Infrastructure

Sentinel needed a self-hosted messaging channel — something fully under our control, with no dependency on third-party services. Matrix fits.

Qwen was silently spilling VRAM to CPU. Fixing the KV cache quantisation unlocked more context and faster inference.

Reboot resilience, health watchdogs, compose locking, and the infrastructure that keeps an autonomous system running unsupervised.

SQLite to PostgreSQL. Store protocols, async rewrite, data migration, and then ripping out every line of SQLite code.