refactor: rename package from mytoolkit to bin

- Move all source files from mytoolkit/ to bin/
- Update entry point and build config in pyproject.toml
- Add pillow and pypdf dependencies
- Update README and .gitignore paths
- Remove unused subprocess import in pdf.py
- Clean up duplicate imports in pdf merge command

bin/commands/ssh.py

@@ -0,0 +1,111 @@
+"""SSH connection utilities."""
+
+import subprocess
+from pathlib import Path
+
+import click
+
+from bin.config import config
+from bin.utils import handle_errors
+
+
+def _get_hosts() -> dict:
+    """Get SSH hosts from config."""
+    hosts = {}
+    for key in config.get_all().keys():
+        if key.startswith("ssh_") and not key.endswith("_port") and not key.endswith("_key"):
+            name = key[4:]  # Remove 'ssh_' prefix
+            host = config.get(f"ssh_{name}")
+            port = config.get(f"ssh_{name}_port") or "22"
+            key_file = config.get(f"ssh_{name}_key")
+            if host:
+                hosts[name] = {"host": host, "port": int(port)}
+                if key_file:
+                    hosts[name]["key"] = key_file
+    return hosts
+
+
+def _build_ssh_base_cmd(host_config: dict) -> list[str]:
+    """Build base SSH command with host and port."""
+    cmd = ["ssh", "-p", str(host_config["port"])]
+
+    if "key" in host_config:
+        key_path = Path(host_config["key"]).expanduser()
+        cmd.extend(["-i", str(key_path)])
+
+    cmd.append(host_config["host"])
+    return cmd
+
+
+@click.group(name="ssh")
+def ssh_cmd():
+    """SSH connection utilities."""
+    pass
+
+
+@ssh_cmd.command("connect")
+@click.argument("name")
+@handle_errors
+def connect(name):
+    """Connect to a configured host."""
+    hosts = _get_hosts()
+    if name not in hosts:
+        click.echo(f"Unknown host: {name}", err=True)
+        click.echo(f"Available: {', '.join(hosts.keys())}", err=True)
+        raise click.Exit(1)
+
+    cmd = _build_ssh_base_cmd(hosts[name])
+    click.secho(f"Connecting to {name}...", fg="cyan")
+    subprocess.run(cmd)
+
+
+@ssh_cmd.command("tunnel")
+@click.argument("name")
+@click.option("--local-port", "-l", default=11111, help="Local port")
+@click.option("--remote-port", "-r", default=11111, help="Remote port")
+@handle_errors
+def tunnel(name, local_port, remote_port):
+    """Create SSH tunnel with port forwarding."""
+    hosts = _get_hosts()
+    if name not in hosts:
+        click.echo(f"Unknown host: {name}", err=True)
+        raise click.Exit(1)
+
+    host_config = hosts[name]
+    cmd = ["ssh", "-p", str(host_config["port"]), "-L", f"{local_port}:localhost:{remote_port}"]
+
+    if "key" in host_config:
+        key_path = Path(host_config["key"]).expanduser()
+        cmd.extend(["-i", str(key_path)])
+
+    cmd.append(host_config["host"])
+
+    click.secho(f"Creating tunnel {local_port} -> {remote_port} on {name}...", fg="cyan")
+    click.secho(f"Command: {' '.join(cmd)}", fg="dim")
+    subprocess.run(cmd)
+
+
+@ssh_cmd.command("list")
+def list_hosts():
+    """List configured SSH hosts."""
+    hosts = _get_hosts()
+    click.secho("Configured hosts:", fg="cyan")
+    for name, host_config in sorted(hosts.items()):
+        click.echo(f"  {name:12} {host_config['host']}:{host_config['port']}")
+
+
+@ssh_cmd.command("cmd")
+@click.argument("name")
+@click.argument("command")
+@handle_errors
+def run_cmd(name, command):
+    """Run a command on remote host."""
+    hosts = _get_hosts()
+    if name not in hosts:
+        click.echo(f"Unknown host: {name}", err=True)
+        raise click.Exit(1)
+
+    cmd = _build_ssh_base_cmd(hosts[name])
+    cmd.append(command)
+
+    subprocess.run(cmd)