feat: add browser automation commands (v0.6.0)

Navigation: open-wait (open + block until loaded)
DOM: key, hover, check/uncheck, clear, focus, submit, poll, scroll, select, eval, wait-for
Tabs: pin/unpin, screenshot, watch-url (block until URL matches regex)
New command groups: page info, storage get/set, cookies list/get/set
Extension: add cookies permission

browser_cli/commands/cookies.py

@@ -0,0 +1,86 @@
+import click
+from browser_cli.client import send_command, BrowserNotConnected
+from rich.console import Console
+from rich.table import Table
+
+console = Console()
+
+
+def _handle(command, args=None):
+    try:
+        return send_command(command, args or {})
+    except BrowserNotConnected as e:
+        console.print(f"[red]Error:[/red] {e}")
+        raise SystemExit(1)
+    except RuntimeError as e:
+        console.print(f"[red]Browser error:[/red] {e}")
+        raise SystemExit(1)
+
+
+@click.group("cookies")
+def cookies_group():
+    """Manage browser cookies."""
+
+
+@cookies_group.command("list")
+@click.option("--url", default=None, help="Filter by URL")
+@click.option("--domain", default=None, help="Filter by domain")
+@click.option("--name", default=None, help="Filter by cookie name")
+def cookies_list(url, domain, name):
+    """List cookies, optionally filtered by URL, domain, or name."""
+    cookies = _handle("cookies.list", {"url": url, "domain": domain, "name": name}) or []
+    if not cookies:
+        console.print("[yellow]No cookies found[/yellow]")
+        return
+    table = Table(show_header=True, header_style="bold cyan")
+    table.add_column("Name")
+    table.add_column("Value")
+    table.add_column("Domain")
+    table.add_column("Path")
+    table.add_column("Secure", width=7)
+    table.add_column("HttpOnly", width=9)
+    for c in cookies:
+        table.add_row(
+            c.get("name", ""),
+            (c.get("value") or "")[:60],
+            c.get("domain", ""),
+            c.get("path", ""),
+            "[green]✓[/green]" if c.get("secure") else "",
+            "[green]✓[/green]" if c.get("httpOnly") else "",
+        )
+    console.print(table)
+
+
+@cookies_group.command("get")
+@click.argument("url")
+@click.argument("name")
+def cookies_get(url, name):
+    """Get the value of a single cookie by URL and NAME."""
+    cookie = _handle("cookies.get", {"url": url, "name": name})
+    if cookie is None:
+        console.print(f"[yellow]Cookie '{name}' not found for {url}[/yellow]")
+        raise SystemExit(1)
+    console.print(cookie.get("value", ""))
+
+
+@cookies_group.command("set")
+@click.argument("url")
+@click.argument("name")
+@click.argument("value")
+@click.option("--domain", default=None)
+@click.option("--path", default=None)
+@click.option("--secure", is_flag=True)
+@click.option("--http-only", "http_only", is_flag=True)
+@click.option("--expires", "expiration_date", type=float, default=None, help="Unix timestamp")
+@click.option("--same-site", type=click.Choice(["no_restriction", "lax", "strict"]), default=None)
+def cookies_set(url, name, value, domain, path, secure, http_only, expiration_date, same_site):
+    """Set a cookie on URL."""
+    _handle("cookies.set", {
+        "url": url, "name": name, "value": value,
+        "domain": domain, "path": path,
+        "secure": secure or None,
+        "httpOnly": http_only or None,
+        "expirationDate": expiration_date,
+        "sameSite": same_site,
+    })
+    console.print(f"[green]Set cookie:[/green] {name}={value!r} on {url}")