implemented discord adapter

pm/tasks-v2.org

@@ -122,7 +122,7 @@ update the discord bot into a thin frontend that talks to the backend and verify
    
 ** evidence
 - commit:
-- tests:
+- tests: https://youtu.be/20HxMMSqRyg?si=3v7mN2L88c_FxpQR 18m
   1. start backend: `python3 -m uvicorn youdis.main:app --host 127.0.0.1 --port 8000`
   2. create local env file: `cp .env.example .env`
   3. add `api_token` to `.env`
@@ -142,17 +142,47 @@ KeyError: 'youtube'
     #+end_src
      :end:
 
-#+end_:out:
-#+begin_src
-
   6. confirm channel response says the job was submitted to backend
   7. confirm requester receives DM updates for accepted/running/completed or failed
+    :out:
+     accepted job 4ef6fde5-57cc-478c-b0e2-18458c693fa4 for https://www.youtube.com/watch?v=dQw4w9WgXcQ
+state=running | phase=running | [youtube] dQw4w9WgXcQ: Downloading webpage | path=/home/user/proj/youdis/downloads
+state=running | phase=downloading | [download] Destination: /home/user/proj/youdis/downloads/Rick_Astley/NA/NANARickAstley-_Never_Gonna_Give_You_Up_Official_Video_4K_Remaster.f401.mp4 | path=/home/user/proj/youdis/downloads/Rick_Astley/NA/NANARickAstley-_Never_Gonna_Give_You_Up_Official_Video_4K_Remaster.f401.mp4
+state=completed | [Metadata] There isn't any metadata to add | path=/home/user/proj/youdis/downloads/Rick_Astley/NA/NANARickAstley-_Never_Gonna_Give_You_Up_Official_Video_4K_Remaster.mp4
+:end:
   8. while first job is active, submit another `/youtube` and confirm busy behavior
+    :out:
+    #+begin_src shell
+    Error: AttributeError
+Traceback (most recent call last):
+  File "/home/user/proj/youdis/venv/lib/python3.10/site-packages/interactions/client/client.py", line 1900, in __dispatch_interaction
+    response = await callback
+  File "/home/user/proj/youdis/venv/lib/python3.10/site-packages/interactions/client/client.py", line 1771, in _run_slash_command
+    return await command(ctx, **ctx.kwargs)
+  File "/home/user/proj/youdis/venv/lib/python3.10/site-packages/interactions/models/internal/command.py", line 132, in __call__
+    await self.call_callback(self.callback, context)
+  File "/home/user/proj/youdis/venv/lib/python3.10/site-packages/interactions/models/internal/application_commands.py", line 833, in call_callback
+    return await self.call_with_binding(callback, ctx, *new_args, **new_kwargs)
+  File "/home/user/proj/youdis/venv/lib/python3.10/site-packages/interactions/models/internal/callback.py", line 43, in call_with_binding
+    return await callback(*args, **kwargs)
+  File "/home/user/proj/youdis/youdis/adapters/discord.py", line 167, in youtube
+    await ctx.channel.send(f"Submitted <{url}> to the backend. Status updates via DM.")
+AttributeError: 'NoneType' object has no attribute 'send'
+   #+end_src
+    busy: busy with https://youtu.be/20HxMMSqRyg?si=3v7mN2L88c_FxpQR
+state=running | phase=running | cancel requested | path=/home/user/proj/youdis/downloads/James_Hoffmann/NA/NANAThe_Beginner_s_Guide_To_Latte_Art.f401.mp4
+    :end:
   9. run `/status` and confirm it reflects current or last backend job
+    :out:
+     last job: state=completed | [Metadata] There isn't any metadata to add | path=/home/user/proj/youdis/downloads/Rick_Astley/NA/NANARickAstley-_Never_Gonna_Give_You_Up_Official_Video_4K_Remaster.mp4
+     :end:
   10. run `/interrupt` as owner and confirm cancellation is surfaced via DM
-- datetime:
+    :out:
+    last job: state=cancelled | cancelled | path=/home/user/proj/youdis/downloads/James_Hoffmann/NA/NANAThe_Beginner_s_Guide_To_Latte_Art.f401.mp4
+    :end:
+- datetime:[2026-04-02 Thu 11:52]
 
-*** testing tests
+*** org-block tests
 #+begin_src shell :dir ~/proj/youdis :results output verbatim
   source ./venv/bin/activate
   python3 -m uvicorn youdis.main:app --host 127.0.0.1 --port 8000
@@ -177,7 +207,7 @@ python ./youdis.py
 - progress updates are currently implemented by polling `/jobs/current` and DMing only when the summary changes
 - legacy auth/user-management commands were removed from the active adapter path and should be cleaned up formally in `2.0.3`
 - `.env` is now supported for local/dev convenience, while real environment variables still override it in prod/docker
-
+- submitting via DM doesn't work
 * [ ] 2.0.3: remove deprecated discord-bot functionality (2)
 delete or retire legacy bot behaviors that no longer fit once the backend split is in place
 ** pm notes

youdis/adapters/discord.py

@@ -64,6 +64,13 @@ async def dm(ctx: interactions.SlashContext, message: str) -> None:
     await ctx.author.send(message)
 
 
+async def respond(ctx: interactions.SlashContext, message: str) -> None:
+    if ctx.channel is not None:
+        await ctx.channel.send(message)
+        return
+    await dm(ctx, message)
+
+
 async def poll_job_updates(ctx: interactions.SlashContext, job_id: str) -> None:
     last_sent = None
     try:
@@ -105,14 +112,18 @@ def ensure_poll_task(ctx: interactions.SlashContext, job_id: str) -> None:
         return
     poll_tasks[job_id] = asyncio.create_task(poll_job_updates(ctx, job_id))
 
-
-@interactions.listen()
+@bot.listen()
 async def on_startup():
     await get_session()
     print(f"discord adapter configured for backend {BACKEND_URL}")
+    print(f"discord adapter default scope: {DEFAULT_SCOPE}")
+    print(f"discord adapter command cache keys: {sorted(bot._interaction_lookup.keys())}")
 
+@bot.listen()
+async def on_ready():
+    print(f"registered commands: {bot.application_commands}")
 
-@interactions.listen()
+@bot.listen()
 async def on_shutdown():
     global http_session
     for task in list(poll_tasks.values()):
@@ -151,16 +162,16 @@ async def youtube(ctx: interactions.SlashContext, url: str):
     state = job.get("state")
     job_id = job.get("job_id", "unknown")
     if state == "busy":
-        await ctx.channel.send(f"Backend is busy with another job. Details via DM.")
+        await respond(ctx, "Backend is busy with another job. Details via DM.")
         await dm(ctx, f"busy: {job.get('message')}")
         return
 
     if state != "accepted":
-        await ctx.channel.send("Backend rejected the request. Details via DM.")
+        await respond(ctx, "Backend rejected the request. Details via DM.")
         await dm(ctx, format_status_message(job))
         return
 
-    await ctx.channel.send(f"Submitted <{url}> to the backend. Status updates via DM.")
+    await respond(ctx, f"Submitted <{url}> to the backend. Status updates via DM.")
     await dm(ctx, f"accepted job {job_id} for <{url}>")
     ensure_poll_task(ctx, job_id)
 
@@ -211,4 +222,7 @@ def main() -> None:
     api_token = getenv("DISCORD_BOT_TOKEN")
     if not api_token:
         raise ValueError("API token not set. Retrieve from your Discord bot.")
+    bot.add_command(youtube)
+    bot.add_command(status)
+    bot.add_command(interrupt)
     bot.start(api_token)