Add Agent Config data asset system with ElevenLabs editor integration

Introduces UPS_AI_ConvAgent_AgentConfig_ElevenLabs data asset to encapsulate
full agent configuration (voice, LLM, prompt, language, emotions) with a
custom Detail Customization providing:
- Voice/TTS Model/LLM/Language pickers with Fetch buttons (ElevenLabs API)
- LLM latency hints in dropdown (~250ms, ~700ms, etc.)
- Create/Update/Fetch Agent buttons for REST API CRUD
- Auto-fetch on editor open, auto-select first voice for new assets
- Prompt fragment management (language, multilingual, emotion tool)
- Smart defaults: gemini-2.5-flash LLM, eleven_turbo_v2_5 TTS, English
- Speed range expanded to 0.7-1.95 (was 0.7-1.2)
- bAutoStartConversation + StartConversationWithSelectedAgent() on InteractionComponent

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Unreal/PS_AI_Agent/Plugins/PS_AI_ConvAgent/Source/PS_AI_ConvAgent/Private/PS_AI_ConvAgent_AgentConfig_ElevenLabs.cpp

@@ -0,0 +1,3 @@
+// Copyright ASTERION. All Rights Reserved.
+
+#include "PS_AI_ConvAgent_AgentConfig_ElevenLabs.h"

Unreal/PS_AI_Agent/Plugins/PS_AI_ConvAgent/Source/PS_AI_ConvAgent/Private/PS_AI_ConvAgent_ElevenLabsComponent.cpp

@@ -1,6 +1,7 @@
 // Copyright ASTERION. All Rights Reserved.
 
 #include "PS_AI_ConvAgent_ElevenLabsComponent.h"
+#include "PS_AI_ConvAgent_AgentConfig_ElevenLabs.h"
 #include "PS_AI_ConvAgent_MicrophoneCaptureComponent.h"
 #include "PS_AI_ConvAgent_PostureComponent.h"
 #include "PS_AI_ConvAgent_InteractionSubsystem.h"
@@ -266,7 +267,13 @@ void UPS_AI_ConvAgent_ElevenLabsComponent::StartConversation_Internal()
 	// Pass configuration to the proxy before connecting.
 	WebSocketProxy->TurnMode = TurnMode;
 
-	WebSocketProxy->Connect(AgentID);
+	// Resolve AgentID by priority: AgentConfig > component string > project default.
+	FString ResolvedAgentID = AgentID;
+	if (AgentConfig && !AgentConfig->AgentID.IsEmpty())
+	{
+		ResolvedAgentID = AgentConfig->AgentID;
+	}
+	WebSocketProxy->Connect(ResolvedAgentID);
 }
 
 void UPS_AI_ConvAgent_ElevenLabsComponent::EndConversation()

Unreal/PS_AI_Agent/Plugins/PS_AI_ConvAgent/Source/PS_AI_ConvAgent/Private/PS_AI_ConvAgent_InteractionComponent.cpp

@@ -252,16 +252,18 @@ void UPS_AI_ConvAgent_InteractionComponent::SetSelectedAgent(UPS_AI_ConvAgent_El
 		}
 
 		// Network: auto-start conversation if the agent isn't connected yet.
-		if (!NewAgent->IsConnected() && !NewAgent->bNetIsConversing)
+		// Only when bAutoStartConversation is true — otherwise the user must
+		// call StartConversationWithSelectedAgent() explicitly (e.g. on key press).
+		if (bAutoStartConversation && !NewAgent->IsConnected() && !NewAgent->bNetIsConversing)
 		{
 			NewAgent->StartConversation();
-		}
 
 			// Ensure mic is capturing so we can route audio to the new agent.
 			if (MicComponent && !MicComponent->IsCapturing())
 			{
 				MicComponent->StartCapture();
 			}
+		}
 
 		// ── Posture: attach (eyes+head only — body tracking is enabled later
 		//    by ElevenLabsComponent when the agent starts responding) ──
@@ -351,6 +353,48 @@ void UPS_AI_ConvAgent_InteractionComponent::ClearSelection()
 	SetSelectedAgent(nullptr);
 }
 
+void UPS_AI_ConvAgent_InteractionComponent::StartConversationWithSelectedAgent()
+{
+	UPS_AI_ConvAgent_ElevenLabsComponent* Agent = SelectedAgent.Get();
+	if (!Agent)
+	{
+		if (bDebug)
+		{
+			UE_LOG(LogPS_AI_ConvAgent_Select, Warning, TEXT("StartConversationWithSelectedAgent: no agent selected."));
+		}
+		return;
+	}
+
+	if (Agent->IsConnected() || Agent->bNetIsConversing)
+	{
+		if (bDebug)
+		{
+			UE_LOG(LogPS_AI_ConvAgent_Select, Log, TEXT("StartConversationWithSelectedAgent: agent already connected/conversing."));
+		}
+		return;
+	}
+
+	if (bDebug)
+	{
+		UE_LOG(LogPS_AI_ConvAgent_Select, Log, TEXT("StartConversationWithSelectedAgent: starting conversation with %s"),
+			Agent->GetOwner() ? *Agent->GetOwner()->GetName() : TEXT("(null)"));
+	}
+
+	Agent->StartConversation();
+
+	// Ensure mic is capturing so we can route audio to the agent.
+	if (MicComponent && !MicComponent->IsCapturing())
+	{
+		MicComponent->StartCapture();
+	}
+
+	// Start listening if auto-managed.
+	if (bAutoManageListening)
+	{
+		Agent->StartListening();
+	}
+}
+
 // ─────────────────────────────────────────────────────────────────────────────
 // Posture helpers
 // ─────────────────────────────────────────────────────────────────────────────

Unreal/PS_AI_Agent/Plugins/PS_AI_ConvAgent/Source/PS_AI_ConvAgent/Private/PS_AI_ConvAgent_WebSocket_ElevenLabsProxy.cpp

@@ -724,9 +724,9 @@ FString UPS_AI_ConvAgent_WebSocket_ElevenLabsProxy::BuildWebSocketURL(const FStr
 		return Settings->CustomWebSocketURL;
 	}
 
-	const FString ResolvedAgentID = AgentIDOverride.IsEmpty() ? Settings->AgentID : AgentIDOverride;
+	if (AgentIDOverride.IsEmpty())
-	if (ResolvedAgentID.IsEmpty())
 	{
+		UE_LOG(LogTemp, Error, TEXT("[PS_AI_ConvAgent] No AgentID provided. Set one via AgentConfig data asset or the AgentID property on the component."));
 		return FString();
 	}
 
@@ -734,5 +734,5 @@ FString UPS_AI_ConvAgent_WebSocket_ElevenLabsProxy::BuildWebSocketURL(const FStr
 	// wss://api.elevenlabs.io/v1/convai/conversation?agent_id=<ID>
 	return FString::Printf(
 		TEXT("wss://api.elevenlabs.io/v1/convai/conversation?agent_id=%s"),
-		*ResolvedAgentID);
+		*AgentIDOverride);
 }

Unreal/PS_AI_Agent/Plugins/PS_AI_ConvAgent/Source/PS_AI_ConvAgent/Public/PS_AI_ConvAgent.h

@@ -23,13 +23,6 @@ public:
 	UPROPERTY(Config, EditAnywhere, Category = "PS AI ConvAgent|ElevenLabs API")
 	FString API_Key;
 
-	/**
-	 * The default ElevenLabs Agent ID to use when none is specified
-	 * on the component. Create agents at https://elevenlabs.io/app/conversational-ai
-	 */
-	UPROPERTY(Config, EditAnywhere, Category = "PS AI ConvAgent|ElevenLabs API")
-	FString AgentID;
-
 	/**
 	 * Override the ElevenLabs WebSocket base URL. Leave empty to use the default:
 	 *   wss://api.elevenlabs.io/v1/convai/conversation

Unreal/PS_AI_Agent/Plugins/PS_AI_ConvAgent/Source/PS_AI_ConvAgent/Public/PS_AI_ConvAgent_AgentConfig_ElevenLabs.h

@@ -0,0 +1,234 @@
+// Copyright ASTERION. All Rights Reserved.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Engine/DataAsset.h"
+#include "PS_AI_ConvAgent_AgentConfig_ElevenLabs.generated.h"
+
+/**
+ * Reusable data asset that encapsulates a full ElevenLabs agent configuration:
+ * voice, LLM prompt, language, emotion tool, and API identity.
+ *
+ * Create ONE instance per agent in the Content Browser
+ * (right-click > Miscellaneous > PS AI ConvAgent Agent Config),
+ * then assign it on the PS AI ConvAgent ElevenLabs component.
+ *
+ * The editor Detail Customization provides:
+ *   - Voice picker (fetches available voices from the ElevenLabs API)
+ *   - Model picker (fetches TTS models from the ElevenLabs API)
+ *   - LLM picker (dropdown with supported LLMs)
+ *   - Language picker (dropdown with supported languages)
+ *   - Create / Update / Fetch Agent buttons (REST API)
+ *   - Pre-configured emotion tool prompt fragment
+ *
+ * At runtime, the ElevenLabsComponent reads AgentID from this asset
+ * to establish the WebSocket conversation.
+ */
+UCLASS(BlueprintType, Blueprintable,
+	DisplayName = "PS AI ConvAgent Agent Config (ElevenLabs)")
+class PS_AI_CONVAGENT_API UPS_AI_ConvAgent_AgentConfig_ElevenLabs : public UPrimaryDataAsset
+{
+	GENERATED_BODY()
+
+public:
+	// ── Identity ─────────────────────────────────────────────────────────────
+
+	/** Agent ID assigned by ElevenLabs after Create/Sync.
+	 *  Populated automatically by the "Create Agent" editor action.
+	 *  This is the ID used to connect the WebSocket conversation.
+	 *  You can also paste an existing ID here, then use "Fetch Agent" to pull its config. */
+	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Identity",
+		meta = (ToolTip = "ElevenLabs Agent ID.\nPopulated when created/synced via API.\nPaste an existing ID + Fetch Agent to import."))
+	FString AgentID;
+
+	/** Human-readable name for this agent.
+	 *  Used as the agent name when creating on ElevenLabs. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Identity",
+		meta = (ToolTip = "Agent display name (visible on ElevenLabs dashboard)."))
+	FString AgentName;
+
+	// ── Voice ────────────────────────────────────────────────────────────────
+
+	/** Voice ID from ElevenLabs.
+	 *  Managed by the Voice picker dropdown — do not edit manually. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voice",
+		meta = (ToolTip = "ElevenLabs Voice ID.\nManaged by the Voice picker dropdown."))
+	FString VoiceID;
+
+	/** Display name of the selected voice (informational, not sent to API). */
+	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "Voice",
+		meta = (ToolTip = "Name of the selected voice (display only)."))
+	FString VoiceName;
+
+	/** TTS model ID (e.g. "eleven_turbo_v2_5", "eleven_multilingual_v2").
+	 *  Managed by the Model picker dropdown. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voice",
+		meta = (ToolTip = "TTS model ID.\nManaged by the Model picker dropdown."))
+	FString TTSModelID = TEXT("eleven_turbo_v2_5");
+
+	/** TTS stability (0.0 - 1.0). Controls voice consistency. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voice",
+		meta = (ClampMin = "0.0", ClampMax = "1.0",
+		ToolTip = "Voice stability.\n0 = variable/expressive, 1 = consistent.\nDefault: 0.5"))
+	float Stability = 0.5f;
+
+	/** TTS similarity boost (0.0 - 1.0). Higher = closer to original voice. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voice",
+		meta = (ClampMin = "0.0", ClampMax = "1.0",
+		ToolTip = "Similarity boost.\n0 = less similar, 1 = more similar.\nDefault: 0.75"))
+	float SimilarityBoost = 0.75f;
+
+	/** TTS speed multiplier. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voice",
+		meta = (ClampMin = "0.7", ClampMax = "1.95",
+		ToolTip = "Speech speed multiplier.\nRange: 0.7-1.95.\nDefault: 1.0"))
+	float Speed = 1.0f;
+
+	/** LLM model used by the agent (e.g. "gpt-4o-mini", "claude-3-5-sonnet").
+	 *  Managed by the LLM picker dropdown.
+	 *  Leave empty for ElevenLabs default. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voice",
+		meta = (ToolTip = "LLM model.\nManaged by the LLM picker dropdown."))
+	FString LLMModel = TEXT("gemini-2.5-flash");
+
+	/** Agent language code (e.g. "en", "fr", "ja").
+	 *  Managed by the Language picker dropdown.
+	 *  Controls STT and TTS language selection on ElevenLabs. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voice",
+		meta = (ToolTip = "Language code.\nManaged by the Language picker dropdown."))
+	FString Language = TEXT("en");
+
+	/** Enable multilingual mode: the agent dynamically adapts to whatever
+	 *  language the user speaks in, switching seamlessly mid-conversation.
+	 *  Requires a multilingual TTS model (e.g. eleven_multilingual_v2 or eleven_turbo_v2_5).
+	 *  When enabled, the fixed language instruction (bAutoLanguageInstruction) is replaced
+	 *  by a multilingual prompt that tells the LLM to mirror the user's language.
+	 *  The Language field still serves as the default/fallback for STT. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voice",
+		meta = (ToolTip = "Allow the agent to switch languages dynamically.\nThe agent responds in whatever language the user speaks.\nRequires a multilingual TTS model (turbo_v2_5, multilingual_v2, flash_v2_5)."))
+	bool bMultilingual = false;
+
+	/** Prompt fragment appended when bMultilingual is true.
+	 *  Instructs the LLM to mirror the user's language. Editable for customization. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voice",
+		meta = (MultiLine = "true", EditCondition = "bMultilingual",
+		ToolTip = "Prompt instructions for multilingual behavior.\nAppended when bMultilingual is true."))
+	FString MultilingualPromptFragment = TEXT(
+		"## Language\n"
+		"You are multilingual. ALWAYS respond in the same language the user is speaking. "
+		"If the user switches language mid-conversation, switch with them immediately. "
+		"Match the user's language exactly — do not default to English. "
+		"If the user has not spoken yet, use the language of your first message.");
+
+	/** Append a language instruction to the system prompt when not English.
+	 *  Ensures the LLM generates text in the correct language.
+	 *  The Language field controls STT/TTS, but NOT the LLM output language.
+	 *  Without this, the LLM may default to English for follow-up messages.
+	 *  Ignored when bMultilingual is true (multilingual prompt takes priority). */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voice",
+		meta = (EditCondition = "!bMultilingual",
+		ToolTip = "Append a language instruction for non-English agents.\nThe Language field only controls STT/TTS, not the LLM output.\nIgnored when Multilingual is enabled."))
+	bool bAutoLanguageInstruction = true;
+
+	/** Prompt fragment appended when bAutoLanguageInstruction is true and language is not English.
+	 *  Use {Language} as a placeholder — it will be replaced by the language name (e.g. "French").
+	 *  Pre-filled with a standard instruction. Editable for customization. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voice",
+		meta = (MultiLine = "true",
+		EditCondition = "bAutoLanguageInstruction && !bMultilingual",
+		ToolTip = "Prompt instruction for fixed-language mode.\n{Language} is replaced by the selected language name.\nAppended when language is not English."))
+	FString LanguagePromptFragment = TEXT(
+		"## Language\n"
+		"You MUST always respond in {Language}. "
+		"Never switch to any other language, "
+		"even for follow-up messages or when the user is silent.");
+
+	// ── Behavior ─────────────────────────────────────────────────────────────
+
+	/** Character-specific prompt describing THIS agent's personality and context.
+	 *  This is YOUR prompt — write what makes this character unique.
+	 *  The emotion tool instructions are appended automatically if enabled. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Behavior",
+		meta = (MultiLine = "true",
+		ToolTip = "Character-specific prompt.\nDescribe the character's personality, backstory, and behavior.\nEmotion tool instructions are appended automatically if enabled."))
+	FString CharacterPrompt;
+
+	/** First message the agent says when the conversation starts.
+	 *  Leave empty to let the agent wait for the user to speak first. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Behavior",
+		meta = (ToolTip = "Agent's opening message.\nLeave empty for no greeting."))
+	FString FirstMessage;
+
+	/** Disable the idle follow-up behavior where the agent automatically speaks again
+	 *  if the user remains silent after the greeting / last response.
+	 *  When enabled: sets turn_timeout to -1 (infinite wait) so the agent
+	 *  waits indefinitely for the user to speak first. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voice",
+		meta = (ToolTip = "Prevent the agent from speaking again unprompted.\nSets turn_timeout to -1 (infinite wait).\nUseful when you want the player to initiate the conversation."))
+	bool bDisableIdleFollowUp = false;
+
+	/** Time (seconds) the agent waits for the user to speak before re-engaging.
+	 *  ElevenLabs API: conversation_config.turn.turn_timeout.
+	 *  Range: 1–30 seconds. Default: 7. -1 = wait indefinitely.
+	 *  Higher values make the agent more patient.
+	 *  When bDisableIdleFollowUp is true, this is overridden to -1 (infinite). */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voice",
+		meta = (DisplayName = "Follow-up Timeout",
+		ClampMin = "-1.0", ClampMax = "30.0",
+		EditCondition = "!bDisableIdleFollowUp",
+		ToolTip = "Seconds before the agent speaks again if the user is silent.\nRange: 1-30. Default: 7. -1 = wait indefinitely.\nWhen 'Disable Idle Follow-up' is on, forced to -1 (infinite)."))
+	float TurnTimeout = 7.0f;
+
+	/** Maximum number of turns in a conversation. 0 = unlimited. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voice",
+		meta = (ClampMin = "0",
+		ToolTip = "Max conversation turns.\n0 = unlimited."))
+	int32 MaxTurns = 0;
+
+	// ── Emotion Tool ─────────────────────────────────────────────────────────
+
+	/** Include the built-in "set_emotion" client tool in the agent configuration.
+	 *  Allows the LLM to set facial expressions (Joy, Sadness, Anger, etc.)
+	 *  that drive the FacialExpression component in real-time. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Emotion Tool",
+		meta = (ToolTip = "Include the set_emotion client tool.\nAllows the LLM to drive facial expressions."))
+	bool bIncludeEmotionTool = true;
+
+	/** System prompt fragment appended to CharacterPrompt when bIncludeEmotionTool is true.
+	 *  Pre-filled with the standard emotion instruction. Editable for customization. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Emotion Tool",
+		meta = (MultiLine = "true", EditCondition = "bIncludeEmotionTool",
+		ToolTip = "Prompt instructions for the emotion tool.\nAppended to CharacterPrompt when creating/updating the agent."))
+	FString EmotionToolPromptFragment = TEXT(
+		"## Facial Expressions\n"
+		"You have a set_emotion tool to control your facial expression. "
+		"Use it whenever the emotional context changes:\n"
+		"- Call set_emotion with emotion=\"joy\" when happy, laughing, or excited\n"
+		"- Call set_emotion with emotion=\"sadness\" when empathetic or discussing sad topics\n"
+		"- Call set_emotion with emotion=\"anger\" when frustrated or discussing injustice\n"
+		"- Call set_emotion with emotion=\"surprise\" when reacting to unexpected information\n"
+		"- Call set_emotion with emotion=\"fear\" when discussing scary or worrying topics\n"
+		"- Call set_emotion with emotion=\"disgust\" when reacting to unpleasant things\n"
+		"- Call set_emotion with emotion=\"neutral\" to return to a calm expression\n\n"
+		"Use intensity to match the strength of the emotion:\n"
+		"- \"low\" for subtle hints (slight smile, mild concern)\n"
+		"- \"medium\" for normal expression (default)\n"
+		"- \"high\" for strong reactions (big laugh, deep sadness, shock)\n\n"
+		"Always return to neutral when the emotional moment passes.");
+
+	// ── Dynamic Variables ────────────────────────────────────────────────────
+
+	/** Key-value pairs sent as dynamic_variables at conversation start.
+	 *  Referenced in the system prompt as {{variable_name}}. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Dynamic Variables",
+		meta = (ToolTip = "Dynamic variables available in the system prompt as {{key}}.\nSent at conversation start."))
+	TMap<FString, FString> DefaultDynamicVariables;
+
+	// ── Metadata (read-only, populated by API) ───────────────────────────────
+
+	/** Timestamp of last API sync (ISO 8601). */
+	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "Metadata",
+		meta = (ToolTip = "When this asset was last synced with ElevenLabs."))
+	FString LastSyncTimestamp;
+};

Unreal/PS_AI_Agent/Plugins/PS_AI_ConvAgent/Source/PS_AI_ConvAgent/Public/PS_AI_ConvAgent_ElevenLabsComponent.h

@@ -14,6 +14,7 @@
 class UAudioComponent;
 class USoundAttenuation;
 class UPS_AI_ConvAgent_MicrophoneCaptureComponent;
+class UPS_AI_ConvAgent_AgentConfig_ElevenLabs;
 class APlayerController;
 
 // ─────────────────────────────────────────────────────────────────────────────
@@ -110,9 +111,17 @@ public:
 
 	// ── Configuration ─────────────────────────────────────────────────────────
 
-	/** ElevenLabs Agent ID used for this conversation. Leave empty to use the default from Project Settings > PS AI ConvAgent - ElevenLabs. */
+	/** Agent configuration data asset.
+	 *  When set, the AgentID is resolved from this asset at conversation start.
+	 *  Create one via Content Browser → right-click → Miscellaneous → PS AI ConvAgent Agent Config. */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "PS AI ConvAgent|ElevenLabs",
-		meta = (ToolTip = "ElevenLabs Agent ID. Leave empty to use the project default from Project Settings."))
+		meta = (ToolTip = "Agent configuration data asset.\nOverrides the AgentID string below when set."))
+	TObjectPtr<UPS_AI_ConvAgent_AgentConfig_ElevenLabs> AgentConfig;
+
+	/** ElevenLabs Agent ID used for this conversation. Leave empty to use the default from Project Settings > PS AI ConvAgent - ElevenLabs.
+	 *  Overridden by AgentConfig if set. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "PS AI ConvAgent|ElevenLabs",
+		meta = (ToolTip = "ElevenLabs Agent ID. Leave empty to use the project default from Project Settings.\nOverridden by AgentConfig if set."))
 	FString AgentID;
 
 	/** How turn-taking is managed between the user and the agent.\n- Server VAD (recommended): ElevenLabs automatically detects when the user stops speaking.\n- Client Controlled: You manually call StartListening/StopListening (push-to-talk with a key). */

Unreal/PS_AI_Agent/Plugins/PS_AI_ConvAgent/Source/PS_AI_ConvAgent/Public/PS_AI_ConvAgent_InteractionComponent.h

@@ -114,6 +114,18 @@ public:
 		ToolTip = "Seconds to wait before the agent stops looking at the pawn.\n0 = immediate."))
 	float PostureDetachDelay = 0.0f;
 
+	// ── Conversation management ──────────────────────────────────────────────
+
+	/** Automatically start the WebSocket conversation when an agent is selected
+	 *  (enters range + view cone). When false, selecting an agent only manages
+	 *  posture and visual awareness — the conversation must be started explicitly
+	 *  via StartConversationWithSelectedAgent() (e.g. on a key press).
+	 *  Set to false when you have multiple agents in a scene to prevent them
+	 *  all from greeting the player simultaneously. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "PS AI ConvAgent|Interaction",
+		meta = (ToolTip = "Auto-start the WebSocket when an agent is selected by proximity.\nSet to false to require explicit interaction (call StartConversationWithSelectedAgent).\nUseful with multiple agents to prevent simultaneous greetings."))
+	bool bAutoStartConversation = true;
+
 	// ── Listening management ─────────────────────────────────────────────────
 
 	/** Automatically call StartListening/StopListening on the agent's
@@ -163,6 +175,14 @@ public:
 	UFUNCTION(BlueprintCallable, Category = "PS AI ConvAgent|Interaction")
 	void ForceSelectAgent(UPS_AI_ConvAgent_ElevenLabsComponent* Agent);
 
+	/** Start the WebSocket conversation with the currently selected agent.
+	 *  Use this when bAutoStartConversation is false and the player explicitly
+	 *  interacts (e.g. presses a key, enters a trigger zone).
+	 *  Does nothing if no agent is selected or the agent is already connected.
+	 *  Also starts mic capture and listening automatically. */
+	UFUNCTION(BlueprintCallable, Category = "PS AI ConvAgent|Interaction")
+	void StartConversationWithSelectedAgent();
+
 	/** Clear the current selection. Automatic selection resumes next tick. */
 	UFUNCTION(BlueprintCallable, Category = "PS AI ConvAgent|Interaction")
 	void ClearSelection();

Unreal/PS_AI_Agent/Plugins/PS_AI_ConvAgent/Source/PS_AI_ConvAgentEditor/PS_AI_ConvAgentEditor.Build.cs

@@ -22,5 +22,17 @@ public class PS_AI_ConvAgentEditor : ModuleRules
 			// Runtime module containing FAnimNode_PS_AI_ConvAgent_LipSync
 			"PS_AI_ConvAgent",
 		});
+
+		PrivateDependencyModuleNames.AddRange(new string[]
+		{
+			// Slate UI for Detail Customization
+			"Slate",
+			"SlateCore",
+			"PropertyEditor",
+			// HTTP requests for ElevenLabs API (voice list, agent CRUD)
+			"HTTP",
+			"Json",
+			"JsonUtilities",
+		});
 	}
 }

Unreal/PS_AI_Agent/Plugins/PS_AI_ConvAgent/Source/PS_AI_ConvAgentEditor/Private/PS_AI_ConvAgentEditorModule.cpp

@@ -1,16 +1,39 @@
 // Copyright ASTERION. All Rights Reserved.
 
 #include "Modules/ModuleManager.h"
+#include "PropertyEditorModule.h"
+#include "PS_AI_ConvAgent_AgentConfig_ElevenLabs.h"
+#include "PS_AI_ConvAgent_AgentConfigCustomization_ElevenLabs.h"
 
 /**
  * Editor module for PS_AI_ConvAgent plugin.
- * Provides AnimGraph node(s) for the PS AI ConvAgent Lip Sync system.
+ * Provides AnimGraph nodes, asset factories, and Detail Customizations.
  */
 class FPS_AI_ConvAgentEditorModule : public IModuleInterface
 {
 public:
-	virtual void StartupModule() override {}
+	virtual void StartupModule() override
-	virtual void ShutdownModule() override {}
+	{
+		FPropertyEditorModule& PropertyModule =
+			FModuleManager::LoadModuleChecked<FPropertyEditorModule>("PropertyEditor");
+
+		PropertyModule.RegisterCustomClassLayout(
+			UPS_AI_ConvAgent_AgentConfig_ElevenLabs::StaticClass()->GetFName(),
+			FOnGetDetailCustomizationInstance::CreateStatic(
+				&FPS_AI_ConvAgent_AgentConfigCustomization_ElevenLabs::MakeInstance));
+	}
+
+	virtual void ShutdownModule() override
+	{
+		if (FModuleManager::Get().IsModuleLoaded("PropertyEditor"))
+		{
+			FPropertyEditorModule& PropertyModule =
+				FModuleManager::GetModuleChecked<FPropertyEditorModule>("PropertyEditor");
+
+			PropertyModule.UnregisterCustomClassLayout(
+				UPS_AI_ConvAgent_AgentConfig_ElevenLabs::StaticClass()->GetFName());
+		}
+	}
 };
 
 IMPLEMENT_MODULE(FPS_AI_ConvAgentEditorModule, PS_AI_ConvAgentEditor)

Unreal/PS_AI_Agent/Plugins/PS_AI_ConvAgent/Source/PS_AI_ConvAgentEditor/Private/PS_AI_ConvAgent_AgentConfigCustomization_ElevenLabs.h

@@ -0,0 +1,95 @@
+// Copyright ASTERION. All Rights Reserved.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "IDetailCustomization.h"
+
+class IDetailLayoutBuilder;
+
+/**
+ * Detail Customization for UPS_AI_ConvAgent_AgentConfig_ElevenLabs data assets.
+ *
+ * Provides:
+ *   - Voice category: "Fetch Voices" button + STextComboBox dropdown
+ *   - Voice category: "Fetch Models" button + STextComboBox dropdown
+ *   - Behavior category: LLM picker with "Fetch" button + STextComboBox dropdown
+ *   - Behavior category: Language picker dropdown (static list)
+ *   - Identity category: "Create Agent" / "Update Agent" / "Fetch Agent" buttons + status text
+ *   - Hidden properties: VoiceID, VoiceName, TTSModelID, LLMModel, Language (managed by dropdowns)
+ */
+class FPS_AI_ConvAgent_AgentConfigCustomization_ElevenLabs : public IDetailCustomization
+{
+public:
+	static TSharedRef<IDetailCustomization> MakeInstance();
+
+	virtual void CustomizeDetails(IDetailLayoutBuilder& DetailBuilder) override;
+
+private:
+	// ── Voice picker ─────────────────────────────────────────────────────────
+	void OnFetchVoicesClicked();
+	void OnVoiceSelected(TSharedPtr<FString> NewSelection, ESelectInfo::Type SelectInfo);
+
+	// ── Model picker ─────────────────────────────────────────────────────────
+	void OnFetchModelsClicked();
+	void OnModelSelected(TSharedPtr<FString> NewSelection, ESelectInfo::Type SelectInfo);
+
+	// ── LLM picker ──────────────────────────────────────────────────────────
+	void OnFetchLLMsClicked();
+	void OnLLMSelected(TSharedPtr<FString> NewSelection, ESelectInfo::Type SelectInfo);
+
+	// ── Language picker ──────────────────────────────────────────────────────
+	void OnFetchLanguagesClicked();
+	void OnLanguageSelected(TSharedPtr<FString> NewSelection, ESelectInfo::Type SelectInfo);
+
+	// ── Agent API ────────────────────────────────────────────────────────────
+	void OnCreateAgentClicked();
+	void OnUpdateAgentClicked();
+	void OnFetchAgentClicked();
+
+	// ── Helpers ──────────────────────────────────────────────────────────────
+	FString GetAPIKey() const;
+	TSharedPtr<FJsonObject> BuildAgentPayload() const;
+	TSharedPtr<FJsonObject> BuildEmotionToolDefinition() const;
+
+	/** Display a status message in the Identity category.
+	 *  Color: red for errors, green for success, blue/cyan for info. */
+	void SetStatusText(const FString& Text);
+	void SetStatusError(const FString& Text);
+	void SetStatusSuccess(const FString& Text);
+
+	/** Parse ElevenLabs API error JSON and return a human-readable message. */
+	static FString ParseAPIError(int32 HttpCode, const FString& ResponseBody);
+
+	/** Retrieve the data asset being edited (first selected object). */
+	class UPS_AI_ConvAgent_AgentConfig_ElevenLabs* GetEditedAsset() const;
+
+	// ── Cached state ─────────────────────────────────────────────────────────
+	TArray<TWeakObjectPtr<UObject>> SelectedObjects;
+
+	// Voice combo data
+	TArray<TSharedPtr<FString>> VoiceDisplayNames;
+	TArray<FString> VoiceIDs;
+	TSharedPtr<class STextComboBox> VoiceComboBox;
+
+	// Model combo data
+	TArray<TSharedPtr<FString>> ModelDisplayNames;
+	TArray<FString> ModelIDs;
+	TSharedPtr<class STextComboBox> ModelComboBox;
+
+	// LLM combo data
+	TArray<TSharedPtr<FString>> LLMDisplayNames;
+	TArray<FString> LLMModelIDs;
+	TSharedPtr<class STextComboBox> LLMComboBox;
+
+	// Language combo data
+	TArray<TSharedPtr<FString>> LanguageDisplayNames;
+	TArray<FString> LanguageCodes;
+	TSharedPtr<class STextComboBox> LanguageComboBox;
+
+	// Status feedback
+	TSharedPtr<class STextBlock> StatusTextBlock;
+
+	// Guard: prevents infinite auto-fetch loop when PostEditChange re-triggers CustomizeDetails.
+	bool bAutoFetchDone = false;
+};

Unreal/PS_AI_Agent/Plugins/PS_AI_ConvAgent/Source/PS_AI_ConvAgentEditor/Private/PS_AI_ConvAgent_AgentConfigFactory_ElevenLabs.cpp

@@ -0,0 +1,29 @@
+// Copyright ASTERION. All Rights Reserved.
+
+#include "PS_AI_ConvAgent_AgentConfigFactory_ElevenLabs.h"
+#include "PS_AI_ConvAgent_AgentConfig_ElevenLabs.h"
+#include "AssetTypeCategories.h"
+
+UPS_AI_ConvAgent_AgentConfigFactory_ElevenLabs::UPS_AI_ConvAgent_AgentConfigFactory_ElevenLabs()
+{
+	SupportedClass = UPS_AI_ConvAgent_AgentConfig_ElevenLabs::StaticClass();
+	bCreateNew = true;
+	bEditAfterNew = true;
+}
+
+UObject* UPS_AI_ConvAgent_AgentConfigFactory_ElevenLabs::FactoryCreateNew(
+	UClass* Class, UObject* InParent, FName Name, EObjectFlags Flags,
+	UObject* Context, FFeedbackContext* Warn)
+{
+	return NewObject<UPS_AI_ConvAgent_AgentConfig_ElevenLabs>(InParent, Class, Name, Flags);
+}
+
+FText UPS_AI_ConvAgent_AgentConfigFactory_ElevenLabs::GetDisplayName() const
+{
+	return FText::FromString(TEXT("PS AI ConvAgent Agent Config (ElevenLabs)"));
+}
+
+uint32 UPS_AI_ConvAgent_AgentConfigFactory_ElevenLabs::GetMenuCategories() const
+{
+	return EAssetTypeCategories::Misc;
+}

Unreal/PS_AI_Agent/Plugins/PS_AI_ConvAgent/Source/PS_AI_ConvAgentEditor/Private/PS_AI_ConvAgent_AgentConfigFactory_ElevenLabs.h

@@ -0,0 +1,27 @@
+// Copyright ASTERION. All Rights Reserved.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Factories/Factory.h"
+#include "PS_AI_ConvAgent_AgentConfigFactory_ElevenLabs.generated.h"
+
+/**
+ * Factory that lets users create PS_AI_ConvAgent_AgentConfig_ElevenLabs assets
+ * directly from the Content Browser (right-click → Miscellaneous).
+ */
+UCLASS()
+class UPS_AI_ConvAgent_AgentConfigFactory_ElevenLabs : public UFactory
+{
+	GENERATED_BODY()
+
+public:
+	UPS_AI_ConvAgent_AgentConfigFactory_ElevenLabs();
+
+	virtual UObject* FactoryCreateNew(UClass* Class, UObject* InParent,
+		FName Name, EObjectFlags Flags, UObject* Context,
+		FFeedbackContext* Warn) override;
+
+	virtual FText GetDisplayName() const override;
+	virtual uint32 GetMenuCategories() const override;
+};