feat(tui): enhance splash screen and agent status display

- Reduced animation timer for splash screen to improve responsiveness.
- Added URL display to the splash screen.
- Improved start line animation with dynamic character styling.
- Updated agent status display to show "Initializing Agent" when no real activity is detected.
- Enhanced waiting and animated verb text with dynamic styling.
- Implemented sidebar visibility toggle based on window size.
- Updated live stats to include model information from agent configuration.
- Refined TUI styles for better visual consistency.

strix/interface/utils.py

@@ -134,6 +134,12 @@ def build_live_stats_text(tracer: Any, agent_config: dict[str, Any] | None = Non
     if not tracer:
         return stats_text
 
+    if agent_config:
+        llm_config = agent_config["llm_config"]
+        model = getattr(llm_config, "model_name", "Unknown")
+        stats_text.append(f"🧠 Model: {model}")
+        stats_text.append("\n")
+
     vuln_count = len(tracer.vulnerability_reports)
     tool_count = tracer.get_real_tool_count()
     agent_count = len(tracer.agents)
@@ -165,12 +171,6 @@ def build_live_stats_text(tracer: Any, agent_config: dict[str, Any] | None = Non
 
         stats_text.append("\n")
 
-    if agent_config:
-        llm_config = agent_config["llm_config"]
-        model = getattr(llm_config, "model_name", "Unknown")
-        stats_text.append(f"🧠 Model: {model}")
-        stats_text.append("\n")
-
     stats_text.append("🤖 Agents: ", style="bold white")
     stats_text.append(str(agent_count), style="dim white")
     stats_text.append(" • ", style="dim white")