Keep both the new Polski locale and Bengali in every language switcher,
locale list and alias map; cross-link docs/pl and docs/bn. Resync catalog
counts (69 agents, 294 skills) and the skill-trigger registry digest.
Co-Authored-By: Kishor Morol <kishormorol@gmail.com>
Use the checkout containing the new locale, document prerequisites, and distinguish preview, docs-only installation, and explicit full hook activation. Preserve contributor locale implementation and current sponsor content.
Source-PR: https://github.com/affaan-m/ECC/pull/3121
Source-Head: 071f2dbd28
