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.

commands/gsd/set-profile.md

@@ -0,0 +1,12 @@
+---
+name: gsd:set-profile
+description: Switch model profile for GSD agents (quality/balanced/budget/inherit)
+argument-hint: <profile (quality|balanced|budget|inherit)>
+model: haiku
+allowed-tools:
+  - Bash
+---
+
+Show the following output to the user verbatim, with no extra commentary:
+
+!`node "C:/Users/yaoji/.claude/get-shit-done/bin/gsd-tools.cjs" config-set-model-profile $ARGUMENTS --raw`