chore: initial backup of Claude Code configuration

Includes: CLAUDE.md, settings.json, agents, commands, rules, skills,
hooks, contexts, evals, get-shit-done, plugin configs (installed list
and marketplace sources). Excludes credentials, runtime caches,
telemetry, session data, and plugin binary cache.

get-shit-done/templates/dev-preferences.md

@@ -0,0 +1,21 @@
+---
+description: Load developer preferences into this session
+---
+
+# Developer Preferences
+
+> Generated by GSD on {{generated_at}} from {{data_source}}.
+> Run `/gsd:profile-user --refresh` to regenerate.
+
+## Behavioral Directives
+
+Follow these directives when working with this developer. Higher confidence
+directives should be applied directly. Lower confidence directives should be
+tried with hedging ("Based on your profile, I'll try X -- let me know if
+that's off").
+
+{{behavioral_directives}}
+
+## Stack Preferences
+
+{{stack_preferences}}