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lib/Acme/Claude/Shell/Session.pm  view on Meta::CPAN

    open my $fh, '>>:encoding(UTF-8)', $HISTORY_FILE or return;
    print $fh "$input\n";
    close $fh;

    # Trim file if too large (occasionally)
    _trim_history_file() if @_session_prompts % 100 == 0;
}

sub _trim_history_file {
    return unless -f $HISTORY_FILE;
    open my $fh, '<:encoding(UTF-8)', $HISTORY_FILE or return;
    my @lines = <$fh>;
    close $fh;

    return if @lines <= $MAX_HISTORY;

    # Keep only last MAX_HISTORY lines
    @lines = @lines[-$MAX_HISTORY..-1];

    open $fh, '>:encoding(UTF-8)', $HISTORY_FILE or return;
    print $fh @lines;
    close $fh;
}

async sub run {
    my ($self) = @_;

    # Show colorful header
    $self->_show_banner;

    my $term = Term::ReadLine->new('acme_claude_shell');

    # Load persistent history
    _load_history($term);

    # Create SDK MCP server with shell tools
    my $mcp = create_sdk_mcp_server(
        name  => 'shell-tools',
        tools => shell_tools($self),
    );

    # Create options with hooks
    my $options = Claude::Agent::Options->new(
        permission_mode => 'bypassPermissions',
        mcp_servers     => { 'shell-tools' => $mcp },
        hooks           => safety_hooks($self),
        dry_run         => $self->dry_run,
        system_prompt   => $self->_system_prompt,
        ($self->has_model ? (model => $self->model) : ()),
    );

    # Create persistent session client
    $self->_client(session(
        options => $options,
        loop    => $self->loop,
    ));

    # REPL loop
    while (1) {
        my $prompt_str = $self->colorful
            ? colored(['bold', 'green'], 'acme_claude_shell> ')
            : 'acme_claude_shell> ';

        my $input = $term->readline($prompt_str);
        last unless defined $input;

        $input =~ s/^\s+|\s+$//g;
        next unless length $input;

        # Built-in commands
        last if $input =~ /^(exit|quit)$/i;

        if ($input =~ /^history$/i) {
            my $selected = $self->_show_history;
            if (defined $selected && length $selected) {
                # User selected a command to re-run - process it
                $term->addhistory($selected);
                _append_to_history($selected);
                await $self->_process_input($selected);
            }
            next;
        }
        if ($input =~ /^clear$/i) {
            system('clear');
            next;
        }
        if ($input =~ /^help$/i) {
            $self->_show_help;
            next;
        }

        # Add to readline history and persist to file
        $term->addhistory($input);
        _append_to_history($input);

        # Process with Claude
        await $self->_process_input($input);
    }

    status('info', "Goodbye!") if $self->colorful;
    return 1;
}

async sub _process_input {
    my ($self, $input) = @_;

    # Query cursor position via /dev/tty before starting spinner
    # This avoids Term::ProgressSpinner's STDIN query which fails after Term::ReadLine
    my $cursor_row = _get_cursor_row();

    # Store spinner in session so hooks can stop it before reading STDIN
    # Pick a random fun spinner each time
    $self->_spinner(start_spinner("Thinking...", $self->loop,
        _random_spinner(),
        defined $cursor_row ? (terminal_line => $cursor_row) : ()));

    # First turn or follow-up
    if ($self->_client->session_id) {
        $self->_client->send($input);
    } else {
        $self->_client->connect($input);