diff --git a/runtimes/basic/core_py/ceefax_cli.py b/runtimes/basic/core_py/ceefax_cli.py
deleted file mode 100644
index aa72193..0000000
--- a/runtimes/basic/core_py/ceefax_cli.py
+++ /dev/null
@@ -1,54 +0,0 @@
-"""ceefax_cli — slim entry point (modules split by file-splitter)"""
-# Auto-generated by file-splitter on 20260618_215546
-
-#!/usr/bin/env python3
-"""
-CeefaxThinUI CLI — Command-line interface for teletext rendering and export
-
-Usage:
-  ucode ceefax [COMMAND] [OPTIONS]
-
-Commands:
-  parse       Parse text/ANSI file to teletext grid
-  render      Render teletext grid in terminal (ANSI output)
-  export      Export teletext grid to HTML, ANSI, or JSON
-  serve       Start ThinUI API server with Ceefax endpoints
-  app         Run the CEETEX Textual teletext app
-  feed        Subscribe to feed channels for live teletext updates
-  spool       Import/export teletext page collections
-  mcp         Send MCP remote control commands to Ceefax
-  vdu         Bridge BBC BASIC VDU output to teletext pages
-  help        Show help for a command
-
-Examples:
-  ucode ceefax parse mygrid.txt
-  ucode ceefax render mygrid.txt
-  ucode ceefax export mygrid.txt --format html
-  ucode ceefax export mygrid.txt --format ansi
-  ucode ceefax serve --port 8001
-  ucode ceefax app
-  ucode ceefax feed subscribe news 101
-  ucode ceefax feed poll
-  ucode ceefax spool save 101 --title "News"
-  ucode ceefax spool export mypages
-  ucode ceefax mcp send PAGE 101
-  ucode ceefax mcp send NEXT
-  ucode ceefax vdu connect
-  ucode ceefax vdu write "Hello from BBC BASIC!"
-"""
-
-import sys
-import os
-import json
-import argparse
-from pathlib import Path
-from typing import Optional
-
-# Add core_py to path
-
-from ceefax_cli_ceefax import *  # ceefax
-from .ceefax_cli_other import *  # other
-from ceefax_cli_mcp import *  # mcp
-
-# Original file backed up to:
-#   /Users/fredbook/.snackbar/backups/file-splitter/20260618_215546_ceefax_cli.py
\ No newline at end of file
diff --git a/runtimes/basic/core_py/ceefax_cli_ceefax.py b/runtimes/basic/core_py/ceefax_cli_ceefax.py
deleted file mode 100644
index 3249c84..0000000
--- a/runtimes/basic/core_py/ceefax_cli_ceefax.py
+++ /dev/null
@@ -1,727 +0,0 @@
-"""ceefax module — extracted from ceefax_cli.py"""
-# Auto-generated by file-splitter on 20260618_215546
-
-#!/usr/bin/env python3
-"""
-CeefaxThinUI CLI — Command-line interface for teletext rendering and export
-
-Usage:
-  ucode ceefax [COMMAND] [OPTIONS]
-
-Commands:
-  parse       Parse text/ANSI file to teletext grid
-  render      Render teletext grid in terminal (ANSI output)
-  export      Export teletext grid to HTML, ANSI, or JSON
-  serve       Start ThinUI API server with Ceefax endpoints
-  app         Run the CEETEX Textual teletext app
-  feed        Subscribe to feed channels for live teletext updates
-  spool       Import/export teletext page collections
-  mcp         Send MCP remote control commands to Ceefax
-  vdu         Bridge BBC BASIC VDU output to teletext pages
-  help        Show help for a command
-
-Examples:
-  ucode ceefax parse mygrid.txt
-  ucode ceefax render mygrid.txt
-  ucode ceefax export mygrid.txt --format html
-  ucode ceefax export mygrid.txt --format ansi
-  ucode ceefax serve --port 8001
-  ucode ceefax app
-  ucode ceefax feed subscribe news 101
-  ucode ceefax feed poll
-  ucode ceefax spool save 101 --title "News"
-  ucode ceefax spool export mypages
-  ucode ceefax mcp send PAGE 101
-  ucode ceefax mcp send NEXT
-  ucode ceefax vdu connect
-  ucode ceefax vdu write "Hello from BBC BASIC!"
-"""
-
-import sys
-import os
-import json
-import argparse
-from pathlib import Path
-from typing import Optional
-
-# Add core_py to path
-
-
-
-class CeefaxCLI:
-    """Command-line interface for CeefaxThinUI teletext operations"""
-
-    def __init__(self):
-        self.bridge = create_bridge()
-
-    def main(self, args):
-        """Main entry point for ceefax CLI"""
-        if len(args) < 1:
-            self._print_help()
-            return
-
-        command = args[0]
-
-        if command == "parse":
-            self._command_parse(args[1:])
-        elif command == "render":
-            self._command_render(args[1:])
-        elif command == "export":
-            self._command_export(args[1:])
-        elif command == "serve":
-            self._command_serve(args[1:])
-        elif command == "app":
-            self._command_app(args[1:])
-        elif command == "feed":
-            self._command_feed(args[1:])
-        elif command == "spool":
-            self._command_spool(args[1:])
-        elif command == "mcp":
-            self._command_mcp(args[1:])
-        elif command == "vdu":
-            self._command_vdu(args[1:])
-        elif command == "help" or command == "--help" or command == "-h":
-            self._print_help()
-        else:
-            print(f"Unknown command: {command}")
-            self._print_help()
-
-    def _print_help(self):
-        """Print help message"""
-        print(__doc__)
-
-    def _load_file(self, filepath: str) -> Optional[str]:
-        """Load content from a file, returning None if not found."""
-        path = Path(filepath)
-        if not path.exists():
-            print(f"❌ File not found: {filepath}")
-            return None
-        try:
-            return path.read_text(encoding="utf-8")
-        except Exception as e:
-            print(f"❌ Error reading file: {e}")
-            return None
-
-    def _detect_format(self, text: str) -> str:
-        """Detect whether text is ANSI, ASCII art, or plain text."""
-        if "\x1b[" in text:
-            return "ansi"
-        # Check for box-drawing characters
-        box_chars = set("┌┐└┘├┤┬┴┼═║╔╗╚╝╠╣╦╩╬")
-        if any(c in text for c in box_chars):
-            return "ascii_art"
-        return "text"
-
-    def _command_parse(self, args):
-        """Parse a text/ANSI file to teletext grid and display summary.
-
-        Usage: ucode ceefax parse [OPTIONS] FILE
-
-        Options:
-          --title TEXT    Page title (default: "Teletext Output")
-          --json          Output grid data as JSON
-        """
-        parser = argparse.ArgumentParser(description="Parse text/ANSI file to teletext grid")
-        parser.add_argument("file", help="Input file path")
-        parser.add_argument("--title", default="Teletext Output", help="Page title")
-        parser.add_argument("--json", action="store_true", help="Output grid data as JSON")
-
-        try:
-            parsed = parser.parse_args(args)
-        except SystemExit:
-            return
-
-        content = self._load_file(parsed.file)
-        if content is None:
-            return
-
-        fmt = self._detect_format(content)
-        self.bridge.clear()
-        self.bridge.set_title(parsed.title)
-
-        if fmt == "ansi":
-            self.bridge.process_ansi(content)
-        elif fmt == "ascii_art":
-            self.bridge.process_ascii_art(content)
-        else:
-            self.bridge.process_text(content)
-
-        if parsed.json:
-            data = self.bridge.get_grid_data()
-            data["title"] = parsed.title
-            print(json.dumps(data, indent=2))
-        else:
-            print(f"✅ Parsed: {parsed.file}")
-            print(f"   Format: {fmt}")
-            print(f"   Title:  {parsed.title}")
-            print(f"   Grid:   {TeletextGrid.COLS}×{TeletextGrid.ROWS}")
-            print()
-            # Show a preview of the grid
-            ansi_output = self.bridge.to_ansi()
-            print(ansi_output)
-
-    def _command_render(self, args):
-        """Render a teletext grid in the terminal with ANSI colours.
-
-        Usage: ucode ceefax render [OPTIONS] FILE
-
-        Options:
-          --title TEXT    Page title (default: "Teletext Output")
-        """
-        parser = argparse.ArgumentParser(description="Render teletext grid in terminal")
-        parser.add_argument("file", help="Input file path")
-        parser.add_argument("--title", default="Teletext Output", help="Page title")
-
-        try:
-            parsed = parser.parse_args(args)
-        except SystemExit:
-            return
-
-        content = self._load_file(parsed.file)
-        if content is None:
-            return
-
-        fmt = self._detect_format(content)
-        self.bridge.clear()
-        self.bridge.set_title(parsed.title)
-
-        if fmt == "ansi":
-            self.bridge.process_ansi(content)
-        elif fmt == "ascii_art":
-            self.bridge.process_ascii_art(content)
-        else:
-            self.bridge.process_text(content)
-
-        # Render to ANSI for terminal display
-        ansi_output = self.bridge.to_ansi()
-        print(ansi_output)
-
-    def _command_export(self, args):
-        """Export teletext grid to HTML, ANSI, or JSON format.
-
-        Usage: ucode ceefax export [OPTIONS] FILE
-
-        Options:
-          --format FORMAT  Export format: html, ansi, json (default: html)
-          --title TEXT     Page title (default: "Teletext Output")
-          --output FILE    Output file path (default: stdout)
-        """
-        parser = argparse.ArgumentParser(description="Export teletext grid")
-        parser.add_argument("file", help="Input file path")
-        parser.add_argument("--format", choices=["html", "ansi", "json"], default="html",
-                          help="Export format (default: html)")
-        parser.add_argument("--title", default="Teletext Output", help="Page title")
-        parser.add_argument("--output", help="Output file path (default: stdout)")
-
-        try:
-            parsed = parser.parse_args(args)
-        except SystemExit:
-            return
-
-        content = self._load_file(parsed.file)
-        if content is None:
-            return
-
-        fmt = self._detect_format(content)
-        self.bridge.clear()
-        self.bridge.set_title(parsed.title)
-
-        if fmt == "ansi":
-            self.bridge.process_ansi(content)
-        elif fmt == "ascii_art":
-            self.bridge.process_ascii_art(content)
-        else:
-            self.bridge.process_text(content)
-
-        # Generate output in requested format
-        if parsed.format == "html":
-            output = self.bridge.to_html(parsed.title)
-        elif parsed.format == "ansi":
-            output = self.bridge.to_ansi()
-        elif parsed.format == "json":
-            data = self.bridge.get_grid_data()
-            data["title"] = parsed.title
-            output = json.dumps(data, indent=2)
-        else:
-            print(f"❌ Unknown format: {parsed.format}")
-            return
-
-        # Write to file or stdout
-        if parsed.output:
-            try:
-                Path(parsed.output).write_text(output, encoding="utf-8")
-                print(f"✅ Exported to: {parsed.output}")
-            except Exception as e:
-                print(f"❌ Error writing output: {e}")
-        else:
-            print(output)
-
-    def _command_serve(self, args):
-        """Start the ThinUI API server with Ceefax endpoints.
-
-        Usage: ucode ceefax serve [OPTIONS]
-
-        Options:
-          --port PORT     Port to listen on (default: 8001)
-          --host HOST     Host to bind to (default: 127.0.0.1)
-          --debug         Enable debug mode
-        """
-        parser = argparse.ArgumentParser(description="Start ThinUI API server")
-        parser.add_argument("--port", type=int, default=8001, help="Port (default: 8001)")
-        parser.add_argument("--host", default="127.0.0.1", help="Host (default: 127.0.0.1)")
-        parser.add_argument("--debug", action="store_true", help="Enable debug mode")
-
-        try:
-            parsed = parser.parse_args(args)
-        except SystemExit:
-            return
-
-        try:
-            from core_py.thinui.api import run_api_server
-            print(f"🚀 Starting ThinUI API server on {parsed.host}:{parsed.port}")
-            print(f"   Ceefax endpoints available at:")
-            print(f"   http://{parsed.host}:{parsed.port}/api/thinui/parse")
-            print(f"   http://{parsed.host}:{parsed.port}/api/thinui/render")
-            print(f"   Press Ctrl+C to stop")
-            run_api_server(host=parsed.host, port=parsed.port)
-        except ImportError as e:
-            print(f"❌ Could not start API server: {e}")
-            print("   Make sure Flask is installed: pip install flask")
-        except KeyboardInterrupt:
-            print("\n🛑 Server stopped")
-        except Exception as e:
-            print(f"❌ Error starting server: {e}")
-
-    def _command_app(self, args):
-        """Run the CEETEX Textual teletext app.
-
-        Usage: ucode ceefax app [OPTIONS]
-
-        Options:
-          --pages PATH    Path to pages.json config file
-        """
-        parser = argparse.ArgumentParser(description="Run CEETEX teletext app")
-        parser.add_argument("--pages", help="Path to pages.json config file")
-
-        try:
-            parsed = parser.parse_args(args)
-        except SystemExit:
-            return
-
-        try:
-            from core_py.ceefax.ceetex_app import run_ceetex
-            print("📺 Starting CEETEX Teletext App...")
-            run_ceetex(pages_path=parsed.pages)
-        except ImportError as e:
-            print(f"❌ Could not start CEETEX app: {e}")
-            print("   Make sure textual is installed: pip install textual feedparser")
-        except KeyboardInterrupt:
-            print("\n🛑 CEETEX app stopped")
-        except Exception as e:
-            print(f"❌ Error starting CEETEX app: {e}")
-
-
-    # ── Feed Commands ──────────────────────────────────────────────
-
-    def _command_feed(self, args):
-        """Subscribe to feed channels for live teletext updates.
-
-        Usage: ucode ceefax feed <subcommand> [OPTIONS]
-
-        Subcommands:
-          subscribe CHANNEL PAGE    Subscribe a feed channel to a page number
-          unsubscribe CHANNEL      Unsubscribe a feed channel
-          list                     List active subscriptions
-          poll                     Poll all subscribed feeds once
-          start [INTERVAL]         Start background polling
-          stop                     Stop background polling
-          write CHANNEL DATA       Write a feed entry (JSON string)
-        """
-        if len(args) < 1:
-            print("Usage: ucode ceefax feed <subcommand> [OPTIONS]")
-            print("Subcommands: subscribe, unsubscribe, list, poll, start, stop, write")
-            return
-
-        from core_py.ceefax.feed_subscriber import create_feed_subscriber
-        subscriber = create_feed_subscriber()
-
-        subcommand = args[0]
-        sub_args = args[1:]
-
-        if subcommand == "subscribe":
-            if len(sub_args) < 2:
-                print("Usage: ucode ceefax feed subscribe CHANNEL PAGE [--title TITLE] [--template TEMPLATE]")
-                return
-            parser = argparse.ArgumentParser(description="Subscribe feed channel")
-            parser.add_argument("channel", help="Feed channel name")
-            parser.add_argument("page", type=int, help="Teletext page number")
-            parser.add_argument("--title", default="", help="Page title")
-            parser.add_argument("--template", default="headline", choices=["headline", "weather", "sport", "custom"],
-                              help="Render template")
-            try:
-                parsed = parser.parse_args(sub_args)
-            except SystemExit:
-                return
-            sub = subscriber.subscribe(parsed.channel, parsed.page, parsed.title, parsed.template)
-            print(f"✅ Subscribed feed '{sub.channel}' → page {sub.page_number}")
-
-        elif subcommand == "unsubscribe":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax feed unsubscribe CHANNEL")
-                return
-            channel = sub_args[0]
-            if subscriber.unsubscribe(channel):
-                print(f"✅ Unsubscribed feed '{channel}'")
-            else:
-                print(f"❌ No subscription for '{channel}'")
-
-        elif subcommand == "list":
-            subs = subscriber.list_subscriptions()
-            if not subs:
-                print("No active subscriptions")
-                return
-            print(f"Active subscriptions ({len(subs)}):")
-            for s in subs:
-                print(f"  {s.channel} → page {s.page_number} [{s.format_template}]")
-
-        elif subcommand == "poll":
-            updated = subscriber.poll_once()
-            print(f"✅ Polled feeds: {updated} pages updated")
-
-        elif subcommand == "start":
-            interval = float(sub_args[0]) if sub_args else 5.0
-            subscriber.start(interval)
-            print(f"✅ Background polling started (interval={interval}s)")
-
-        elif subcommand == "stop":
-            subscriber.stop()
-            print("✅ Background polling stopped")
-
-        elif subcommand == "write":
-            if len(sub_args) < 2:
-                print("Usage: ucode ceefax feed write CHANNEL '{\"key\": \"value\"}'")
-                return
-            channel = sub_args[0]
-            try:
-                data = json.loads(sub_args[1])
-            except json.JSONDecodeError:
-                print("❌ Invalid JSON data")
-                return
-            subscriber.write_feed_entry(channel, data)
-            print(f"✅ Wrote entry to feed '{channel}'")
-
-        else:
-            print(f"Unknown feed subcommand: {subcommand}")
-
-    # ── Spool Commands ─────────────────────────────────────────────
-
-    def _command_spool(self, args):
-        """Import/export teletext page collections.
-
-        Usage: ucode ceefax spool <subcommand> [OPTIONS]
-
-        Subcommands:
-          save PAGE [--title TITLE] [--subtitle SUB]  Save current grid to spool
-          remove PAGE              Remove a page from spool
-          list                     List pages in current spool
-          export FILENAME          Export spool to file
-          import FILEPATH          Import spool from file
-          merge FILEPATH           Merge spool from another file
-          files                    List spool files
-          delete FILENAME          Delete a spool file
-          clear                    Clear current spool
-        """
-        if len(args) < 1:
-            print("Usage: ucode ceefax spool <subcommand> [OPTIONS]")
-            print("Subcommands: save, remove, list, export, import, merge, files, delete, clear")
-            return
-
-        from core_py.ceefax.spool import create_ceefax_spool
-        spool = create_ceefax_spool()
-
-        subcommand = args[0]
-        sub_args = args[1:]
-
-        if subcommand == "save":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax spool save PAGE [--title TITLE] [--subtitle SUB]")
-                return
-            parser = argparse.ArgumentParser(description="Save grid to spool")
-            parser.add_argument("page", type=int, help="Page number")
-            parser.add_argument("--title", default="", help="Page title")
-            parser.add_argument("--subtitle", default="", help="Page subtitle")
-            try:
-                parsed = parser.parse_args(sub_args)
-            except SystemExit:
-                return
-            entry = spool.save_page(parsed.page, self.bridge.grid, parsed.title, parsed.subtitle)
-            print(f"✅ Saved page {entry.page_number} to spool")
-
-        elif subcommand == "remove":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax spool remove PAGE")
-                return
-            page = int(sub_args[0])
-            if spool.remove_page(page):
-                print(f"✅ Removed page {page} from spool")
-            else:
-                print(f"❌ Page {page} not found in spool")
-
-        elif subcommand == "list":
-            pages = spool.list_pages()
-            if not pages:
-                print("No pages in spool")
-                return
-            print(f"Pages in spool ({len(pages)}):")
-            for p in pages:
-                print(f"  Page {p['page_number']}: {p['title'] or '(no title)'}")
-
-        elif subcommand == "export":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax spool export FILENAME")
-                return
-            filepath = spool.export(sub_args[0])
-            print(f"✅ Exported spool to: {filepath}")
-
-        elif subcommand == "import":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax spool import FILEPATH")
-                return
-            try:
-                count = spool.import_file(sub_args[0])
-                print(f"✅ Imported {count} pages from: {sub_args[0]}")
-            except (FileNotFoundError, ValueError) as e:
-                print(f"❌ {e}")
-
-        elif subcommand == "merge":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax spool merge FILEPATH")
-                return
-            try:
-                other = create_ceefax_spool()
-                other.import_file(sub_args[0])
-                merged = spool.merge(other)
-                print(f"✅ Merged {merged} pages from: {sub_args[0]}")
-            except (FileNotFoundError, ValueError) as e:
-                print(f"❌ {e}")
-
-        elif subcommand == "files":
-            files = spool.list_spool_files()
-            if not files:
-                print("No spool files found")
-                return
-            print(f"Spool files ({len(files)}):")
-            for f in files:
-                err = f.get("error", "")
-                if err:
-                    print(f"  {f['filename']}: {err}")
-                else:
-                    print(f"  {f['filename']}: {f['page_count']} pages, {f['size']} bytes")
-
-        elif subcommand == "delete":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax spool delete FILENAME")
-                return
-            if spool.delete_spool_file(sub_args[0]):
-                print(f"✅ Deleted spool file: {sub_args[0]}")
-            else:
-                print(f"❌ Spool file not found: {sub_args[0]}")
-
-        elif subcommand == "clear":
-            spool.clear()
-            print("✅ Spool cleared")
-
-        else:
-            print(f"Unknown spool subcommand: {subcommand}")
-
-    # ── MCP Commands ───────────────────────────────────────────────
-
-    def _command_mcp(self, args):
-        """Send MCP remote control commands to Ceefax.
-
-        Usage: ucode ceefax mcp <subcommand> [OPTIONS]
-
-        Subcommands:
-          send COMMAND [ARGS]      Send an MCP command
-          status                   Show current MCP state
-          history                  Show command history
-          clear                    Clear pending commands and responses
-
-        Commands:
-          NEXT       Next page
-          PREV       Previous page
-          SUB        Toggle subtitle
-          INDEX      Go to index (page 100)
-          REVEAL     Toggle reveal
-          PAGE <n>   Go to specific page
-          HOLD       Toggle hold
-          SIZE       Toggle double height
-          MIX        Toggle mix mode
-          LIST       List pages
-          STATUS     Show status
-        """
-        if len(args) < 1:
-            print("Usage: ucode ceefax mcp <subcommand> [OPTIONS]")
-            print("Subcommands: send, status, history, clear")
-            return
-
-        from core_py.ceefax.mcp_protocol import create_ceefax_mcp
-        mcp = create_ceefax_mcp()
-
-        subcommand = args[0]
-        sub_args = args[1:]
-
-        if subcommand == "send":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax mcp send COMMAND [ARGS]")
-                print("Commands: NEXT, PREV, SUB, INDEX, REVEAL, PAGE <n>, HOLD, SIZE, MIX, LIST, STATUS")
-                return
-            cmd_str = " ".join(sub_args)
-            cmd = mcp.queue_command(cmd_str, source="cli")
-            response = mcp.process_command(cmd)
-            if response:
-                if response.success:
-                    print(f"✅ {response.result}")
-                else:
-                    print(f"❌ {response.error}")
-            else:
-                print(f"✅ Command queued: {cmd_str}")
-
-        elif subcommand == "status":
-            state = mcp.get_state()
-            print("Ceefax MCP State:")
-            print(f"  Current page:  {state['current_page']}")
-            print(f"  Subtitle:      {'on' if state['subtitle'] else 'off'}")
-            print(f"  Reveal:        {'on' if state['reveal'] else 'off'}")
-            print(f"  Hold:          {'on' if state['hold'] else 'off'}")
-            print(f"  Double height: {'on' if state['double_height'] else 'off'}")
-            print(f"  Mix mode:      {'on' if state['mix_mode'] else 'off'}")
-            print(f"  Pending cmds:  {state['pending_commands']}")
-            print(f"  History:       {state['command_history']} commands")
-
-        elif subcommand == "history":
-            history = mcp.get_history(limit=20)
-            if not history:
-                print("No command history")
-                return
-            print("Command history:")
-            for h in history:
-                print(f"  {h['command']} ({h['source']})")
-
-        elif subcommand == "clear":
-            mcp.clear_commands()
-            mcp.clear_responses()
-            print("✅ Cleared pending commands and responses")
-
-        else:
-            print(f"Unknown mcp subcommand: {subcommand}")
-
-    # ── VDU Commands ───────────────────────────────────────────────
-
-    def _command_vdu(self, args):
-        """Bridge BBC BASIC VDU output to teletext pages.
-
-        Usage: ucode ceefax vdu <subcommand> [OPTIONS]
-
-        Subcommands:
-          connect                  Connect to VDU driver (simulated)
-          write TEXT               Write text to VDU page
-          page [NUMBER]            Get/set current VDU page number
-          flush                    Flush buffered text to grid
-          clear                    Clear VDU page
-          grid                     Show current grid as ANSI
-          html                     Export current grid as HTML
-          pages                    List VDU pages
-          title TEXT [PAGE]        Set page title
-          subtitle TEXT [PAGE]     Set page subtitle
-        """
-        if len(args) < 1:
-            print("Usage: ucode ceefax vdu <subcommand> [OPTIONS]")
-            print("Subcommands: connect, write, page, flush, clear, grid, html, pages, title, subtitle")
-            return
-
-        from core_py.ceefax.vdu_bridge import create_vdu_bridge
-        vdu = create_vdu_bridge()
-
-        subcommand = args[0]
-        sub_args = args[1:]
-
-        if subcommand == "connect":
-            print("✅ VDU bridge initialized (page 500)")
-            print("   Use 'vdu write TEXT' to send text")
-            print("   Use 'vdu page NUMBER' to change page")
-
-        elif subcommand == "write":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax vdu write TEXT")
-                return
-            text = " ".join(sub_args)
-            vdu.write(text)
-            vdu.flush()
-            print(f"✅ Wrote: {text[:60]}{'...' if len(text) > 60 else ''}")
-
-        elif subcommand == "page":
-            if sub_args:
-                vdu.set_page_number(int(sub_args[0]))
-            print(f"Current VDU page: {vdu.get_page_number()}")
-
-        elif subcommand == "flush":
-            grid = vdu.flush()
-            if grid:
-                print("✅ Flushed buffer to grid")
-            else:
-                print("No buffered text to flush")
-
-        elif subcommand == "clear":
-            vdu.clear()
-            print("✅ VDU page cleared")
-
-        elif subcommand == "grid":
-            ansi = vdu.to_ansi()
-            print(ansi)
-
-        elif subcommand == "html":
-            html = vdu.to_html()
-            print(html)
-
-        elif subcommand == "pages":
-            pages = vdu.list_pages()
-            if not pages:
-                print("No VDU pages")
-                return
-            print("VDU pages:")
-            for p in pages:
-                print(f"  Page {p['page_number']}: {p['title']} ({p['update_count']} updates)")
-
-        elif subcommand == "title":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax vdu title TEXT [PAGE]")
-                return
-            title = sub_args[0]
-            page = int(sub_args[1]) if len(sub_args) > 1 else None
-            vdu.set_title(title, page)
-            print(f"✅ Title set: {title}")
-
-        elif subcommand == "subtitle":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax vdu subtitle TEXT [PAGE]")
-                return
-            subtitle = sub_args[0]
-            page = int(sub_args[1]) if len(sub_args) > 1 else None
-            vdu.set_subtitle(subtitle, page)
-            print(f"✅ Subtitle set: {subtitle}")
-
-        else:
-            print(f"Unknown vdu subcommand: {subcommand}")
-
-
-def main():
-    """Main entry point for ceefax CLI"""
-    cli = CeefaxCLI()
-    cli.main(sys.argv[1:])
-
-
-
-if __name__ == "__main__":
-    main()
-
diff --git a/runtimes/basic/core_py/ceefax_cli_mcp.py b/runtimes/basic/core_py/ceefax_cli_mcp.py
deleted file mode 100644
index 7102477..0000000
--- a/runtimes/basic/core_py/ceefax_cli_mcp.py
+++ /dev/null
@@ -1,238 +0,0 @@
-"""mcp module — extracted from ceefax_cli.py"""
-# Auto-generated by file-splitter on 20260618_215546
-
-#!/usr/bin/env python3
-"""
-CeefaxThinUI CLI — Command-line interface for teletext rendering and export
-
-Usage:
-  ucode ceefax [COMMAND] [OPTIONS]
-
-Commands:
-  parse       Parse text/ANSI file to teletext grid
-  render      Render teletext grid in terminal (ANSI output)
-  export      Export teletext grid to HTML, ANSI, or JSON
-  serve       Start ThinUI API server with Ceefax endpoints
-  app         Run the CEETEX Textual teletext app
-  feed        Subscribe to feed channels for live teletext updates
-  spool       Import/export teletext page collections
-  mcp         Send MCP remote control commands to Ceefax
-  vdu         Bridge BBC BASIC VDU output to teletext pages
-  help        Show help for a command
-
-Examples:
-  ucode ceefax parse mygrid.txt
-  ucode ceefax render mygrid.txt
-  ucode ceefax export mygrid.txt --format html
-  ucode ceefax export mygrid.txt --format ansi
-  ucode ceefax serve --port 8001
-  ucode ceefax app
-  ucode ceefax feed subscribe news 101
-  ucode ceefax feed poll
-  ucode ceefax spool save 101 --title "News"
-  ucode ceefax spool export mypages
-  ucode ceefax mcp send PAGE 101
-  ucode ceefax mcp send NEXT
-  ucode ceefax vdu connect
-  ucode ceefax vdu write "Hello from BBC BASIC!"
-"""
-
-import sys
-import os
-import json
-import argparse
-from pathlib import Path
-from typing import Optional
-
-# Add core_py to path
-
-
-    def _command_mcp(self, args):
-        """Send MCP remote control commands to Ceefax.
-
-        Usage: ucode ceefax mcp <subcommand> [OPTIONS]
-
-        Subcommands:
-          send COMMAND [ARGS]      Send an MCP command
-          status                   Show current MCP state
-          history                  Show command history
-          clear                    Clear pending commands and responses
-
-        Commands:
-          NEXT       Next page
-          PREV       Previous page
-          SUB        Toggle subtitle
-          INDEX      Go to index (page 100)
-          REVEAL     Toggle reveal
-          PAGE <n>   Go to specific page
-          HOLD       Toggle hold
-          SIZE       Toggle double height
-          MIX        Toggle mix mode
-          LIST       List pages
-          STATUS     Show status
-        """
-        if len(args) < 1:
-            print("Usage: ucode ceefax mcp <subcommand> [OPTIONS]")
-            print("Subcommands: send, status, history, clear")
-            return
-
-        from core_py.ceefax.mcp_protocol import create_ceefax_mcp
-        mcp = create_ceefax_mcp()
-
-        subcommand = args[0]
-        sub_args = args[1:]
-
-        if subcommand == "send":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax mcp send COMMAND [ARGS]")
-                print("Commands: NEXT, PREV, SUB, INDEX, REVEAL, PAGE <n>, HOLD, SIZE, MIX, LIST, STATUS")
-                return
-            cmd_str = " ".join(sub_args)
-            cmd = mcp.queue_command(cmd_str, source="cli")
-            response = mcp.process_command(cmd)
-            if response:
-                if response.success:
-                    print(f"✅ {response.result}")
-                else:
-                    print(f"❌ {response.error}")
-            else:
-                print(f"✅ Command queued: {cmd_str}")
-
-        elif subcommand == "status":
-            state = mcp.get_state()
-            print("Ceefax MCP State:")
-            print(f"  Current page:  {state['current_page']}")
-            print(f"  Subtitle:      {'on' if state['subtitle'] else 'off'}")
-            print(f"  Reveal:        {'on' if state['reveal'] else 'off'}")
-            print(f"  Hold:          {'on' if state['hold'] else 'off'}")
-            print(f"  Double height: {'on' if state['double_height'] else 'off'}")
-            print(f"  Mix mode:      {'on' if state['mix_mode'] else 'off'}")
-            print(f"  Pending cmds:  {state['pending_commands']}")
-            print(f"  History:       {state['command_history']} commands")
-
-        elif subcommand == "history":
-            history = mcp.get_history(limit=20)
-            if not history:
-                print("No command history")
-                return
-            print("Command history:")
-            for h in history:
-                print(f"  {h['command']} ({h['source']})")
-
-        elif subcommand == "clear":
-            mcp.clear_commands()
-            mcp.clear_responses()
-            print("✅ Cleared pending commands and responses")
-
-        else:
-            print(f"Unknown mcp subcommand: {subcommand}")
-
-    # ── VDU Commands ───────────────────────────────────────────────
-
-    def _command_vdu(self, args):
-        """Bridge BBC BASIC VDU output to teletext pages.
-
-        Usage: ucode ceefax vdu <subcommand> [OPTIONS]
-
-        Subcommands:
-          connect                  Connect to VDU driver (simulated)
-          write TEXT               Write text to VDU page
-          page [NUMBER]            Get/set current VDU page number
-          flush                    Flush buffered text to grid
-          clear                    Clear VDU page
-          grid                     Show current grid as ANSI
-          html                     Export current grid as HTML
-          pages                    List VDU pages
-          title TEXT [PAGE]        Set page title
-          subtitle TEXT [PAGE]     Set page subtitle
-        """
-        if len(args) < 1:
-            print("Usage: ucode ceefax vdu <subcommand> [OPTIONS]")
-            print("Subcommands: connect, write, page, flush, clear, grid, html, pages, title, subtitle")
-            return
-
-        from core_py.ceefax.vdu_bridge import create_vdu_bridge
-        vdu = create_vdu_bridge()
-
-        subcommand = args[0]
-        sub_args = args[1:]
-
-        if subcommand == "connect":
-            print("✅ VDU bridge initialized (page 500)")
-            print("   Use 'vdu write TEXT' to send text")
-            print("   Use 'vdu page NUMBER' to change page")
-
-        elif subcommand == "write":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax vdu write TEXT")
-                return
-            text = " ".join(sub_args)
-            vdu.write(text)
-            vdu.flush()
-            print(f"✅ Wrote: {text[:60]}{'...' if len(text) > 60 else ''}")
-
-        elif subcommand == "page":
-            if sub_args:
-                vdu.set_page_number(int(sub_args[0]))
-            print(f"Current VDU page: {vdu.get_page_number()}")
-
-        elif subcommand == "flush":
-            grid = vdu.flush()
-            if grid:
-                print("✅ Flushed buffer to grid")
-            else:
-                print("No buffered text to flush")
-
-        elif subcommand == "clear":
-            vdu.clear()
-            print("✅ VDU page cleared")
-
-        elif subcommand == "grid":
-            ansi = vdu.to_ansi()
-            print(ansi)
-
-        elif subcommand == "html":
-            html = vdu.to_html()
-            print(html)
-
-        elif subcommand == "pages":
-            pages = vdu.list_pages()
-            if not pages:
-                print("No VDU pages")
-                return
-            print("VDU pages:")
-            for p in pages:
-                print(f"  Page {p['page_number']}: {p['title']} ({p['update_count']} updates)")
-
-        elif subcommand == "title":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax vdu title TEXT [PAGE]")
-                return
-            title = sub_args[0]
-            page = int(sub_args[1]) if len(sub_args) > 1 else None
-            vdu.set_title(title, page)
-            print(f"✅ Title set: {title}")
-
-        elif subcommand == "subtitle":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax vdu subtitle TEXT [PAGE]")
-                return
-            subtitle = sub_args[0]
-            page = int(sub_args[1]) if len(sub_args) > 1 else None
-            vdu.set_subtitle(subtitle, page)
-            print(f"✅ Subtitle set: {subtitle}")
-
-        else:
-            print(f"Unknown vdu subcommand: {subcommand}")
-
-
-def main():
-    """Main entry point for ceefax CLI"""
-    cli = CeefaxCLI()
-    cli.main(sys.argv[1:])
-
-
-
-if __name__ == "__main__":
-    main()
-
diff --git a/runtimes/basic/core_py/ceefax_cli_other.py b/runtimes/basic/core_py/ceefax_cli_other.py
deleted file mode 100644
index ae42d85..0000000
--- a/runtimes/basic/core_py/ceefax_cli_other.py
+++ /dev/null
@@ -1,750 +0,0 @@
-"""other module — extracted from ceefax_cli.py"""
-# Auto-generated by file-splitter on 20260618_215546
-
-#!/usr/bin/env python3
-"""
-CeefaxThinUI CLI — Command-line interface for teletext rendering and export
-
-Usage:
-  ucode ceefax [COMMAND] [OPTIONS]
-
-Commands:
-  parse       Parse text/ANSI file to teletext grid
-  render      Render teletext grid in terminal (ANSI output)
-  export      Export teletext grid to HTML, ANSI, or JSON
-  serve       Start ThinUI API server with Ceefax endpoints
-  app         Run the CEETEX Textual teletext app
-  feed        Subscribe to feed channels for live teletext updates
-  spool       Import/export teletext page collections
-  mcp         Send MCP remote control commands to Ceefax
-  vdu         Bridge BBC BASIC VDU output to teletext pages
-  help        Show help for a command
-
-Examples:
-  ucode ceefax parse mygrid.txt
-  ucode ceefax render mygrid.txt
-  ucode ceefax export mygrid.txt --format html
-  ucode ceefax export mygrid.txt --format ansi
-  ucode ceefax serve --port 8001
-  ucode ceefax app
-  ucode ceefax feed subscribe news 101
-  ucode ceefax feed poll
-  ucode ceefax spool save 101 --title "News"
-  ucode ceefax spool export mypages
-  ucode ceefax mcp send PAGE 101
-  ucode ceefax mcp send NEXT
-  ucode ceefax vdu connect
-  ucode ceefax vdu write "Hello from BBC BASIC!"
-"""
-
-import sys
-import os
-import json
-import argparse
-from pathlib import Path
-from typing import Optional
-
-# Add core_py to path
-
-
-    def __init__(self):
-        self.bridge = create_bridge()
-
-
-
-    def main(self, args):
-        """Main entry point for ceefax CLI"""
-        if len(args) < 1:
-            self._print_help()
-            return
-
-        command = args[0]
-
-        if command == "parse":
-            self._command_parse(args[1:])
-        elif command == "render":
-            self._command_render(args[1:])
-        elif command == "export":
-            self._command_export(args[1:])
-        elif command == "serve":
-            self._command_serve(args[1:])
-        elif command == "app":
-            self._command_app(args[1:])
-        elif command == "feed":
-            self._command_feed(args[1:])
-        elif command == "spool":
-            self._command_spool(args[1:])
-        elif command == "mcp":
-            self._command_mcp(args[1:])
-        elif command == "vdu":
-            self._command_vdu(args[1:])
-        elif command == "help" or command == "--help" or command == "-h":
-            self._print_help()
-        else:
-            print(f"Unknown command: {command}")
-            self._print_help()
-
-
-
-    def _print_help(self):
-        """Print help message"""
-        print(__doc__)
-
-
-
-    def _load_file(self, filepath: str) -> Optional[str]:
-        """Load content from a file, returning None if not found."""
-        path = Path(filepath)
-        if not path.exists():
-            print(f"❌ File not found: {filepath}")
-            return None
-        try:
-            return path.read_text(encoding="utf-8")
-        except Exception as e:
-            print(f"❌ Error reading file: {e}")
-            return None
-
-
-
-    def _detect_format(self, text: str) -> str:
-        """Detect whether text is ANSI, ASCII art, or plain text."""
-        if "\x1b[" in text:
-            return "ansi"
-        # Check for box-drawing characters
-        box_chars = set("┌┐└┘├┤┬┴┼═║╔╗╚╝╠╣╦╩╬")
-        if any(c in text for c in box_chars):
-            return "ascii_art"
-        return "text"
-
-
-
-    def _command_parse(self, args):
-        """Parse a text/ANSI file to teletext grid and display summary.
-
-        Usage: ucode ceefax parse [OPTIONS] FILE
-
-        Options:
-          --title TEXT    Page title (default: "Teletext Output")
-          --json          Output grid data as JSON
-        """
-        parser = argparse.ArgumentParser(description="Parse text/ANSI file to teletext grid")
-        parser.add_argument("file", help="Input file path")
-        parser.add_argument("--title", default="Teletext Output", help="Page title")
-        parser.add_argument("--json", action="store_true", help="Output grid data as JSON")
-
-        try:
-            parsed = parser.parse_args(args)
-        except SystemExit:
-            return
-
-        content = self._load_file(parsed.file)
-        if content is None:
-            return
-
-        fmt = self._detect_format(content)
-        self.bridge.clear()
-        self.bridge.set_title(parsed.title)
-
-        if fmt == "ansi":
-            self.bridge.process_ansi(content)
-        elif fmt == "ascii_art":
-            self.bridge.process_ascii_art(content)
-        else:
-            self.bridge.process_text(content)
-
-        if parsed.json:
-            data = self.bridge.get_grid_data()
-            data["title"] = parsed.title
-            print(json.dumps(data, indent=2))
-        else:
-            print(f"✅ Parsed: {parsed.file}")
-            print(f"   Format: {fmt}")
-            print(f"   Title:  {parsed.title}")
-            print(f"   Grid:   {TeletextGrid.COLS}×{TeletextGrid.ROWS}")
-            print()
-            # Show a preview of the grid
-            ansi_output = self.bridge.to_ansi()
-            print(ansi_output)
-
-
-
-    def _command_render(self, args):
-        """Render a teletext grid in the terminal with ANSI colours.
-
-        Usage: ucode ceefax render [OPTIONS] FILE
-
-        Options:
-          --title TEXT    Page title (default: "Teletext Output")
-        """
-        parser = argparse.ArgumentParser(description="Render teletext grid in terminal")
-        parser.add_argument("file", help="Input file path")
-        parser.add_argument("--title", default="Teletext Output", help="Page title")
-
-        try:
-            parsed = parser.parse_args(args)
-        except SystemExit:
-            return
-
-        content = self._load_file(parsed.file)
-        if content is None:
-            return
-
-        fmt = self._detect_format(content)
-        self.bridge.clear()
-        self.bridge.set_title(parsed.title)
-
-        if fmt == "ansi":
-            self.bridge.process_ansi(content)
-        elif fmt == "ascii_art":
-            self.bridge.process_ascii_art(content)
-        else:
-            self.bridge.process_text(content)
-
-        # Render to ANSI for terminal display
-        ansi_output = self.bridge.to_ansi()
-        print(ansi_output)
-
-
-
-    def _command_export(self, args):
-        """Export teletext grid to HTML, ANSI, or JSON format.
-
-        Usage: ucode ceefax export [OPTIONS] FILE
-
-        Options:
-          --format FORMAT  Export format: html, ansi, json (default: html)
-          --title TEXT     Page title (default: "Teletext Output")
-          --output FILE    Output file path (default: stdout)
-        """
-        parser = argparse.ArgumentParser(description="Export teletext grid")
-        parser.add_argument("file", help="Input file path")
-        parser.add_argument("--format", choices=["html", "ansi", "json"], default="html",
-                          help="Export format (default: html)")
-        parser.add_argument("--title", default="Teletext Output", help="Page title")
-        parser.add_argument("--output", help="Output file path (default: stdout)")
-
-        try:
-            parsed = parser.parse_args(args)
-        except SystemExit:
-            return
-
-        content = self._load_file(parsed.file)
-        if content is None:
-            return
-
-        fmt = self._detect_format(content)
-        self.bridge.clear()
-        self.bridge.set_title(parsed.title)
-
-        if fmt == "ansi":
-            self.bridge.process_ansi(content)
-        elif fmt == "ascii_art":
-            self.bridge.process_ascii_art(content)
-        else:
-            self.bridge.process_text(content)
-
-        # Generate output in requested format
-        if parsed.format == "html":
-            output = self.bridge.to_html(parsed.title)
-        elif parsed.format == "ansi":
-            output = self.bridge.to_ansi()
-        elif parsed.format == "json":
-            data = self.bridge.get_grid_data()
-            data["title"] = parsed.title
-            output = json.dumps(data, indent=2)
-        else:
-            print(f"❌ Unknown format: {parsed.format}")
-            return
-
-        # Write to file or stdout
-        if parsed.output:
-            try:
-                Path(parsed.output).write_text(output, encoding="utf-8")
-                print(f"✅ Exported to: {parsed.output}")
-            except Exception as e:
-                print(f"❌ Error writing output: {e}")
-        else:
-            print(output)
-
-
-
-    def _command_serve(self, args):
-        """Start the ThinUI API server with Ceefax endpoints.
-
-        Usage: ucode ceefax serve [OPTIONS]
-
-        Options:
-          --port PORT     Port to listen on (default: 8001)
-          --host HOST     Host to bind to (default: 127.0.0.1)
-          --debug         Enable debug mode
-        """
-        parser = argparse.ArgumentParser(description="Start ThinUI API server")
-        parser.add_argument("--port", type=int, default=8001, help="Port (default: 8001)")
-        parser.add_argument("--host", default="127.0.0.1", help="Host (default: 127.0.0.1)")
-        parser.add_argument("--debug", action="store_true", help="Enable debug mode")
-
-        try:
-            parsed = parser.parse_args(args)
-        except SystemExit:
-            return
-
-        try:
-            from core_py.thinui.api import run_api_server
-            print(f"🚀 Starting ThinUI API server on {parsed.host}:{parsed.port}")
-            print(f"   Ceefax endpoints available at:")
-            print(f"   http://{parsed.host}:{parsed.port}/api/thinui/parse")
-            print(f"   http://{parsed.host}:{parsed.port}/api/thinui/render")
-            print(f"   Press Ctrl+C to stop")
-            run_api_server(host=parsed.host, port=parsed.port)
-        except ImportError as e:
-            print(f"❌ Could not start API server: {e}")
-            print("   Make sure Flask is installed: pip install flask")
-        except KeyboardInterrupt:
-            print("\n🛑 Server stopped")
-        except Exception as e:
-            print(f"❌ Error starting server: {e}")
-
-
-
-    def _command_app(self, args):
-        """Run the CEETEX Textual teletext app.
-
-        Usage: ucode ceefax app [OPTIONS]
-
-        Options:
-          --pages PATH    Path to pages.json config file
-        """
-        parser = argparse.ArgumentParser(description="Run CEETEX teletext app")
-        parser.add_argument("--pages", help="Path to pages.json config file")
-
-        try:
-            parsed = parser.parse_args(args)
-        except SystemExit:
-            return
-
-        try:
-            from core_py.ceefax.ceetex_app import run_ceetex
-            print("📺 Starting CEETEX Teletext App...")
-            run_ceetex(pages_path=parsed.pages)
-        except ImportError as e:
-            print(f"❌ Could not start CEETEX app: {e}")
-            print("   Make sure textual is installed: pip install textual feedparser")
-        except KeyboardInterrupt:
-            print("\n🛑 CEETEX app stopped")
-        except Exception as e:
-            print(f"❌ Error starting CEETEX app: {e}")
-
-
-    # ── Feed Commands ──────────────────────────────────────────────
-
-
-
-    def _command_feed(self, args):
-        """Subscribe to feed channels for live teletext updates.
-
-        Usage: ucode ceefax feed <subcommand> [OPTIONS]
-
-        Subcommands:
-          subscribe CHANNEL PAGE    Subscribe a feed channel to a page number
-          unsubscribe CHANNEL      Unsubscribe a feed channel
-          list                     List active subscriptions
-          poll                     Poll all subscribed feeds once
-          start [INTERVAL]         Start background polling
-          stop                     Stop background polling
-          write CHANNEL DATA       Write a feed entry (JSON string)
-        """
-        if len(args) < 1:
-            print("Usage: ucode ceefax feed <subcommand> [OPTIONS]")
-            print("Subcommands: subscribe, unsubscribe, list, poll, start, stop, write")
-            return
-
-        from core_py.ceefax.feed_subscriber import create_feed_subscriber
-        subscriber = create_feed_subscriber()
-
-        subcommand = args[0]
-        sub_args = args[1:]
-
-        if subcommand == "subscribe":
-            if len(sub_args) < 2:
-                print("Usage: ucode ceefax feed subscribe CHANNEL PAGE [--title TITLE] [--template TEMPLATE]")
-                return
-            parser = argparse.ArgumentParser(description="Subscribe feed channel")
-            parser.add_argument("channel", help="Feed channel name")
-            parser.add_argument("page", type=int, help="Teletext page number")
-            parser.add_argument("--title", default="", help="Page title")
-            parser.add_argument("--template", default="headline", choices=["headline", "weather", "sport", "custom"],
-                              help="Render template")
-            try:
-                parsed = parser.parse_args(sub_args)
-            except SystemExit:
-                return
-            sub = subscriber.subscribe(parsed.channel, parsed.page, parsed.title, parsed.template)
-            print(f"✅ Subscribed feed '{sub.channel}' → page {sub.page_number}")
-
-        elif subcommand == "unsubscribe":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax feed unsubscribe CHANNEL")
-                return
-            channel = sub_args[0]
-            if subscriber.unsubscribe(channel):
-                print(f"✅ Unsubscribed feed '{channel}'")
-            else:
-                print(f"❌ No subscription for '{channel}'")
-
-        elif subcommand == "list":
-            subs = subscriber.list_subscriptions()
-            if not subs:
-                print("No active subscriptions")
-                return
-            print(f"Active subscriptions ({len(subs)}):")
-            for s in subs:
-                print(f"  {s.channel} → page {s.page_number} [{s.format_template}]")
-
-        elif subcommand == "poll":
-            updated = subscriber.poll_once()
-            print(f"✅ Polled feeds: {updated} pages updated")
-
-        elif subcommand == "start":
-            interval = float(sub_args[0]) if sub_args else 5.0
-            subscriber.start(interval)
-            print(f"✅ Background polling started (interval={interval}s)")
-
-        elif subcommand == "stop":
-            subscriber.stop()
-            print("✅ Background polling stopped")
-
-        elif subcommand == "write":
-            if len(sub_args) < 2:
-                print("Usage: ucode ceefax feed write CHANNEL '{\"key\": \"value\"}'")
-                return
-            channel = sub_args[0]
-            try:
-                data = json.loads(sub_args[1])
-            except json.JSONDecodeError:
-                print("❌ Invalid JSON data")
-                return
-            subscriber.write_feed_entry(channel, data)
-            print(f"✅ Wrote entry to feed '{channel}'")
-
-        else:
-            print(f"Unknown feed subcommand: {subcommand}")
-
-    # ── Spool Commands ─────────────────────────────────────────────
-
-
-
-    def _command_spool(self, args):
-        """Import/export teletext page collections.
-
-        Usage: ucode ceefax spool <subcommand> [OPTIONS]
-
-        Subcommands:
-          save PAGE [--title TITLE] [--subtitle SUB]  Save current grid to spool
-          remove PAGE              Remove a page from spool
-          list                     List pages in current spool
-          export FILENAME          Export spool to file
-          import FILEPATH          Import spool from file
-          merge FILEPATH           Merge spool from another file
-          files                    List spool files
-          delete FILENAME          Delete a spool file
-          clear                    Clear current spool
-        """
-        if len(args) < 1:
-            print("Usage: ucode ceefax spool <subcommand> [OPTIONS]")
-            print("Subcommands: save, remove, list, export, import, merge, files, delete, clear")
-            return
-
-        from core_py.ceefax.spool import create_ceefax_spool
-        spool = create_ceefax_spool()
-
-        subcommand = args[0]
-        sub_args = args[1:]
-
-        if subcommand == "save":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax spool save PAGE [--title TITLE] [--subtitle SUB]")
-                return
-            parser = argparse.ArgumentParser(description="Save grid to spool")
-            parser.add_argument("page", type=int, help="Page number")
-            parser.add_argument("--title", default="", help="Page title")
-            parser.add_argument("--subtitle", default="", help="Page subtitle")
-            try:
-                parsed = parser.parse_args(sub_args)
-            except SystemExit:
-                return
-            entry = spool.save_page(parsed.page, self.bridge.grid, parsed.title, parsed.subtitle)
-            print(f"✅ Saved page {entry.page_number} to spool")
-
-        elif subcommand == "remove":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax spool remove PAGE")
-                return
-            page = int(sub_args[0])
-            if spool.remove_page(page):
-                print(f"✅ Removed page {page} from spool")
-            else:
-                print(f"❌ Page {page} not found in spool")
-
-        elif subcommand == "list":
-            pages = spool.list_pages()
-            if not pages:
-                print("No pages in spool")
-                return
-            print(f"Pages in spool ({len(pages)}):")
-            for p in pages:
-                print(f"  Page {p['page_number']}: {p['title'] or '(no title)'}")
-
-        elif subcommand == "export":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax spool export FILENAME")
-                return
-            filepath = spool.export(sub_args[0])
-            print(f"✅ Exported spool to: {filepath}")
-
-        elif subcommand == "import":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax spool import FILEPATH")
-                return
-            try:
-                count = spool.import_file(sub_args[0])
-                print(f"✅ Imported {count} pages from: {sub_args[0]}")
-            except (FileNotFoundError, ValueError) as e:
-                print(f"❌ {e}")
-
-        elif subcommand == "merge":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax spool merge FILEPATH")
-                return
-            try:
-                other = create_ceefax_spool()
-                other.import_file(sub_args[0])
-                merged = spool.merge(other)
-                print(f"✅ Merged {merged} pages from: {sub_args[0]}")
-            except (FileNotFoundError, ValueError) as e:
-                print(f"❌ {e}")
-
-        elif subcommand == "files":
-            files = spool.list_spool_files()
-            if not files:
-                print("No spool files found")
-                return
-            print(f"Spool files ({len(files)}):")
-            for f in files:
-                err = f.get("error", "")
-                if err:
-                    print(f"  {f['filename']}: {err}")
-                else:
-                    print(f"  {f['filename']}: {f['page_count']} pages, {f['size']} bytes")
-
-        elif subcommand == "delete":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax spool delete FILENAME")
-                return
-            if spool.delete_spool_file(sub_args[0]):
-                print(f"✅ Deleted spool file: {sub_args[0]}")
-            else:
-                print(f"❌ Spool file not found: {sub_args[0]}")
-
-        elif subcommand == "clear":
-            spool.clear()
-            print("✅ Spool cleared")
-
-        else:
-            print(f"Unknown spool subcommand: {subcommand}")
-
-    # ── MCP Commands ───────────────────────────────────────────────
-
-    def _command_mcp(self, args):
-        """Send MCP remote control commands to Ceefax.
-
-        Usage: ucode ceefax mcp <subcommand> [OPTIONS]
-
-        Subcommands:
-          send COMMAND [ARGS]      Send an MCP command
-          status                   Show current MCP state
-          history                  Show command history
-          clear                    Clear pending commands and responses
-
-        Commands:
-          NEXT       Next page
-          PREV       Previous page
-          SUB        Toggle subtitle
-          INDEX      Go to index (page 100)
-          REVEAL     Toggle reveal
-          PAGE <n>   Go to specific page
-          HOLD       Toggle hold
-          SIZE       Toggle double height
-          MIX        Toggle mix mode
-          LIST       List pages
-          STATUS     Show status
-        """
-        if len(args) < 1:
-            print("Usage: ucode ceefax mcp <subcommand> [OPTIONS]")
-            print("Subcommands: send, status, history, clear")
-            return
-
-        from core_py.ceefax.mcp_protocol import create_ceefax_mcp
-        mcp = create_ceefax_mcp()
-
-        subcommand = args[0]
-        sub_args = args[1:]
-
-        if subcommand == "send":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax mcp send COMMAND [ARGS]")
-                print("Commands: NEXT, PREV, SUB, INDEX, REVEAL, PAGE <n>, HOLD, SIZE, MIX, LIST, STATUS")
-                return
-            cmd_str = " ".join(sub_args)
-            cmd = mcp.queue_command(cmd_str, source="cli")
-            response = mcp.process_command(cmd)
-            if response:
-                if response.success:
-                    print(f"✅ {response.result}")
-                else:
-                    print(f"❌ {response.error}")
-            else:
-                print(f"✅ Command queued: {cmd_str}")
-
-        elif subcommand == "status":
-            state = mcp.get_state()
-            print("Ceefax MCP State:")
-            print(f"  Current page:  {state['current_page']}")
-            print(f"  Subtitle:      {'on' if state['subtitle'] else 'off'}")
-            print(f"  Reveal:        {'on' if state['reveal'] else 'off'}")
-            print(f"  Hold:          {'on' if state['hold'] else 'off'}")
-            print(f"  Double height: {'on' if state['double_height'] else 'off'}")
-            print(f"  Mix mode:      {'on' if state['mix_mode'] else 'off'}")
-            print(f"  Pending cmds:  {state['pending_commands']}")
-            print(f"  History:       {state['command_history']} commands")
-
-        elif subcommand == "history":
-            history = mcp.get_history(limit=20)
-            if not history:
-                print("No command history")
-                return
-            print("Command history:")
-            for h in history:
-                print(f"  {h['command']} ({h['source']})")
-
-        elif subcommand == "clear":
-            mcp.clear_commands()
-            mcp.clear_responses()
-            print("✅ Cleared pending commands and responses")
-
-        else:
-            print(f"Unknown mcp subcommand: {subcommand}")
-
-    # ── VDU Commands ───────────────────────────────────────────────
-
-
-
-    def _command_vdu(self, args):
-        """Bridge BBC BASIC VDU output to teletext pages.
-
-        Usage: ucode ceefax vdu <subcommand> [OPTIONS]
-
-        Subcommands:
-          connect                  Connect to VDU driver (simulated)
-          write TEXT               Write text to VDU page
-          page [NUMBER]            Get/set current VDU page number
-          flush                    Flush buffered text to grid
-          clear                    Clear VDU page
-          grid                     Show current grid as ANSI
-          html                     Export current grid as HTML
-          pages                    List VDU pages
-          title TEXT [PAGE]        Set page title
-          subtitle TEXT [PAGE]     Set page subtitle
-        """
-        if len(args) < 1:
-            print("Usage: ucode ceefax vdu <subcommand> [OPTIONS]")
-            print("Subcommands: connect, write, page, flush, clear, grid, html, pages, title, subtitle")
-            return
-
-        from core_py.ceefax.vdu_bridge import create_vdu_bridge
-        vdu = create_vdu_bridge()
-
-        subcommand = args[0]
-        sub_args = args[1:]
-
-        if subcommand == "connect":
-            print("✅ VDU bridge initialized (page 500)")
-            print("   Use 'vdu write TEXT' to send text")
-            print("   Use 'vdu page NUMBER' to change page")
-
-        elif subcommand == "write":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax vdu write TEXT")
-                return
-            text = " ".join(sub_args)
-            vdu.write(text)
-            vdu.flush()
-            print(f"✅ Wrote: {text[:60]}{'...' if len(text) > 60 else ''}")
-
-        elif subcommand == "page":
-            if sub_args:
-                vdu.set_page_number(int(sub_args[0]))
-            print(f"Current VDU page: {vdu.get_page_number()}")
-
-        elif subcommand == "flush":
-            grid = vdu.flush()
-            if grid:
-                print("✅ Flushed buffer to grid")
-            else:
-                print("No buffered text to flush")
-
-        elif subcommand == "clear":
-            vdu.clear()
-            print("✅ VDU page cleared")
-
-        elif subcommand == "grid":
-            ansi = vdu.to_ansi()
-            print(ansi)
-
-        elif subcommand == "html":
-            html = vdu.to_html()
-            print(html)
-
-        elif subcommand == "pages":
-            pages = vdu.list_pages()
-            if not pages:
-                print("No VDU pages")
-                return
-            print("VDU pages:")
-            for p in pages:
-                print(f"  Page {p['page_number']}: {p['title']} ({p['update_count']} updates)")
-
-        elif subcommand == "title":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax vdu title TEXT [PAGE]")
-                return
-            title = sub_args[0]
-            page = int(sub_args[1]) if len(sub_args) > 1 else None
-            vdu.set_title(title, page)
-            print(f"✅ Title set: {title}")
-
-        elif subcommand == "subtitle":
-            if len(sub_args) < 1:
-                print("Usage: ucode ceefax vdu subtitle TEXT [PAGE]")
-                return
-            subtitle = sub_args[0]
-            page = int(sub_args[1]) if len(sub_args) > 1 else None
-            vdu.set_subtitle(subtitle, page)
-            print(f"✅ Subtitle set: {subtitle}")
-
-        else:
-            print(f"Unknown vdu subcommand: {subcommand}")
-
-
-
-
-
-def main():
-    """Main entry point for ceefax CLI"""
-    cli = CeefaxCLI()
-    cli.main(sys.argv[1:])
-
-
-
-if __name__ == "__main__":
-    main()
-
diff --git a/runtimes/basic/core_py/cli.py b/runtimes/basic/core_py/cli.py
index ae51604..994e29b 100644
--- a/runtimes/basic/core_py/cli.py
+++ b/runtimes/basic/core_py/cli.py
@@ -42,10 +42,6 @@ def main():
         from .snack_cli import main as snack_main
         snack_main()
         return
-    elif subcommand == 'ceefax':
-        from .ceefax_cli import main as ceefax_main
-        ceefax_main()
-        return
     elif subcommand == 'acs':
         from .bbc.acs.acs_cli import main as acs_main
         acs_main()
@@ -106,4 +102,4 @@ def main():
 
 
 if __name__ == '__main__':
-    main()
\ No newline at end of file
+    main()