Make it easier to visualize planned tasks in logs

[humpydonkey]

It's not easy to see what tasks are planned, their dependencies, and the tool and its params in the log.
This PR improves it.

pretty print the planned tasks:

INFO:vision_agent.agent.vision_agent:Planned tasks:
┍━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┯━━━━━━┯━━━━━━━━┑
│ task                                                                                                                         │   id │ dep    │
┝━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┿━━━━━━┿━━━━━━━━┥
│ Extract image frames from the video file '/Users/asia/Downloads/frames/baby_cam1_40s.MP4' by 'extract_frames_'               │    1 │ [-1]   │
├──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┼──────┼────────┤
│ Detect and count the number of bigger beds in each frame extracted by task 1 with input 'bigger bed' by 'counter_'           │    2 │ [1]    │
├──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┼──────┼────────┤
│ Detect and count the number of babies in each frame extracted by task 1 with input 'baby' by 'counter_'                      │    3 │ [1]    │
├──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┼──────┼────────┤
│ For each frame, verify if the count of bigger beds from task 2 is more than 0 and count of babies from task 3 is more than 0 │    4 │ [2, 3] │
┕━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┷━━━━━━┷━━━━━━━━┙

Pretty print the executed tool with params:

┍━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┯━━━━━━━━━━━━━━━━━┯━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┑
│ task                                                                                                           │ tool_name       │ parameters                                                      │
┝━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┿━━━━━━━━━━━━━━━━━┿━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┥
│ Extract image frames from the video file '/Users/asia/Downloads/frames/baby_cam1_40s.MP4' by 'extract_frames_' │ extract_frames_ │ {'video_uri': '/Users/asia/Downloads/frames/baby_cam1_40s.MP4'} │
┕━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┷━━━━━━━━━━━━━━━━━┷━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┙