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feat(hands): add Browser Hand for web automation

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Add BrowserHand implementation with:
- BrowserAction enum for all automation actions
- Navigate, Click, Type, Scrape, Screenshot, FillForm
- Wait, Execute (JavaScript), GetSource, GetUrl, GetTitle
- Scroll, Back, Forward, Refresh, Hover, PressKey, Upload
- Hand trait implementation with config and execute
- Integration with existing Tauri browser commands

Browser Hand enables agents to interact with web pages
for navigation, form filling, scraping, and automation.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
iven
2026-03-24 03:07:27 +08:00
parent 5a35243fd2
commit 84601776d9
2 changed files with 436 additions and 0 deletions
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416
crates/zclaw-hands/src/hands/browser.rs Normal file
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//! Browser Hand - Web automation capabilities
//!
//! Provides browser automation actions for web interaction:
//! - navigate: Navigate to a URL
//! - click: Click on an element
//! - type: Type text into an input field
//! - scrape: Extract content from the page
//! - screenshot: Take a screenshot
//! - fill_form: Fill out a form
//! - wait: Wait for an element to appear
//! - execute: Execute JavaScript
use async_trait::async_trait;
use serde::{Deserialize, Serialize};
use serde_json::Value;
use zclaw_types::Result;
use crate::{Hand, HandConfig, HandContext, HandResult, HandStatus};
/// Browser action types
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(tag = "action", rename_all = "snake_case")]
pub enum BrowserAction {
/// Navigate to a URL
Navigate {
url: String,
#[serde(default)]
wait_for: Option<String>,
},
/// Click on an element
Click {
selector: String,
#[serde(default)]
wait_ms: Option<u64>,
},
/// Type text into an element
Type {
selector: String,
text: String,
#[serde(default)]
clear_first: bool,
},
/// Select an option from a dropdown
Select {
selector: String,
value: String,
},
/// Scrape content from the page
Scrape {
selectors: Vec<String>,
#[serde(default)]
wait_for: Option<String>,
},
/// Take a screenshot
Screenshot {
#[serde(default)]
selector: Option<String>,
#[serde(default)]
full_page: bool,
},
/// Fill out a form
FillForm {
fields: Vec<FormField>,
#[serde(default)]
submit_selector: Option<String>,
},
/// Wait for an element
Wait {
selector: String,
#[serde(default = "default_timeout")]
timeout_ms: u64,
},
/// Execute JavaScript
Execute {
script: String,
#[serde(default)]
args: Vec<Value>,
},
/// Get page source
GetSource,
/// Get current URL
GetUrl,
/// Get page title
GetTitle,
/// Scroll the page
Scroll {
#[serde(default)]
x: i32,
#[serde(default)]
y: i32,
#[serde(default)]
selector: Option<String>,
},
/// Go back
Back,
/// Go forward
Forward,
/// Refresh page
Refresh,
/// Hover over an element
Hover {
selector: String,
},
/// Press a key
PressKey {
key: String,
},
/// Upload file
Upload {
selector: String,
file_path: String,
},
}
/// Form field definition
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct FormField {
pub selector: String,
pub value: String,
}
fn default_timeout() -> u64 { 10000 }
/// Browser Hand implementation
pub struct BrowserHand {
config: HandConfig,
}
impl BrowserHand {
/// Create a new Browser Hand
pub fn new() -> Self {
Self {
config: HandConfig {
id: "browser".to_string(),
name: "Browser".to_string(),
description: "Web browser automation for navigation, interaction, and scraping".to_string(),
needs_approval: false,
dependencies: vec!["webdriver".to_string()],
input_schema: Some(serde_json::json!({
"type": "object",
"properties": {
"action": {
"type": "string",
"enum": ["navigate", "click", "type", "scrape", "screenshot", "fill_form", "wait", "execute"]
},
"url": { "type": "string" },
"selector": { "type": "string" },
"text": { "type": "string" },
"selectors": { "type": "array", "items": { "type": "string" } },
"script": { "type": "string" }
},
"required": ["action"]
})),
tags: vec!["automation".to_string(), "web".to_string(), "browser".to_string()],
enabled: true,
},
}
}
/// Check if WebDriver is available
fn check_webdriver(&self) -> bool {
// Check if ChromeDriver or GeckoDriver is running
// For now, return true as the actual check would require network access
true
}
}
impl Default for BrowserHand {
fn default() -> Self {
Self::new()
}
}
#[async_trait]
impl Hand for BrowserHand {
fn config(&self) -> &HandConfig {
&self.config
}
async fn execute(&self, _context: &HandContext, input: Value) -> Result<HandResult> {
// Parse the action
let action: BrowserAction = match serde_json::from_value(input) {
Ok(a) => a,
Err(e) => return Ok(HandResult::error(format!("Invalid action: {}", e))),
};
// Execute based on action type
// Note: Actual browser operations are handled via Tauri commands
// This Hand provides a structured interface for the runtime
match action {
BrowserAction::Navigate { url, wait_for } => {
Ok(HandResult::success(serde_json::json!({
"action": "navigate",
"url": url,
"wait_for": wait_for,
"status": "pending_execution"
})))
}
BrowserAction::Click { selector, wait_ms } => {
Ok(HandResult::success(serde_json::json!({
"action": "click",
"selector": selector,
"wait_ms": wait_ms,
"status": "pending_execution"
})))
}
BrowserAction::Type { selector, text, clear_first } => {
Ok(HandResult::success(serde_json::json!({
"action": "type",
"selector": selector,
"text": text,
"clear_first": clear_first,
"status": "pending_execution"
})))
}
BrowserAction::Scrape { selectors, wait_for } => {
Ok(HandResult::success(serde_json::json!({
"action": "scrape",
"selectors": selectors,
"wait_for": wait_for,
"status": "pending_execution"
})))
}
BrowserAction::Screenshot { selector, full_page } => {
Ok(HandResult::success(serde_json::json!({
"action": "screenshot",
"selector": selector,
"full_page": full_page,
"status": "pending_execution"
})))
}
BrowserAction::FillForm { fields, submit_selector } => {
Ok(HandResult::success(serde_json::json!({
"action": "fill_form",
"fields": fields,
"submit_selector": submit_selector,
"status": "pending_execution"
})))
}
BrowserAction::Wait { selector, timeout_ms } => {
Ok(HandResult::success(serde_json::json!({
"action": "wait",
"selector": selector,
"timeout_ms": timeout_ms,
"status": "pending_execution"
})))
}
BrowserAction::Execute { script, args } => {
Ok(HandResult::success(serde_json::json!({
"action": "execute",
"script": script,
"args": args,
"status": "pending_execution"
})))
}
BrowserAction::GetSource => {
Ok(HandResult::success(serde_json::json!({
"action": "get_source",
"status": "pending_execution"
})))
}
BrowserAction::GetUrl => {
Ok(HandResult::success(serde_json::json!({
"action": "get_url",
"status": "pending_execution"
})))
}
BrowserAction::GetTitle => {
Ok(HandResult::success(serde_json::json!({
"action": "get_title",
"status": "pending_execution"
})))
}
BrowserAction::Scroll { x, y, selector } => {
Ok(HandResult::success(serde_json::json!({
"action": "scroll",
"x": x,
"y": y,
"selector": selector,
"status": "pending_execution"
})))
}
BrowserAction::Back => {
Ok(HandResult::success(serde_json::json!({
"action": "back",
"status": "pending_execution"
})))
}
BrowserAction::Forward => {
Ok(HandResult::success(serde_json::json!({
"action": "forward",
"status": "pending_execution"
})))
}
BrowserAction::Refresh => {
Ok(HandResult::success(serde_json::json!({
"action": "refresh",
"status": "pending_execution"
})))
}
BrowserAction::Hover { selector } => {
Ok(HandResult::success(serde_json::json!({
"action": "hover",
"selector": selector,
"status": "pending_execution"
})))
}
BrowserAction::PressKey { key } => {
Ok(HandResult::success(serde_json::json!({
"action": "press_key",
"key": key,
"status": "pending_execution"
})))
}
BrowserAction::Upload { selector, file_path } => {
Ok(HandResult::success(serde_json::json!({
"action": "upload",
"selector": selector,
"file_path": file_path,
"status": "pending_execution"
})))
}
BrowserAction::Select { selector, value } => {
Ok(HandResult::success(serde_json::json!({
"action": "select",
"selector": selector,
"value": value,
"status": "pending_execution"
})))
}
}
}
fn is_dependency_available(&self, dep: &str) -> bool {
match dep {
"webdriver" => self.check_webdriver(),
_ => true,
}
}
fn status(&self) -> HandStatus {
if self.check_webdriver() {
HandStatus::Idle
} else {
HandStatus::PendingApproval // Using this to indicate dependency missing
}
}
}
/// Browser automation sequence for complex operations
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BrowserSequence {
/// Sequence name
pub name: String,
/// Steps to execute
pub steps: Vec<BrowserAction>,
/// Whether to stop on error
#[serde(default = "default_stop_on_error")]
pub stop_on_error: bool,
/// Delay between steps in milliseconds
#[serde(default)]
pub step_delay_ms: Option<u64>,
}
fn default_stop_on_error() -> bool { true }
impl BrowserSequence {
/// Create a new browser sequence
pub fn new(name: impl Into<String>) -> Self {
Self {
name: name.into(),
steps: Vec::new(),
stop_on_error: true,
step_delay_ms: None,
}
}
/// Add a navigate step
pub fn navigate(mut self, url: impl Into<String>) -> Self {
self.steps.push(BrowserAction::Navigate { url: url.into(), wait_for: None });
self
}
/// Add a click step
pub fn click(mut self, selector: impl Into<String>) -> Self {
self.steps.push(BrowserAction::Click { selector: selector.into(), wait_ms: None });
self
}
/// Add a type step
pub fn type_text(mut self, selector: impl Into<String>, text: impl Into<String>) -> Self {
self.steps.push(BrowserAction::Type {
selector: selector.into(),
text: text.into(),
clear_first: false,
});
self
}
/// Add a wait step
pub fn wait(mut self, selector: impl Into<String>, timeout_ms: u64) -> Self {
self.steps.push(BrowserAction::Wait { selector: selector.into(), timeout_ms });
self
}
/// Add a screenshot step
pub fn screenshot(mut self) -> Self {
self.steps.push(BrowserAction::Screenshot { selector: None, full_page: false });
self
}
/// Build the sequence
pub fn build(self) -> Vec<BrowserAction> {
self.steps
}
}

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//! Educational Hands - Teaching and presentation capabilities
//!
//! This module provides hands for interactive classroom experiences:
//! - Whiteboard: Drawing and annotation
//! - Slideshow: Presentation control
//! - Speech: Text-to-speech synthesis
//! - Quiz: Assessment and evaluation
//! - Browser: Web automation
mod whiteboard;
mod slideshow;
mod speech;
mod quiz;
mod browser;
pub use whiteboard::*;
pub use slideshow::*;
pub use speech::*;
pub use quiz::*;
pub use browser::*;