chore: Remove workspace file from git tracking, keep local

- Add *.code-workspace to .gitignore
- Remove ai-dev-agent.code-workspace from git tracking
- File remains local with machine-specific Anaconda paths
- Prevents conflicts with other developers' environments

Author: gitwalter

.gitignore

@@ -105,6 +105,7 @@ dmypy.json
 *.swp
 *.swo
 *~
+*.code-workspace
 
 # OS
 .DS_Store