chore: README update demo and Error Fix (#126)

* docs: Update README with demo gif

* fix: Proxy remove dependency on interaction

* fix: Update demo gif width

* Update docs/demo/pmg-intro.tape

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Abhisek Datta <abhisek.datta@gmail.com>

* fix: PMG demo

---------

Signed-off-by: Abhisek Datta <abhisek.datta@gmail.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

internal/ui/error.go

@@ -33,13 +33,9 @@ func ErrorExit(err error) {
 }
 
 // printMinimalError prints error in minimal two-line format:
-// Line 1: Error code (red background) + message (red)
-// Line 2: Actionable hint with arrow prefix (dimmed)
 func printMinimalError(code, message, hint string) {
-	// Line 1: Error code + message
 	fmt.Printf("%s  %s\n", Colors.ErrorCode(" %s ", code), Colors.Red(message))
 
-	// Line 2: Actionable hint with arrow (only if meaningful)
 	if hint != "" && hint != "No additional help is available for this error." {
 		fmt.Printf(" %s %s\n", Colors.Dim("→"), Colors.Dim(hint))
 	}

internal/ui/error_convert.go

@@ -76,7 +76,6 @@ var errorMatchers = []errorMatcher{
 				WithCode(usefulerror.ErrCodeLifecycle).
 				WithHumanError(fmt.Sprintf("Command failed with exit code %d", exitCode)).
 				WithHelp("Check command output above").
-				WithAdditionalHelp("Run with PMG_DEBUG=true for more details").
 				Wrap(err)
 		},
 	},

internal/ui/ui.go

@@ -54,6 +54,14 @@ func ClearStatus() {
 }
 
 func Block(config *BlockConfig) error {
+	return blockWithExit(config, true)
+}
+
+func BlockNoExit(config *BlockConfig) error {
+	return blockWithExit(config, false)
+}
+
+func blockWithExit(config *BlockConfig, exit bool) error {
 	StopSpinner()
 
 	fmt.Println()
@@ -64,7 +72,10 @@ func Block(config *BlockConfig) error {
 	}
 
 	fmt.Println()
-	os.Exit(1)
+
+	if exit {
+		os.Exit(1)
+	}
 
 	return nil
 }