From 24d8db0064d92e7ac783d2a3d23d49f314037600 Mon Sep 17 00:00:00 2001
From: tanaka takashi <isazaka@gmail.com>
Date: Tue, 11 Aug 2026 22:07:37 +0900
Subject: Retain original task constraints during execution

---
 src/Agent.Core/Prompts/PromptComposer.cs | 2 ++
 src/Agent.Core/Runtime/AgentRuntime.cs   | 1 +
 2 files changed, 3 insertions(+)

(limited to 'src/Agent.Core')

diff --git a/src/Agent.Core/Prompts/PromptComposer.cs b/src/Agent.Core/Prompts/PromptComposer.cs
index de209be..c61e678 100644
--- a/src/Agent.Core/Prompts/PromptComposer.cs
+++ b/src/Agent.Core/Prompts/PromptComposer.cs
@@ -15,6 +15,7 @@ public sealed record PromptContext(
     string PreviousSummary,
     IReadOnlyList<ExecutionResult> ExecutionResults,
     IReadOnlyList<ConversationMessage> Conversation,
+    string OriginalRequest,
     string Request,
     bool RequiresExternalEffect,
     IReadOnlyList<string>? Images = null);
@@ -33,6 +34,7 @@ public static class PromptComposer
             new("system", context.TaskGraphSummary),
             new("system", context.PreviousSummary),
             new("system", ComposeExecutionResults(context.ExecutionResults)),
+            new("system", $"Original MCP Task request (reference for exact paths, arguments, constraints, and literals; perform only the current Running Planner Task):\n{context.OriginalRequest}"),
             new("system", ComposeExecutionRequirement(context.RequiresExternalEffect))
         };
         // Inject selected skill instructions (Progressive Disclosure Stage 3).
diff --git a/src/Agent.Core/Runtime/AgentRuntime.cs b/src/Agent.Core/Runtime/AgentRuntime.cs
index 3722ff3..894f50e 100644
--- a/src/Agent.Core/Runtime/AgentRuntime.cs
+++ b/src/Agent.Core/Runtime/AgentRuntime.cs
@@ -220,6 +220,7 @@ public sealed class AgentRuntime(TaskRegistry registry, IOllamaClient ollama, Ag
             session.Summary ?? string.Empty,
             session.ExecutionResults,
             session.Conversation,
+            task.Request,
             plannerTask.Description,
             plannerTask.RequiresExternalEffect,
             task.Images)).ToList();
-- 
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