Story 2.5: Exclusion Non-Destructive de Données

Status: review

Story

As a Julien (Analyst), I want to toggle the inclusion of specific rows in the analysis, so that I can test different scenarios without deleting data.

Row Toggle: Users can click a "checkbox" or a specific "Exclude" button on each row.
Visual Feedback: Excluded rows are visually dimmed (e.g., 30% opacity) and struck through.
Bulk Toggle: Ability to exclude all filtered rows or all rows matching a criteria (already partially covered by Epic 2.4).
State Persistence: Exclusion state is tracked in the global store.
Impact on Analysis: The data sent to subsequent analysis engines (Correlation, Regression) MUST exclude these rows.

Grid UI Update (AC: 1, 2)
- Add an Exclude column with a toggle switch or button to the SmartGrid.
- Implement conditional styling for the entire row based on exclusion state.
State Logic (AC: 4)
- Ensure excludedRows in useGridStore is properly integrated with all UI components.
Data Pipeline Prep (AC: 5)
- Create a selector/helper getCleanData() that returns the dataset minus the excluded rows.

UX: Added a dedicated "Eye/EyeOff" icon column for quick row exclusion toggling.
Visuals: Excluded rows use opacity-30, line-through, and a darker background to clearly distinguish them from active data.
Selector: The getCleanData function in the store ensures all future analysis steps only receive valid, included rows.

Implemented a "soft delete" system for row exclusion.
Added visual indicators (strike-through and dimming) for excluded rows.
Created a getCleanData selector to facilitate downstream statistical modeling.
Integrated row-level toggle buttons directly in the SmartGrid.