Temporary: validate exact current Accord Marimo blob

[nightly]

Temporary validation harness for the exact current nightly/accord notebook blob 2bb35eb143519b3ad0c9341ff8efff8142287aa7.

Runs:

uv run --project validation/accord-marimo marimo check --strict \
  validation/accord-marimo/data_explorer_mo.py

This PR will be closed and its branch reset after the check result is captured. It does not target any scs application change.

[nightly]

Exact current-blob validation passed.

• Source blob: nightly/accord:notebooks/data_explorer_mo.py at 2bb35eb143519b3ad0c9341ff8efff8142287aa7
• Validation workflow run: 32679009236
• Job: 97292236282
• Python: CPython 3.12.3
• Marimo: 0.24.0
• Command:

uv run --project validation/accord-marimo marimo check --strict \
  validation/accord-marimo/data_explorer_mo.py

The marimo check --strict step completed successfully with exit status 0. This temporary PR is now being closed and its branch reset to master.