Fix workflow engine recipe loading and evidence tracking

[AgentAiDrive]

Summary

• add persistent config data and run evidence support to the database models
• resolve recipes relative to the packaged recipes directory
• ensure workflow execution stores phase evidence entries with the correct payload

Testing

• pytest sma-av-streamlit/tests/test_workflow_engine.py -q

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https://chatgpt.com/codex/tasks/task_e_6907136c6dbc83328ae3a8ddfc60e076

[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Writing recipes into package directory causes permission errors

The new path resolution sets RECIPES_DIR to PACKAGE_ROOT / "recipes" and save_recipe_yaml now writes directly into that location. When the project is installed as a package, PACKAGE_ROOT resolves to the site‑packages directory, which is typically read‑only for the running user. Calls like save_recipe_yaml(fname, text) will attempt to create directories and files inside the installed package and will raise PermissionError, and other parts of the app (e.g. pages/4_Recipes.py) still look for user recipes under the working directory so the saved file would be invisible even if the write succeeded. Previously the default Path("recipes") pointed to a writable, working-directory folder. Consider keeping a writable user directory for output and only adding the packaged directory as a read-only search path.

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