Predictable D-pad Focus Architecture for Android TV
A practical focus model for Compose TV: stable ownership, identity-based restoration, lazy-list coordination, overlays, and remote-first testing.
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A Data-Preserving Playbook for Production Upgrades
Protect databases, uploads, configuration, and local patches while staging, migrating, activating, verifying, and rolling back an upgrade.
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A practical focus model for Compose TV: stable ownership, identity-based restoration, lazy-list coordination, overlays, and remote-first testing.
Why immutable release directories, pre-switch gates, explicit database compatibility, and rehearsed rollback make production safer.
Protect databases, uploads, configuration, and local patches while staging, migrating, activating, verifying, and rolling back an upgrade.
Design provider selection with finite deadlines, concurrency limits, credential-safe cache keys, circuit breakers, and failure-focused tests.
A production playbook for inventory, isolated runtimes, PostgreSQL, systemd, TLS, backups, and clean operational handoff.
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