- Rewrite README.md hero and feature sections with FamiliarOS manifest copy.
- Update README_OUR_CHANGES.md, FEATURES.md, FEATURES_OUR_CHANGES.md,
PULL_REQUEST.md, and FEATURE_REGISTRY.md with rebrand and custom naming.
- Rename packages/install-familiar/src/check-install-pet.ts to
check-install-familiar.ts to match rebrand and package test script.
- Custom Familiar name already wired through app-state, tray, Settings UI,
and i18n; docs now describe it.
- Rename all user-facing and technical identifiers from OpenPets/Pet to FamiliarOS/Familiar.
- Rename packages from @open-pets/* to @familiaros/*; rename install-pet/pet-format packages.
- Rename plugin IDs and directories from openpets.* to familiaros.*.
- Rename IPC namespace from openpets:* to familiaros:* and state filenames from openpets-* to familiaros-* with legacy migration.
- Rename source files (pet-window, built-in-pet, default-pet-controller, etc.) to familiar equivalents.
- Update locales (en, es-419, ja, ko, pt-BR, zh-Hans, zh-Hant) and tray/pet context menu strings.
- Add Familiar naming feature: preference, settings input, tray menu display.
- Update assets and packaging config; all desktop tests pass.