feat(cli): support interactive start without initial prompt

README.md

@@ -86,6 +86,14 @@ This will:
 
 Type `exit` or `quit` to end the conversation.
 
+You can also start without an initial prompt:
+
+```bash
+klod
+```
+
+This starts the service and asks for your first prompt interactively.
+
 ## Development
 
 Run without building:

go.mod

@@ -2,4 +2,9 @@ module klod
 
 go 1.21
 
-require github.com/joho/godotenv v1.5.1
+require (
+	github.com/joho/godotenv v1.5.1
+	golang.org/x/term v0.27.0
+)
+
+require golang.org/x/sys v0.28.0 // indirect

go.sum

@@ -1,2 +1,6 @@
 github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
 github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
+golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
+golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/term v0.27.0 h1:WP60Sv1nlK1T6SupCHbXzSaN0b9wUmsPoRS9b61A23Q=
+golang.org/x/term v0.27.0/go.mod h1:iMsnZpn0cago0GOrHO2+Y7u7JPn5AylBrcoWkElMTSM=

main.go

@@ -15,6 +15,7 @@ import (
 	"unsafe"
 
 	"github.com/joho/godotenv"
+	"golang.org/x/term"
 )
 
 type Message struct {
@@ -117,6 +118,133 @@ func logConversation(message Message) error {
 	return nil
 }
 
+// enableBracketedPaste sends escape sequence to enable bracketed paste mode
+func enableBracketedPaste() {
+	fmt.Print("\033[?2004h")
+}
+
+// disableBracketedPaste sends escape sequence to disable bracketed paste mode
+func disableBracketedPaste() {
+	fmt.Print("\033[?2004l")
+}
+
+// readInputWithPasteSupport reads user input with support for multi-line paste
+// It uses raw terminal mode to detect bracketed paste sequences
+func readInputWithPasteSupport() (string, error) {
+	fd := int(os.Stdin.Fd())
+
+	// Check if stdin is a terminal
+	if !term.IsTerminal(fd) {
+		// Fall back to simple readline for non-terminal input
+		reader := bufio.NewReader(os.Stdin)
+		line, err := reader.ReadString('\n')
+		return strings.TrimSpace(line), err
+	}
+
+	// Save terminal state and switch to raw mode
+	oldState, err := term.MakeRaw(fd)
+	if err != nil {
+		// Fall back to simple readline if raw mode fails
+		reader := bufio.NewReader(os.Stdin)
+		line, err := reader.ReadString('\n')
+		return strings.TrimSpace(line), err
+	}
+	defer term.Restore(fd, oldState)
+
+	var input strings.Builder
+	var buf [1]byte
+	inPaste := false
+	escBuf := make([]byte, 0, 10)
+
+	for {
+		n, err := os.Stdin.Read(buf[:])
+		if err != nil || n == 0 {
+			return input.String(), err
+		}
+
+		b := buf[0]
+
+		// Handle escape sequences
+		if b == 0x1b { // ESC
+			escBuf = append(escBuf[:0], b)
+			continue
+		}
+
+		if len(escBuf) > 0 {
+			escBuf = append(escBuf, b)
+
+			// Check for bracketed paste start: ESC[200~
+			if len(escBuf) == 6 && escBuf[0] == 0x1b && escBuf[1] == '[' &&
+				escBuf[2] == '2' && escBuf[3] == '0' && escBuf[4] == '0' && escBuf[5] == '~' {
+				inPaste = true
+				escBuf = escBuf[:0]
+				continue
+			}
+
+			// Check for bracketed paste end: ESC[201~
+			if len(escBuf) == 6 && escBuf[0] == 0x1b && escBuf[1] == '[' &&
+				escBuf[2] == '2' && escBuf[3] == '0' && escBuf[4] == '1' && escBuf[5] == '~' {
+				inPaste = false
+				escBuf = escBuf[:0]
+				continue
+			}
+
+			// If sequence is getting too long without matching, it's not a paste sequence
+			// Write accumulated bytes and reset
+			if len(escBuf) > 6 {
+				for _, eb := range escBuf {
+					if eb >= 0x20 {
+						input.WriteByte(eb)
+						fmt.Print(string(eb))
+					}
+				}
+				escBuf = escBuf[:0]
+			}
+			continue
+		}
+
+		// Handle special keys
+		switch b {
+		case '\r', '\n': // Enter
+			if inPaste {
+				input.WriteByte('\n')
+				fmt.Print("\r\n") // Echo newline
+			} else {
+				fmt.Print("\r\n")
+				return input.String(), nil
+			}
+		case 0x03: // Ctrl+C
+			fmt.Print("^C\r\n")
+			return "", fmt.Errorf("interrupted")
+		case 0x04: // Ctrl+D
+			if input.Len() == 0 {
+				return "", io.EOF
+			}
+			return input.String(), nil
+		case 0x7f, 0x08: // Backspace/Delete
+			s := input.String()
+			if len(s) > 0 {
+				// Handle multi-byte UTF-8 characters
+				runes := []rune(s)
+				if len(runes) > 0 {
+					input.Reset()
+					input.WriteString(string(runes[:len(runes)-1]))
+					fmt.Print("\b \b") // Erase character on screen
+				}
+			}
+		default:
+			if b >= 0x20 || b == '\t' { // Printable character or tab
+				input.WriteByte(b)
+				if b == '\t' {
+					fmt.Print("    ") // Display tab as spaces
+				} else {
+					fmt.Print(string(b)) // Echo character
+				}
+			}
+		}
+	}
+}
+
 func loadConfig() error {
 	// Try loading config from multiple locations in order
 	homeDir, err := os.UserHomeDir()
@@ -209,23 +337,32 @@ func main() {
 		logConversation(assistantMsg)
 	}
 
-	// Interactive conversation loop
-	reader := bufio.NewReader(os.Stdin)
+	// Interactive conversation loop with bracketed paste support
+	enableBracketedPaste()
+	defer disableBracketedPaste()
+
 	for {
 		fmt.Print("\033[32mYou (or 'exit' to quit): \033[0m")
 
-		userInput, err := reader.ReadString('\n')
+		userInput, err := readInputWithPasteSupport()
 		if err != nil {
+			if err == io.EOF {
+				fmt.Println("\nGoodbye!")
+			}
 			break
 		}
 
 		userInput = strings.TrimSpace(userInput)
 
 		// Check if user wants to exit
-		if userInput == "exit" || userInput == "quit" || userInput == "" {
+		if userInput == "exit" || userInput == "quit" {
 			fmt.Println("Goodbye!")
 			break
 		}
+		if userInput == "" {
+			fmt.Println("Please enter a prompt (or type 'exit' to quit).")
+			continue
+		}
 
 		// Add user input to conversation history
 		userMsg := Message{

main.sh

@@ -78,11 +78,15 @@ send_message() {
     CONVERSATION_HISTORY+=("$response")
 }
 
+if [[ -n "$PROMPT" ]]; then
     # Add initial user prompt to conversation history
     CONVERSATION_HISTORY+=("$PROMPT")
 
     # Send initial message
     send_message
+else
+    :
+fi
 
 # Conversation loop
 while true; do
@@ -91,10 +95,14 @@ while true; do
     read -e user_input
 
     # Check if user wants to exit
-    if [[ "$user_input" == "exit" ]] || [[ "$user_input" == "quit" ]] || [[ -z "$user_input" ]]; then
+    if [[ "$user_input" == "exit" ]] || [[ "$user_input" == "quit" ]]; then
         echo "Goodbye!"
         break
     fi
+    if [[ -z "$user_input" ]]; then
+        echo "Please enter a prompt (or type 'exit' to quit)."
+        continue
+    fi
 
     # Add user input to conversation history
     CONVERSATION_HISTORY+=("$user_input")