Add OpenSpec skills for change management and exploration

- Implement openspec-apply-change skill for applying tasks from OpenSpec changes.
- Create openspec-archive-change skill for archiving completed changes.
- Introduce openspec-explore skill for exploring ideas and clarifying requirements.
- Add openspec-propose skill for proposing new changes with generated artifacts.
- Migrate source command skills: source-command-opsx-apply, source-command-opsx-archive, source-command-opsx-explore, and source-command-opsx-propose for improved command handling.

.gitignore

@@ -1,7 +1,7 @@
 # Tempary files
 temp
 sandbox.*
-notes/
+/notes/
 
 # Environments
 .env
@@ -22,11 +22,11 @@ secrets/
 SECRETS/
 secrets.bak/
 
-# Claude
+# Claude Code
+.claude/settings.local.json
 .claudian
 
 # Obsidian
-
 .obsidian/*
 !.obsidian/snippets
 !.obsidian/app.json
@@ -389,8 +389,4 @@ dist
 # Vite files
 vite.config.js.timestamp-*
 vite.config.ts.timestamp-*
-.vite/
-
-
-# Scipy
-!scipy_ndimage/*/**
+.vite/