README.md

@@ -52,6 +52,9 @@ Options:
   --[no-]copy    Copy result to clipboard
   --[no-]notify  Show desktop notification
   --desktop      GUI mode: pick → copy → notify
+  --get-config   Print the current configuration
+  --set-config   Update the configuration (e.g. --set-config desktop --copy)
+  --reset-config Restore the configuration file to its default values
   --install      Install to ~/.local/share/ and symlink to ~/.local/bin/
   --help, -h     Show this help message
 ```
@@ -102,6 +105,22 @@ copy   = true   # copy result to clipboard
 notify = true   # show desktop notification with the copied value
 ```
 
+You can also use the CLI to manage your configuration:
+
+```bash
+# View current config
+color-tool --get-config
+
+# Update specific keys (e.g., enable swatch by default)
+color-tool --set-config defaults --swatch
+
+# Set output format for desktop mode
+color-tool --set-config desktop output=rgba
+
+# Reset to factory defaults
+color-tool --reset-config
+```
+
 ## 🧪 Testing
 
 The project includes a comprehensive test suite that verifies color conversion, configuration loading, and system integrations (clipboard/notifications) using mocks.

tests/run_tests.sh

@@ -150,6 +150,24 @@ else
   echo "FAIL (notify.log not created)"
 fi
 
+# 8. Config Management
+it "manages configuration via CLI"
+mkdir -p "$HOME/.config/color-tool"
+"$COLOR_TOOL" --reset-config >/dev/null
+
+# Test --set-config
+"$COLOR_TOOL" --set-config defaults output=rgba
+output=$("$COLOR_TOOL" --get-config)
+if [[ "$output" == *"output = \"rgba\""* ]]; then
+  # Test --reset-config
+  "$COLOR_TOOL" --reset-config >/dev/null
+  output=$("$COLOR_TOOL" --get-config)
+  assert_contains "$output" "output = \"hex\""
+else
+  echo "FAIL"
+  echo "  Expected to find: output = \"rgba\""
+  echo "  Actual output: $output"
+fi
 
 # 9. JSON Output
 it "outputs selected formats as JSON"