Bump to 1.0.0

- pyproject.toml + uv.lock — strix-agent package version
- strix/config/settings.py — default STRIX_IMAGE tag
- docs/advanced/configuration.mdx — documented default
- scripts/install.sh — installer default

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

uv.lock

@@ -2035,7 +2035,7 @@ wheels = [
 
 [[package]]
 name = "strix-agent"
-version = "0.8.3"
+version = "1.0.0"
 source = { editable = "." }
 dependencies = [
     { name = "caido-sdk-client" },