chore(build): exclude 'repository-server-bundled' from package data and update fetch script documentation

MANIFEST.in

@@ -1,4 +1,5 @@
 recursive-include meshchatx/public *
+recursive-exclude meshchatx/public/repository-server-bundled *
 recursive-include meshchatx/src/backend *
 include meshchatx/src/version.py
 include meshchatx/src/__init__.py

pyproject.toml

@@ -76,6 +76,9 @@ namespaces = false
 [tool.setuptools.package-data]
 meshchatx = ["public/**/*", "public/*", "src/backend/data/community_interfaces.json", "src/backend/data/licenses_frontend.json", "src/backend/data/THIRD_PARTY_NOTICES.txt", "src/frontend/public/repository-server-index.html"]
 
+[tool.setuptools.exclude-package-data]
+meshchatx = ["public/repository-server-bundled/**"]
+
 [build-system]
 requires = ["setuptools>=65.0", "wheel"]
 build-backend = "setuptools.build_meta"

scripts/build/fetch_repository_wheels.py

@@ -7,6 +7,10 @@ ship with the same artifact layout as the Vite output. At runtime,
 copies any missing ``*.whl`` files from that directory into each identity's
 ``repository-server/bundled`` folder (no network required).
 
+The PyPI/sdist wheel intentionally omits this tree (see ``MANIFEST.in`` and
+``tool.setuptools.exclude-package-data``); use this script for desktop/full
+builds or refresh bundled wheels in the app when online.
+
 Usage::
 
     python3 scripts/build/fetch_repository_wheels.py [--dest DIR]