This is a submission for the Gemma 4 Challenge: Build with Gemma 4 What I Built I built Gemma Sonar Scout, a local monitoring tool that watches supplier and dependency changelogs, release feeds, and status pages, then turns the new evidence into a daily operator brief. The problem is simple: modern products depend on a stack of external services. Cloud hosts, DNS providers, payment processors, API platforms, AI tools, CI systems, and support platforms all publish important changes in different places. Some updates are harmless. Some are breaking changes. Some are outages that matter immediately. Gemma Sonar Scout has two layers: A deterministic scanner fetches configured sources, parses RSS, Atom, Statuspage-style incident JSON, plain JSON, and basic public HTML, detects severity/categories, hashes events, and tracks local state so the digest can focus on what is new.…