feat(01-01): boot hello app and dispatch greeter:hello

- Add party plugin registry with Register-before-Boot activation
- Add backpack, compass, bonfire, and pact capability interfaces
- Add examples/hello with two compiled plugin modules

go.mod

@@ -1,3 +1,21 @@
 module git.golem15.com/golem15/summercms
 
 go 1.27.0
+
+toolchain go1.27.0
+
+require (
+	github.com/knadh/koanf/parsers/yaml v1.1.1
+	github.com/knadh/koanf/v2 v2.3.6
+	github.com/spf13/cobra v1.10.2
+)
+
+require (
+	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/knadh/koanf/maps v0.1.2 // indirect
+	github.com/mitchellh/copystructure v1.2.0 // indirect
+	github.com/mitchellh/reflectwalk v1.0.2 // indirect
+	github.com/spf13/pflag v1.0.9 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+)