Rename calculator package to perc

Renamed internal/calculator directory to internal/perc, updated package name from 'calculator' to 'perc', and updated all import references.

3 files changed, 7 insertions, 7 deletions

diff --git a/internal/calculator/calculator.go b/internal/perc/perc.go
index ccad360..9921ce4 100644
--- a/internal/calculator/calculator.go
+++ b/internal/perc/perc.go
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) 2026 Paul Buetow
 
-package calculator
+package perc
 
 import (
 	"fmt"
@@ -100,10 +100,10 @@ func Parse(input string) (string, error) {
 		return calc.Format(), nil
 	}
 	if err != nil {
-		return "", fmt.Errorf("calculator: unable to parse input %q: %w", input, err)
+		return "", fmt.Errorf("perc: unable to parse input %q: %w", input, err)
 	}
 
-	return "", fmt.Errorf("calculator: unable to parse input %q: unknown error", input)
+	return "", fmt.Errorf("perc: unable to parse input %q: unknown error", input)
 }
 
 // ParseCalculation parses a percentage calculation input string and returns the Calculation object.
@@ -128,7 +128,7 @@ func ParseCalculation(input string) (*Calculation, error) {
 		return nil, err
 	}
 
-	return nil, fmt.Errorf("calculator: unable to parse input %q. See usage for examples", input)
+	return nil, fmt.Errorf("perc: unable to parse input %q. See usage for examples", input)
 }
 
 // parseXPercentOfY calculates "X% of Y" and returns a Calculation.
diff --git a/internal/calculator/calculator_test.go b/internal/perc/perc_test.go
index c8f216b..d96fabb 100644
--- a/internal/calculator/calculator_test.go
+++ b/internal/perc/perc_test.go
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) 2026 Paul Buetow
 
-package calculator
+package perc
 
 import (
 	"strings"
diff --git a/internal/repl/handlers.go b/internal/repl/handlers.go
index f68e926..2cf62c4 100644
--- a/internal/repl/handlers.go
+++ b/internal/repl/handlers.go
@@ -8,7 +8,7 @@ import (
 	"strconv"
 	"strings"
 
-	"codeberg.org/snonux/perc/internal/calculator"
+	"codeberg.org/snonux/perc/internal/perc"
 	"codeberg.org/snonux/perc/internal/rpn"
 )
 
@@ -224,7 +224,7 @@ type PercentageHandler struct {
 // Returns: (output string, handled bool, err error)
 func (h *PercentageHandler) Handle(repl *REPL, input string) (output string, handled bool, err error) {
 	// Run the percentage calculation
-	result, err := calculator.Parse(input)
+	result, err := perc.Parse(input)
 	if err != nil {
 		// Not a percentage expression, pass to next handler
 		return h.Next(repl, input)