Preserve backup_old_docker bot variant at root (for comparison)

Snapshot of the dockerisation-era bot code laid out at the repository
root so it can be diffed directly against the working-copy baseline
(restructure/working-copy-root) to see how the variant differed:

- thin_client.py asyncio entrypoint (vs working_copy bot.py)
- constants.py env-var/credential refactor, communication auth, etc.
- extra gpt_interface/ service, sync.py, watch_script_params.py
- conanjurer_* modules absent in this variant

Docker infrastructure (docker/, docker-compose.yml, .dockerignore)
intentionally omitted - this branch is for code comparison only and is
not intended to be merged.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

thin_client.py

@@ -0,0 +1,123 @@
+# This Python file uses the following encoding: utf-8
+# trunk-ignore-all(bandit/B311)
+# pylint: disable=line-too-long
+# pylint: disable=too-many-lines
+"""Discord entrypoint for the Conjurer bot.
+
+The legacy bootstrap used threads and synchronous calls that made clean
+shutdowns difficult.  We now run everything from a single asyncio event loop
+with cooperative shutdown signals so the bot can stop gracefully.
+"""
+
+import asyncio
+import logging
+import random
+import threading
+from logging import handlers
+
+import discord
+from discord.ext import commands
+
+from conjurer.backup_old_docker.communication_subroutine import comm_subroutine
+from conjurer.backup_old_docker.constants import ENCODING, LOGFILE, TOKEN
+logger = logging.getLogger("discord")
+logger.setLevel(logging.INFO)
+handler = handlers.RotatingFileHandler(
+    filename=LOGFILE,
+    encoding=ENCODING,
+    mode="a",
+    maxBytes=6 * 1024 * 1024,
+    backupCount=6,
+    )
+formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s")
+handler.setFormatter(formatter)
+logger.addHandler(handler)
+
+# *=========================================== Initializations
+intents = discord.Intents.default()
+intents.message_content = True
+intents.typing = True
+intents.presences = True
+intents.members = True
+intents.messages = True
+intents.voice_states = True
+intents.moderation = True
+
+# on_member_ban - wyswietl na glownym kanale pieczatke "Niech spierdala"
+# on_member_unban - "mam wyjebane"
+
+random.seed()
+client = commands.Bot(intents=intents, command_prefix="$")
+
+
+# *=========================================== Define Events
+@client.event
+async def on_ready():
+    """Metoda wywoływana przy połączeniu do serwera."""
+    logger = logging.getLogger("discord")
+    logger.debug("SAMPLE DEBUG LOG")
+    logger.info("%s has connected to Discord!", client.user)
+    # TODO: load vs reload
+    logger.info("Reactor: online")
+
+    await client.load_extension("administration_commands")
+
+    await client.load_extension("librarian_commands")
+    await client.load_extension("music_commands")
+    await client.load_extension("radio_commands")
+
+    await client.load_extension("ai_commands")
+
+    await client.load_extension("other_commands")
+    await client.load_extension("voice_recognition_commands")
+    await client.load_extension("file_search_commands")
+    await client.load_extension("latex_commands")
+    logger.info("Sensors: online")
+
+    logger.info(client.cogs)
+    await client.tree.sync()
+    for com in client.commands:
+        logger.info("Command %s is awejleble", com.qualified_name)
+
+    logger.info("Logged in as ----> %s", client.user)
+    logger.info("ID:%s ", client.user.id)
+    logger.info("All systems: operational")
+
+
+async def _run_comm_subroutine(stop_event: threading.Event) -> None:
+    await asyncio.to_thread(comm_subroutine, stop_event)
+
+
+async def _run_bot(token: str, shutdown_event: asyncio.Event) -> None:
+    try:
+        await client.start(token, log_handler=None)
+    finally:
+        shutdown_event.set()
+
+
+async def main() -> None:
+    if not TOKEN:
+        logger.error("Discord token missing – set DISCORD_TOKEN or configure netrc")
+        return
+
+    shutdown_event = asyncio.Event()
+    comm_stop_event = threading.Event()
+
+    comm_task = asyncio.create_task(_run_comm_subroutine(comm_stop_event))
+    bot_task = asyncio.create_task(_run_bot(TOKEN, shutdown_event))
+
+    try:
+        await shutdown_event.wait()
+    except (KeyboardInterrupt, asyncio.CancelledError):
+        logger.info("Shutdown signal received")
+        comm_stop_event.set()
+        await client.close()
+    finally:
+        comm_stop_event.set()
+        if not client.is_closed():
+            await client.close()
+        await asyncio.gather(bot_task, comm_task, return_exceptions=True)
+
+
+if __name__ == "__main__":
+    asyncio.run(main())