fix: resolve golangci-lint warnings

- Handle ignored errors with explicit _ assignment (errcheck)
- Add #nosec comments for false positive G304/G204 warnings (gosec)
- Fix misspelling: cancelled -> canceled

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

cmd/bd/reset.go

@@ -139,7 +139,7 @@ EXAMPLES:
 
 			response = strings.TrimSpace(strings.ToLower(response))
 			if response != "y" && response != "yes" {
-				fmt.Printf("Reset cancelled.\n")
+				fmt.Printf("Reset canceled.\n")
 				return
 			}
 		}