fix: normalize tap formulae names instead of filtering them out

brew leaves outputs tap formulae as "user/repo/formula" (e.g.
"cirruslabs/cli/tart"). Previous fix incorrectly filtered these
out entirely, losing real packages. Now extracts just the formula
name (e.g. "tart") so packages are preserved. The tap itself is
still captured separately by CaptureTaps().

Author: fullstackjam

internal/snapshot/capture.go

@@ -300,11 +300,17 @@ func CaptureFormulae() ([]string, error) {
 		return nil, err
 	}
 
-	// Filter out tap formulae (e.g. "openbootdotdev/tap", "user/tap/formula")
-	// which brew leaves includes but are not standalone packages.
+	// Normalize tap formulae: "user/repo/formula" → "formula"
+	// These are real packages installed from third-party taps.
+	// The tap itself is captured separately by CaptureTaps().
+	// Storing just the formula name avoids confusion in the UI
+	// and matches what "brew install formula" expects.
 	var formulae []string
 	for _, f := range all {
-		if !strings.Contains(f, "/") {
+		if strings.Contains(f, "/") {
+			parts := strings.Split(f, "/")
+			formulae = append(formulae, parts[len(parts)-1])
+		} else {
 			formulae = append(formulae, f)
 		}
 	}