chore(governance): scope code ownership to first-party sources

The catch-all CODEOWNERS pattern made GitHub request a code-owner review on every pull request, including Dependabot updates, which produced review-request email noise. Own the source and documentation paths only; dependency manifests, lockfiles and GitHub automation stay unowned.

Author: Michael Gasperini

.github/CODEOWNERS

@@ -1 +1,7 @@
-* @TheStreamCode
+# Ownership of first-party sources and documentation.
+# Dependency manifests, lockfiles and GitHub workflows are intentionally unowned so
+# Dependabot pull requests do not request a maintainer review on every update.
+/docs/ @TheStreamCode
+/scripts/ @TheStreamCode
+/src/ @TheStreamCode
+/test/ @TheStreamCode