Merge branch 'main' into gl/fix/hitl-flow-plot

.github/workflows/generate-tool-specs.yml

@@ -0,0 +1,63 @@
+name: Generate Tool Specifications
+
+on:
+  pull_request:
+    branches:
+      - main
+    paths:
+      - 'lib/crewai-tools/src/crewai_tools/**'
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  generate-specs:
+    runs-on: ubuntu-latest
+    env:
+      PYTHONUNBUFFERED: 1
+
+    steps:
+      - name: Generate GitHub App token
+        id: app-token
+        uses: tibdex/github-app-token@v2
+        with:
+          app_id: ${{ secrets.CREWAI_TOOL_SPECS_APP_ID }}
+          private_key: ${{ secrets.CREWAI_TOOL_SPECS_PRIVATE_KEY }}
+
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.head_ref }}
+          token: ${{ steps.app-token.outputs.token }}
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          version: "0.8.4"
+          python-version: "3.12"
+          enable-cache: true
+
+      - name: Install the project
+        working-directory: lib/crewai-tools
+        run: uv sync --dev --all-extras
+
+      - name: Generate tool specifications
+        working-directory: lib/crewai-tools
+        run: uv run python src/crewai_tools/generate_tool_specs.py
+
+      - name: Check for changes and commit
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+
+          git add lib/crewai-tools/tool.specs.json
+
+          if git diff --quiet --staged; then
+            echo "No changes detected in tool.specs.json"
+          else
+            echo "Changes detected in tool.specs.json, committing..."
+            git commit -m "chore: update tool specifications"
+            git push
+          fi

lib/crewai-tools/src/crewai_tools/tools/stagehand_tool/stagehand_tool.py

@@ -137,6 +137,7 @@ class StagehandTool(BaseTool):
     - 'observe': For finding elements in a specific area
     """
     args_schema: type[BaseModel] = StagehandToolSchema
+    package_dependencies: list[str] = Field(default_factory=lambda: ["stagehand"])
 
     # Stagehand configuration
     api_key: str | None = None

lib/crewai/src/crewai/flow/async_feedback/__init__.py

@@ -8,11 +8,13 @@ Example:
     from crewai.flow import Flow, start, human_feedback
     from crewai.flow.async_feedback import HumanFeedbackProvider, HumanFeedbackPending
 
+
     class SlackProvider(HumanFeedbackProvider):
         def request_feedback(self, context, flow):
             self.send_slack_notification(context)
             raise HumanFeedbackPending(context=context)
 
+
     class MyFlow(Flow):
         @start()
         @human_feedback(
@@ -26,12 +28,13 @@ Example:
     ```
 """
 
+from crewai.flow.async_feedback.providers import ConsoleProvider
 from crewai.flow.async_feedback.types import (
     HumanFeedbackPending,
     HumanFeedbackProvider,
     PendingFeedbackContext,
 )
-from crewai.flow.async_feedback.providers import ConsoleProvider
+
 
 __all__ = [
     "ConsoleProvider",

lib/crewai/src/crewai/flow/async_feedback/providers.py

@@ -6,10 +6,11 @@ provider that collects feedback via console input.
 
 from __future__ import annotations
 
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Any
 
 from crewai.flow.async_feedback.types import PendingFeedbackContext
 
+
 if TYPE_CHECKING:
     from crewai.flow.flow import Flow
 
@@ -27,6 +28,7 @@ class ConsoleProvider:
         ```python
         from crewai.flow.async_feedback import ConsoleProvider
 
+
         # Explicitly use console provider
         @human_feedback(
             message="Review this:",
@@ -49,7 +51,7 @@ class ConsoleProvider:
     def request_feedback(
         self,
         context: PendingFeedbackContext,
-        flow: Flow,
+        flow: Flow[Any],
     ) -> str:
         """Request feedback via console input (blocking).
 

lib/crewai/src/crewai/flow/async_feedback/types.py

@@ -10,6 +10,7 @@ from dataclasses import dataclass, field
 from datetime import datetime
 from typing import TYPE_CHECKING, Any, Protocol, runtime_checkable
 
+
 if TYPE_CHECKING:
     from crewai.flow.flow import Flow
 
@@ -155,7 +156,7 @@ class HumanFeedbackPending(Exception):  # noqa: N818 - Not an error, a control f
                     callback_info={
                         "slack_channel": "#reviews",
                         "thread_id": ticket_id,
-                    }
+                    },
                 )
         ```
     """
@@ -232,7 +233,7 @@ class HumanFeedbackProvider(Protocol):
                     callback_info={
                         "channel": self.channel,
                         "thread_id": thread_id,
-                    }
+                    },
                 )
         ```
     """
@@ -240,7 +241,7 @@ class HumanFeedbackProvider(Protocol):
     def request_feedback(
         self,
         context: PendingFeedbackContext,
-        flow: Flow,
+        flow: Flow[Any],
     ) -> str:
         """Request feedback from a human.
 

lib/crewai/src/crewai/flow/constants.py

@@ -1,4 +1,5 @@
 from typing import Final, Literal
 
+
 AND_CONDITION: Final[Literal["AND"]] = "AND"
 OR_CONDITION: Final[Literal["OR"]] = "OR"

lib/crewai/src/crewai/flow/flow.py

@@ -58,6 +58,7 @@ from crewai.events.types.flow_events import (
     MethodExecutionStartedEvent,
 )
 from crewai.flow.constants import AND_CONDITION, OR_CONDITION
+from crewai.flow.flow_context import current_flow_id, current_flow_request_id
 from crewai.flow.flow_wrappers import (
     FlowCondition,
     FlowConditions,
@@ -512,11 +513,17 @@ class FlowMeta(type):
                         and attr_value.__is_router__
                     ):
                         routers.add(attr_name)
-                        possible_returns = get_possible_return_constants(attr_value)
+                        if (
-                        if possible_returns:
+                            hasattr(attr_value, "__router_paths__")
-                            router_paths[attr_name] = possible_returns
+                            and attr_value.__router_paths__
+                        ):
+                            router_paths[attr_name] = attr_value.__router_paths__
                         else:
-                            router_paths[attr_name] = []
+                            possible_returns = get_possible_return_constants(attr_value)
+                            if possible_returns:
+                                router_paths[attr_name] = possible_returns
+                            else:
+                                router_paths[attr_name] = []
 
                 # Handle start methods that are also routers (e.g., @human_feedback with emit)
                 if (
@@ -1540,6 +1547,13 @@ class Flow(Generic[T], metaclass=FlowMeta):
         ctx = baggage.set_baggage("flow_input_files", input_files or {}, context=ctx)
         flow_token = attach(ctx)
 
+        flow_id_token = None
+        request_id_token = None
+        if current_flow_id.get() is None:
+            flow_id_token = current_flow_id.set(self.flow_id)
+        if current_flow_request_id.get() is None:
+            request_id_token = current_flow_request_id.set(self.flow_id)
+
         try:
             # Reset flow state for fresh execution unless restoring from persistence
             is_restoring = inputs and "id" in inputs and self._persistence is not None
@@ -1717,6 +1731,10 @@ class Flow(Generic[T], metaclass=FlowMeta):
 
             return final_output
         finally:
+            if request_id_token is not None:
+                current_flow_request_id.reset(request_id_token)
+            if flow_id_token is not None:
+                current_flow_id.reset(flow_id_token)
             detach(flow_token)
 
     async def akickoff(

lib/crewai/src/crewai/flow/flow_config.py

@@ -8,6 +8,7 @@ from __future__ import annotations
 
 from typing import TYPE_CHECKING, Any
 
+
 if TYPE_CHECKING:
     from crewai.flow.async_feedback.types import HumanFeedbackProvider
 

lib/crewai/src/crewai/flow/flow_context.py

@@ -0,0 +1,16 @@
+"""Flow execution context management.
+
+This module provides context variables for tracking flow execution state across
+async boundaries and nested function calls.
+"""
+
+import contextvars
+
+
+current_flow_request_id: contextvars.ContextVar[str | None] = contextvars.ContextVar(
+    "flow_request_id", default=None
+)
+
+current_flow_id: contextvars.ContextVar[str | None] = contextvars.ContextVar(
+    "flow_id", default=None
+)

lib/crewai/src/crewai/flow/flow_trackable.py

@@ -1,46 +1,22 @@
-import inspect
+from pydantic import BaseModel, model_validator
-from typing import Any
-
-from pydantic import BaseModel, Field, InstanceOf, model_validator
 from typing_extensions import Self
 
-from crewai.flow.flow import Flow
+from crewai.flow.flow_context import current_flow_id, current_flow_request_id
 
 
 class FlowTrackable(BaseModel):
-    """Mixin that tracks the Flow instance that instantiated the object, e.g. a
+    """Mixin that tracks flow execution context for objects created within flows.
-    Flow instance that created a Crew or Agent.
 
-    Automatically finds and stores a reference to the parent Flow instance by
+    When a Crew or Agent is instantiated inside a flow execution, this mixin
-    inspecting the call stack.
+    automatically captures the flow ID and request ID from context variables,
+    enabling proper tracking and association with the parent flow execution.
     """
 
-    parent_flow: InstanceOf[Flow[Any]] | None = Field(
-        default=None,
-        description="The parent flow of the instance, if it was created inside a flow.",
-    )
-
     @model_validator(mode="after")
-    def _set_parent_flow(self) -> Self:
+    def _set_flow_context(self) -> Self:
-        max_depth = 8
+        request_id = current_flow_request_id.get()
-        frame = inspect.currentframe()
+        if request_id:
-
+            self._request_id = request_id
-        try:
+            self._flow_id = current_flow_id.get()
-            if frame is None:
-                return self
-
-            frame = frame.f_back
-            for _ in range(max_depth):
-                if frame is None:
-                    break
-
-                candidate = frame.f_locals.get("self")
-                if isinstance(candidate, Flow):
-                    self.parent_flow = candidate
-                    break
-
-                frame = frame.f_back
-        finally:
-            del frame
 
         return self

lib/crewai/src/crewai/flow/human_feedback.py

@@ -11,6 +11,7 @@ Example (synchronous, default):
     ```python
     from crewai.flow import Flow, start, listen, human_feedback
 
+
     class ReviewFlow(Flow):
         @start()
         @human_feedback(
@@ -32,11 +33,13 @@ Example (asynchronous with custom provider):
     from crewai.flow import Flow, start, human_feedback
     from crewai.flow.async_feedback import HumanFeedbackProvider, HumanFeedbackPending
 
+
     class SlackProvider(HumanFeedbackProvider):
         def request_feedback(self, context, flow):
             self.send_notification(context)
             raise HumanFeedbackPending(context=context)
 
+
     class ReviewFlow(Flow):
         @start()
         @human_feedback(
@@ -229,6 +232,7 @@ def human_feedback(
         def review_document(self):
             return document_content
 
+
         @listen("approved")
         def publish(self):
             print(f"Publishing: {self.last_human_feedback.output}")
@@ -265,7 +269,7 @@ def human_feedback(
     def decorator(func: F) -> F:
         """Inner decorator that wraps the function."""
 
-        def _request_feedback(flow_instance: Flow, method_output: Any) -> str:
+        def _request_feedback(flow_instance: Flow[Any], method_output: Any) -> str:
             """Request feedback using provider or default console."""
             from crewai.flow.async_feedback.types import PendingFeedbackContext
 
@@ -291,19 +295,16 @@ def human_feedback(
                 effective_provider = flow_config.hitl_provider
 
             if effective_provider is not None:
-                # Use provider (may raise HumanFeedbackPending for async providers)
                 return effective_provider.request_feedback(context, flow_instance)
-            else:
+            return flow_instance._request_human_feedback(
-                # Use default console input (local development)
+                message=message,
-                return flow_instance._request_human_feedback(
+                output=method_output,
-                    message=message,
+                metadata=metadata,
-                    output=method_output,
+                emit=emit,
-                    metadata=metadata,
+            )
-                    emit=emit,
-                )
 
         def _process_feedback(
-            flow_instance: Flow,
+            flow_instance: Flow[Any],
             method_output: Any,
             raw_feedback: str,
         ) -> HumanFeedbackResult | str:
@@ -319,12 +320,14 @@ def human_feedback(
                     # No default and no feedback - use first outcome
                     collapsed_outcome = emit[0]
             elif emit:
-                # Collapse feedback to outcome using LLM
+                if llm is not None:
-                collapsed_outcome = flow_instance._collapse_to_outcome(
+                    collapsed_outcome = flow_instance._collapse_to_outcome(
-                    feedback=raw_feedback,
+                        feedback=raw_feedback,
-                    outcomes=emit,
+                        outcomes=emit,
-                    llm=llm,
+                        llm=llm,
-                )
+                    )
+                else:
+                    collapsed_outcome = emit[0]
 
             # Create result
             result = HumanFeedbackResult(
@@ -349,7 +352,7 @@ def human_feedback(
         if asyncio.iscoroutinefunction(func):
             # Async wrapper
             @wraps(func)
-            async def async_wrapper(self: Flow, *args: Any, **kwargs: Any) -> Any:
+            async def async_wrapper(self: Flow[Any], *args: Any, **kwargs: Any) -> Any:
                 # Execute the original method
                 method_output = await func(self, *args, **kwargs)
 
@@ -363,7 +366,7 @@ def human_feedback(
         else:
             # Sync wrapper
             @wraps(func)
-            def sync_wrapper(self: Flow, *args: Any, **kwargs: Any) -> Any:
+            def sync_wrapper(self: Flow[Any], *args: Any, **kwargs: Any) -> Any:
                 # Execute the original method
                 method_output = func(self, *args, **kwargs)
 
@@ -397,11 +400,10 @@ def human_feedback(
         )
         wrapper.__is_flow_method__ = True
 
-        # Make it a router if emit specified
         if emit:
             wrapper.__is_router__ = True
             wrapper.__router_paths__ = list(emit)
 
-        return wrapper  # type: ignore[return-value]
+        return wrapper  # type: ignore[no-any-return]
 
     return decorator

lib/crewai/src/crewai/flow/persistence/base.py

@@ -7,6 +7,7 @@ from typing import TYPE_CHECKING, Any
 
 from pydantic import BaseModel
 
+
 if TYPE_CHECKING:
     from crewai.flow.async_feedback.types import PendingFeedbackContext
 
@@ -103,4 +104,3 @@ class FlowPersistence(ABC):
         Args:
             flow_uuid: Unique identifier for the flow instance
         """
-        pass

lib/crewai/src/crewai/flow/persistence/sqlite.py

@@ -15,6 +15,7 @@ from pydantic import BaseModel
 from crewai.flow.persistence.base import FlowPersistence
 from crewai.utilities.paths import db_storage_path
 
+
 if TYPE_CHECKING:
     from crewai.flow.async_feedback.types import PendingFeedbackContext
 
@@ -176,7 +177,8 @@ class SQLiteFlowPersistence(FlowPersistence):
             row = cursor.fetchone()
 
         if row:
-            return json.loads(row[0])
+            result = json.loads(row[0])
+            return result if isinstance(result, dict) else None
         return None
 
     def save_pending_feedback(
@@ -196,7 +198,6 @@ class SQLiteFlowPersistence(FlowPersistence):
             state_data: Current state data
         """
         # Import here to avoid circular imports
-        from crewai.flow.async_feedback.types import PendingFeedbackContext
 
         # Convert state_data to dict
         if isinstance(state_data, BaseModel):

lib/crewai/src/crewai/flow/visualization/assets/interactive.js

@@ -1025,7 +1025,7 @@ class TriggeredByHighlighter {
 
           const isAndOrRouter = edge.dashes || edge.label === "AND";
           const highlightColor = isAndOrRouter
-            ? "{{ CREWAI_ORANGE }}"
+            ? (edge.color?.color || "{{ CREWAI_ORANGE }}")
             : getComputedStyle(document.documentElement).getPropertyValue('--edge-or-color').trim();
 
           const updateData = {
@@ -1080,7 +1080,7 @@ class TriggeredByHighlighter {
           // Keep the original edge color instead of turning gray
           const isAndOrRouter = edge.dashes || edge.label === "AND";
           const baseColor = isAndOrRouter
-            ? "{{ CREWAI_ORANGE }}"
+            ? (edge.color?.color || "{{ CREWAI_ORANGE }}")
             : getComputedStyle(document.documentElement).getPropertyValue('--edge-or-color').trim();
 
           // Convert color to rgba with opacity for vis.js
@@ -1142,7 +1142,7 @@ class TriggeredByHighlighter {
 
         const defaultColor =
           edge.dashes || edge.label === "AND"
-            ? "{{ CREWAI_ORANGE }}"
+            ? (edge.color?.color || "{{ CREWAI_ORANGE }}")
             : getComputedStyle(document.documentElement).getPropertyValue('--edge-or-color').trim();
         const currentOpacity = edge.opacity !== undefined ? edge.opacity : 1.0;
         const currentWidth =
@@ -1253,7 +1253,7 @@ class TriggeredByHighlighter {
 
         const defaultColor =
           edge.dashes || edge.label === "AND"
-            ? "{{ CREWAI_ORANGE }}"
+            ? (edge.color?.color || "{{ CREWAI_ORANGE }}")
             : getComputedStyle(document.documentElement).getPropertyValue('--edge-or-color').trim();
         const currentOpacity = edge.opacity !== undefined ? edge.opacity : 1.0;
         const currentWidth =
@@ -2370,7 +2370,7 @@ class NetworkManager {
       this.edges.forEach((edge) => {
         let edgeColor;
         if (edge.dashes || edge.label === "AND") {
-          edgeColor = "{{ CREWAI_ORANGE }}";
+          edgeColor = edge.color?.color || "{{ CREWAI_ORANGE }}";
         } else {
           edgeColor = orEdgeColor;
         }

lib/crewai/src/crewai/flow/visualization/builder.py

@@ -129,7 +129,7 @@ def _create_edges_from_condition(
     edges: list[StructureEdge] = []
 
     if isinstance(condition, str):
-        if condition in nodes:
+        if condition in nodes and condition != target:
             edges.append(
                 StructureEdge(
                     source=condition,
@@ -140,7 +140,7 @@ def _create_edges_from_condition(
             )
     elif callable(condition) and hasattr(condition, "__name__"):
         method_name = condition.__name__
-        if method_name in nodes:
+        if method_name in nodes and method_name != target:
             edges.append(
                 StructureEdge(
                     source=method_name,
@@ -163,7 +163,7 @@ def _create_edges_from_condition(
                     is_router_path=False,
                 )
                 for trigger in triggers
-                if trigger in nodes
+                if trigger in nodes and trigger != target
             )
         else:
             for sub_cond in conditions_list:
@@ -196,9 +196,34 @@ def build_flow_structure(flow: Flow[Any]) -> FlowStructure:
             node_metadata["type"] = "start"
             start_methods.append(method_name)
 
+        if (
+            hasattr(method, "__human_feedback_config__")
+            and method.__human_feedback_config__
+        ):
+            config = method.__human_feedback_config__
+            node_metadata["is_human_feedback"] = True
+            node_metadata["human_feedback_message"] = config.message
+
+            if config.emit:
+                node_metadata["human_feedback_emit"] = list(config.emit)
+
+            if config.llm:
+                llm_str = (
+                    config.llm
+                    if isinstance(config.llm, str)
+                    else str(type(config.llm).__name__)
+                )
+                node_metadata["human_feedback_llm"] = llm_str
+
+            if config.default_outcome:
+                node_metadata["human_feedback_default_outcome"] = config.default_outcome
+
         if hasattr(method, "__is_router__") and method.__is_router__:
             node_metadata["is_router"] = True
-            node_metadata["type"] = "router"
+            if "is_human_feedback" not in node_metadata:
+                node_metadata["type"] = "router"
+            else:
+                node_metadata["type"] = "human_feedback"
             router_methods.append(method_name)
 
             if method_name in flow._router_paths:
@@ -317,7 +342,7 @@ def build_flow_structure(flow: Flow[Any]) -> FlowStructure:
                     is_router_path=False,
                 )
                 for trigger_method in methods
-                if str(trigger_method) in nodes
+                if str(trigger_method) in nodes and str(trigger_method) != listener_name
             )
         elif is_flow_condition_dict(condition_data):
             edges.extend(

lib/crewai/src/crewai/flow/visualization/renderers/interactive.py

@@ -81,6 +81,7 @@ class JSExtension(Extension):
 
 
 CREWAI_ORANGE = "#FF5A50"
+HITL_BLUE = "#4A90E2"
 DARK_GRAY = "#333333"
 WHITE = "#FFFFFF"
 GRAY = "#666666"
@@ -225,6 +226,7 @@ def render_interactive(
     nodes_list: list[dict[str, Any]] = []
     for name, metadata in dag["nodes"].items():
         node_type: str = metadata.get("type", "listen")
+        is_human_feedback: bool = metadata.get("is_human_feedback", False)
 
         color_config: dict[str, Any]
         font_color: str
@@ -241,6 +243,17 @@ def render_interactive(
             }
             font_color = "var(--node-text-color)"
             border_width = 3
+        elif node_type == "human_feedback":
+            color_config = {
+                "background": "var(--node-bg-router)",
+                "border": HITL_BLUE,
+                "highlight": {
+                    "background": "var(--node-bg-router)",
+                    "border": HITL_BLUE,
+                },
+            }
+            font_color = "var(--node-text-color)"
+            border_width = 3
         elif node_type == "router":
             color_config = {
                 "background": "var(--node-bg-router)",
@@ -266,16 +279,57 @@ def render_interactive(
 
         title_parts: list[str] = []
 
-        type_badge_bg: str = (
+        display_type = node_type
-            CREWAI_ORANGE if node_type in ["start", "router"] else DARK_GRAY
+        type_badge_bg: str
-        )
+        if node_type == "human_feedback":
+            type_badge_bg = HITL_BLUE
+            display_type = "HITL"
+        elif node_type in ["start", "router"]:
+            type_badge_bg = CREWAI_ORANGE
+        else:
+            type_badge_bg = DARK_GRAY
+
         title_parts.append(f"""
             <div style="border-bottom: 1px solid rgba(102,102,102,0.15); padding-bottom: 8px; margin-bottom: 10px;">
                 <div style="font-size: 13px; font-weight: 700; color: {DARK_GRAY}; margin-bottom: 6px;">{name}</div>
-                <span style="display: inline-block; background: {type_badge_bg}; color: white; padding: 2px 8px; border-radius: 4px; font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px;">{node_type}</span>
+                <span style="display: inline-block; background: {type_badge_bg}; color: white; padding: 2px 8px; border-radius: 4px; font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px;">{display_type}</span>
             </div>
         """)
 
+        if is_human_feedback:
+            feedback_msg = metadata.get("human_feedback_message", "")
+            if feedback_msg:
+                title_parts.append(f"""
+                    <div style="margin-bottom: 8px;">
+                        <div style="font-size: 10px; text-transform: uppercase; color: {GRAY}; letter-spacing: 0.5px; margin-bottom: 4px; font-weight: 600;">👤 Human Feedback</div>
+                        <div style="background: rgba(74,144,226,0.08); padding: 6px 8px; border-radius: 4px; font-size: 11px; color: {DARK_GRAY}; border: 1px solid rgba(74,144,226,0.2); line-height: 1.4;">{feedback_msg}</div>
+                    </div>
+                """)
+
+            if metadata.get("human_feedback_emit"):
+                emit_options = metadata["human_feedback_emit"]
+                emit_items = "".join(
+                    [
+                        f'<li style="margin: 3px 0;"><code style="background: rgba(74,144,226,0.08); padding: 2px 6px; border-radius: 3px; font-size: 10px; color: {HITL_BLUE}; border: 1px solid rgba(74,144,226,0.2); font-weight: 600;">{opt}</code></li>'
+                        for opt in emit_options
+                    ]
+                )
+                title_parts.append(f"""
+                    <div style="margin-bottom: 8px;">
+                        <div style="font-size: 10px; text-transform: uppercase; color: {GRAY}; letter-spacing: 0.5px; margin-bottom: 4px; font-weight: 600;">Outcomes</div>
+                        <ul style="list-style: none; padding: 0; margin: 0;">{emit_items}</ul>
+                    </div>
+                """)
+
+            if metadata.get("human_feedback_llm"):
+                llm_model = metadata["human_feedback_llm"]
+                title_parts.append(f"""
+                    <div style="margin-bottom: 8px;">
+                        <div style="font-size: 10px; text-transform: uppercase; color: {GRAY}; letter-spacing: 0.5px; margin-bottom: 3px; font-weight: 600;">LLM</div>
+                        <span style="display: inline-block; background: rgba(102,102,102,0.08); padding: 3px 8px; border-radius: 4px; font-size: 10px; color: {DARK_GRAY}; border: 1px solid rgba(102,102,102,0.12);">{llm_model}</span>
+                    </div>
+                """)
+
         if metadata.get("condition_type"):
             condition = metadata["condition_type"]
             if condition == "AND":
@@ -309,7 +363,7 @@ def render_interactive(
                 </div>
             """)
 
-        if metadata.get("router_paths"):
+        if metadata.get("router_paths") and not is_human_feedback:
             paths = metadata["router_paths"]
             paths_items = "".join(
                 [
@@ -365,7 +419,11 @@ def render_interactive(
         edge_dashes: bool | list[int] = False
 
         if edge["is_router_path"]:
-            edge_color = CREWAI_ORANGE
+            source_node = dag["nodes"].get(edge["source"], {})
+            if source_node.get("is_human_feedback", False):
+                edge_color = HITL_BLUE
+            else:
+                edge_color = CREWAI_ORANGE
             edge_dashes = [15, 10]
             if "router_path_label" in edge:
                 edge_label = edge["router_path_label"]
@@ -417,6 +475,7 @@ def render_interactive(
     css_content = css_content.replace("'{{ DARK_GRAY }}'", DARK_GRAY)
     css_content = css_content.replace("'{{ GRAY }}'", GRAY)
     css_content = css_content.replace("'{{ CREWAI_ORANGE }}'", CREWAI_ORANGE)
+    css_content = css_content.replace("'{{ HITL_BLUE }}'", HITL_BLUE)
 
     css_output_path.write_text(css_content, encoding="utf-8")
 
@@ -430,6 +489,7 @@ def render_interactive(
     js_content = js_content.replace("{{ DARK_GRAY }}", DARK_GRAY)
     js_content = js_content.replace("{{ GRAY }}", GRAY)
     js_content = js_content.replace("{{ CREWAI_ORANGE }}", CREWAI_ORANGE)
+    js_content = js_content.replace("{{ HITL_BLUE }}", HITL_BLUE)
     js_content = js_content.replace("'{{ nodeData }}'", dag_nodes_json)
     js_content = js_content.replace("'{{ dagData }}'", dag_full_json)
     js_content = js_content.replace("'{{ nodes_list_json }}'", json.dumps(nodes_list))
@@ -441,6 +501,7 @@ def render_interactive(
 
     html_content = template.render(
         CREWAI_ORANGE=CREWAI_ORANGE,
+        HITL_BLUE=HITL_BLUE,
         DARK_GRAY=DARK_GRAY,
         WHITE=WHITE,
         GRAY=GRAY,

lib/crewai/src/crewai/flow/visualization/types.py

@@ -21,6 +21,11 @@ class NodeMetadata(TypedDict, total=False):
     class_signature: str
     class_name: str
     class_line_number: int
+    is_human_feedback: bool
+    human_feedback_message: str
+    human_feedback_emit: list[str]
+    human_feedback_llm: str
+    human_feedback_default_outcome: str
 
 
 class StructureEdge(TypedDict, total=False):

lib/crewai/tests/agents/test_lite_agent.py

@@ -299,14 +299,16 @@ class TestFlow(Flow):
         return agent.kickoff("Test query")
 
 
-def verify_agent_parent_flow(result, agent, flow):
+def verify_agent_flow_context(result, agent, flow):
-    """Verify that both the result and agent have the correct parent flow."""
+    """Verify that both the result and agent have the correct flow context."""
-    assert result.parent_flow is flow
+    assert result._flow_id == flow.flow_id  # type: ignore[attr-defined]
+    assert result._request_id == flow.flow_id  # type: ignore[attr-defined]
     assert agent is not None
-    assert agent.parent_flow is flow
+    assert agent._flow_id == flow.flow_id  # type: ignore[attr-defined]
+    assert agent._request_id == flow.flow_id  # type: ignore[attr-defined]
 
 
-def test_sets_parent_flow_when_inside_flow():
+def test_sets_flow_context_when_inside_flow():
     """Test that an Agent can be created and executed inside a Flow context."""
     captured_event = None
 

lib/crewai/tests/test_crew.py

@@ -4520,7 +4520,7 @@ def test_crew_copy_with_memory():
         pytest.fail(f"Copying crew raised an unexpected exception: {e}")
 
 
-def test_sets_parent_flow_when_using_crewbase_pattern_inside_flow():
+def test_sets_flow_context_when_using_crewbase_pattern_inside_flow():
     @CrewBase
     class TestCrew:
         agents_config = None
@@ -4582,10 +4582,11 @@ def test_sets_parent_flow_when_using_crewbase_pattern_inside_flow():
     flow.kickoff()
 
     assert captured_crew is not None
-    assert captured_crew.parent_flow is flow
+    assert captured_crew._flow_id == flow.flow_id  # type: ignore[attr-defined]
+    assert captured_crew._request_id == flow.flow_id  # type: ignore[attr-defined]
 
 
-def test_sets_parent_flow_when_outside_flow(researcher, writer):
+def test_sets_flow_context_when_outside_flow(researcher, writer):
     crew = Crew(
         agents=[researcher, writer],
         process=Process.sequential,
@@ -4594,11 +4595,12 @@ def test_sets_parent_flow_when_outside_flow(researcher, writer):
             Task(description="Task 2", expected_output="output", agent=writer),
         ],
     )
-    assert crew.parent_flow is None
+    assert not hasattr(crew, "_flow_id")
+    assert not hasattr(crew, "_request_id")
 
 
 @pytest.mark.vcr()
-def test_sets_parent_flow_when_inside_flow(researcher, writer):
+def test_sets_flow_context_when_inside_flow(researcher, writer):
     class MyFlow(Flow):
         @start()
         def start(self):
@@ -4615,7 +4617,8 @@ def test_sets_parent_flow_when_inside_flow(researcher, writer):
 
     flow = MyFlow()
     result = flow.kickoff()
-    assert result.parent_flow is flow
+    assert result._flow_id == flow.flow_id  # type: ignore[attr-defined]
+    assert result._request_id == flow.flow_id  # type: ignore[attr-defined]
 
 
 def test_reset_knowledge_with_no_crew_knowledge(researcher, writer):

lib/crewai/tests/test_flow_visualization.py

@@ -8,6 +8,7 @@ from pathlib import Path
 import pytest
 
 from crewai.flow.flow import Flow, and_, listen, or_, router, start
+from crewai.flow.human_feedback import human_feedback
 from crewai.flow.visualization import (
     build_flow_structure,
     visualize_flow_structure,
@@ -667,4 +668,180 @@ def test_no_warning_for_properly_typed_router(caplog):
     # No warnings should be logged
     warning_messages = [r.message for r in caplog.records if r.levelno >= logging.WARNING]
     assert not any("Could not determine return paths" in msg for msg in warning_messages)
-    assert not any("Found listeners waiting for triggers" in msg for msg in warning_messages)
+    assert not any("Found listeners waiting for triggers" in msg for msg in warning_messages)
+
+
+def test_human_feedback_node_metadata():
+    """Test that human feedback nodes have correct metadata."""
+    from typing import Literal
+
+    class HITLFlow(Flow):
+        """Flow with human-in-the-loop feedback."""
+
+        @start()
+        @human_feedback(
+            message="Please review the output:",
+            emit=["approved", "rejected"],
+            llm="gpt-4o-mini",
+        )
+        def review_content(self) -> Literal["approved", "rejected"]:
+            return "approved"
+
+        @listen("approved")
+        def on_approved(self):
+            return "published"
+
+        @listen("rejected")
+        def on_rejected(self):
+            return "discarded"
+
+    flow = HITLFlow()
+    structure = build_flow_structure(flow)
+
+    review_node = structure["nodes"]["review_content"]
+    assert review_node["is_human_feedback"] is True
+    assert review_node["type"] == "human_feedback"
+    assert review_node["human_feedback_message"] == "Please review the output:"
+    assert review_node["human_feedback_emit"] == ["approved", "rejected"]
+    assert review_node["human_feedback_llm"] == "gpt-4o-mini"
+
+
+def test_human_feedback_visualization_includes_hitl_data():
+    """Test that visualization includes human feedback data in HTML."""
+    from typing import Literal
+
+    class HITLFlow(Flow):
+        """Flow with human-in-the-loop feedback."""
+
+        @start()
+        @human_feedback(
+            message="Please review the output:",
+            emit=["approved", "rejected"],
+            llm="gpt-4o-mini",
+        )
+        def review_content(self) -> Literal["approved", "rejected"]:
+            return "approved"
+
+        @listen("approved")
+        def on_approved(self):
+            return "published"
+
+    flow = HITLFlow()
+    structure = build_flow_structure(flow)
+
+    html_file = visualize_flow_structure(structure, "test_hitl.html", show=False)
+    html_path = Path(html_file)
+
+    js_file = html_path.parent / f"{html_path.stem}_script.js"
+    js_content = js_file.read_text(encoding="utf-8")
+
+    assert "HITL" in js_content
+    assert "Please review the output:" in js_content
+    assert "approved" in js_content
+    assert "rejected" in js_content
+    assert "#4A90E2" in js_content
+
+
+def test_human_feedback_without_emit_metadata():
+    """Test that human feedback without emit has correct metadata."""
+
+    class HITLSimpleFlow(Flow):
+        """Flow with simple human feedback (no routing)."""
+
+        @start()
+        @human_feedback(message="Please provide feedback:")
+        def review_step(self):
+            return "content"
+
+        @listen(review_step)
+        def next_step(self):
+            return "done"
+
+    flow = HITLSimpleFlow()
+    structure = build_flow_structure(flow)
+
+    review_node = structure["nodes"]["review_step"]
+    assert review_node["is_human_feedback"] is True
+    assert "is_router" not in review_node or review_node["is_router"] is False
+    assert review_node["type"] == "start"
+    assert review_node["human_feedback_message"] == "Please provide feedback:"
+
+
+def test_human_feedback_with_default_outcome():
+    """Test that human feedback with default outcome includes it in metadata."""
+    from typing import Literal
+
+    class HITLDefaultFlow(Flow):
+        """Flow with human feedback that has a default outcome."""
+
+        @start()
+        @human_feedback(
+            message="Review this:",
+            emit=["approved", "needs_work"],
+            llm="gpt-4o-mini",
+            default_outcome="needs_work",
+        )
+        def review(self) -> Literal["approved", "needs_work"]:
+            return "approved"
+
+        @listen("approved")
+        def on_approved(self):
+            return "published"
+
+        @listen("needs_work")
+        def on_needs_work(self):
+            return "revised"
+
+    flow = HITLDefaultFlow()
+    structure = build_flow_structure(flow)
+
+    review_node = structure["nodes"]["review"]
+    assert review_node["is_human_feedback"] is True
+    assert review_node["human_feedback_default_outcome"] == "needs_work"
+
+
+def test_mixed_router_and_human_feedback():
+    """Test flow with both regular routers and human feedback routers."""
+    from typing import Literal
+
+    class MixedFlow(Flow):
+        """Flow with both regular routers and HITL."""
+
+        @start()
+        def init(self):
+            return "initialized"
+
+        @router(init)
+        def auto_decision(self) -> Literal["path_a", "path_b"]:
+            return "path_a"
+
+        @listen("path_a")
+        @human_feedback(
+            message="Review this step:",
+            emit=["continue", "stop"],
+            llm="gpt-4o-mini",
+        )
+        def human_review(self) -> Literal["continue", "stop"]:
+            return "continue"
+
+        @listen("continue")
+        def proceed(self):
+            return "done"
+
+        @listen("stop")
+        def halt(self):
+            return "halted"
+
+    flow = MixedFlow()
+    structure = build_flow_structure(flow)
+
+    auto_node = structure["nodes"]["auto_decision"]
+    assert auto_node["type"] == "router"
+    assert auto_node["is_router"] is True
+    assert "is_human_feedback" not in auto_node or auto_node["is_human_feedback"] is False
+
+    human_node = structure["nodes"]["human_review"]
+    assert human_node["type"] == "human_feedback"
+    assert human_node["is_router"] is True
+    assert human_node["is_human_feedback"] is True
+    assert human_node["human_feedback_message"] == "Review this step:"