Merge branch 'hackathon-copilot-backend' of github.com:Significant-Gravitas/AutoGPT into hackathon-copilot-backend

- Update get_user_sessions to return tuple of (sessions, total_count)
- total_count now reflects overall user session count, not page size
- Add graceful error handling when Langfuse is not configured
- Fix session title field in list response (was hardcoded to None)

autogpt_platform/Makefile

@@ -6,9 +6,10 @@ start-core:
 
 # Stop core services
 stop-core:
-	docker compose stop deps
+	docker compose stop 
 
 reset-db:
+	docker compose stop db
 	rm -rf db/docker/volumes/db/data
 	cd backend && poetry run prisma migrate deploy
 	cd backend && poetry run prisma generate
@@ -60,4 +61,4 @@ help:
 	@echo "  run-backend - Run the backend FastAPI server"
 	@echo "  run-frontend - Run the frontend Next.js development server"
 	@echo "  test-data - Run the test data creator"
-	@echo "  load-store-agents - Load store agents from agents/ folder into test database"
+	@echo "  load-store-agents - Load store agents from agents/ folder into test database"

autogpt_platform/backend/.env.default

@@ -58,6 +58,13 @@ V0_API_KEY=
 OPEN_ROUTER_API_KEY=
 NVIDIA_API_KEY=
 
+# Langfuse Prompt Management
+# Used for managing the CoPilot system prompt externally
+# Get credentials from https://cloud.langfuse.com or your self-hosted instance
+LANGFUSE_PUBLIC_KEY=
+LANGFUSE_SECRET_KEY=
+LANGFUSE_HOST=https://cloud.langfuse.com
+
 # OAuth Credentials
 # For the OAuth callback URL, use <your_frontend_url>/auth/integrations/oauth_callback,
 # e.g. http://localhost:3000/auth/integrations/oauth_callback

autogpt_platform/backend/backend/api/features/chat/config.py

@@ -1,7 +1,6 @@
 """Configuration management for chat system."""
 
 import os
-from pathlib import Path
 
 from pydantic import Field, field_validator
 from pydantic_settings import BaseSettings
@@ -12,7 +11,11 @@ class ChatConfig(BaseSettings):
 
     # OpenAI API Configuration
     model: str = Field(
-        default="qwen/qwen3-235b-a22b-2507", description="Default model to use"
+        default="anthropic/claude-opus-4.5", description="Default model to use"
+    )
+    title_model: str = Field(
+        default="openai/gpt-4o-mini",
+        description="Model to use for generating session titles (should be fast/cheap)",
     )
     api_key: str | None = Field(default=None, description="OpenAI API key")
     base_url: str | None = Field(
@@ -23,12 +26,6 @@ class ChatConfig(BaseSettings):
     # Session TTL Configuration - 12 hours
     session_ttl: int = Field(default=43200, description="Session TTL in seconds")
 
-    # System Prompt Configuration
-    system_prompt_path: str = Field(
-        default="prompts/chat_system.md",
-        description="Path to system prompt file relative to chat module",
-    )
-
     # Streaming Configuration
     max_context_messages: int = Field(
         default=50, ge=1, le=200, description="Maximum context messages"
@@ -41,6 +38,13 @@ class ChatConfig(BaseSettings):
         default=3, description="Maximum number of agent schedules"
     )
 
+    # Langfuse Prompt Management Configuration
+    # Note: Langfuse credentials are in Settings().secrets (settings.py)
+    langfuse_prompt_name: str = Field(
+        default="CoPilot Prompt",
+        description="Name of the prompt in Langfuse to fetch",
+    )
+
     @field_validator("api_key", mode="before")
     @classmethod
     def get_api_key(cls, v):
@@ -72,43 +76,11 @@ class ChatConfig(BaseSettings):
                 v = "https://openrouter.ai/api/v1"
         return v
 
-    def get_system_prompt(self, **template_vars) -> str:
-        """Load and render the system prompt from file.
-
-        Args:
-            **template_vars: Variables to substitute in the template
-
-        Returns:
-            Rendered system prompt string
-
-        """
-        # Get the path relative to this module
-        module_dir = Path(__file__).parent
-        prompt_path = module_dir / self.system_prompt_path
-
-        # Check for .j2 extension first (Jinja2 template)
-        j2_path = Path(str(prompt_path) + ".j2")
-        if j2_path.exists():
-            try:
-                from jinja2 import Template
-
-                template = Template(j2_path.read_text())
-                return template.render(**template_vars)
-            except ImportError:
-                # Jinja2 not installed, fall back to reading as plain text
-                return j2_path.read_text()
-
-        # Check for markdown file
-        if prompt_path.exists():
-            content = prompt_path.read_text()
-
-            # Simple variable substitution if Jinja2 is not available
-            for key, value in template_vars.items():
-                placeholder = f"{{{key}}}"
-                content = content.replace(placeholder, str(value))
-
-            return content
-        raise FileNotFoundError(f"System prompt file not found: {prompt_path}")
+    # Prompt paths for different contexts
+    PROMPT_PATHS: dict[str, str] = {
+        "default": "prompts/chat_system.md",
+        "onboarding": "prompts/onboarding_system.md",
+    }
 
     class Config:
         """Pydantic config."""

autogpt_platform/backend/backend/api/features/chat/db.py

@@ -0,0 +1,249 @@
+"""Database operations for chat sessions."""
+
+import asyncio
+import logging
+from datetime import UTC, datetime
+from typing import Any, cast
+
+from prisma.models import ChatMessage as PrismaChatMessage
+from prisma.models import ChatSession as PrismaChatSession
+from prisma.types import (
+    ChatMessageCreateInput,
+    ChatSessionCreateInput,
+    ChatSessionUpdateInput,
+    ChatSessionWhereInput,
+)
+
+from backend.data.db import transaction
+from backend.util.json import SafeJson
+
+logger = logging.getLogger(__name__)
+
+
+async def get_chat_session(session_id: str) -> PrismaChatSession | None:
+    """Get a chat session by ID from the database."""
+    session = await PrismaChatSession.prisma().find_unique(
+        where={"id": session_id},
+        include={"Messages": True},
+    )
+    if session and session.Messages:
+        # Sort messages by sequence in Python - Prisma Python client doesn't support
+        # order_by in include clauses (unlike Prisma JS), so we sort after fetching
+        session.Messages.sort(key=lambda m: m.sequence)
+    return session
+
+
+async def create_chat_session(
+    session_id: str,
+    user_id: str | None,
+) -> PrismaChatSession:
+    """Create a new chat session in the database."""
+    data = ChatSessionCreateInput(
+        id=session_id,
+        userId=user_id,
+        credentials=SafeJson({}),
+        successfulAgentRuns=SafeJson({}),
+        successfulAgentSchedules=SafeJson({}),
+    )
+    return await PrismaChatSession.prisma().create(
+        data=data,
+        include={"Messages": True},
+    )
+
+
+async def update_chat_session(
+    session_id: str,
+    credentials: dict[str, Any] | None = None,
+    successful_agent_runs: dict[str, Any] | None = None,
+    successful_agent_schedules: dict[str, Any] | None = None,
+    total_prompt_tokens: int | None = None,
+    total_completion_tokens: int | None = None,
+    title: str | None = None,
+) -> PrismaChatSession | None:
+    """Update a chat session's metadata."""
+    data: ChatSessionUpdateInput = {"updatedAt": datetime.now(UTC)}
+
+    if credentials is not None:
+        data["credentials"] = SafeJson(credentials)
+    if successful_agent_runs is not None:
+        data["successfulAgentRuns"] = SafeJson(successful_agent_runs)
+    if successful_agent_schedules is not None:
+        data["successfulAgentSchedules"] = SafeJson(successful_agent_schedules)
+    if total_prompt_tokens is not None:
+        data["totalPromptTokens"] = total_prompt_tokens
+    if total_completion_tokens is not None:
+        data["totalCompletionTokens"] = total_completion_tokens
+    if title is not None:
+        data["title"] = title
+
+    session = await PrismaChatSession.prisma().update(
+        where={"id": session_id},
+        data=data,
+        include={"Messages": True},
+    )
+    if session and session.Messages:
+        # Sort in Python - Prisma Python doesn't support order_by in include clauses
+        session.Messages.sort(key=lambda m: m.sequence)
+    return session
+
+
+async def add_chat_message(
+    session_id: str,
+    role: str,
+    sequence: int,
+    content: str | None = None,
+    name: str | None = None,
+    tool_call_id: str | None = None,
+    refusal: str | None = None,
+    tool_calls: list[dict[str, Any]] | None = None,
+    function_call: dict[str, Any] | None = None,
+) -> PrismaChatMessage:
+    """Add a message to a chat session."""
+    # Build input dict dynamically rather than using ChatMessageCreateInput directly
+    # because Prisma's TypedDict validation rejects optional fields set to None.
+    # We only include fields that have values, then cast at the end.
+    data: dict[str, Any] = {
+        "Session": {"connect": {"id": session_id}},
+        "role": role,
+        "sequence": sequence,
+    }
+
+    # Add optional string fields
+    if content is not None:
+        data["content"] = content
+    if name is not None:
+        data["name"] = name
+    if tool_call_id is not None:
+        data["toolCallId"] = tool_call_id
+    if refusal is not None:
+        data["refusal"] = refusal
+
+    # Add optional JSON fields only when they have values
+    if tool_calls is not None:
+        data["toolCalls"] = SafeJson(tool_calls)
+    if function_call is not None:
+        data["functionCall"] = SafeJson(function_call)
+
+    # Run message create and session timestamp update in parallel for lower latency
+    _, message = await asyncio.gather(
+        PrismaChatSession.prisma().update(
+            where={"id": session_id},
+            data={"updatedAt": datetime.now(UTC)},
+        ),
+        PrismaChatMessage.prisma().create(data=cast(ChatMessageCreateInput, data)),
+    )
+    return message
+
+
+async def add_chat_messages_batch(
+    session_id: str,
+    messages: list[dict[str, Any]],
+    start_sequence: int,
+) -> list[PrismaChatMessage]:
+    """Add multiple messages to a chat session in a batch.
+
+    Uses a transaction for atomicity - if any message creation fails,
+    the entire batch is rolled back.
+    """
+    if not messages:
+        return []
+
+    created_messages = []
+
+    async with transaction() as tx:
+        for i, msg in enumerate(messages):
+            # Build input dict dynamically rather than using ChatMessageCreateInput
+            # directly because Prisma's TypedDict validation rejects optional fields
+            # set to None. We only include fields that have values, then cast.
+            data: dict[str, Any] = {
+                "Session": {"connect": {"id": session_id}},
+                "role": msg["role"],
+                "sequence": start_sequence + i,
+            }
+
+            # Add optional string fields
+            if msg.get("content") is not None:
+                data["content"] = msg["content"]
+            if msg.get("name") is not None:
+                data["name"] = msg["name"]
+            if msg.get("tool_call_id") is not None:
+                data["toolCallId"] = msg["tool_call_id"]
+            if msg.get("refusal") is not None:
+                data["refusal"] = msg["refusal"]
+
+            # Add optional JSON fields only when they have values
+            if msg.get("tool_calls") is not None:
+                data["toolCalls"] = SafeJson(msg["tool_calls"])
+            if msg.get("function_call") is not None:
+                data["functionCall"] = SafeJson(msg["function_call"])
+
+            created = await PrismaChatMessage.prisma(tx).create(
+                data=cast(ChatMessageCreateInput, data)
+            )
+            created_messages.append(created)
+
+        # Update session's updatedAt timestamp within the same transaction.
+        # Note: Token usage (total_prompt_tokens, total_completion_tokens) is updated
+        # separately via update_chat_session() after streaming completes.
+        await PrismaChatSession.prisma(tx).update(
+            where={"id": session_id},
+            data={"updatedAt": datetime.now(UTC)},
+        )
+
+    return created_messages
+
+
+async def get_user_chat_sessions(
+    user_id: str,
+    limit: int = 50,
+    offset: int = 0,
+) -> list[PrismaChatSession]:
+    """Get chat sessions for a user, ordered by most recent."""
+    return await PrismaChatSession.prisma().find_many(
+        where={"userId": user_id},
+        order={"updatedAt": "desc"},
+        take=limit,
+        skip=offset,
+    )
+
+
+async def get_user_session_count(user_id: str) -> int:
+    """Get the total number of chat sessions for a user."""
+    return await PrismaChatSession.prisma().count(where={"userId": user_id})
+
+
+async def delete_chat_session(session_id: str, user_id: str | None = None) -> bool:
+    """Delete a chat session and all its messages.
+
+    Args:
+        session_id: The session ID to delete.
+        user_id: If provided, validates that the session belongs to this user
+            before deletion. This prevents unauthorized deletion of other
+            users' sessions.
+
+    Returns:
+        True if deleted successfully, False otherwise.
+    """
+    try:
+        # Build typed where clause with optional user_id validation
+        where_clause: ChatSessionWhereInput = {"id": session_id}
+        if user_id is not None:
+            where_clause["userId"] = user_id
+
+        result = await PrismaChatSession.prisma().delete_many(where=where_clause)
+        if result == 0:
+            logger.warning(
+                f"No session deleted for {session_id} "
+                f"(user_id validation: {user_id is not None})"
+            )
+            return False
+        return True
+    except Exception as e:
+        logger.error(f"Failed to delete chat session {session_id}: {e}")
+        return False
+
+
+async def get_chat_session_message_count(session_id: str) -> int:
+    """Get the number of messages in a chat session."""
+    count = await PrismaChatMessage.prisma().count(where={"sessionId": session_id})
+    return count

autogpt_platform/backend/backend/api/features/chat/model.py

@@ -1,6 +1,9 @@
+import asyncio
 import logging
 import uuid
 from datetime import UTC, datetime
+from typing import Any
+from weakref import WeakValueDictionary
 
 from openai.types.chat import (
     ChatCompletionAssistantMessageParam,
@@ -16,17 +19,63 @@ from openai.types.chat.chat_completion_message_tool_call_param import (
     ChatCompletionMessageToolCallParam,
     Function,
 )
+from prisma.models import ChatMessage as PrismaChatMessage
+from prisma.models import ChatSession as PrismaChatSession
 from pydantic import BaseModel
 
 from backend.data.redis_client import get_redis_async
-from backend.util.exceptions import RedisError
+from backend.util import json
+from backend.util.exceptions import DatabaseError, RedisError
 
+from . import db as chat_db
 from .config import ChatConfig
 
 logger = logging.getLogger(__name__)
 config = ChatConfig()
 
 
+def _parse_json_field(value: str | dict | list | None, default: Any = None) -> Any:
+    """Parse a JSON field that may be stored as string or already parsed."""
+    if value is None:
+        return default
+    if isinstance(value, str):
+        return json.loads(value)
+    return value
+
+
+# Redis cache key prefix for chat sessions
+CHAT_SESSION_CACHE_PREFIX = "chat:session:"
+
+
+def _get_session_cache_key(session_id: str) -> str:
+    """Get the Redis cache key for a chat session."""
+    return f"{CHAT_SESSION_CACHE_PREFIX}{session_id}"
+
+
+# Session-level locks to prevent race conditions during concurrent upserts.
+# Uses WeakValueDictionary to automatically garbage collect locks when no longer referenced,
+# preventing unbounded memory growth while maintaining lock semantics for active sessions.
+# Invalidation: Locks are auto-removed by GC when no coroutine holds a reference (after
+# async with lock: completes). Explicit cleanup also occurs in delete_chat_session().
+_session_locks: WeakValueDictionary[str, asyncio.Lock] = WeakValueDictionary()
+_session_locks_mutex = asyncio.Lock()
+
+
+async def _get_session_lock(session_id: str) -> asyncio.Lock:
+    """Get or create a lock for a specific session to prevent concurrent upserts.
+
+    Uses WeakValueDictionary for automatic cleanup: locks are garbage collected
+    when no coroutine holds a reference to them, preventing memory leaks from
+    unbounded growth of session locks.
+    """
+    async with _session_locks_mutex:
+        lock = _session_locks.get(session_id)
+        if lock is None:
+            lock = asyncio.Lock()
+            _session_locks[session_id] = lock
+        return lock
+
+
 class ChatMessage(BaseModel):
     role: str
     content: str | None = None
@@ -46,6 +95,7 @@ class Usage(BaseModel):
 class ChatSession(BaseModel):
     session_id: str
     user_id: str | None
+    title: str | None = None
     messages: list[ChatMessage]
     usage: list[Usage]
     credentials: dict[str, dict] = {}  # Map of provider -> credential metadata
@@ -59,6 +109,7 @@ class ChatSession(BaseModel):
         return ChatSession(
             session_id=str(uuid.uuid4()),
             user_id=user_id,
+            title=None,
             messages=[],
             usage=[],
             credentials={},
@@ -66,6 +117,61 @@ class ChatSession(BaseModel):
             updated_at=datetime.now(UTC),
         )
 
+    @staticmethod
+    def from_db(
+        prisma_session: PrismaChatSession,
+        prisma_messages: list[PrismaChatMessage] | None = None,
+    ) -> "ChatSession":
+        """Convert Prisma models to Pydantic ChatSession."""
+        messages = []
+        if prisma_messages:
+            for msg in prisma_messages:
+                messages.append(
+                    ChatMessage(
+                        role=msg.role,
+                        content=msg.content,
+                        name=msg.name,
+                        tool_call_id=msg.toolCallId,
+                        refusal=msg.refusal,
+                        tool_calls=_parse_json_field(msg.toolCalls),
+                        function_call=_parse_json_field(msg.functionCall),
+                    )
+                )
+
+        # Parse JSON fields from Prisma
+        credentials = _parse_json_field(prisma_session.credentials, default={})
+        successful_agent_runs = _parse_json_field(
+            prisma_session.successfulAgentRuns, default={}
+        )
+        successful_agent_schedules = _parse_json_field(
+            prisma_session.successfulAgentSchedules, default={}
+        )
+
+        # Calculate usage from token counts
+        usage = []
+        if prisma_session.totalPromptTokens or prisma_session.totalCompletionTokens:
+            usage.append(
+                Usage(
+                    prompt_tokens=prisma_session.totalPromptTokens or 0,
+                    completion_tokens=prisma_session.totalCompletionTokens or 0,
+                    total_tokens=(prisma_session.totalPromptTokens or 0)
+                    + (prisma_session.totalCompletionTokens or 0),
+                )
+            )
+
+        return ChatSession(
+            session_id=prisma_session.id,
+            user_id=prisma_session.userId,
+            title=prisma_session.title,
+            messages=messages,
+            usage=usage,
+            credentials=credentials,
+            started_at=prisma_session.createdAt,
+            updated_at=prisma_session.updatedAt,
+            successful_agent_runs=successful_agent_runs,
+            successful_agent_schedules=successful_agent_schedules,
+        )
+
     def to_openai_messages(self) -> list[ChatCompletionMessageParam]:
         messages = []
         for message in self.messages:
@@ -155,50 +261,332 @@ class ChatSession(BaseModel):
         return messages
 
 
-async def get_chat_session(
-    session_id: str,
-    user_id: str | None,
-) -> ChatSession | None:
-    """Get a chat session by ID."""
-    redis_key = f"chat:session:{session_id}"
+async def _get_session_from_cache(session_id: str) -> ChatSession | None:
+    """Get a chat session from Redis cache."""
+    redis_key = _get_session_cache_key(session_id)
     async_redis = await get_redis_async()
-
     raw_session: bytes | None = await async_redis.get(redis_key)
 
     if raw_session is None:
-        logger.warning(f"Session {session_id} not found in Redis")
         return None
 
     try:
         session = ChatSession.model_validate_json(raw_session)
+        logger.info(
+            f"Loading session {session_id} from cache: "
+            f"message_count={len(session.messages)}, "
+            f"roles={[m.role for m in session.messages]}"
+        )
+        return session
     except Exception as e:
         logger.error(f"Failed to deserialize session {session_id}: {e}", exc_info=True)
         raise RedisError(f"Corrupted session data for {session_id}") from e
 
+
+async def _cache_session(session: ChatSession) -> None:
+    """Cache a chat session in Redis."""
+    redis_key = _get_session_cache_key(session.session_id)
+    async_redis = await get_redis_async()
+    await async_redis.setex(redis_key, config.session_ttl, session.model_dump_json())
+
+
+async def _get_session_from_db(session_id: str) -> ChatSession | None:
+    """Get a chat session from the database."""
+    prisma_session = await chat_db.get_chat_session(session_id)
+    if not prisma_session:
+        return None
+
+    messages = prisma_session.Messages
+    logger.info(
+        f"Loading session {session_id} from DB: "
+        f"has_messages={messages is not None}, "
+        f"message_count={len(messages) if messages else 0}, "
+        f"roles={[m.role for m in messages] if messages else []}"
+    )
+
+    return ChatSession.from_db(prisma_session, messages)
+
+
+async def _save_session_to_db(
+    session: ChatSession, existing_message_count: int
+) -> None:
+    """Save or update a chat session in the database."""
+    # Check if session exists in DB
+    existing = await chat_db.get_chat_session(session.session_id)
+
+    if not existing:
+        # Create new session
+        await chat_db.create_chat_session(
+            session_id=session.session_id,
+            user_id=session.user_id,
+        )
+        existing_message_count = 0
+
+    # Calculate total tokens from usage
+    total_prompt = sum(u.prompt_tokens for u in session.usage)
+    total_completion = sum(u.completion_tokens for u in session.usage)
+
+    # Update session metadata
+    await chat_db.update_chat_session(
+        session_id=session.session_id,
+        credentials=session.credentials,
+        successful_agent_runs=session.successful_agent_runs,
+        successful_agent_schedules=session.successful_agent_schedules,
+        total_prompt_tokens=total_prompt,
+        total_completion_tokens=total_completion,
+    )
+
+    # Add new messages (only those after existing count)
+    new_messages = session.messages[existing_message_count:]
+    if new_messages:
+        messages_data = []
+        for msg in new_messages:
+            messages_data.append(
+                {
+                    "role": msg.role,
+                    "content": msg.content,
+                    "name": msg.name,
+                    "tool_call_id": msg.tool_call_id,
+                    "refusal": msg.refusal,
+                    "tool_calls": msg.tool_calls,
+                    "function_call": msg.function_call,
+                }
+            )
+        logger.info(
+            f"Saving {len(new_messages)} new messages to DB for session {session.session_id}: "
+            f"roles={[m['role'] for m in messages_data]}, "
+            f"start_sequence={existing_message_count}"
+        )
+        await chat_db.add_chat_messages_batch(
+            session_id=session.session_id,
+            messages=messages_data,
+            start_sequence=existing_message_count,
+        )
+
+
+async def get_chat_session(
+    session_id: str,
+    user_id: str | None = None,
+) -> ChatSession | None:
+    """Get a chat session by ID.
+
+    Checks Redis cache first, falls back to database if not found.
+    Caches database results back to Redis.
+    """
+    # Try cache first
+    try:
+        session = await _get_session_from_cache(session_id)
+        if session:
+            # Verify user ownership
+            if session.user_id is not None and session.user_id != user_id:
+                logger.warning(
+                    f"Session {session_id} user id mismatch: {session.user_id} != {user_id}"
+                )
+                return None
+            return session
+    except RedisError:
+        logger.warning(f"Cache error for session {session_id}, trying database")
+    except Exception as e:
+        logger.warning(f"Unexpected cache error for session {session_id}: {e}")
+
+    # Fall back to database
+    logger.info(f"Session {session_id} not in cache, checking database")
+    session = await _get_session_from_db(session_id)
+
+    if session is None:
+        logger.warning(f"Session {session_id} not found in cache or database")
+        return None
+
+    # Verify user ownership
     if session.user_id is not None and session.user_id != user_id:
         logger.warning(
             f"Session {session_id} user id mismatch: {session.user_id} != {user_id}"
         )
         return None
 
+    # Cache the session from DB
+    try:
+        await _cache_session(session)
+        logger.info(f"Cached session {session_id} from database")
+    except Exception as e:
+        logger.warning(f"Failed to cache session {session_id}: {e}")
+
     return session
 
 
 async def upsert_chat_session(
     session: ChatSession,
 ) -> ChatSession:
-    """Update a chat session with the given messages."""
+    """Update a chat session in both cache and database.
 
-    redis_key = f"chat:session:{session.session_id}"
+    Uses session-level locking to prevent race conditions when concurrent
+    operations (e.g., background title update and main stream handler)
+    attempt to upsert the same session simultaneously.
 
-    async_redis = await get_redis_async()
-    resp = await async_redis.setex(
-        redis_key, config.session_ttl, session.model_dump_json()
-    )
+    Raises:
+        DatabaseError: If the database write fails. The cache is still updated
+            as a best-effort optimization, but the error is propagated to ensure
+            callers are aware of the persistence failure.
+        RedisError: If the cache write fails (after successful DB write).
+    """
+    # Acquire session-specific lock to prevent concurrent upserts
+    lock = await _get_session_lock(session.session_id)
 
-    if not resp:
-        raise RedisError(
-            f"Failed to persist chat session {session.session_id} to Redis: {resp}"
+    async with lock:
+        # Get existing message count from DB for incremental saves
+        existing_message_count = await chat_db.get_chat_session_message_count(
+            session.session_id
         )
 
+        db_error: Exception | None = None
+
+        # Save to database (primary storage)
+        try:
+            await _save_session_to_db(session, existing_message_count)
+        except Exception as e:
+            logger.error(
+                f"Failed to save session {session.session_id} to database: {e}"
+            )
+            db_error = e
+
+        # Save to cache (best-effort, even if DB failed)
+        try:
+            await _cache_session(session)
+        except Exception as e:
+            # If DB succeeded but cache failed, raise cache error
+            if db_error is None:
+                raise RedisError(
+                    f"Failed to persist chat session {session.session_id} to Redis: {e}"
+                ) from e
+            # If both failed, log cache error but raise DB error (more critical)
+            logger.warning(
+                f"Cache write also failed for session {session.session_id}: {e}"
+            )
+
+        # Propagate DB error after attempting cache (prevents data loss)
+        if db_error is not None:
+            raise DatabaseError(
+                f"Failed to persist chat session {session.session_id} to database"
+            ) from db_error
+
+        return session
+
+
+async def create_chat_session(user_id: str | None = None) -> ChatSession:
+    """Create a new chat session and persist it.
+
+    Raises:
+        DatabaseError: If the database write fails. We fail fast to ensure
+            callers never receive a non-persisted session that only exists
+            in cache (which would be lost when the cache expires).
+    """
+    session = ChatSession.new(user_id)
+
+    # Create in database first - fail fast if this fails
+    try:
+        await chat_db.create_chat_session(
+            session_id=session.session_id,
+            user_id=user_id,
+        )
+    except Exception as e:
+        logger.error(f"Failed to create session {session.session_id} in database: {e}")
+        raise DatabaseError(
+            f"Failed to create chat session {session.session_id} in database"
+        ) from e
+
+    # Cache the session (best-effort optimization, DB is source of truth)
+    try:
+        await _cache_session(session)
+    except Exception as e:
+        logger.warning(f"Failed to cache new session {session.session_id}: {e}")
+
     return session
+
+
+async def get_user_sessions(
+    user_id: str,
+    limit: int = 50,
+    offset: int = 0,
+) -> tuple[list[ChatSession], int]:
+    """Get chat sessions for a user from the database with total count.
+
+    Returns:
+        A tuple of (sessions, total_count) where total_count is the overall
+        number of sessions for the user (not just the current page).
+    """
+    prisma_sessions = await chat_db.get_user_chat_sessions(user_id, limit, offset)
+    total_count = await chat_db.get_user_session_count(user_id)
+
+    sessions = []
+    for prisma_session in prisma_sessions:
+        # Convert without messages for listing (lighter weight)
+        sessions.append(ChatSession.from_db(prisma_session, None))
+
+    return sessions, total_count
+
+
+async def delete_chat_session(session_id: str, user_id: str | None = None) -> bool:
+    """Delete a chat session from both cache and database.
+
+    Args:
+        session_id: The session ID to delete.
+        user_id: If provided, validates that the session belongs to this user
+            before deletion. This prevents unauthorized deletion.
+
+    Returns:
+        True if deleted successfully, False otherwise.
+    """
+    # Delete from database first (with optional user_id validation)
+    # This confirms ownership before invalidating cache
+    deleted = await chat_db.delete_chat_session(session_id, user_id)
+
+    if not deleted:
+        return False
+
+    # Only invalidate cache and clean up lock after DB confirms deletion
+    try:
+        redis_key = _get_session_cache_key(session_id)
+        async_redis = await get_redis_async()
+        await async_redis.delete(redis_key)
+    except Exception as e:
+        logger.warning(f"Failed to delete session {session_id} from cache: {e}")
+
+    # Clean up session lock (belt-and-suspenders with WeakValueDictionary)
+    async with _session_locks_mutex:
+        _session_locks.pop(session_id, None)
+
+    return True
+
+
+async def update_session_title(session_id: str, title: str) -> bool:
+    """Update only the title of a chat session.
+
+    This is a lightweight operation that doesn't touch messages, avoiding
+    race conditions with concurrent message updates. Use this for background
+    title generation instead of upsert_chat_session.
+
+    Args:
+        session_id: The session ID to update.
+        title: The new title to set.
+
+    Returns:
+        True if updated successfully, False otherwise.
+    """
+    try:
+        result = await chat_db.update_chat_session(session_id=session_id, title=title)
+        if result is None:
+            logger.warning(f"Session {session_id} not found for title update")
+            return False
+
+        # Invalidate cache so next fetch gets updated title
+        try:
+            redis_key = _get_session_cache_key(session_id)
+            async_redis = await get_redis_async()
+            await async_redis.delete(redis_key)
+        except Exception as e:
+            logger.warning(f"Failed to invalidate cache for session {session_id}: {e}")
+
+        return True
+    except Exception as e:
+        logger.error(f"Failed to update title for session {session_id}: {e}")
+        return False

autogpt_platform/backend/backend/api/features/chat/model_test.py

@@ -68,3 +68,50 @@ async def test_chatsession_redis_storage_user_id_mismatch():
     s2 = await get_chat_session(s.session_id, None)
 
     assert s2 is None
+
+
+@pytest.mark.asyncio(loop_scope="session")
+async def test_chatsession_db_storage():
+    """Test that messages are correctly saved to and loaded from DB (not cache)."""
+    from backend.data.redis_client import get_redis_async
+
+    # Create session with messages including assistant message
+    s = ChatSession.new(user_id=None)
+    s.messages = messages  # Contains user, assistant, and tool messages
+    assert s.session_id is not None, "Session id is not set"
+    # Upsert to save to both cache and DB
+    s = await upsert_chat_session(s)
+
+    # Clear the Redis cache to force DB load
+    redis_key = f"chat:session:{s.session_id}"
+    async_redis = await get_redis_async()
+    await async_redis.delete(redis_key)
+
+    # Load from DB (cache was cleared)
+    s2 = await get_chat_session(
+        session_id=s.session_id,
+        user_id=s.user_id,
+    )
+
+    assert s2 is not None, "Session not found after loading from DB"
+    assert len(s2.messages) == len(
+        s.messages
+    ), f"Message count mismatch: expected {len(s.messages)}, got {len(s2.messages)}"
+
+    # Verify all roles are present
+    roles = [m.role for m in s2.messages]
+    assert "user" in roles, f"User message missing. Roles found: {roles}"
+    assert "assistant" in roles, f"Assistant message missing. Roles found: {roles}"
+    assert "tool" in roles, f"Tool message missing. Roles found: {roles}"
+
+    # Verify message content
+    for orig, loaded in zip(s.messages, s2.messages):
+        assert orig.role == loaded.role, f"Role mismatch: {orig.role} != {loaded.role}"
+        assert (
+            orig.content == loaded.content
+        ), f"Content mismatch for {orig.role}: {orig.content} != {loaded.content}"
+        if orig.tool_calls:
+            assert (
+                loaded.tool_calls is not None
+            ), f"Tool calls missing for {orig.role} message"
+            assert len(orig.tool_calls) == len(loaded.tool_calls)

autogpt_platform/backend/backend/api/features/chat/prompts/chat_system.md

@@ -1,104 +0,0 @@
-You are Otto, an AI Co-Pilot and Forward Deployed Engineer for AutoGPT, an AI Business Automation tool. Your mission is to help users quickly find and set up AutoGPT agents to solve their business problems.
-
-Here are the functions available to you:
-
-<functions>
-1. **find_agent** - Search for agents that solve the user's problem
-2. **run_agent** - Run or schedule an agent (automatically handles setup)
-</functions>
-
-## HOW run_agent WORKS
-
-The `run_agent` tool automatically handles the entire setup flow:
-
-1. **First call** (no inputs) → Returns available inputs so user can decide what values to use
-2. **Credentials check** → If missing, UI automatically prompts user to add them (you don't need to mention this)
-3. **Execution** → Runs when you provide `inputs` OR set `use_defaults=true`
-
-Parameters:
-- `username_agent_slug` (required): Agent identifier like "creator/agent-name"
-- `inputs`: Object with input values for the agent
-- `use_defaults`: Set to `true` to run with default values (only after user confirms)
-- `schedule_name` + `cron`: For scheduled execution
-
-## WORKFLOW
-
-1. **find_agent** - Search for agents that solve the user's problem
-2. **run_agent** (first call, no inputs) - Get available inputs for the agent
-3. **Ask user** what values they want to use OR if they want to use defaults
-4. **run_agent** (second call) - Either with `inputs={...}` or `use_defaults=true`
-
-## YOUR APPROACH
-
-**Step 1: Understand the Problem**
-- Ask maximum 1-2 targeted questions
-- Focus on: What business problem are they solving?
-- Move quickly to searching for solutions
-
-**Step 2: Find Agents**
-- Use `find_agent` immediately with relevant keywords
-- Suggest the best option from search results
-- Explain briefly how it solves their problem
-
-**Step 3: Get Agent Inputs**
-- Call `run_agent(username_agent_slug="creator/agent-name")` without inputs
-- This returns the available inputs (required and optional)
-- Present these to the user and ask what values they want
-
-**Step 4: Run with User's Choice**
-- If user provides values: `run_agent(username_agent_slug="...", inputs={...})`
-- If user says "use defaults": `run_agent(username_agent_slug="...", use_defaults=true)`
-- On success, share the agent link with the user
-
-**For Scheduled Execution:**
-- Add `schedule_name` and `cron` parameters
-- Example: `run_agent(username_agent_slug="...", inputs={...}, schedule_name="Daily Report", cron="0 9 * * *")`
-
-## FUNCTION CALL FORMAT
-
-To call a function, use this exact format:
-`<function_call>function_name(parameter="value")</function_call>`
-
-Examples:
-- `<function_call>find_agent(query="social media automation")</function_call>`
-- `<function_call>run_agent(username_agent_slug="creator/agent-name")</function_call>` (get inputs)
-- `<function_call>run_agent(username_agent_slug="creator/agent-name", inputs={"topic": "AI news"})</function_call>`
-- `<function_call>run_agent(username_agent_slug="creator/agent-name", use_defaults=true)</function_call>`
-
-## KEY RULES
-
-**What You DON'T Do:**
-- Don't help with login (frontend handles this)
-- Don't mention or explain credentials to the user (frontend handles this automatically)
-- Don't run agents without first showing available inputs to the user
-- Don't use `use_defaults=true` without user explicitly confirming
-- Don't write responses longer than 3 sentences
-
-**What You DO:**
-- Always call run_agent first without inputs to see what's available
-- Ask user what values they want OR if they want to use defaults
-- Keep all responses to maximum 3 sentences
-- Include the agent link in your response after successful execution
-
-**Error Handling:**
-- Authentication needed → "Please sign in via the interface"
-- Credentials missing → The UI handles this automatically. Focus on asking the user about input values instead.
-
-## RESPONSE STRUCTURE
-
-Before responding, wrap your analysis in <thinking> tags to systematically plan your approach:
-- Extract the key business problem or request from the user's message
-- Determine what function call (if any) you need to make next
-- Plan your response to stay under the 3-sentence maximum
-
-Example interaction:
-```
-User: "Run the AI news agent for me"
-Otto: <function_call>run_agent(username_agent_slug="autogpt/ai-news")</function_call>
-[Tool returns: Agent accepts inputs - Required: topic. Optional: num_articles (default: 5)]
-Otto: The AI News agent needs a topic. What topic would you like news about, or should I use the defaults?
-User: "Use defaults"
-Otto: <function_call>run_agent(username_agent_slug="autogpt/ai-news", use_defaults=true)</function_call>
-```
-
-KEEP ANSWERS TO 3 SENTENCES

autogpt_platform/backend/backend/api/features/chat/response_model.py

@@ -1,3 +1,10 @@
+"""
+Response models for Vercel AI SDK UI Stream Protocol.
+
+This module implements the AI SDK UI Stream Protocol (v1) for streaming chat responses.
+See: https://ai-sdk.dev/docs/ai-sdk-ui/stream-protocol
+"""
+
 from enum import Enum
 from typing import Any
 
@@ -5,97 +12,133 @@ from pydantic import BaseModel, Field
 
 
 class ResponseType(str, Enum):
-    """Types of streaming responses."""
+    """Types of streaming responses following AI SDK protocol."""
 
-    TEXT_CHUNK = "text_chunk"
-    TEXT_ENDED = "text_ended"
-    TOOL_CALL = "tool_call"
-    TOOL_CALL_START = "tool_call_start"
-    TOOL_RESPONSE = "tool_response"
+    # Message lifecycle
+    START = "start"
+    FINISH = "finish"
+
+    # Text streaming
+    TEXT_START = "text-start"
+    TEXT_DELTA = "text-delta"
+    TEXT_END = "text-end"
+
+    # Tool interaction
+    TOOL_INPUT_START = "tool-input-start"
+    TOOL_INPUT_AVAILABLE = "tool-input-available"
+    TOOL_OUTPUT_AVAILABLE = "tool-output-available"
+
+    # Other
     ERROR = "error"
     USAGE = "usage"
-    STREAM_END = "stream_end"
 
 
 class StreamBaseResponse(BaseModel):
     """Base response model for all streaming responses."""
 
     type: ResponseType
-    timestamp: str | None = None
 
     def to_sse(self) -> str:
         """Convert to SSE format."""
         return f"data: {self.model_dump_json()}\n\n"
 
 
-class StreamTextChunk(StreamBaseResponse):
-    """Streaming text content from the assistant."""
-
-    type: ResponseType = ResponseType.TEXT_CHUNK
-    content: str = Field(..., description="Text content chunk")
+# ========== Message Lifecycle ==========
 
 
-class StreamToolCallStart(StreamBaseResponse):
+class StreamStart(StreamBaseResponse):
+    """Start of a new message."""
+
+    type: ResponseType = ResponseType.START
+    messageId: str = Field(..., description="Unique message ID")
+
+
+class StreamFinish(StreamBaseResponse):
+    """End of message/stream."""
+
+    type: ResponseType = ResponseType.FINISH
+
+
+# ========== Text Streaming ==========
+
+
+class StreamTextStart(StreamBaseResponse):
+    """Start of a text block."""
+
+    type: ResponseType = ResponseType.TEXT_START
+    id: str = Field(..., description="Text block ID")
+
+
+class StreamTextDelta(StreamBaseResponse):
+    """Streaming text content delta."""
+
+    type: ResponseType = ResponseType.TEXT_DELTA
+    id: str = Field(..., description="Text block ID")
+    delta: str = Field(..., description="Text content delta")
+
+
+class StreamTextEnd(StreamBaseResponse):
+    """End of a text block."""
+
+    type: ResponseType = ResponseType.TEXT_END
+    id: str = Field(..., description="Text block ID")
+
+
+# ========== Tool Interaction ==========
+
+
+class StreamToolInputStart(StreamBaseResponse):
     """Tool call started notification."""
 
-    type: ResponseType = ResponseType.TOOL_CALL_START
-    tool_name: str = Field(..., description="Name of the tool that was executed")
-    tool_id: str = Field(..., description="Unique tool call ID")
+    type: ResponseType = ResponseType.TOOL_INPUT_START
+    toolCallId: str = Field(..., description="Unique tool call ID")
+    toolName: str = Field(..., description="Name of the tool being called")
 
 
-class StreamToolCall(StreamBaseResponse):
-    """Tool invocation notification."""
+class StreamToolInputAvailable(StreamBaseResponse):
+    """Tool input is ready for execution."""
 
-    type: ResponseType = ResponseType.TOOL_CALL
-    tool_id: str = Field(..., description="Unique tool call ID")
-    tool_name: str = Field(..., description="Name of the tool being called")
-    arguments: dict[str, Any] = Field(
-        default_factory=dict, description="Tool arguments"
+    type: ResponseType = ResponseType.TOOL_INPUT_AVAILABLE
+    toolCallId: str = Field(..., description="Unique tool call ID")
+    toolName: str = Field(..., description="Name of the tool being called")
+    input: dict[str, Any] = Field(
+        default_factory=dict, description="Tool input arguments"
     )
 
 
-class StreamToolExecutionResult(StreamBaseResponse):
+class StreamToolOutputAvailable(StreamBaseResponse):
     """Tool execution result."""
 
-    type: ResponseType = ResponseType.TOOL_RESPONSE
-    tool_id: str = Field(..., description="Tool call ID this responds to")
-    tool_name: str = Field(..., description="Name of the tool that was executed")
-    result: str | dict[str, Any] = Field(..., description="Tool execution result")
+    type: ResponseType = ResponseType.TOOL_OUTPUT_AVAILABLE
+    toolCallId: str = Field(..., description="Tool call ID this responds to")
+    output: str | dict[str, Any] = Field(..., description="Tool execution output")
+    # Additional fields for internal use (not part of AI SDK spec but useful)
+    toolName: str | None = Field(
+        default=None, description="Name of the tool that was executed"
+    )
     success: bool = Field(
         default=True, description="Whether the tool execution succeeded"
     )
 
 
+# ========== Other ==========
+
+
 class StreamUsage(StreamBaseResponse):
     """Token usage statistics."""
 
     type: ResponseType = ResponseType.USAGE
-    prompt_tokens: int
-    completion_tokens: int
-    total_tokens: int
+    promptTokens: int = Field(..., description="Number of prompt tokens")
+    completionTokens: int = Field(..., description="Number of completion tokens")
+    totalTokens: int = Field(..., description="Total number of tokens")
 
 
 class StreamError(StreamBaseResponse):
     """Error response."""
 
     type: ResponseType = ResponseType.ERROR
-    message: str = Field(..., description="Error message")
+    errorText: str = Field(..., description="Error message text")
     code: str | None = Field(default=None, description="Error code")
     details: dict[str, Any] | None = Field(
         default=None, description="Additional error details"
     )
-
-
-class StreamTextEnded(StreamBaseResponse):
-    """Text streaming completed marker."""
-
-    type: ResponseType = ResponseType.TEXT_ENDED
-
-
-class StreamEnd(StreamBaseResponse):
-    """End of stream marker."""
-
-    type: ResponseType = ResponseType.STREAM_END
-    summary: dict[str, Any] | None = Field(
-        default=None, description="Stream summary statistics"
-    )

autogpt_platform/backend/backend/api/features/chat/routes.py

@@ -13,12 +13,27 @@ from backend.util.exceptions import NotFoundError
 
 from . import service as chat_service
 from .config import ChatConfig
+from .model import ChatSession, create_chat_session, get_chat_session, get_user_sessions
 
 config = ChatConfig()
 
 
 logger = logging.getLogger(__name__)
 
+
+async def _validate_and_get_session(
+    session_id: str,
+    user_id: str | None,
+) -> ChatSession:
+    """Validate session exists and assign user if needed."""
+    session = await get_chat_session(session_id, user_id)
+    if not session:
+        raise NotFoundError(f"Session {session_id} not found.")
+    if session.user_id is None and user_id is not None:
+        session = await chat_service.assign_user_to_session(session_id, user_id)
+    return session
+
+
 router = APIRouter(
     tags=["chat"],
 )
@@ -26,6 +41,14 @@ router = APIRouter(
 # ========== Request/Response Models ==========
 
 
+class StreamChatRequest(BaseModel):
+    """Request model for streaming chat with optional context."""
+
+    message: str
+    is_user_message: bool = True
+    context: dict[str, str] | None = None  # {url: str, content: str}
+
+
 class CreateSessionResponse(BaseModel):
     """Response model containing information on a newly created chat session."""
 
@@ -44,9 +67,64 @@ class SessionDetailResponse(BaseModel):
     messages: list[dict]
 
 
+class SessionSummaryResponse(BaseModel):
+    """Response model for a session summary (without messages)."""
+
+    id: str
+    created_at: str
+    updated_at: str
+    title: str | None = None
+
+
+class ListSessionsResponse(BaseModel):
+    """Response model for listing chat sessions."""
+
+    sessions: list[SessionSummaryResponse]
+    total: int
+
+
 # ========== Routes ==========
 
 
+@router.get(
+    "/sessions",
+    dependencies=[Security(auth.requires_user)],
+)
+async def list_sessions(
+    user_id: Annotated[str, Security(auth.get_user_id)],
+    limit: int = Query(default=50, ge=1, le=100),
+    offset: int = Query(default=0, ge=0),
+) -> ListSessionsResponse:
+    """
+    List chat sessions for the authenticated user.
+
+    Returns a paginated list of chat sessions belonging to the current user,
+    ordered by most recently updated.
+
+    Args:
+        user_id: The authenticated user's ID.
+        limit: Maximum number of sessions to return (1-100).
+        offset: Number of sessions to skip for pagination.
+
+    Returns:
+        ListSessionsResponse: List of session summaries and total count.
+    """
+    sessions, total_count = await get_user_sessions(user_id, limit, offset)
+
+    return ListSessionsResponse(
+        sessions=[
+            SessionSummaryResponse(
+                id=session.session_id,
+                created_at=session.started_at.isoformat(),
+                updated_at=session.updated_at.isoformat(),
+                title=session.title,
+            )
+            for session in sessions
+        ],
+        total=total_count,
+    )
+
+
 @router.post(
     "/sessions",
 )
@@ -70,7 +148,7 @@ async def create_session(
         f"...{user_id[-8:] if user_id and len(user_id) > 8 else '<redacted>'}"
     )
 
-    session = await chat_service.create_chat_session(user_id)
+    session = await create_chat_session(user_id)
 
     return CreateSessionResponse(
         id=session.session_id,
@@ -99,29 +177,88 @@ async def get_session(
         SessionDetailResponse: Details for the requested session; raises NotFoundError if not found.
 
     """
-    session = await chat_service.get_session(session_id, user_id)
+    session = await get_chat_session(session_id, user_id)
     if not session:
         raise NotFoundError(f"Session {session_id} not found")
+
+    messages = [message.model_dump() for message in session.messages]
+    logger.info(
+        f"Returning session {session_id}: "
+        f"message_count={len(messages)}, "
+        f"roles={[m.get('role') for m in messages]}"
+    )
+
     return SessionDetailResponse(
         id=session.session_id,
         created_at=session.started_at.isoformat(),
         updated_at=session.updated_at.isoformat(),
         user_id=session.user_id or None,
-        messages=[message.model_dump() for message in session.messages],
+        messages=messages,
+    )
+
+
+@router.post(
+    "/sessions/{session_id}/stream",
+)
+async def stream_chat_post(
+    session_id: str,
+    request: StreamChatRequest,
+    user_id: str | None = Depends(auth.get_user_id),
+):
+    """
+    Stream chat responses for a session (POST with context support).
+
+    Streams the AI/completion responses in real time over Server-Sent Events (SSE), including:
+      - Text fragments as they are generated
+      - Tool call UI elements (if invoked)
+      - Tool execution results
+
+    Args:
+        session_id: The chat session identifier to associate with the streamed messages.
+        request: Request body containing message, is_user_message, and optional context.
+        user_id: Optional authenticated user ID.
+    Returns:
+        StreamingResponse: SSE-formatted response chunks.
+
+    """
+    session = await _validate_and_get_session(session_id, user_id)
+
+    async def event_generator() -> AsyncGenerator[str, None]:
+        async for chunk in chat_service.stream_chat_completion(
+            session_id,
+            request.message,
+            is_user_message=request.is_user_message,
+            user_id=user_id,
+            session=session,  # Pass pre-fetched session to avoid double-fetch
+            context=request.context,
+        ):
+            yield chunk.to_sse()
+        # AI SDK protocol termination
+        yield "data: [DONE]\n\n"
+
+    return StreamingResponse(
+        event_generator(),
+        media_type="text/event-stream",
+        headers={
+            "Cache-Control": "no-cache",
+            "Connection": "keep-alive",
+            "X-Accel-Buffering": "no",  # Disable nginx buffering
+            "x-vercel-ai-ui-message-stream": "v1",  # AI SDK protocol header
+        },
     )
 
 
 @router.get(
     "/sessions/{session_id}/stream",
 )
-async def stream_chat(
+async def stream_chat_get(
     session_id: str,
     message: Annotated[str, Query(min_length=1, max_length=10000)],
     user_id: str | None = Depends(auth.get_user_id),
     is_user_message: bool = Query(default=True),
 ):
     """
-    Stream chat responses for a session.
+    Stream chat responses for a session (GET - legacy endpoint).
 
     Streams the AI/completion responses in real time over Server-Sent Events (SSE), including:
       - Text fragments as they are generated
@@ -137,14 +274,7 @@ async def stream_chat(
         StreamingResponse: SSE-formatted response chunks.
 
     """
-    # Validate session exists before starting the stream
-    # This prevents errors after the response has already started
-    session = await chat_service.get_session(session_id, user_id)
-
-    if not session:
-        raise NotFoundError(f"Session {session_id} not found. ")
-    if session.user_id is None and user_id is not None:
-        session = await chat_service.assign_user_to_session(session_id, user_id)
+    session = await _validate_and_get_session(session_id, user_id)
 
     async def event_generator() -> AsyncGenerator[str, None]:
         async for chunk in chat_service.stream_chat_completion(
@@ -155,6 +285,8 @@ async def stream_chat(
             session=session,  # Pass pre-fetched session to avoid double-fetch
         ):
             yield chunk.to_sse()
+        # AI SDK protocol termination
+        yield "data: [DONE]\n\n"
 
     return StreamingResponse(
         event_generator(),
@@ -163,6 +295,7 @@ async def stream_chat(
             "Cache-Control": "no-cache",
             "Connection": "keep-alive",
             "X-Accel-Buffering": "no",  # Disable nginx buffering
+            "x-vercel-ai-ui-message-stream": "v1",  # AI SDK protocol header
         },
     )
 
@@ -208,9 +341,9 @@ async def health_check() -> dict:
         dict: A status dictionary indicating health, service name, and API version.
 
     """
-    session = await chat_service.create_chat_session(None)
+    session = await create_chat_session(None)
     await chat_service.assign_user_to_session(session.session_id, "test_user")
-    await chat_service.get_session(session.session_id, "test_user")
+    await get_chat_session(session.session_id, "test_user")
 
     return {
         "status": "healthy",

autogpt_platform/backend/backend/api/features/chat/service_test.py

@@ -4,11 +4,12 @@ from os import getenv
 import pytest
 
 from . import service as chat_service
+from .model import create_chat_session, get_chat_session, upsert_chat_session
 from .response_model import (
-    StreamEnd,
     StreamError,
-    StreamTextChunk,
-    StreamToolExecutionResult,
+    StreamFinish,
+    StreamTextDelta,
+    StreamToolOutputAvailable,
 )
 
 logger = logging.getLogger(__name__)
@@ -23,7 +24,7 @@ async def test_stream_chat_completion():
     if not api_key:
         return pytest.skip("OPEN_ROUTER_API_KEY is not set, skipping test")
 
-    session = await chat_service.create_chat_session()
+    session = await create_chat_session()
 
     has_errors = False
     has_ended = False
@@ -34,9 +35,9 @@ async def test_stream_chat_completion():
         logger.info(chunk)
         if isinstance(chunk, StreamError):
             has_errors = True
-        if isinstance(chunk, StreamTextChunk):
-            assistant_message += chunk.content
-        if isinstance(chunk, StreamEnd):
+        if isinstance(chunk, StreamTextDelta):
+            assistant_message += chunk.delta
+        if isinstance(chunk, StreamFinish):
             has_ended = True
 
     assert has_ended, "Chat completion did not end"
@@ -53,8 +54,8 @@ async def test_stream_chat_completion_with_tool_calls():
     if not api_key:
         return pytest.skip("OPEN_ROUTER_API_KEY is not set, skipping test")
 
-    session = await chat_service.create_chat_session()
-    session = await chat_service.upsert_chat_session(session)
+    session = await create_chat_session()
+    session = await upsert_chat_session(session)
 
     has_errors = False
     has_ended = False
@@ -68,14 +69,14 @@ async def test_stream_chat_completion_with_tool_calls():
         if isinstance(chunk, StreamError):
             has_errors = True
 
-        if isinstance(chunk, StreamEnd):
+        if isinstance(chunk, StreamFinish):
             has_ended = True
-        if isinstance(chunk, StreamToolExecutionResult):
+        if isinstance(chunk, StreamToolOutputAvailable):
             had_tool_calls = True
 
     assert has_ended, "Chat completion did not end"
     assert not has_errors, "Error occurred while streaming chat completion"
     assert had_tool_calls, "Tool calls did not occur"
-    session = await chat_service.get_session(session.session_id)
+    session = await get_chat_session(session.session_id)
     assert session, "Session not found"
     assert session.usage, "Usage is empty"

autogpt_platform/backend/backend/api/features/chat/tools/__init__.py

@@ -4,21 +4,32 @@ from openai.types.chat import ChatCompletionToolParam
 
 from backend.api.features.chat.model import ChatSession
 
+from .add_understanding import AddUnderstandingTool
+from .agent_output import AgentOutputTool
 from .base import BaseTool
 from .find_agent import FindAgentTool
+from .find_library_agent import FindLibraryAgentTool
 from .run_agent import RunAgentTool
 
 if TYPE_CHECKING:
-    from backend.api.features.chat.response_model import StreamToolExecutionResult
+    from backend.api.features.chat.response_model import StreamToolOutputAvailable
 
-# Initialize tool instances
-find_agent_tool = FindAgentTool()
-run_agent_tool = RunAgentTool()
+# Single source of truth for all tools
+TOOL_REGISTRY: dict[str, BaseTool] = {
+    "add_understanding": AddUnderstandingTool(),
+    "find_agent": FindAgentTool(),
+    "find_library_agent": FindLibraryAgentTool(),
+    "run_agent": RunAgentTool(),
+    "agent_output": AgentOutputTool(),
+}
 
-# Export tools as OpenAI format
+# Export individual tool instances for backwards compatibility
+find_agent_tool = TOOL_REGISTRY["find_agent"]
+run_agent_tool = TOOL_REGISTRY["run_agent"]
+
+# Generated from registry for OpenAI API
 tools: list[ChatCompletionToolParam] = [
-    find_agent_tool.as_openai_tool(),
-    run_agent_tool.as_openai_tool(),
+    tool.as_openai_tool() for tool in TOOL_REGISTRY.values()
 ]
 
 
@@ -28,14 +39,9 @@ async def execute_tool(
     user_id: str | None,
     session: ChatSession,
     tool_call_id: str,
-) -> "StreamToolExecutionResult":
-
-    tool_map: dict[str, BaseTool] = {
-        "find_agent": find_agent_tool,
-        "run_agent": run_agent_tool,
-    }
-    if tool_name not in tool_map:
+) -> "StreamToolOutputAvailable":
+    """Execute a tool by name."""
+    tool = TOOL_REGISTRY.get(tool_name)
+    if not tool:
         raise ValueError(f"Tool {tool_name} not found")
-    return await tool_map[tool_name].execute(
-        user_id, session, tool_call_id, **parameters
-    )
+    return await tool.execute(user_id, session, tool_call_id, **parameters)

autogpt_platform/backend/backend/api/features/chat/tools/_test_data.py

@@ -3,6 +3,7 @@ from datetime import UTC, datetime
 from os import getenv
 
 import pytest
+from prisma.types import ProfileCreateInput
 from pydantic import SecretStr
 
 from backend.api.features.chat.model import ChatSession
@@ -49,13 +50,13 @@ async def setup_test_data():
     # 1b. Create a profile with username for the user (required for store agent lookup)
     username = user.email.split("@")[0]
     await prisma.profile.create(
-        data={
-            "userId": user.id,
-            "username": username,
-            "name": f"Test User {username}",
-            "description": "Test user profile",
-            "links": [],  # Required field - empty array for test profiles
-        }
+        data=ProfileCreateInput(
+            userId=user.id,
+            username=username,
+            name=f"Test User {username}",
+            description="Test user profile",
+            links=[],  # Required field - empty array for test profiles
+        )
     )
 
     # 2. Create a test graph with agent input -> agent output
@@ -172,13 +173,13 @@ async def setup_llm_test_data():
     # 1b. Create a profile with username for the user (required for store agent lookup)
     username = user.email.split("@")[0]
     await prisma.profile.create(
-        data={
-            "userId": user.id,
-            "username": username,
-            "name": f"Test User {username}",
-            "description": "Test user profile for LLM tests",
-            "links": [],  # Required field - empty array for test profiles
-        }
+        data=ProfileCreateInput(
+            userId=user.id,
+            username=username,
+            name=f"Test User {username}",
+            description="Test user profile for LLM tests",
+            links=[],  # Required field - empty array for test profiles
+        )
     )
 
     # 2. Create test OpenAI credentials for the user
@@ -332,13 +333,13 @@ async def setup_firecrawl_test_data():
     # 1b. Create a profile with username for the user (required for store agent lookup)
     username = user.email.split("@")[0]
     await prisma.profile.create(
-        data={
-            "userId": user.id,
-            "username": username,
-            "name": f"Test User {username}",
-            "description": "Test user profile for Firecrawl tests",
-            "links": [],  # Required field - empty array for test profiles
-        }
+        data=ProfileCreateInput(
+            userId=user.id,
+            username=username,
+            name=f"Test User {username}",
+            description="Test user profile for Firecrawl tests",
+            links=[],  # Required field - empty array for test profiles
+        )
     )
 
     # NOTE: We deliberately do NOT create Firecrawl credentials for this user

autogpt_platform/backend/backend/api/features/chat/tools/add_understanding.py

@@ -0,0 +1,119 @@
+"""Tool for capturing user business understanding incrementally."""
+
+import logging
+from typing import Any
+
+from backend.api.features.chat.model import ChatSession
+from backend.data.understanding import (
+    BusinessUnderstandingInput,
+    upsert_business_understanding,
+)
+
+from .base import BaseTool
+from .models import ErrorResponse, ToolResponseBase, UnderstandingUpdatedResponse
+
+logger = logging.getLogger(__name__)
+
+
+class AddUnderstandingTool(BaseTool):
+    """Tool for capturing user's business understanding incrementally."""
+
+    @property
+    def name(self) -> str:
+        return "add_understanding"
+
+    @property
+    def description(self) -> str:
+        return """Capture and store information about the user's business context,
+workflows, pain points, and automation goals. Call this tool whenever the user
+shares information about their business. Each call incrementally adds to the
+existing understanding - you don't need to provide all fields at once.
+
+Use this to build a comprehensive profile that helps recommend better agents
+and automations for the user's specific needs."""
+
+    @property
+    def parameters(self) -> dict[str, Any]:
+        # Auto-generate from Pydantic model schema
+        schema = BusinessUnderstandingInput.model_json_schema()
+        properties = {}
+        for field_name, field_schema in schema.get("properties", {}).items():
+            prop: dict[str, Any] = {"description": field_schema.get("description", "")}
+            # Handle anyOf for Optional types
+            if "anyOf" in field_schema:
+                for option in field_schema["anyOf"]:
+                    if option.get("type") != "null":
+                        prop["type"] = option.get("type", "string")
+                        if "items" in option:
+                            prop["items"] = option["items"]
+                        break
+            else:
+                prop["type"] = field_schema.get("type", "string")
+                if "items" in field_schema:
+                    prop["items"] = field_schema["items"]
+            properties[field_name] = prop
+        return {"type": "object", "properties": properties, "required": []}
+
+    @property
+    def requires_auth(self) -> bool:
+        """Requires authentication to store user-specific data."""
+        return True
+
+    async def _execute(
+        self,
+        user_id: str | None,
+        session: ChatSession,
+        **kwargs,
+    ) -> ToolResponseBase:
+        """
+        Capture and store business understanding incrementally.
+
+        Each call merges new data with existing understanding:
+        - String fields are overwritten if provided
+        - List fields are appended (with deduplication)
+        """
+        session_id = session.session_id
+
+        if not user_id:
+            return ErrorResponse(
+                message="Authentication required to save business understanding.",
+                session_id=session_id,
+            )
+
+        # Check if any data was provided
+        if not any(v is not None for v in kwargs.values()):
+            return ErrorResponse(
+                message="Please provide at least one field to update.",
+                session_id=session_id,
+            )
+
+        # Build input model from kwargs (only include fields defined in the model)
+        valid_fields = set(BusinessUnderstandingInput.model_fields.keys())
+        input_data = BusinessUnderstandingInput(
+            **{k: v for k, v in kwargs.items() if k in valid_fields}
+        )
+
+        # Track which fields were updated
+        updated_fields = [
+            k for k, v in kwargs.items() if k in valid_fields and v is not None
+        ]
+
+        # Upsert with merge
+        understanding = await upsert_business_understanding(user_id, input_data)
+
+        # Build current understanding summary (filter out empty values)
+        current_understanding = {
+            k: v
+            for k, v in understanding.model_dump(
+                exclude={"id", "user_id", "created_at", "updated_at"}
+            ).items()
+            if v is not None and v != [] and v != ""
+        }
+
+        return UnderstandingUpdatedResponse(
+            message=f"Updated understanding with: {', '.join(updated_fields)}. "
+            "I now have a better picture of your business context.",
+            session_id=session_id,
+            updated_fields=updated_fields,
+            current_understanding=current_understanding,
+        )

autogpt_platform/backend/backend/api/features/chat/tools/agent_output.py

@@ -0,0 +1,446 @@
+"""Tool for retrieving agent execution outputs from user's library."""
+
+import logging
+import re
+from datetime import datetime, timedelta, timezone
+from typing import Any
+
+from pydantic import BaseModel, field_validator
+
+from backend.api.features.chat.model import ChatSession
+from backend.api.features.library import db as library_db
+from backend.api.features.library.model import LibraryAgent
+from backend.data import execution as execution_db
+from backend.data.execution import ExecutionStatus, GraphExecution, GraphExecutionMeta
+
+from .base import BaseTool
+from .models import (
+    AgentOutputResponse,
+    ErrorResponse,
+    ExecutionOutputInfo,
+    NoResultsResponse,
+    ToolResponseBase,
+)
+from .utils import fetch_graph_from_store_slug
+
+logger = logging.getLogger(__name__)
+
+
+class AgentOutputInput(BaseModel):
+    """Input parameters for the agent_output tool."""
+
+    agent_name: str = ""
+    library_agent_id: str = ""
+    store_slug: str = ""
+    execution_id: str = ""
+    run_time: str = "latest"
+
+    @field_validator(
+        "agent_name",
+        "library_agent_id",
+        "store_slug",
+        "execution_id",
+        "run_time",
+        mode="before",
+    )
+    @classmethod
+    def strip_strings(cls, v: Any) -> Any:
+        """Strip whitespace from string fields."""
+        return v.strip() if isinstance(v, str) else v
+
+
+def parse_time_expression(
+    time_expr: str | None,
+) -> tuple[datetime | None, datetime | None]:
+    """
+    Parse time expression into datetime range (start, end).
+
+    Supports: "latest", "yesterday", "today", "last week", "last 7 days",
+    "last month", "last 30 days", ISO date "YYYY-MM-DD", ISO datetime.
+    """
+    if not time_expr or time_expr.lower() == "latest":
+        return None, None
+
+    now = datetime.now(timezone.utc)
+    today_start = now.replace(hour=0, minute=0, second=0, microsecond=0)
+    expr = time_expr.lower().strip()
+
+    # Relative time expressions lookup
+    relative_times: dict[str, tuple[datetime, datetime]] = {
+        "yesterday": (today_start - timedelta(days=1), today_start),
+        "today": (today_start, now),
+        "last week": (now - timedelta(days=7), now),
+        "last 7 days": (now - timedelta(days=7), now),
+        "last month": (now - timedelta(days=30), now),
+        "last 30 days": (now - timedelta(days=30), now),
+    }
+    if expr in relative_times:
+        return relative_times[expr]
+
+    # Try ISO date format (YYYY-MM-DD)
+    date_match = re.match(r"^(\d{4})-(\d{2})-(\d{2})$", expr)
+    if date_match:
+        try:
+            year, month, day = map(int, date_match.groups())
+            start = datetime(year, month, day, 0, 0, 0, tzinfo=timezone.utc)
+            return start, start + timedelta(days=1)
+        except ValueError:
+            # Invalid date components (e.g., month=13, day=32)
+            pass
+
+    # Try ISO datetime
+    try:
+        parsed = datetime.fromisoformat(expr.replace("Z", "+00:00"))
+        if parsed.tzinfo is None:
+            parsed = parsed.replace(tzinfo=timezone.utc)
+        return parsed - timedelta(hours=1), parsed + timedelta(hours=1)
+    except ValueError:
+        return None, None
+
+
+class AgentOutputTool(BaseTool):
+    """Tool for retrieving execution outputs from user's library agents."""
+
+    @property
+    def name(self) -> str:
+        return "agent_output"
+
+    @property
+    def description(self) -> str:
+        return """Retrieve execution outputs from agents in the user's library.
+
+        Identify the agent using one of:
+        - agent_name: Fuzzy search in user's library
+        - library_agent_id: Exact library agent ID
+        - store_slug: Marketplace format 'username/agent-name'
+
+        Select which run to retrieve using:
+        - execution_id: Specific execution ID
+        - run_time: 'latest' (default), 'yesterday', 'last week', or ISO date 'YYYY-MM-DD'
+        """
+
+    @property
+    def parameters(self) -> dict[str, Any]:
+        return {
+            "type": "object",
+            "properties": {
+                "agent_name": {
+                    "type": "string",
+                    "description": "Agent name to search for in user's library (fuzzy match)",
+                },
+                "library_agent_id": {
+                    "type": "string",
+                    "description": "Exact library agent ID",
+                },
+                "store_slug": {
+                    "type": "string",
+                    "description": "Marketplace identifier: 'username/agent-slug'",
+                },
+                "execution_id": {
+                    "type": "string",
+                    "description": "Specific execution ID to retrieve",
+                },
+                "run_time": {
+                    "type": "string",
+                    "description": (
+                        "Time filter: 'latest', 'yesterday', 'last week', or 'YYYY-MM-DD'"
+                    ),
+                },
+            },
+            "required": [],
+        }
+
+    @property
+    def requires_auth(self) -> bool:
+        return True
+
+    async def _resolve_agent(
+        self,
+        user_id: str,
+        agent_name: str | None,
+        library_agent_id: str | None,
+        store_slug: str | None,
+    ) -> tuple[LibraryAgent | None, str | None]:
+        """
+        Resolve agent from provided identifiers.
+        Returns (library_agent, error_message).
+        """
+        # Priority 1: Exact library agent ID
+        if library_agent_id:
+            try:
+                agent = await library_db.get_library_agent(library_agent_id, user_id)
+                return agent, None
+            except Exception as e:
+                logger.warning(f"Failed to get library agent by ID: {e}")
+                return None, f"Library agent '{library_agent_id}' not found"
+
+        # Priority 2: Store slug (username/agent-name)
+        if store_slug and "/" in store_slug:
+            username, agent_slug = store_slug.split("/", 1)
+            graph, _ = await fetch_graph_from_store_slug(username, agent_slug)
+            if not graph:
+                return None, f"Agent '{store_slug}' not found in marketplace"
+
+            # Find in user's library by graph_id
+            agent = await library_db.get_library_agent_by_graph_id(user_id, graph.id)
+            if not agent:
+                return (
+                    None,
+                    f"Agent '{store_slug}' is not in your library. "
+                    "Add it first to see outputs.",
+                )
+            return agent, None
+
+        # Priority 3: Fuzzy name search in library
+        if agent_name:
+            try:
+                response = await library_db.list_library_agents(
+                    user_id=user_id,
+                    search_term=agent_name,
+                    page_size=5,
+                )
+                if not response.agents:
+                    return (
+                        None,
+                        f"No agents matching '{agent_name}' found in your library",
+                    )
+
+                # Return best match (first result from search)
+                return response.agents[0], None
+            except Exception as e:
+                logger.error(f"Error searching library agents: {e}")
+                return None, f"Error searching for agent: {e}"
+
+        return (
+            None,
+            "Please specify an agent name, library_agent_id, or store_slug",
+        )
+
+    async def _get_execution(
+        self,
+        user_id: str,
+        graph_id: str,
+        execution_id: str | None,
+        time_start: datetime | None,
+        time_end: datetime | None,
+    ) -> tuple[GraphExecution | None, list[GraphExecutionMeta], str | None]:
+        """
+        Fetch execution(s) based on filters.
+        Returns (single_execution, available_executions_meta, error_message).
+        """
+        # If specific execution_id provided, fetch it directly
+        if execution_id:
+            execution = await execution_db.get_graph_execution(
+                user_id=user_id,
+                execution_id=execution_id,
+                include_node_executions=False,
+            )
+            if not execution:
+                return None, [], f"Execution '{execution_id}' not found"
+            return execution, [], None
+
+        # Get completed executions with time filters
+        executions = await execution_db.get_graph_executions(
+            graph_id=graph_id,
+            user_id=user_id,
+            statuses=[ExecutionStatus.COMPLETED],
+            created_time_gte=time_start,
+            created_time_lte=time_end,
+            limit=10,
+        )
+
+        if not executions:
+            return None, [], None  # No error, just no executions
+
+        # If only one execution, fetch full details
+        if len(executions) == 1:
+            full_execution = await execution_db.get_graph_execution(
+                user_id=user_id,
+                execution_id=executions[0].id,
+                include_node_executions=False,
+            )
+            return full_execution, [], None
+
+        # Multiple executions - return latest with full details, plus list of available
+        full_execution = await execution_db.get_graph_execution(
+            user_id=user_id,
+            execution_id=executions[0].id,
+            include_node_executions=False,
+        )
+        return full_execution, executions, None
+
+    def _build_response(
+        self,
+        agent: LibraryAgent,
+        execution: GraphExecution | None,
+        available_executions: list[GraphExecutionMeta],
+        session_id: str | None,
+    ) -> AgentOutputResponse:
+        """Build the response based on execution data."""
+        library_agent_link = f"/library/agents/{agent.id}"
+
+        if not execution:
+            return AgentOutputResponse(
+                message=f"No completed executions found for agent '{agent.name}'",
+                session_id=session_id,
+                agent_name=agent.name,
+                agent_id=agent.graph_id,
+                library_agent_id=agent.id,
+                library_agent_link=library_agent_link,
+                total_executions=0,
+            )
+
+        execution_info = ExecutionOutputInfo(
+            execution_id=execution.id,
+            status=execution.status.value,
+            started_at=execution.started_at,
+            ended_at=execution.ended_at,
+            outputs=dict(execution.outputs),
+            inputs_summary=execution.inputs if execution.inputs else None,
+        )
+
+        available_list = None
+        if len(available_executions) > 1:
+            available_list = [
+                {
+                    "id": e.id,
+                    "status": e.status.value,
+                    "started_at": e.started_at.isoformat() if e.started_at else None,
+                }
+                for e in available_executions[:5]
+            ]
+
+        message = f"Found execution outputs for agent '{agent.name}'"
+        if len(available_executions) > 1:
+            message += (
+                f". Showing latest of {len(available_executions)} matching executions."
+            )
+
+        return AgentOutputResponse(
+            message=message,
+            session_id=session_id,
+            agent_name=agent.name,
+            agent_id=agent.graph_id,
+            library_agent_id=agent.id,
+            library_agent_link=library_agent_link,
+            execution=execution_info,
+            available_executions=available_list,
+            total_executions=len(available_executions) if available_executions else 1,
+        )
+
+    async def _execute(
+        self,
+        user_id: str | None,
+        session: ChatSession,
+        **kwargs,
+    ) -> ToolResponseBase:
+        """Execute the agent_output tool."""
+        session_id = session.session_id
+
+        # Parse and validate input
+        try:
+            input_data = AgentOutputInput(**kwargs)
+        except Exception as e:
+            logger.error(f"Invalid input: {e}")
+            return ErrorResponse(
+                message="Invalid input parameters",
+                error=str(e),
+                session_id=session_id,
+            )
+
+        # Ensure user_id is present (should be guaranteed by requires_auth)
+        if not user_id:
+            return ErrorResponse(
+                message="User authentication required",
+                session_id=session_id,
+            )
+
+        # Check if at least one identifier is provided
+        if not any(
+            [
+                input_data.agent_name,
+                input_data.library_agent_id,
+                input_data.store_slug,
+                input_data.execution_id,
+            ]
+        ):
+            return ErrorResponse(
+                message=(
+                    "Please specify at least one of: agent_name, "
+                    "library_agent_id, store_slug, or execution_id"
+                ),
+                session_id=session_id,
+            )
+
+        # If only execution_id provided, we need to find the agent differently
+        if (
+            input_data.execution_id
+            and not input_data.agent_name
+            and not input_data.library_agent_id
+            and not input_data.store_slug
+        ):
+            # Fetch execution directly to get graph_id
+            execution = await execution_db.get_graph_execution(
+                user_id=user_id,
+                execution_id=input_data.execution_id,
+                include_node_executions=False,
+            )
+            if not execution:
+                return ErrorResponse(
+                    message=f"Execution '{input_data.execution_id}' not found",
+                    session_id=session_id,
+                )
+
+            # Find library agent by graph_id
+            agent = await library_db.get_library_agent_by_graph_id(
+                user_id, execution.graph_id
+            )
+            if not agent:
+                return NoResultsResponse(
+                    message=(
+                        f"Execution found but agent not in your library. "
+                        f"Graph ID: {execution.graph_id}"
+                    ),
+                    session_id=session_id,
+                    suggestions=["Add the agent to your library to see more details"],
+                )
+
+            return self._build_response(agent, execution, [], session_id)
+
+        # Resolve agent from identifiers
+        agent, error = await self._resolve_agent(
+            user_id=user_id,
+            agent_name=input_data.agent_name or None,
+            library_agent_id=input_data.library_agent_id or None,
+            store_slug=input_data.store_slug or None,
+        )
+
+        if error or not agent:
+            return NoResultsResponse(
+                message=error or "Agent not found",
+                session_id=session_id,
+                suggestions=[
+                    "Check the agent name or ID",
+                    "Make sure the agent is in your library",
+                ],
+            )
+
+        # Parse time expression
+        time_start, time_end = parse_time_expression(input_data.run_time)
+
+        # Fetch execution(s)
+        execution, available_executions, exec_error = await self._get_execution(
+            user_id=user_id,
+            graph_id=agent.graph_id,
+            execution_id=input_data.execution_id or None,
+            time_start=time_start,
+            time_end=time_end,
+        )
+
+        if exec_error:
+            return ErrorResponse(
+                message=exec_error,
+                session_id=session_id,
+            )
+
+        return self._build_response(agent, execution, available_executions, session_id)

autogpt_platform/backend/backend/api/features/chat/tools/agent_search.py

@@ -0,0 +1,151 @@
+"""Shared agent search functionality for find_agent and find_library_agent tools."""
+
+import logging
+from typing import Literal
+
+from backend.api.features.library import db as library_db
+from backend.api.features.store import db as store_db
+from backend.util.exceptions import DatabaseError, NotFoundError
+
+from .models import (
+    AgentInfo,
+    AgentsFoundResponse,
+    ErrorResponse,
+    NoResultsResponse,
+    ToolResponseBase,
+)
+
+logger = logging.getLogger(__name__)
+
+SearchSource = Literal["marketplace", "library"]
+
+
+async def search_agents(
+    query: str,
+    source: SearchSource,
+    session_id: str | None,
+    user_id: str | None = None,
+) -> ToolResponseBase:
+    """
+    Search for agents in marketplace or user library.
+
+    Args:
+        query: Search query string
+        source: "marketplace" or "library"
+        session_id: Chat session ID
+        user_id: User ID (required for library search)
+
+    Returns:
+        AgentsFoundResponse, NoResultsResponse, or ErrorResponse
+    """
+    if not query:
+        return ErrorResponse(
+            message="Please provide a search query", session_id=session_id
+        )
+
+    if source == "library" and not user_id:
+        return ErrorResponse(
+            message="User authentication required to search library",
+            session_id=session_id,
+        )
+
+    agents: list[AgentInfo] = []
+    try:
+        if source == "marketplace":
+            logger.info(f"Searching marketplace for: {query}")
+            results = await store_db.get_store_agents(search_query=query, page_size=5)
+            for agent in results.agents:
+                agents.append(
+                    AgentInfo(
+                        id=f"{agent.creator}/{agent.slug}",
+                        name=agent.agent_name,
+                        description=agent.description or "",
+                        source="marketplace",
+                        in_library=False,
+                        creator=agent.creator,
+                        category="general",
+                        rating=agent.rating,
+                        runs=agent.runs,
+                        is_featured=False,
+                    )
+                )
+        else:  # library
+            logger.info(f"Searching user library for: {query}")
+            results = await library_db.list_library_agents(
+                user_id=user_id,  # type: ignore[arg-type]
+                search_term=query,
+                page_size=10,
+            )
+            for agent in results.agents:
+                agents.append(
+                    AgentInfo(
+                        id=agent.id,
+                        name=agent.name,
+                        description=agent.description or "",
+                        source="library",
+                        in_library=True,
+                        creator=agent.creator_name,
+                        status=agent.status.value,
+                        can_access_graph=agent.can_access_graph,
+                        has_external_trigger=agent.has_external_trigger,
+                        new_output=agent.new_output,
+                        graph_id=agent.graph_id,
+                    )
+                )
+        logger.info(f"Found {len(agents)} agents in {source}")
+    except NotFoundError:
+        pass
+    except DatabaseError as e:
+        logger.error(f"Error searching {source}: {e}", exc_info=True)
+        return ErrorResponse(
+            message=f"Failed to search {source}. Please try again.",
+            error=str(e),
+            session_id=session_id,
+        )
+
+    if not agents:
+        suggestions = (
+            [
+                "Try more general terms",
+                "Browse categories in the marketplace",
+                "Check spelling",
+            ]
+            if source == "marketplace"
+            else [
+                "Try different keywords",
+                "Use find_agent to search the marketplace",
+                "Check your library at /library",
+            ]
+        )
+        no_results_msg = (
+            f"No agents found matching '{query}'. Try different keywords or browse the marketplace."
+            if source == "marketplace"
+            else f"No agents matching '{query}' found in your library."
+        )
+        return NoResultsResponse(
+            message=no_results_msg, session_id=session_id, suggestions=suggestions
+        )
+
+    title = f"Found {len(agents)} agent{'s' if len(agents) != 1 else ''} "
+    title += (
+        f"for '{query}'"
+        if source == "marketplace"
+        else f"in your library for '{query}'"
+    )
+
+    message = (
+        "Now you have found some options for the user to choose from. "
+        "You can add a link to a recommended agent at: /marketplace/agent/agent_id "
+        "Please ask the user if they would like to use any of these agents."
+        if source == "marketplace"
+        else "Found agents in the user's library. You can provide a link to view an agent at: "
+        "/library/agents/{agent_id}. Use agent_output to get execution results, or run_agent to execute."
+    )
+
+    return AgentsFoundResponse(
+        message=message,
+        title=title,
+        agents=agents,
+        count=len(agents),
+        session_id=session_id,
+    )

autogpt_platform/backend/backend/api/features/chat/tools/base.py

@@ -6,7 +6,7 @@ from typing import Any
 from openai.types.chat import ChatCompletionToolParam
 
 from backend.api.features.chat.model import ChatSession
-from backend.api.features.chat.response_model import StreamToolExecutionResult
+from backend.api.features.chat.response_model import StreamToolOutputAvailable
 
 from .models import ErrorResponse, NeedLoginResponse, ToolResponseBase
 
@@ -53,7 +53,7 @@ class BaseTool:
         session: ChatSession,
         tool_call_id: str,
         **kwargs,
-    ) -> StreamToolExecutionResult:
+    ) -> StreamToolOutputAvailable:
         """Execute the tool with authentication check.
 
         Args:
@@ -69,10 +69,10 @@ class BaseTool:
             logger.error(
                 f"Attempted tool call for {self.name} but user not authenticated"
             )
-            return StreamToolExecutionResult(
-                tool_id=tool_call_id,
-                tool_name=self.name,
-                result=NeedLoginResponse(
+            return StreamToolOutputAvailable(
+                toolCallId=tool_call_id,
+                toolName=self.name,
+                output=NeedLoginResponse(
                     message=f"Please sign in to use {self.name}",
                     session_id=session.session_id,
                 ).model_dump_json(),
@@ -81,17 +81,17 @@ class BaseTool:
 
         try:
             result = await self._execute(user_id, session, **kwargs)
-            return StreamToolExecutionResult(
-                tool_id=tool_call_id,
-                tool_name=self.name,
-                result=result.model_dump_json(),
+            return StreamToolOutputAvailable(
+                toolCallId=tool_call_id,
+                toolName=self.name,
+                output=result.model_dump_json(),
             )
         except Exception as e:
             logger.error(f"Error in {self.name}: {e}", exc_info=True)
-            return StreamToolExecutionResult(
-                tool_id=tool_call_id,
-                tool_name=self.name,
-                result=ErrorResponse(
+            return StreamToolOutputAvailable(
+                toolCallId=tool_call_id,
+                toolName=self.name,
+                output=ErrorResponse(
                     message=f"An error occurred while executing {self.name}",
                     error=str(e),
                     session_id=session.session_id,

autogpt_platform/backend/backend/api/features/chat/tools/find_agent.py

@@ -1,26 +1,16 @@
-"""Tool for discovering agents from marketplace and user library."""
+"""Tool for discovering agents from marketplace."""
 
-import logging
 from typing import Any
 
 from backend.api.features.chat.model import ChatSession
-from backend.api.features.store import db as store_db
-from backend.util.exceptions import DatabaseError, NotFoundError
 
+from .agent_search import search_agents
 from .base import BaseTool
-from .models import (
-    AgentCarouselResponse,
-    AgentInfo,
-    ErrorResponse,
-    NoResultsResponse,
-    ToolResponseBase,
-)
-
-logger = logging.getLogger(__name__)
+from .models import ToolResponseBase
 
 
 class FindAgentTool(BaseTool):
-    """Tool for discovering agents based on user needs."""
+    """Tool for discovering agents from the marketplace."""
 
     @property
     def name(self) -> str:
@@ -46,84 +36,11 @@ class FindAgentTool(BaseTool):
         }
 
     async def _execute(
-        self,
-        user_id: str | None,
-        session: ChatSession,
-        **kwargs,
+        self, user_id: str | None, session: ChatSession, **kwargs
     ) -> ToolResponseBase:
-        """Search for agents in the marketplace.
-
-        Args:
-            user_id: User ID (may be anonymous)
-            session_id: Chat session ID
-            query: Search query
-
-        Returns:
-            AgentCarouselResponse: List of agents found in the marketplace
-            NoResultsResponse: No agents found in the marketplace
-            ErrorResponse: Error message
-        """
-        query = kwargs.get("query", "").strip()
-        session_id = session.session_id
-        if not query:
-            return ErrorResponse(
-                message="Please provide a search query",
-                session_id=session_id,
-            )
-        agents = []
-        try:
-            logger.info(f"Searching marketplace for: {query}")
-            store_results = await store_db.get_store_agents(
-                search_query=query,
-                page_size=5,
-            )
-
-            logger.info(f"Find agents tool found {len(store_results.agents)} agents")
-            for agent in store_results.agents:
-                agent_id = f"{agent.creator}/{agent.slug}"
-                logger.info(f"Building agent ID = {agent_id}")
-                agents.append(
-                    AgentInfo(
-                        id=agent_id,
-                        name=agent.agent_name,
-                        description=agent.description or "",
-                        source="marketplace",
-                        in_library=False,
-                        creator=agent.creator,
-                        category="general",
-                        rating=agent.rating,
-                        runs=agent.runs,
-                        is_featured=False,
-                    ),
-                )
-        except NotFoundError:
-            pass
-        except DatabaseError as e:
-            logger.error(f"Error searching agents: {e}", exc_info=True)
-            return ErrorResponse(
-                message="Failed to search for agents. Please try again.",
-                error=str(e),
-                session_id=session_id,
-            )
-        if not agents:
-            return NoResultsResponse(
-                message=f"No agents found matching '{query}'. Try different keywords or browse the marketplace. If you have 3 consecutive find_agent tool calls results and found no agents. Please stop trying and ask the user if there is anything else you can help with.",
-                session_id=session_id,
-                suggestions=[
-                    "Try more general terms",
-                    "Browse categories in the marketplace",
-                    "Check spelling",
-                ],
-            )
-
-        # Return formatted carousel
-        title = (
-            f"Found {len(agents)} agent{'s' if len(agents) != 1 else ''} for '{query}'"
-        )
-        return AgentCarouselResponse(
-            message="Now you have found some options for the user to choose from. You can add a link to a recommended agent at: /marketplace/agent/agent_id Please ask the user if they would like to use any of these agents. If they do, please call the get_agent_details tool for this agent.",
-            title=title,
-            agents=agents,
-            count=len(agents),
-            session_id=session_id,
+        return await search_agents(
+            query=kwargs.get("query", "").strip(),
+            source="marketplace",
+            session_id=session.session_id,
+            user_id=user_id,
         )

autogpt_platform/backend/backend/api/features/chat/tools/find_library_agent.py

@@ -0,0 +1,52 @@
+"""Tool for searching agents in the user's library."""
+
+from typing import Any
+
+from backend.api.features.chat.model import ChatSession
+
+from .agent_search import search_agents
+from .base import BaseTool
+from .models import ToolResponseBase
+
+
+class FindLibraryAgentTool(BaseTool):
+    """Tool for searching agents in the user's library."""
+
+    @property
+    def name(self) -> str:
+        return "find_library_agent"
+
+    @property
+    def description(self) -> str:
+        return (
+            "Search for agents in the user's library. Use this to find agents "
+            "the user has already added to their library, including agents they "
+            "created or added from the marketplace."
+        )
+
+    @property
+    def parameters(self) -> dict[str, Any]:
+        return {
+            "type": "object",
+            "properties": {
+                "query": {
+                    "type": "string",
+                    "description": "Search query to find agents by name or description.",
+                },
+            },
+            "required": ["query"],
+        }
+
+    @property
+    def requires_auth(self) -> bool:
+        return True
+
+    async def _execute(
+        self, user_id: str | None, session: ChatSession, **kwargs
+    ) -> ToolResponseBase:
+        return await search_agents(
+            query=kwargs.get("query", "").strip(),
+            source="library",
+            session_id=session.session_id,
+            user_id=user_id,
+        )

autogpt_platform/backend/backend/api/features/chat/tools/models.py

@@ -1,5 +1,6 @@
 """Pydantic models for tool responses."""
 
+from datetime import datetime
 from enum import Enum
 from typing import Any
 
@@ -11,14 +12,15 @@ from backend.data.model import CredentialsMetaInput
 class ResponseType(str, Enum):
     """Types of tool responses."""
 
-    AGENT_CAROUSEL = "agent_carousel"
+    AGENTS_FOUND = "agents_found"
     AGENT_DETAILS = "agent_details"
     SETUP_REQUIREMENTS = "setup_requirements"
     EXECUTION_STARTED = "execution_started"
     NEED_LOGIN = "need_login"
     ERROR = "error"
     NO_RESULTS = "no_results"
-    SUCCESS = "success"
+    AGENT_OUTPUT = "agent_output"
+    UNDERSTANDING_UPDATED = "understanding_updated"
 
 
 # Base response model
@@ -51,14 +53,14 @@ class AgentInfo(BaseModel):
     graph_id: str | None = None
 
 
-class AgentCarouselResponse(ToolResponseBase):
+class AgentsFoundResponse(ToolResponseBase):
     """Response for find_agent tool."""
 
-    type: ResponseType = ResponseType.AGENT_CAROUSEL
+    type: ResponseType = ResponseType.AGENTS_FOUND
     title: str = "Available Agents"
     agents: list[AgentInfo]
     count: int
-    name: str = "agent_carousel"
+    name: str = "agents_found"
 
 
 class NoResultsResponse(ToolResponseBase):
@@ -173,3 +175,37 @@ class ErrorResponse(ToolResponseBase):
     type: ResponseType = ResponseType.ERROR
     error: str | None = None
     details: dict[str, Any] | None = None
+
+
+# Agent output models
+class ExecutionOutputInfo(BaseModel):
+    """Summary of a single execution's outputs."""
+
+    execution_id: str
+    status: str
+    started_at: datetime | None = None
+    ended_at: datetime | None = None
+    outputs: dict[str, list[Any]]
+    inputs_summary: dict[str, Any] | None = None
+
+
+class AgentOutputResponse(ToolResponseBase):
+    """Response for agent_output tool."""
+
+    type: ResponseType = ResponseType.AGENT_OUTPUT
+    agent_name: str
+    agent_id: str
+    library_agent_id: str | None = None
+    library_agent_link: str | None = None
+    execution: ExecutionOutputInfo | None = None
+    available_executions: list[dict[str, Any]] | None = None
+    total_executions: int = 0
+
+
+# Business understanding models
+class UnderstandingUpdatedResponse(ToolResponseBase):
+    """Response for add_understanding tool."""
+
+    type: ResponseType = ResponseType.UNDERSTANDING_UPDATED
+    updated_fields: list[str] = Field(default_factory=list)
+    current_understanding: dict[str, Any] = Field(default_factory=dict)

autogpt_platform/backend/backend/api/features/chat/tools/run_agent.py

@@ -7,6 +7,7 @@ from pydantic import BaseModel, Field, field_validator
 
 from backend.api.features.chat.config import ChatConfig
 from backend.api.features.chat.model import ChatSession
+from backend.api.features.library import db as library_db
 from backend.data.graph import GraphModel
 from backend.data.model import CredentialsMetaInput
 from backend.data.user import get_user_by_id
@@ -57,6 +58,7 @@ class RunAgentInput(BaseModel):
     """Input parameters for the run_agent tool."""
 
     username_agent_slug: str = ""
+    library_agent_id: str = ""
     inputs: dict[str, Any] = Field(default_factory=dict)
     use_defaults: bool = False
     schedule_name: str = ""
@@ -64,7 +66,12 @@ class RunAgentInput(BaseModel):
     timezone: str = "UTC"
 
     @field_validator(
-        "username_agent_slug", "schedule_name", "cron", "timezone", mode="before"
+        "username_agent_slug",
+        "library_agent_id",
+        "schedule_name",
+        "cron",
+        "timezone",
+        mode="before",
     )
     @classmethod
     def strip_strings(cls, v: Any) -> Any:
@@ -90,7 +97,7 @@ class RunAgentTool(BaseTool):
 
     @property
     def description(self) -> str:
-        return """Run or schedule an agent from the marketplace.
+        return """Run or schedule an agent from the marketplace or user's library.
 
         The tool automatically handles the setup flow:
         - Returns missing inputs if required fields are not provided
@@ -98,6 +105,10 @@ class RunAgentTool(BaseTool):
         - Executes immediately if all requirements are met
         - Schedules execution if cron expression is provided
 
+        Identify the agent using either:
+        - username_agent_slug: Marketplace format 'username/agent-name'
+        - library_agent_id: ID of an agent in the user's library
+
         For scheduled execution, provide: schedule_name, cron, and optionally timezone."""
 
     @property
@@ -109,6 +120,10 @@ class RunAgentTool(BaseTool):
                     "type": "string",
                     "description": "Agent identifier in format 'username/agent-name'",
                 },
+                "library_agent_id": {
+                    "type": "string",
+                    "description": "Library agent ID from user's library",
+                },
                 "inputs": {
                     "type": "object",
                     "description": "Input values for the agent",
@@ -131,7 +146,7 @@ class RunAgentTool(BaseTool):
                     "description": "IANA timezone for schedule (default: UTC)",
                 },
             },
-            "required": ["username_agent_slug"],
+            "required": [],
         }
 
     @property
@@ -149,10 +164,16 @@ class RunAgentTool(BaseTool):
         params = RunAgentInput(**kwargs)
         session_id = session.session_id
 
-        # Validate agent slug format
-        if not params.username_agent_slug or "/" not in params.username_agent_slug:
+        # Validate at least one identifier is provided
+        has_slug = params.username_agent_slug and "/" in params.username_agent_slug
+        has_library_id = bool(params.library_agent_id)
+
+        if not has_slug and not has_library_id:
             return ErrorResponse(
-                message="Please provide an agent slug in format 'username/agent-name'",
+                message=(
+                    "Please provide either a username_agent_slug "
+                    "(format 'username/agent-name') or a library_agent_id"
+                ),
                 session_id=session_id,
             )
 
@@ -167,13 +188,41 @@ class RunAgentTool(BaseTool):
         is_schedule = bool(params.schedule_name or params.cron)
 
         try:
-            # Step 1: Fetch agent details (always happens first)
-            username, agent_name = params.username_agent_slug.split("/", 1)
-            graph, store_agent = await fetch_graph_from_store_slug(username, agent_name)
+            # Step 1: Fetch agent details
+            graph: GraphModel | None = None
+            library_agent = None
+
+            # Priority: library_agent_id if provided
+            if has_library_id:
+                library_agent = await library_db.get_library_agent(
+                    params.library_agent_id, user_id
+                )
+                if not library_agent:
+                    return ErrorResponse(
+                        message=f"Library agent '{params.library_agent_id}' not found",
+                        session_id=session_id,
+                    )
+                # Get the graph from the library agent
+                from backend.data.graph import get_graph
+
+                graph = await get_graph(
+                    library_agent.graph_id,
+                    library_agent.graph_version,
+                    user_id=user_id,
+                )
+            else:
+                # Fetch from marketplace slug
+                username, agent_name = params.username_agent_slug.split("/", 1)
+                graph, _ = await fetch_graph_from_store_slug(username, agent_name)
 
             if not graph:
+                identifier = (
+                    params.library_agent_id
+                    if has_library_id
+                    else params.username_agent_slug
+                )
                 return ErrorResponse(
-                    message=f"Agent '{params.username_agent_slug}' not found in marketplace",
+                    message=f"Agent '{identifier}' not found",
                     session_id=session_id,
                 )
 

autogpt_platform/backend/backend/api/features/chat/tools/run_agent_test.py

@@ -46,11 +46,11 @@ async def test_run_agent(setup_test_data):
 
     # Verify the response
     assert response is not None
-    assert hasattr(response, "result")
+    assert hasattr(response, "output")
     # Parse the result JSON to verify the execution started
 
-    assert isinstance(response.result, str)
-    result_data = orjson.loads(response.result)
+    assert isinstance(response.output, str)
+    result_data = orjson.loads(response.output)
     assert "execution_id" in result_data
     assert "graph_id" in result_data
     assert result_data["graph_id"] == graph.id
@@ -86,11 +86,11 @@ async def test_run_agent_missing_inputs(setup_test_data):
 
     # Verify that we get an error response
     assert response is not None
-    assert hasattr(response, "result")
+    assert hasattr(response, "output")
     # The tool should return an ErrorResponse when setup info indicates not ready
 
-    assert isinstance(response.result, str)
-    result_data = orjson.loads(response.result)
+    assert isinstance(response.output, str)
+    result_data = orjson.loads(response.output)
     assert "message" in result_data
 
 
@@ -118,10 +118,10 @@ async def test_run_agent_invalid_agent_id(setup_test_data):
 
     # Verify that we get an error response
     assert response is not None
-    assert hasattr(response, "result")
+    assert hasattr(response, "output")
 
-    assert isinstance(response.result, str)
-    result_data = orjson.loads(response.result)
+    assert isinstance(response.output, str)
+    result_data = orjson.loads(response.output)
     assert "message" in result_data
     # Should get an error about failed setup or not found
     assert any(
@@ -158,12 +158,12 @@ async def test_run_agent_with_llm_credentials(setup_llm_test_data):
 
     # Verify the response
     assert response is not None
-    assert hasattr(response, "result")
+    assert hasattr(response, "output")
 
     # Parse the result JSON to verify the execution started
 
-    assert isinstance(response.result, str)
-    result_data = orjson.loads(response.result)
+    assert isinstance(response.output, str)
+    result_data = orjson.loads(response.output)
 
     # Should successfully start execution since credentials are available
     assert "execution_id" in result_data
@@ -195,9 +195,9 @@ async def test_run_agent_shows_available_inputs_when_none_provided(setup_test_da
     )
 
     assert response is not None
-    assert hasattr(response, "result")
-    assert isinstance(response.result, str)
-    result_data = orjson.loads(response.result)
+    assert hasattr(response, "output")
+    assert isinstance(response.output, str)
+    result_data = orjson.loads(response.output)
 
     # Should return agent_details type showing available inputs
     assert result_data.get("type") == "agent_details"
@@ -230,9 +230,9 @@ async def test_run_agent_with_use_defaults(setup_test_data):
     )
 
     assert response is not None
-    assert hasattr(response, "result")
-    assert isinstance(response.result, str)
-    result_data = orjson.loads(response.result)
+    assert hasattr(response, "output")
+    assert isinstance(response.output, str)
+    result_data = orjson.loads(response.output)
 
     # Should execute successfully
     assert "execution_id" in result_data
@@ -260,9 +260,9 @@ async def test_run_agent_missing_credentials(setup_firecrawl_test_data):
     )
 
     assert response is not None
-    assert hasattr(response, "result")
-    assert isinstance(response.result, str)
-    result_data = orjson.loads(response.result)
+    assert hasattr(response, "output")
+    assert isinstance(response.output, str)
+    result_data = orjson.loads(response.output)
 
     # Should return setup_requirements type with missing credentials
     assert result_data.get("type") == "setup_requirements"
@@ -292,9 +292,9 @@ async def test_run_agent_invalid_slug_format(setup_test_data):
     )
 
     assert response is not None
-    assert hasattr(response, "result")
-    assert isinstance(response.result, str)
-    result_data = orjson.loads(response.result)
+    assert hasattr(response, "output")
+    assert isinstance(response.output, str)
+    result_data = orjson.loads(response.output)
 
     # Should return error
     assert result_data.get("type") == "error"
@@ -318,9 +318,9 @@ async def test_run_agent_unauthenticated():
     )
 
     assert response is not None
-    assert hasattr(response, "result")
-    assert isinstance(response.result, str)
-    result_data = orjson.loads(response.result)
+    assert hasattr(response, "output")
+    assert isinstance(response.output, str)
+    result_data = orjson.loads(response.output)
 
     # Base tool returns need_login type for unauthenticated users
     assert result_data.get("type") == "need_login"
@@ -350,9 +350,9 @@ async def test_run_agent_schedule_without_cron(setup_test_data):
     )
 
     assert response is not None
-    assert hasattr(response, "result")
-    assert isinstance(response.result, str)
-    result_data = orjson.loads(response.result)
+    assert hasattr(response, "output")
+    assert isinstance(response.output, str)
+    result_data = orjson.loads(response.output)
 
     # Should return error about missing cron
     assert result_data.get("type") == "error"
@@ -382,9 +382,9 @@ async def test_run_agent_schedule_without_name(setup_test_data):
     )
 
     assert response is not None
-    assert hasattr(response, "result")
-    assert isinstance(response.result, str)
-    result_data = orjson.loads(response.result)
+    assert hasattr(response, "output")
+    assert isinstance(response.output, str)
+    result_data = orjson.loads(response.output)
 
     # Should return error about missing schedule_name
     assert result_data.get("type") == "error"

autogpt_platform/backend/backend/data/understanding.py

@@ -0,0 +1,404 @@
+"""Data models and access layer for user business understanding."""
+
+import logging
+from datetime import datetime
+from typing import Any, Optional, cast
+
+import pydantic
+from prisma.models import CoPilotUnderstanding
+
+from backend.data.redis_client import get_redis_async
+from backend.util.json import SafeJson
+
+logger = logging.getLogger(__name__)
+
+# Cache configuration
+CACHE_KEY_PREFIX = "understanding"
+CACHE_TTL_SECONDS = 48 * 60 * 60  # 48 hours
+
+
+def _cache_key(user_id: str) -> str:
+    """Generate cache key for user business understanding."""
+    return f"{CACHE_KEY_PREFIX}:{user_id}"
+
+
+def _json_to_list(value: Any) -> list[str]:
+    """Convert Json field to list[str], handling None."""
+    if value is None:
+        return []
+    if isinstance(value, list):
+        return cast(list[str], value)
+    return []
+
+
+class BusinessUnderstandingInput(pydantic.BaseModel):
+    """Input model for updating business understanding - all fields optional for incremental updates."""
+
+    # User info
+    user_name: Optional[str] = pydantic.Field(None, description="The user's name")
+    job_title: Optional[str] = pydantic.Field(None, description="The user's job title")
+
+    # Business basics
+    business_name: Optional[str] = pydantic.Field(
+        None, description="Name of the user's business"
+    )
+    industry: Optional[str] = pydantic.Field(None, description="Industry or sector")
+    business_size: Optional[str] = pydantic.Field(
+        None, description="Company size (e.g., '1-10', '11-50')"
+    )
+    user_role: Optional[str] = pydantic.Field(
+        None,
+        description="User's role in the organization (e.g., 'decision maker', 'implementer')",
+    )
+
+    # Processes & activities
+    key_workflows: Optional[list[str]] = pydantic.Field(
+        None, description="Key business workflows"
+    )
+    daily_activities: Optional[list[str]] = pydantic.Field(
+        None, description="Daily activities performed"
+    )
+
+    # Pain points & goals
+    pain_points: Optional[list[str]] = pydantic.Field(
+        None, description="Current pain points"
+    )
+    bottlenecks: Optional[list[str]] = pydantic.Field(
+        None, description="Process bottlenecks"
+    )
+    manual_tasks: Optional[list[str]] = pydantic.Field(
+        None, description="Manual/repetitive tasks"
+    )
+    automation_goals: Optional[list[str]] = pydantic.Field(
+        None, description="Desired automation goals"
+    )
+
+    # Current tools
+    current_software: Optional[list[str]] = pydantic.Field(
+        None, description="Software/tools currently used"
+    )
+    existing_automation: Optional[list[str]] = pydantic.Field(
+        None, description="Existing automations"
+    )
+
+    # Additional context
+    additional_notes: Optional[str] = pydantic.Field(
+        None, description="Any additional context"
+    )
+
+
+class BusinessUnderstanding(pydantic.BaseModel):
+    """Full business understanding model returned from database."""
+
+    id: str
+    user_id: str
+    created_at: datetime
+    updated_at: datetime
+
+    # User info
+    user_name: Optional[str] = None
+    job_title: Optional[str] = None
+
+    # Business basics
+    business_name: Optional[str] = None
+    industry: Optional[str] = None
+    business_size: Optional[str] = None
+    user_role: Optional[str] = None
+
+    # Processes & activities
+    key_workflows: list[str] = pydantic.Field(default_factory=list)
+    daily_activities: list[str] = pydantic.Field(default_factory=list)
+
+    # Pain points & goals
+    pain_points: list[str] = pydantic.Field(default_factory=list)
+    bottlenecks: list[str] = pydantic.Field(default_factory=list)
+    manual_tasks: list[str] = pydantic.Field(default_factory=list)
+    automation_goals: list[str] = pydantic.Field(default_factory=list)
+
+    # Current tools
+    current_software: list[str] = pydantic.Field(default_factory=list)
+    existing_automation: list[str] = pydantic.Field(default_factory=list)
+
+    # Additional context
+    additional_notes: Optional[str] = None
+
+    @classmethod
+    def from_db(cls, db_record: CoPilotUnderstanding) -> "BusinessUnderstanding":
+        """Convert database record to Pydantic model."""
+        data = db_record.data if isinstance(db_record.data, dict) else {}
+        business = (
+            data.get("business", {}) if isinstance(data.get("business"), dict) else {}
+        )
+        return cls(
+            id=db_record.id,
+            user_id=db_record.userId,
+            created_at=db_record.createdAt,
+            updated_at=db_record.updatedAt,
+            user_name=data.get("name"),
+            job_title=business.get("job_title"),
+            business_name=business.get("business_name"),
+            industry=business.get("industry"),
+            business_size=business.get("business_size"),
+            user_role=business.get("user_role"),
+            key_workflows=_json_to_list(business.get("key_workflows")),
+            daily_activities=_json_to_list(business.get("daily_activities")),
+            pain_points=_json_to_list(business.get("pain_points")),
+            bottlenecks=_json_to_list(business.get("bottlenecks")),
+            manual_tasks=_json_to_list(business.get("manual_tasks")),
+            automation_goals=_json_to_list(business.get("automation_goals")),
+            current_software=_json_to_list(business.get("current_software")),
+            existing_automation=_json_to_list(business.get("existing_automation")),
+            additional_notes=business.get("additional_notes"),
+        )
+
+
+def _merge_lists(existing: list | None, new: list | None) -> list | None:
+    """Merge two lists, removing duplicates while preserving order."""
+    if new is None:
+        return existing
+    if existing is None:
+        return new
+    # Preserve order, add new items that don't exist
+    merged = list(existing)
+    for item in new:
+        if item not in merged:
+            merged.append(item)
+    return merged
+
+
+async def _get_from_cache(user_id: str) -> Optional[BusinessUnderstanding]:
+    """Get business understanding from Redis cache."""
+    try:
+        redis = await get_redis_async()
+        cached_data = await redis.get(_cache_key(user_id))
+        if cached_data:
+            return BusinessUnderstanding.model_validate_json(cached_data)
+    except Exception as e:
+        logger.warning(f"Failed to get understanding from cache: {e}")
+    return None
+
+
+async def _set_cache(user_id: str, understanding: BusinessUnderstanding) -> None:
+    """Set business understanding in Redis cache with TTL."""
+    try:
+        redis = await get_redis_async()
+        await redis.setex(
+            _cache_key(user_id),
+            CACHE_TTL_SECONDS,
+            understanding.model_dump_json(),
+        )
+    except Exception as e:
+        logger.warning(f"Failed to set understanding in cache: {e}")
+
+
+async def _delete_cache(user_id: str) -> None:
+    """Delete business understanding from Redis cache."""
+    try:
+        redis = await get_redis_async()
+        await redis.delete(_cache_key(user_id))
+    except Exception as e:
+        logger.warning(f"Failed to delete understanding from cache: {e}")
+
+
+async def get_business_understanding(
+    user_id: str,
+) -> Optional[BusinessUnderstanding]:
+    """Get the business understanding for a user.
+
+    Checks cache first, falls back to database if not cached.
+    Results are cached for 48 hours.
+    """
+    # Try cache first
+    cached = await _get_from_cache(user_id)
+    if cached:
+        logger.debug(f"Business understanding cache hit for user {user_id}")
+        return cached
+
+    # Cache miss - load from database
+    logger.debug(f"Business understanding cache miss for user {user_id}")
+    record = await CoPilotUnderstanding.prisma().find_unique(where={"userId": user_id})
+    if record is None:
+        return None
+
+    understanding = BusinessUnderstanding.from_db(record)
+
+    # Store in cache for next time
+    await _set_cache(user_id, understanding)
+
+    return understanding
+
+
+async def upsert_business_understanding(
+    user_id: str,
+    input_data: BusinessUnderstandingInput,
+) -> BusinessUnderstanding:
+    """
+    Create or update business understanding with incremental merge strategy.
+
+    - String fields: new value overwrites if provided (not None)
+    - List fields: new items are appended to existing (deduplicated)
+
+    Data is stored as: {name: ..., business: {version: 1, ...}}
+    """
+    # Get existing record for merge
+    existing = await CoPilotUnderstanding.prisma().find_unique(
+        where={"userId": user_id}
+    )
+
+    # Get existing data structure or start fresh
+    existing_data: dict[str, Any] = {}
+    if existing and isinstance(existing.data, dict):
+        existing_data = dict(existing.data)
+
+    existing_business: dict[str, Any] = {}
+    if isinstance(existing_data.get("business"), dict):
+        existing_business = dict(existing_data["business"])
+
+    # Business fields (stored inside business object)
+    business_string_fields = [
+        "job_title",
+        "business_name",
+        "industry",
+        "business_size",
+        "user_role",
+        "additional_notes",
+    ]
+    business_list_fields = [
+        "key_workflows",
+        "daily_activities",
+        "pain_points",
+        "bottlenecks",
+        "manual_tasks",
+        "automation_goals",
+        "current_software",
+        "existing_automation",
+    ]
+
+    # Handle top-level name field
+    if input_data.user_name is not None:
+        existing_data["name"] = input_data.user_name
+
+    # Business string fields - overwrite if provided
+    for field in business_string_fields:
+        value = getattr(input_data, field)
+        if value is not None:
+            existing_business[field] = value
+
+    # Business list fields - merge with existing
+    for field in business_list_fields:
+        value = getattr(input_data, field)
+        if value is not None:
+            existing_list = _json_to_list(existing_business.get(field))
+            merged = _merge_lists(existing_list, value)
+            existing_business[field] = merged
+
+    # Set version and nest business data
+    existing_business["version"] = 1
+    existing_data["business"] = existing_business
+
+    # Upsert with the merged data
+    record = await CoPilotUnderstanding.prisma().upsert(
+        where={"userId": user_id},
+        data={
+            "create": {"userId": user_id, "data": SafeJson(existing_data)},
+            "update": {"data": SafeJson(existing_data)},
+        },
+    )
+
+    understanding = BusinessUnderstanding.from_db(record)
+
+    # Update cache with new understanding
+    await _set_cache(user_id, understanding)
+
+    return understanding
+
+
+async def clear_business_understanding(user_id: str) -> bool:
+    """Clear/delete business understanding for a user from both DB and cache."""
+    # Delete from cache first
+    await _delete_cache(user_id)
+
+    try:
+        await CoPilotUnderstanding.prisma().delete(where={"userId": user_id})
+        return True
+    except Exception:
+        # Record might not exist
+        return False
+
+
+def format_understanding_for_prompt(understanding: BusinessUnderstanding) -> str:
+    """Format business understanding as text for system prompt injection."""
+    sections = []
+
+    # User info section
+    user_info = []
+    if understanding.user_name:
+        user_info.append(f"Name: {understanding.user_name}")
+    if understanding.job_title:
+        user_info.append(f"Job Title: {understanding.job_title}")
+    if user_info:
+        sections.append("## User\n" + "\n".join(user_info))
+
+    # Business section
+    business_info = []
+    if understanding.business_name:
+        business_info.append(f"Company: {understanding.business_name}")
+    if understanding.industry:
+        business_info.append(f"Industry: {understanding.industry}")
+    if understanding.business_size:
+        business_info.append(f"Size: {understanding.business_size}")
+    if understanding.user_role:
+        business_info.append(f"Role Context: {understanding.user_role}")
+    if business_info:
+        sections.append("## Business\n" + "\n".join(business_info))
+
+    # Processes section
+    processes = []
+    if understanding.key_workflows:
+        processes.append(f"Key Workflows: {', '.join(understanding.key_workflows)}")
+    if understanding.daily_activities:
+        processes.append(
+            f"Daily Activities: {', '.join(understanding.daily_activities)}"
+        )
+    if processes:
+        sections.append("## Processes\n" + "\n".join(processes))
+
+    # Pain points section
+    pain_points = []
+    if understanding.pain_points:
+        pain_points.append(f"Pain Points: {', '.join(understanding.pain_points)}")
+    if understanding.bottlenecks:
+        pain_points.append(f"Bottlenecks: {', '.join(understanding.bottlenecks)}")
+    if understanding.manual_tasks:
+        pain_points.append(f"Manual Tasks: {', '.join(understanding.manual_tasks)}")
+    if pain_points:
+        sections.append("## Pain Points\n" + "\n".join(pain_points))
+
+    # Goals section
+    if understanding.automation_goals:
+        sections.append(
+            "## Automation Goals\n"
+            + "\n".join(f"- {goal}" for goal in understanding.automation_goals)
+        )
+
+    # Current tools section
+    tools_info = []
+    if understanding.current_software:
+        tools_info.append(
+            f"Current Software: {', '.join(understanding.current_software)}"
+        )
+    if understanding.existing_automation:
+        tools_info.append(
+            f"Existing Automation: {', '.join(understanding.existing_automation)}"
+        )
+    if tools_info:
+        sections.append("## Current Tools\n" + "\n".join(tools_info))
+
+    # Additional notes
+    if understanding.additional_notes:
+        sections.append(f"## Additional Context\n{understanding.additional_notes}")
+
+    if not sections:
+        return ""
+
+    return "# User Business Context\n\n" + "\n\n".join(sections)

autogpt_platform/backend/backend/util/settings.py

@@ -658,6 +658,14 @@ class Secrets(UpdateTrackingModel["Secrets"], BaseSettings):
 
     ayrshare_api_key: str = Field(default="", description="Ayrshare API Key")
     ayrshare_jwt_key: str = Field(default="", description="Ayrshare private Key")
+
+    # Langfuse prompt management
+    langfuse_public_key: str = Field(default="", description="Langfuse public key")
+    langfuse_secret_key: str = Field(default="", description="Langfuse secret key")
+    langfuse_host: str = Field(
+        default="https://cloud.langfuse.com", description="Langfuse host URL"
+    )
+
     # Add more secret fields as needed
     model_config = SettingsConfigDict(
         env_file=".env",

autogpt_platform/backend/migrations/20260114084601_add_chat_tables/migration.sql

@@ -0,0 +1,64 @@
+-- DropIndex
+DROP INDEX "StoreListingVersion_storeListingId_version_key";
+
+-- CreateTable
+CREATE TABLE "CoPilotUnderstanding" (
+    "id" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "userId" TEXT NOT NULL,
+    "data" JSONB,
+
+    CONSTRAINT "CoPilotUnderstanding_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "ChatSession" (
+    "id" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "userId" TEXT,
+    "title" TEXT,
+    "credentials" JSONB NOT NULL DEFAULT '{}',
+    "successfulAgentRuns" JSONB NOT NULL DEFAULT '{}',
+    "successfulAgentSchedules" JSONB NOT NULL DEFAULT '{}',
+    "totalPromptTokens" INTEGER NOT NULL DEFAULT 0,
+    "totalCompletionTokens" INTEGER NOT NULL DEFAULT 0,
+
+    CONSTRAINT "ChatSession_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "ChatMessage" (
+    "id" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "sessionId" TEXT NOT NULL,
+    "role" TEXT NOT NULL,
+    "content" TEXT,
+    "name" TEXT,
+    "toolCallId" TEXT,
+    "refusal" TEXT,
+    "toolCalls" JSONB,
+    "functionCall" JSONB,
+    "sequence" INTEGER NOT NULL,
+
+    CONSTRAINT "ChatMessage_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "CoPilotUnderstanding_userId_key" ON "CoPilotUnderstanding"("userId");
+
+-- CreateIndex
+CREATE INDEX "CoPilotUnderstanding_userId_idx" ON "CoPilotUnderstanding"("userId");
+
+-- CreateIndex
+CREATE INDEX "ChatSession_userId_updatedAt_idx" ON "ChatSession"("userId", "updatedAt");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "ChatMessage_sessionId_sequence_key" ON "ChatMessage"("sessionId", "sequence");
+
+-- AddForeignKey
+ALTER TABLE "CoPilotUnderstanding" ADD CONSTRAINT "CoPilotUnderstanding_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "ChatMessage" ADD CONSTRAINT "ChatMessage_sessionId_fkey" FOREIGN KEY ("sessionId") REFERENCES "ChatSession"("id") ON DELETE CASCADE ON UPDATE CASCADE;

autogpt_platform/backend/poetry.lock

@@ -2777,6 +2777,30 @@ enabler = ["pytest-enabler (>=2.2)"]
 test = ["pyfakefs", "pytest (>=6,!=8.1.*)"]
 type = ["pygobject-stubs", "pytest-mypy", "shtab", "types-pywin32"]
 
+[[package]]
+name = "langfuse"
+version = "3.11.2"
+description = "A client library for accessing langfuse"
+optional = false
+python-versions = "<4.0,>=3.10"
+groups = ["main"]
+files = [
+    {file = "langfuse-3.11.2-py3-none-any.whl", hash = "sha256:84faea9f909694023cc7f0eb45696be190248c8790424f22af57ca4cd7a29f2d"},
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+    {file = "wrapt-1.17.3.tar.gz", hash = "sha256:f66eb08feaa410fe4eebd17f2a2c8e2e46d3476e9f8c783daa8e09e0faa666d0"},
+]
+
 [[package]]
 name = "xattr"
 version = "1.2.0"
@@ -7295,4 +7494,4 @@ cffi = ["cffi (>=1.11)"]
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10,<3.14"
-content-hash = "a93ba0cea3b465cb6ec3e3f258b383b09f84ea352ccfdbfa112902cde5653fc6"
+content-hash = "86838b5ae40d606d6e01a14dad8a56c389d890d7a6a0c274a6602cca80f0df84"

autogpt_platform/backend/pyproject.toml

@@ -33,6 +33,7 @@ html2text = "^2024.2.26"
 jinja2 = "^3.1.6"
 jsonref = "^1.1.0"
 jsonschema = "^4.25.0"
+langfuse = "^3.11.0"
 launchdarkly-server-sdk = "^9.12.0"
 mem0ai = "^0.1.115"
 moviepy = "^2.1.2"

autogpt_platform/backend/schema.prisma

@@ -53,6 +53,7 @@ model User {
 
   Profile               Profile[]
   UserOnboarding        UserOnboarding?
+  CoPilotUnderstanding  CoPilotUnderstanding?
   BuilderSearchHistory  BuilderSearchHistory[]
   StoreListings         StoreListing[]
   StoreListingReviews   StoreListingReview[]
@@ -121,19 +122,84 @@ model UserOnboarding {
   User   User   @relation(fields: [userId], references: [id], onDelete: Cascade)
 }
 
+model CoPilotUnderstanding {
+  id        String   @id @default(uuid())
+  createdAt DateTime @default(now())
+  updatedAt DateTime @default(now()) @updatedAt
+
+  userId String @unique
+  User   User   @relation(fields: [userId], references: [id], onDelete: Cascade)
+
+  data Json?
+
+  @@index([userId])
+}
+
 model BuilderSearchHistory {
   id        String   @id @default(uuid())
   createdAt DateTime @default(now())
   updatedAt DateTime @default(now()) @updatedAt
 
   searchQuery String
-  filter      String[]  @default([])
-  byCreator   String[]  @default([])
+  filter      String[] @default([])
+  byCreator   String[] @default([])
 
   userId String
   User   User   @relation(fields: [userId], references: [id], onDelete: Cascade)
 }
 
+////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////
+////////////////   CHAT SESSION TABLES   ///////////////////
+////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////
+
+model ChatSession {
+  id        String   @id @default(uuid())
+  createdAt DateTime @default(now())
+  updatedAt DateTime @default(now()) @updatedAt
+
+  userId String?
+
+  // Session metadata
+  title       String?
+  credentials Json    @default("{}") // Map of provider -> credential metadata
+
+  // Rate limiting counters (stored as JSON maps)
+  successfulAgentRuns      Json @default("{}") // Map of graph_id -> count
+  successfulAgentSchedules Json @default("{}") // Map of graph_id -> count
+
+  // Usage tracking
+  totalPromptTokens     Int @default(0)
+  totalCompletionTokens Int @default(0)
+
+  Messages ChatMessage[]
+
+  @@index([userId, updatedAt])
+}
+
+model ChatMessage {
+  id        String   @id @default(uuid())
+  createdAt DateTime @default(now())
+
+  sessionId String
+  Session   ChatSession @relation(fields: [sessionId], references: [id], onDelete: Cascade)
+
+  // Message content
+  role         String // "user", "assistant", "system", "tool", "function"
+  content      String?
+  name         String?
+  toolCallId   String?
+  refusal      String?
+  toolCalls    Json? // List of tool calls for assistant messages
+  functionCall Json? // Deprecated but kept for compatibility
+
+  // Ordering within session
+  sequence Int
+
+  @@unique([sessionId, sequence])
+}
+
 // This model describes the Agent Graph/Flow (Multi Agent System).
 model AgentGraph {
   id        String    @default(uuid())
@@ -721,26 +787,26 @@ view StoreAgent {
   storeListingVersionId String
   updated_at            DateTime
 
-  slug                String
-  agent_name          String
-  agent_video         String?
-  agent_output_demo   String?
-  agent_image         String[]
+  slug              String
+  agent_name        String
+  agent_video       String?
+  agent_output_demo String?
+  agent_image       String[]
 
-  featured         Boolean                  @default(false)
-  creator_username String?
-  creator_avatar   String?
-  sub_heading      String
-  description      String
-  categories       String[]
-  search           Unsupported("tsvector")? @default(dbgenerated("''::tsvector"))
-  runs                Int
-  rating              Float
-  versions            String[]
-  agentGraphVersions  String[]
-  agentGraphId        String
-  is_available        Boolean                  @default(true)
-  useForOnboarding    Boolean                  @default(false)
+  featured           Boolean                  @default(false)
+  creator_username   String?
+  creator_avatar     String?
+  sub_heading        String
+  description        String
+  categories         String[]
+  search             Unsupported("tsvector")? @default(dbgenerated("''::tsvector"))
+  runs               Int
+  rating             Float
+  versions           String[]
+  agentGraphVersions String[]
+  agentGraphId       String
+  is_available       Boolean                  @default(true)
+  useForOnboarding   Boolean                  @default(false)
 
   // Materialized views used (refreshed every 15 minutes via pg_cron):
   // - mv_agent_run_counts - Pre-aggregated agent execution counts by agentGraphId
@@ -856,14 +922,14 @@ model StoreListingVersion {
   AgentGraph        AgentGraph @relation(fields: [agentGraphId, agentGraphVersion], references: [id, version])
 
   // Content fields
-  name                String
-  subHeading          String
-  videoUrl            String?
-  agentOutputDemoUrl  String?
-  imageUrls           String[]
-  description         String
-  instructions        String?
-  categories          String[]
+  name               String
+  subHeading         String
+  videoUrl           String?
+  agentOutputDemoUrl String?
+  imageUrls          String[]
+  description        String
+  instructions       String?
+  categories         String[]
 
   isFeatured Boolean @default(false)
 
@@ -899,7 +965,6 @@ model StoreListingVersion {
   // Reviews for this specific version
   Reviews StoreListingReview[]
 
-  @@unique([storeListingId, version])
   @@index([storeListingId, submissionStatus, isAvailable])
   @@index([submissionStatus])
   @@index([reviewerId])
@@ -998,16 +1063,16 @@ model OAuthApplication {
   updatedAt DateTime @updatedAt
 
   // Application metadata
-  name               String
-  description        String?
-  logoUrl            String? // URL to app logo stored in GCS
-  clientId           String @unique
-  clientSecret       String // Hashed with Scrypt (same as API keys)
-  clientSecretSalt   String // Salt for Scrypt hashing
+  name             String
+  description      String?
+  logoUrl          String? // URL to app logo stored in GCS
+  clientId         String  @unique
+  clientSecret     String // Hashed with Scrypt (same as API keys)
+  clientSecretSalt String // Salt for Scrypt hashing
 
   // OAuth configuration
   redirectUris String[] // Allowed callback URLs
-  grantTypes   String[] @default(["authorization_code", "refresh_token"])
+  grantTypes   String[]           @default(["authorization_code", "refresh_token"])
   scopes       APIKeyPermission[] // Which permissions the app can request
 
   // Application management

autogpt_platform/frontend/src/app/api/openapi.json

@@ -940,11 +940,67 @@
       }
     },
     "/api/chat/sessions": {
+      "get": {
+        "tags": ["v2", "chat", "chat"],
+        "summary": "List Sessions",
+        "description": "List chat sessions for the authenticated user.\n\nReturns a paginated list of chat sessions belonging to the current user,\nordered by most recently updated.\n\nArgs:\n    user_id: The authenticated user's ID.\n    limit: Maximum number of sessions to return (1-100).\n    offset: Number of sessions to skip for pagination.\n\nReturns:\n    ListSessionsResponse: List of session summaries and total count.",
+        "operationId": "getV2ListSessions",
+        "security": [{ "HTTPBearerJWT": [] }],
+        "parameters": [
+          {
+            "name": "limit",
+            "in": "query",
+            "required": false,
+            "schema": {
+              "type": "integer",
+              "maximum": 100,
+              "minimum": 1,
+              "default": 50,
+              "title": "Limit"
+            }
+          },
+          {
+            "name": "offset",
+            "in": "query",
+            "required": false,
+            "schema": {
+              "type": "integer",
+              "minimum": 0,
+              "default": 0,
+              "title": "Offset"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "Successful Response",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ListSessionsResponse"
+                }
+              }
+            }
+          },
+          "401": {
+            "$ref": "#/components/responses/HTTP401NotAuthenticatedError"
+          },
+          "422": {
+            "description": "Validation Error",
+            "content": {
+              "application/json": {
+                "schema": { "$ref": "#/components/schemas/HTTPValidationError" }
+              }
+            }
+          }
+        }
+      },
       "post": {
         "tags": ["v2", "chat", "chat"],
         "summary": "Create Session",
         "description": "Create a new chat session.\n\nInitiates a new chat session for either an authenticated or anonymous user.\n\nArgs:\n    user_id: The optional authenticated user ID parsed from the JWT. If missing, creates an anonymous session.\n\nReturns:\n    CreateSessionResponse: Details of the created session.",
         "operationId": "postV2CreateSession",
+        "security": [{ "HTTPBearerJWT": [] }],
         "responses": {
           "200": {
             "description": "Successful Response",
@@ -959,8 +1015,7 @@
           "401": {
             "$ref": "#/components/responses/HTTP401NotAuthenticatedError"
           }
-        },
-        "security": [{ "HTTPBearerJWT": [] }]
+        }
       }
     },
     "/api/chat/sessions/{session_id}": {
@@ -1048,9 +1103,9 @@
     "/api/chat/sessions/{session_id}/stream": {
       "get": {
         "tags": ["v2", "chat", "chat"],
-        "summary": "Stream Chat",
-        "description": "Stream chat responses for a session.\n\nStreams the AI/completion responses in real time over Server-Sent Events (SSE), including:\n  - Text fragments as they are generated\n  - Tool call UI elements (if invoked)\n  - Tool execution results\n\nArgs:\n    session_id: The chat session identifier to associate with the streamed messages.\n    message: The user's new message to process.\n    user_id: Optional authenticated user ID.\n    is_user_message: Whether the message is a user message.\nReturns:\n    StreamingResponse: SSE-formatted response chunks.",
-        "operationId": "getV2StreamChat",
+        "summary": "Stream Chat Get",
+        "description": "Stream chat responses for a session (GET - legacy endpoint).\n\nStreams the AI/completion responses in real time over Server-Sent Events (SSE), including:\n  - Text fragments as they are generated\n  - Tool call UI elements (if invoked)\n  - Tool execution results\n\nArgs:\n    session_id: The chat session identifier to associate with the streamed messages.\n    message: The user's new message to process.\n    user_id: Optional authenticated user ID.\n    is_user_message: Whether the message is a user message.\nReturns:\n    StreamingResponse: SSE-formatted response chunks.",
+        "operationId": "getV2StreamChatGet",
         "security": [{ "HTTPBearerJWT": [] }],
         "parameters": [
           {
@@ -1098,6 +1153,46 @@
             }
           }
         }
+      },
+      "post": {
+        "tags": ["v2", "chat", "chat"],
+        "summary": "Stream Chat Post",
+        "description": "Stream chat responses for a session (POST with context support).\n\nStreams the AI/completion responses in real time over Server-Sent Events (SSE), including:\n  - Text fragments as they are generated\n  - Tool call UI elements (if invoked)\n  - Tool execution results\n\nArgs:\n    session_id: The chat session identifier to associate with the streamed messages.\n    request: Request body containing message, is_user_message, and optional context.\n    user_id: Optional authenticated user ID.\nReturns:\n    StreamingResponse: SSE-formatted response chunks.",
+        "operationId": "postV2StreamChatPost",
+        "security": [{ "HTTPBearerJWT": [] }],
+        "parameters": [
+          {
+            "name": "session_id",
+            "in": "path",
+            "required": true,
+            "schema": { "type": "string", "title": "Session Id" }
+          }
+        ],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {
+              "schema": { "$ref": "#/components/schemas/StreamChatRequest" }
+            }
+          }
+        },
+        "responses": {
+          "200": {
+            "description": "Successful Response",
+            "content": { "application/json": { "schema": {} } }
+          },
+          "401": {
+            "$ref": "#/components/responses/HTTP401NotAuthenticatedError"
+          },
+          "422": {
+            "description": "Validation Error",
+            "content": {
+              "application/json": {
+                "schema": { "$ref": "#/components/schemas/HTTPValidationError" }
+              }
+            }
+          }
+        }
       }
     },
     "/api/credits": {
@@ -8019,6 +8114,20 @@
         "required": ["source_id", "sink_id", "source_name", "sink_name"],
         "title": "Link"
       },
+      "ListSessionsResponse": {
+        "properties": {
+          "sessions": {
+            "items": { "$ref": "#/components/schemas/SessionSummaryResponse" },
+            "type": "array",
+            "title": "Sessions"
+          },
+          "total": { "type": "integer", "title": "Total" }
+        },
+        "type": "object",
+        "required": ["sessions", "total"],
+        "title": "ListSessionsResponse",
+        "description": "Response model for listing chat sessions."
+      },
       "LogRawMetricRequest": {
         "properties": {
           "metric_name": {
@@ -9348,6 +9457,21 @@
         "title": "SessionDetailResponse",
         "description": "Response model providing complete details for a chat session, including messages."
       },
+      "SessionSummaryResponse": {
+        "properties": {
+          "id": { "type": "string", "title": "Id" },
+          "created_at": { "type": "string", "title": "Created At" },
+          "updated_at": { "type": "string", "title": "Updated At" },
+          "title": {
+            "anyOf": [{ "type": "string" }, { "type": "null" }],
+            "title": "Title"
+          }
+        },
+        "type": "object",
+        "required": ["id", "created_at", "updated_at"],
+        "title": "SessionSummaryResponse",
+        "description": "Response model for a session summary (without messages)."
+      },
       "SetGraphActiveVersion": {
         "properties": {
           "active_graph_version": {
@@ -9899,6 +10023,30 @@
         "required": ["submissions", "pagination"],
         "title": "StoreSubmissionsResponse"
       },
+      "StreamChatRequest": {
+        "properties": {
+          "message": { "type": "string", "title": "Message" },
+          "is_user_message": {
+            "type": "boolean",
+            "title": "Is User Message",
+            "default": true
+          },
+          "context": {
+            "anyOf": [
+              {
+                "additionalProperties": { "type": "string" },
+                "type": "object"
+              },
+              { "type": "null" }
+            ],
+            "title": "Context"
+          }
+        },
+        "type": "object",
+        "required": ["message"],
+        "title": "StreamChatRequest",
+        "description": "Request model for streaming chat with optional context."
+      },
       "SubmissionStatus": {
         "type": "string",
         "enum": ["DRAFT", "PENDING", "APPROVED", "REJECTED"],