feat: replace Forecast tab with Sell-in vs Budget 2026 dashboard

Self-contained view with file upload for Sell in + Budget 26 Excel files.
Parses SKUs (5-digit prefix), compares real sell-in units vs monthly budget
forecast, shows KPIs and per-SKU table sorted by period achievement ascending.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Christian Vidal Wolf
2026-06-17 16:03:20 +02:00
co-authored by Claude Sonnet 4.6
parent be44d8d00f
commit 6e2db6be1a
2 changed files with 428 additions and 680 deletions
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