Flow visualizer (#1377)

* Almost working!

* It fully works but not clean enought

* Working but not clean engouth

* Everything is workign

* WIP. Working on adding and & or to flows. In the middle of setting up template for flow as well

* template working

* Everything is working

* More changes and todos

* Add more support for @start

* Router working now

* minor tweak to

* minor tweak to conditions and event handling

* Update logs

* Too trigger happy with cleanup

* Added in Thiago fix

* Flow passing results again

* Working on docs.

* made more progress updates on docs

* Finished talking about controlling flows

* add flow output

* fixed flow output section

* add crews to flows section is looking good now

* more flow doc changes

* Update docs and add more examples

* drop visualizer

* save visualizer

* pyvis is beginning to work

* pyvis working

* it is working

* regular methods and triggers working. Need to work on router next.

* properly identifying router and router children nodes. Need to fix color

* children router working. Need to support loops

* curving cycles but need to add curve conditionals

* everythin is showing up properly need to fix curves

* all working. needs to be cleaned up

* adjust padding

* drop lib

* clean up prior to PR

* incorporate joao feedback

* final tweaks for joao

* Refactor to make crews easier to understand

* update CLI and templates

* Fix crewai version in flows

* Fix merge conflict

src/crewai/cli/templates/flow/main.py

@@ -22,8 +22,7 @@ class PoemFlow(Flow[PoemState]):
     def generate_poem(self):
         print("Generating poem")
         print(f"State before poem: {self.state}")
-        poem_crew = PoemCrew().crew()
-        result = poem_crew.kickoff(inputs={"sentence_count": self.state.sentence_count})
+        result = PoemCrew().crew().kickoff(inputs={"sentence_count": self.state.sentence_count})
         
         print("Poem generated", result.raw)
         self.state.poem = result.raw
@@ -38,16 +37,28 @@ class PoemFlow(Flow[PoemState]):
             f.write(self.state.poem)
         print(f"State after save_poem: {self.state}")
 
-async def run():
+async def run_flow():
     """
     Run the flow.
     """
     poem_flow = PoemFlow()
     await poem_flow.kickoff()
 
+async def plot_flow():
+    """
+    Plot the flow.
+    """
+    poem_flow = PoemFlow()
+    poem_flow.plot()
+
 
 def main():
-    asyncio.run(run())
+    asyncio.run(run_flow())
+
+
+def plot():
+    asyncio.run(plot_flow())
+
 
 
 if __name__ == "__main__":