Fix Ruff and MyPy Errors.

Generated Summary:

• Added imports for metrics logging, task span, and scoring in the agent.py file.
• Removed unnecessary local imports from several methods in Agent and TaskAgent classes, improving code cleanliness.
• Updated context error checking in summarize.py to streamline imports.
• Simplified import logic for image processing in image.py by importing required libraries directly rather than conditionally.
• Enhanced the planning.py and reporting.py with direct imports for logging, promoting better organization.
• Ensured that functions like finish_task and give_up_on_task consistently log metrics, which could assist in troubleshooting and performance monitoring.
• Overall, these changes reduce import overhead and enhance the clarity and maintainability of the codebase.

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