
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reviewContext.MaxReviewIterations = session.MaxReviewIterations > 0 ? session.MaxReviewIterations : 3;
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return new ChatContext
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{
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ChainId = chainId,
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SessionId = sessionId,
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ModelId = modelId,
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Workspace = workspace,
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AgentId = agent.AgentId,
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SystemPromptText = systemPromptText,
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SystemPrompt = systemPrompt,
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PromptBlocks = promptBlocks,
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ToolChoice = toolChoice,
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UseMemory = agent.UseMemory,
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WebSearchVersion = agent.WebSearchVersion,
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MaxIterations = maxIterations,
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Agent = agent,
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Session = session,
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Preparer = preparerContext,
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Review = reviewContext,
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Finalizer = finalizerContext,
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PlanMode = planMode
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};
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}
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/// <summary>
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/// Findet die Chain-ID die einen bestimmten tool_use-Call enthält.
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/// Wird genutzt um bei ask_user_choice das tool_result in die richtige Chain zu speichern.
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/// </summary>
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public async Task<string> FindChainWithToolCall(string sessionId, string toolCallId)
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{
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var chains = (await _db.GetActiveChains(sessionId)).ToList();
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foreach (var chain in chains)
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{
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var messages = await _db.GetChainMessages(chain.ChainId);
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foreach (var msg in messages)
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{
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if (msg.Role == "assistant" && msg.Type == "tool_use" && msg.ToolCallId == toolCallId)
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return chain.ChainId;
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}
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}
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return null;
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}
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/// <summary>
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/// Baut die Message-History aus der DB (aktive Chains).
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/// Optimiert: Nur Text-Messages (user/assistant) für ältere Chains,
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/// Tool-Calls nur für die aktuelle Chain, Attachments nur für die letzte User-Message.
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/// </summary>
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/// <summary>
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/// Baut die Message-History aus der DB (aktive Chains).
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/// includeTag: Wenn gesetzt, werden Messages mit diesem Tag NICHT ausgefiltert
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/// (z.B. "preparer" damit der Preparer seine eigenen vorherigen Messages sieht).
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/// </summary>
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public async Task<List<object>> BuildHistoryFromDb(string sessionId, string includeTag = null, List<PromptBlock> promptBlocks = null)
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{
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var chainsList = (await _db.GetActiveChains(sessionId)).ToList();
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// chronologisch sortieren (älteste zuerst)
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chainsList.Reverse();
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var history = new List<object>();
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var isLastChain = false;
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long? lastUserMsgId = null;
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// Bestimme ab welcher Chain vollständig geladen werden muss (mit Tool-Calls).
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// Bei aufeinanderfolgenden ask_user_choice-Runden entstehen mehrere Chains,
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// die alle vollständig geladen werden müssen (tool_use + tool_result Paare).
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// Eine Chain braucht die vorherige vollständig, wenn sie:
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// - leer ist (gerade erst erstellt für Choice-Antwort)
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// - mit einem tool_result beginnt (Antwort auf ask_user_choice der vorherigen Chain)
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int fullChainStartIndex = chainsList.Count - 1;
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for (int ci = chainsList.Count - 1; ci >= 1; ci--)
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{
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var chainMsgs = (await _db.GetChainMessages(chainsList[ci].ChainId)).ToList();
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bool needsPrevious = chainMsgs.Count == 0 ||
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chainMsgs.Any(m => m.Type == "tool_result" && m.Iteration == 999);
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if (needsPrevious)
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{
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// Diese Chain enthält eine Choice-Antwort oder ist leer →
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// vorherige Chain enthält den zugehörigen tool_use und muss vollständig geladen werden
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fullChainStartIndex = ci - 1;
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}
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else
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{
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break;
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}
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}
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for (int i = 0; i < chainsList.Count; i++)
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{
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var chain = chainsList[i];
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isLastChain = (i == chainsList.Count - 1);
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var msgs = (await _db.GetChainMessages(chain.ChainId))
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.Where(m => string.IsNullOrEmpty(m.Tag) || m.Tag == "openclaw-import" || m.Tag == includeTag) // Sub-Agent-Messages ausfiltern; openclaw-import ist Herkunfts-Tag und wird immer durchgelassen
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.ToList();
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// Letzte User-Message-ID der letzten Chain merken (für Attachments)
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if (isLastChain || i == fullChainStartIndex)
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{
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var lastUserMsg = msgs.LastOrDefault(m => m.Role == "user" && m.Type == "text");
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if (lastUserMsg != null)
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lastUserMsgId = lastUserMsg.Id;
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}
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// Für ältere Chains: nur Text-Messages (wie Frontend es vorher gemacht hat)
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if (i < fullChainStartIndex)
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{
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foreach (var msg in msgs)
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{
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if (msg.Role == "user" && msg.Type == "text" && !string.IsNullOrEmpty(msg.Content))
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{
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history.Add(new Dictionary<string, object>
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{
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["role"] = "user",
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["content"] = new List<object> { new { type = "text", text = msg.Content } }
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});
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}
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else if (msg.Role == "assistant" && msg.Type == "text" && !string.IsNullOrEmpty(msg.Content))
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{
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history.Add(new Dictionary<string, object>
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{
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["role"] = "assistant",
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["content"] = new List<object> { new { type = "text", text = msg.Content } }
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});
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}
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}
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continue;
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}
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// Letzte Chain: vollständig mit Tool-Calls
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var grouped = new Dictionary<int, List<MessageRecord>>();
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foreach (var msg in msgs)
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{
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if (!grouped.ContainsKey(msg.Iteration))
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grouped[msg.Iteration] = new List<MessageRecord>();
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grouped[msg.Iteration].Add(msg);
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}
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foreach (var kvp in grouped.OrderBy(x => x.Key))
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{
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foreach (var msg in kvp.Value)
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{
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if (msg.Role == "user" && msg.Type == "text")
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{
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var content = new List<object>();
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// Attachments nur für die letzte User-Message laden
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if (msg.Id == lastUserMsgId)
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{
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var attachments = await _db.GetAttachments(msg.Id);
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foreach (var att in attachments)
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{
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if (att.Type == "image")
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{
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content.Add(new
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{
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type = "image",
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source = new { type = "base64", media_type = att.MediaType, data = att.Data }
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});
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}
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else if (att.Type == "document")
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{
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content.Add(new
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{
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type = "document",
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source = new { type = "base64", media_type = att.MediaType, data = att.Data }
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});
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}
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}
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}
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if (!string.IsNullOrEmpty(msg.Content))
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content.Add(new { type = "text", text = msg.Content });
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if (content.Count > 0)
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history.Add(new Dictionary<string, object> { ["role"] = "user", ["content"] = content });
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}
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else if (msg.Role == "assistant" && msg.Type == "text")
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{
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if (!string.IsNullOrEmpty(msg.Content))
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{
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history.Add(new Dictionary<string, object>
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{
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["role"] = "assistant",
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["content"] = new List<object> { new { type = "text", text = msg.Content } }
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});
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}
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}
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else if (msg.Role == "assistant" && msg.Type == "tool_use")
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{
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JsonElement inputEl;
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try { inputEl = JsonSerializer.Deserialize<JsonElement>(msg.Content ?? "{}"); }
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catch { inputEl = JsonSerializer.Deserialize<JsonElement>("{}"); }
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var lastAssistant = history.Count > 0 ? history[history.Count - 1] : null;
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if (lastAssistant is Dictionary<string, object> dict &&
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dict.TryGetValue("role", out var role) && role.ToString() == "assistant" &&
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dict.TryGetValue("content", out var existingContent) && existingContent is List<object> contentList)
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{
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contentList.Add(new { type = "tool_use", id = msg.ToolCallId, name = msg.ToolName, input = inputEl });
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}
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else
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{
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history.Add(new Dictionary<string, object>
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{
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["role"] = "assistant",
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["content"] = new List<object>
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{
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new { type = "tool_use", id = msg.ToolCallId, name = msg.ToolName, input = inputEl }
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}
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});
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}
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}
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else if (msg.Role == "assistant" && msg.Type == "server_tool_use")
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{
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// Server-Tool-Use (web_search, code_execution etc.) – Raw-JSON in Assistant-Content
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JsonElement useEl;
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try { useEl = JsonSerializer.Deserialize<JsonElement>(msg.Content ?? "{}"); }
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catch { continue; }
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var lastAssistant = history.Count > 0 ? history[history.Count - 1] : null;
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if (lastAssistant is Dictionary<string, object> dict &&
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dict.TryGetValue("role", out var role) && role.ToString() == "assistant" &&
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dict.TryGetValue("content", out var existingContent) && existingContent is List<object> contentList)
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{
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contentList.Add(useEl);
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}
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else
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{
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history.Add(new Dictionary<string, object>
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{
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["role"] = "assistant",
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["content"] = new List<object> { useEl }
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});
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}
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}
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else if (msg.Role == "assistant" && msg.Type == "server_tool_result")
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{
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// Server-Tool-Results (bash_code_execution_tool_result, code_execution_tool_result etc.)
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// werden als Raw-JSON in den Assistant-Content-Block eingefügt
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JsonElement resultEl;
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try { resultEl = JsonSerializer.Deserialize<JsonElement>(msg.Content ?? "{}"); }
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catch { continue; }
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var lastAssistant = history.Count > 0 ? history[history.Count - 1] : null;
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if (lastAssistant is Dictionary<string, object> dict &&
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dict.TryGetValue("role", out var role) && role.ToString() == "assistant" &&
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dict.TryGetValue("content", out var existingContent) && existingContent is List<object> contentList)
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{
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contentList.Add(resultEl);
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}
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else
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{
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history.Add(new Dictionary<string, object>
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{
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["role"] = "assistant",
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["content"] = new List<object> { resultEl }
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});
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}
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}
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else if (msg.Role == "user" && msg.Type == "tool_result")
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{
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var lastUser = history.Count > 0 ? history[history.Count - 1] : null;
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if (lastUser is Dictionary<string, object> dict &&
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dict.TryGetValue("role", out var role) && role.ToString() == "user" &&
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dict.TryGetValue("content", out var existingContent) && existingContent is List<object> contentList)
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{
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contentList.Add(new { type = "tool_result", tool_use_id = msg.ToolCallId, content = AnthropicService.TruncateToolResult(msg.Content ?? ""), is_error = msg.IsError });
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}
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else
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{
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history.Add(new Dictionary<string, object>
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{
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["role"] = "user",
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["content"] = new List<object>
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{
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new { type = "tool_result", tool_use_id = msg.ToolCallId, content = AnthropicService.TruncateToolResult(msg.Content ?? ""), is_error = msg.IsError }
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}
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});
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}
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}
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}
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}
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}
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// History auf maximal N Messages begrenzen (älteste entfernen)
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// WICHTIG: Nicht mitten in einem tool_use/tool_result-Paar abschneiden!
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if (history.Count > _maxHistory)
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{
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int removeCount = history.Count - _maxHistory;
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// Nach vorne korrigieren bis wir an einer sicheren Stelle sind:
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// Nicht abschneiden wenn die erste verbleibende Message ein tool_result ist
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// oder die letzte entfernte Message ein assistant mit tool_use ist
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while (removeCount < history.Count - 1)
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{
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var firstRemaining = history[removeCount];
|
||
bool isToolResult = false;
|
||
if (firstRemaining is Dictionary<string, object> frDict &&
|
||
frDict.TryGetValue("role", out var frRole) && frRole.ToString() == "user" &&
|
||
frDict.TryGetValue("content", out var frContent) && frContent is List<object> frList)
|
||
{
|
||
isToolResult = frList.Any(item =>
|
||
{
|
||
var json = JsonSerializer.Serialize(item);
|
||
return json.Contains("\"tool_result\"");
|
||
});
|
||
}
|
||
|
||
if (isToolResult)
|
||
{
|
||
// Die erste verbleibende Message ist ein tool_result → muss den vorherigen
|
||
// assistant[tool_use] auch behalten → ein Element weniger entfernen
|
||
removeCount--;
|
||
// Jetzt prüfen ob der neue Start auch sicher ist (könnte auch tool_result sein)
|
||
continue;
|
||
}
|
||
|
||
// Prüfen ob die letzte entfernte Message ein assistant mit tool_use war
|
||
bool lastRemovedHasToolUse = false;
|
||
if (removeCount > 0)
|
||
{
|
||
var lastRemoved = history[removeCount - 1];
|
||
if (lastRemoved is Dictionary<string, object> lrDict &&
|
||
lrDict.TryGetValue("role", out var lrRole) && lrRole.ToString() == "assistant" &&
|
||
lrDict.TryGetValue("content", out var lrContent) && lrContent is List<object> lrList)
|
||
{
|
||
lastRemovedHasToolUse = lrList.Any(item =>
|
||
{
|
||
var json = JsonSerializer.Serialize(item);
|
||
return json.Contains("\"tool_use\"");
|
||
});
|
||
}
|
||
}
|
||
|
||
if (lastRemovedHasToolUse)
|
||
{
|
||
// Letztes entferntes Element enthält tool_use → auch das tool_result entfernen
|
||
removeCount++;
|
||
continue;
|
||
}
|
||
|
||
break;
|
||
}
|
||
|
||
if (removeCount > 0 && removeCount < history.Count)
|
||
history.RemoveRange(0, removeCount);
|
||
}
|
||
|
||
// Reminder einfügen: alle ~30 user/assistant-Paare ein Reminder-Paar einfügen
|
||
var reminder = SystemPromptBuilder.BuildReminder(promptBlocks);
|
||
if (!string.IsNullOrWhiteSpace(reminder) && _reminderInterval > 0 && history.Count > _reminderInterval)
|
||
{
|
||
var reminderUser = new Dictionary<string, object>
|
||
{
|
||
["role"] = "user",
|
||
["content"] = new List<object> { new { type = "text", text = "[System Reminder] " + reminder } }
|
||
};
|
||
var reminderAssistant = new Dictionary<string, object>
|
||
{
|
||
["role"] = "assistant",
|
||
["content"] = new List<object> { new { type = "text", text = "Verstanden." } }
|
||
};
|
||
|
||
// Alle 30 Messages ein Reminder-Paar einfügen (von hinten nach vorne, damit Indizes stimmen)
|
||
var insertPositions = new List<int>();
|
||
int messageCount = 0;
|
||
for (int i = 0; i < history.Count; i++)
|
||
{
|
||
messageCount++;
|
||
if (messageCount > 0 && messageCount % _reminderInterval == 0)
|
||
{
|
||
// Position nach dem aktuellen Element – aber nur einfügen wenn es eine
|
||
// assistant-Message ist (damit user/assistant-Alternierung nicht bricht)
|
||
// UND die nächste Message kein tool_result ist (sonst bricht tool_use/tool_result-Paar)
|
||
bool nextIsToolResult = false;
|
||
if (i + 1 < history.Count && history[i + 1] is Dictionary<string, object> nextDict &&
|
||
nextDict.TryGetValue("role", out var nextRole) && nextRole.ToString() == "user" &&
|
||
nextDict.TryGetValue("content", out var nextContent) && nextContent is List<object> nextList)
|
||
{
|
||
nextIsToolResult = nextList.Any(item =>
|
||
{
|
||
var json = JsonSerializer.Serialize(item);
|
||
return json.Contains("\"tool_result\"");
|
||
});
|
||
}
|
||
|
||
if (!nextIsToolResult && history[i] is Dictionary<string, object> d &&
|
||
d.TryGetValue("role", out var r) && r.ToString() == "assistant")
|
||
{
|
||
insertPositions.Add(i + 1);
|
||
}
|
||
}
|
||
}
|
||
|
||
// Von hinten nach vorne einfügen, damit Indizes nicht verschoben werden
|
||
for (int j = insertPositions.Count - 1; j >= 0; j--)
|
||
{
|
||
var pos = insertPositions[j];
|
||
history.Insert(pos, reminderAssistant);
|
||
history.Insert(pos, reminderUser);
|
||
}
|
||
}
|
||
|
||
return history;
|
||
}
|
||
|
||
/// <summary>
|
||
/// Baut einen SubAgentContext für Preparer/Review/Finalizer.
|
||
/// Gemeinsame Logik: Agent laden, Model auflösen, SystemPrompt bauen, ToolChoice bestimmen.
|
||
/// </summary>
|
||
private async Task<SubAgentContext> BuildSubAgentContext(
|
||
string agentId, string sessionId, string workspace, SessionRecord session, UserRecord user)
|
||
{
|
||
if (string.IsNullOrEmpty(agentId))
|
||
return null;
|
||
|
||
var agent = await _db.GetAgent(agentId);
|
||
if (agent == null)
|
||
return null;
|
||
|
||
var modelId = ResolveModelId(agent.Model);
|
||
var markedMessages = await _db.GetMarkedMessages(sessionId);
|
||
var memDir = _memoryService.GetAgentMemoryDir(agent.AgentId);
|
||
var skills = await _db.GetAgentSkills(agent.AgentId);
|
||
var systemText = SystemPromptBuilder.Build(
|
||
agent, session, markedMessages, _memoryService, memDir,
|
||
skills, _skillService, userPersona: user?.GetEffectivePersona(),
|
||
resolvedWorkspace: workspace);
|
||
|
||
var prompt = new List<object>();
|
||
if (!string.IsNullOrWhiteSpace(systemText))
|
||
prompt.Add(new { type = "text", text = systemText });
|
||
|
||
var hasTools = !string.IsNullOrEmpty(workspace) || agent.UseMemory;
|
||
return new SubAgentContext
|
||
{
|
||
ModelId = modelId,
|
||
SystemPrompt = prompt,
|
||
AgentId = agent.AgentId,
|
||
Workspace = workspace,
|
||
UseMemory = agent.UseMemory,
|
||
WebSearchVersion = agent.WebSearchVersion,
|
||
ToolChoice = hasTools ? "any" : "auto",
|
||
Agent = agent
|
||
};
|
||
}
|
||
|
||
}
|