Fix CLI/protocol mismatches for select, frame main, and headers (#45)

* fix: align CLI command payloads with protocol

* fix(cli): support multi-value select in CLI

cli/src/commands.rs

@@ -153,13 +153,18 @@ pub fn parse_command(args: &[String], flags: &Flags) -> Result<Value, ParseError
         "select" => {
             let sel = rest.get(0).ok_or_else(|| ParseError::MissingArguments {
                 context: "select".to_string(),
-                usage: "select <selector> <value>",
+                usage: "select <selector> <value...>",
             })?;
-            let val = rest.get(1).ok_or_else(|| ParseError::MissingArguments {
+            let _val = rest.get(1).ok_or_else(|| ParseError::MissingArguments {
                 context: "select".to_string(),
-                usage: "select <selector> <value>",
+                usage: "select <selector> <value...>",
             })?;
-            Ok(json!({ "id": id, "action": "select", "selector": sel, "value": val }))
+            let values = &rest[1..];
+            if values.len() == 1 {
+                Ok(json!({ "id": id, "action": "select", "selector": sel, "values": values[0] }))
+            } else {
+                Ok(json!({ "id": id, "action": "select", "selector": sel, "values": values }))
+            }
         }
         "drag" => {
             let src = rest.get(0).ok_or_else(|| ParseError::MissingArguments {
@@ -408,7 +413,7 @@ pub fn parse_command(args: &[String], flags: &Flags) -> Result<Value, ParseError
         // === Frame ===
         "frame" => {
             if rest.get(0).map(|s| *s) == Some("main") {
-                Ok(json!({ "id": id, "action": "frame_main" }))
+                Ok(json!({ "id": id, "action": "mainframe" }))
             } else {
                 let sel = rest.get(0).ok_or_else(|| ParseError::MissingArguments {
                     context: "frame".to_string(),
@@ -1249,6 +1254,32 @@ mod tests {
         assert_eq!(cmd["text"], "some text");
     }
 
+    #[test]
+    fn test_select() {
+        let cmd = parse_command(&args("select #menu option1"), &default_flags()).unwrap();
+        assert_eq!(cmd["action"], "select");
+        assert_eq!(cmd["selector"], "#menu");
+        assert_eq!(cmd["values"], "option1");
+    }
+
+    #[test]
+    fn test_select_multiple_values() {
+        let cmd = parse_command(
+            &args("select #menu opt1 opt2 opt3"),
+            &default_flags(),
+        )
+        .unwrap();
+        assert_eq!(cmd["action"], "select");
+        assert_eq!(cmd["selector"], "#menu");
+        assert_eq!(cmd["values"], json!(["opt1", "opt2", "opt3"]));
+    }
+
+    #[test]
+    fn test_frame_main() {
+        let cmd = parse_command(&args("frame main"), &default_flags()).unwrap();
+        assert_eq!(cmd["action"], "mainframe");
+    }
+
     // === Tabs ===
 
     #[test]

cli/src/output.rs

@@ -423,9 +423,9 @@ Examples:
         "select" => r##"
 agent-browser select - Select a dropdown option
 
-Usage: agent-browser select <selector> <value>
+Usage: agent-browser select <selector> <value...>
 
-Selects an option in a <select> dropdown by its value attribute.
+Selects one or more options in a <select> dropdown by value.
 
 Global Options:
   --json               Output as JSON
@@ -434,6 +434,7 @@ Global Options:
 Examples:
   agent-browser select "#country" "US"
   agent-browser select @e5 "option2"
+  agent-browser select "#menu" "opt1" "opt2" "opt3"
 "##,
         "drag" => r##"
 agent-browser drag - Drag and drop
@@ -1233,7 +1234,7 @@ Core Commands:
   focus <sel>                Focus element
   check <sel>                Check checkbox
   uncheck <sel>              Uncheck checkbox
-  select <sel> <val>         Select dropdown option
+  select <sel> <val...>      Select dropdown option
   drag <src> <dst>           Drag and drop
   upload <sel> <files...>    Upload files
   scroll <dir> [px]          Scroll (up/down/left/right)