Increase token limit and refine deep research prompt handling.

Author: JegernOUTT

refact-agent/engine/src/scratchpads/chat_passthrough.rs

@@ -303,7 +303,9 @@ fn _adapt_for_reasoning_models(
             if supports_boost_reasoning && sampling_parameters.boost_reasoning {
                 sampling_parameters.reasoning_effort = Some(ReasoningEffort::Medium);
             }
-            sampling_parameters.max_new_tokens = sampling_parameters.max_new_tokens * 2;
+            if sampling_parameters.max_new_tokens <= 8192 {
+                sampling_parameters.max_new_tokens = sampling_parameters.max_new_tokens * 2;
+            }
             sampling_parameters.temperature = default_temperature;
             messages
         },

refact-agent/engine/src/tools/tool_deep_research.rs

@@ -14,9 +14,7 @@ pub struct ToolDeepResearch {
     pub config_path: String,
 }
 
-static RESEARCHER_SYSTEM_PROMPT: &str = r#"You are a professional researcher preparing a structured, data-driven report. Your task is to analyze the research question the user poses.
-
-Do:
+static RESEARCHER_PROMPT: &str = r#"Do:
 - Focus on data-rich insights: include specific figures, trends, statistics, and measurable outcomes.
 - When appropriate, summarize data in a way that could be turned into charts or tables, and call this out in the response.
 - Prioritize reliable, up-to-date sources: official documentation, peer-reviewed research, reputable technical blogs, and official project repositories.
@@ -25,7 +23,7 @@ Do:
 Be analytical, avoid generalities, and ensure that each section supports data-backed reasoning that could inform technical decisions or implementation strategies."#;
 
 static ENTERTAINMENT_MESSAGES: &[&str] = &[
-    "🔬 Deep research in progress... This may take up to 20 minutes, please be patient!",
+    "🔬 Deep research in progress... This may take up to 30 minutes, please be patient!",
     "🌐 Browsing the web and gathering relevant sources...",
     "📚 Reading through documentation and articles...",
     "🔍 Cross-referencing information from multiple sources...",
@@ -90,7 +88,7 @@ async fn execute_deep_research(
     spawn_entertainment_task(subchat_tx, tool_call_id.clone(), cancel_token.clone());
 
     let messages = vec![
-        ChatMessage::new("system".to_string(), RESEARCHER_SYSTEM_PROMPT.to_string()),
+        ChatMessage::new("user".to_string(), RESEARCHER_PROMPT.to_string()),
         ChatMessage::new("user".to_string(), research_query.to_string()),
     ];
 

refact-agent/engine/src/yaml_configs/customization_compiled_in.yaml

@@ -337,7 +337,7 @@ subchat_tool_parameters:
   deep_research:
     subchat_model: "refact/o4-mini-deep-research"
     subchat_n_ctx: 200000
-    subchat_max_new_tokens: 64000
+    subchat_max_new_tokens: 100000
     subchat_reasoning_effort: "medium"
   subagent:
     subchat_model_type: "light"