chore(main): release 0.32.2 (#842)

Set duration early in get_participants from Daily API (seconds -> ms),
ensuring post_zulip has the value before mixdown_tracks completes.

Removes redundant duration update from mixdown_tracks.

Co-authored-by: Igor Loskutov <igor.loskutoff@gmail.com>

.gitignore

@@ -1,5 +1,6 @@
 .DS_Store
 server/.env
+server/.env.production
 .env
 Caddyfile
 server/exportdanswer

CHANGELOG.md

@@ -1,5 +1,36 @@
 # Changelog
 
+## [0.32.2](https://github.com/Monadical-SAS/reflector/compare/v0.32.1...v0.32.2) (2026-02-03)
+
+
+### Bug Fixes
+
+* increase TIMEOUT_MEDIUM from 2m to 5m for LLM tasks ([#843](https://github.com/Monadical-SAS/reflector/issues/843)) ([4acde4b](https://github.com/Monadical-SAS/reflector/commit/4acde4b7fdef88cc02ca12cf38c9020b05ed96ac))
+* make caddy optional ([#841](https://github.com/Monadical-SAS/reflector/issues/841)) ([a2ed7d6](https://github.com/Monadical-SAS/reflector/commit/a2ed7d60d557b551a5b64e4dfd909b63a791d9fc))
+* use Daily API recording.duration as master source for transcript duration ([#844](https://github.com/Monadical-SAS/reflector/issues/844)) ([8707c66](https://github.com/Monadical-SAS/reflector/commit/8707c6694a80c939b6214bbc13331741f192e082))
+
+## [0.32.1](https://github.com/Monadical-SAS/reflector/compare/v0.32.0...v0.32.1) (2026-01-30)
+
+
+### Bug Fixes
+
+* daily multitrack pipeline finalze dependency fix ([23eb137](https://github.com/Monadical-SAS/reflector/commit/23eb1371cb9348c4b81eb12ad506b582f8a4799e))
+* match httpx pad with hatchet audio timeout ([c05d1f0](https://github.com/Monadical-SAS/reflector/commit/c05d1f03cd8369fc06efd455527e50246887efd0))
+
+## [0.32.0](https://github.com/Monadical-SAS/reflector/compare/v0.31.0...v0.32.0) (2026-01-30)
+
+
+### Features
+
+* modal padding ([#837](https://github.com/Monadical-SAS/reflector/issues/837)) ([7fde64e](https://github.com/Monadical-SAS/reflector/commit/7fde64e2529a1d37b0f7507c62d983a7bd0b5b89))
+
+## [0.31.0](https://github.com/Monadical-SAS/reflector/compare/v0.30.0...v0.31.0) (2026-01-23)
+
+
+### Features
+
+* mixdown optional ([#834](https://github.com/Monadical-SAS/reflector/issues/834)) ([fc3ef6c](https://github.com/Monadical-SAS/reflector/commit/fc3ef6c8933231c731fad84e7477a476a6220a5e))
+
 ## [0.30.0](https://github.com/Monadical-SAS/reflector/compare/v0.29.0...v0.30.0) (2026-01-23)
 
 

Caddyfile.example

@@ -1,6 +1,8 @@
-# Reflector Caddyfile
+# Reflector Caddyfile (optional reverse proxy)
-# Replace example.com with your actual domains
+# Use this only when you run Caddy via: docker compose -f docker-compose.prod.yml --profile caddy up -d
-# CORS is handled by the backend - Caddy just proxies
+# If Coolify, Traefik, or nginx already use ports 80/443, do NOT start Caddy; point your proxy at web:3000 and server:1250.
+#
+# Replace example.com with your actual domains. CORS is handled by the backend - Caddy just proxies.
 #
 # For environment variable substitution, set:
 #   FRONTEND_DOMAIN=app.example.com

docker-compose.prod.yml

@@ -1,9 +1,14 @@
 # Production Docker Compose configuration
 # Usage: docker compose -f docker-compose.prod.yml up -d
 #
+# Caddy (reverse proxy on ports 80/443) is OPTIONAL and behind the "caddy" profile:
+# - With Caddy (self-hosted, you manage SSL): docker compose -f docker-compose.prod.yml --profile caddy up -d
+# - Without Caddy (Coolify/Traefik/nginx already on 80/443): docker compose -f docker-compose.prod.yml up -d
+#   Then point your proxy at web:3000 (frontend) and server:1250 (API).
+#
 # Prerequisites:
 # 1. Copy .env.example to .env and configure for both server/ and www/
-# 2. Copy Caddyfile.example to Caddyfile and edit with your domains
+# 2. If using Caddy: copy Caddyfile.example to Caddyfile and edit your domains
 # 3. Deploy Modal GPU functions (see gpu/modal_deployments/deploy-all.sh)
 
 services:
@@ -84,6 +89,8 @@ services:
       retries: 3
 
   caddy:
+    profiles:
+      - caddy
     image: caddy:2-alpine
     restart: unless-stopped
     ports:

docs/docs/installation/docker-setup.md

@@ -11,15 +11,15 @@ This page documents the Docker Compose configuration for Reflector. For the comp
 
 The `docker-compose.prod.yml` includes these services:
 
-| Service | Image | Purpose |
+| Service    | Image                             | Purpose                                                                     |
-|---------|-------|---------|
+| ---------- | --------------------------------- | --------------------------------------------------------------------------- |
-| `web` | `monadicalsas/reflector-frontend` | Next.js frontend |
+| `web`      | `monadicalsas/reflector-frontend` | Next.js frontend                                                            |
-| `server` | `monadicalsas/reflector-backend` | FastAPI backend |
+| `server`   | `monadicalsas/reflector-backend`  | FastAPI backend                                                             |
-| `worker` | `monadicalsas/reflector-backend` | Celery worker for background tasks |
+| `worker`   | `monadicalsas/reflector-backend`  | Celery worker for background tasks                                          |
-| `beat` | `monadicalsas/reflector-backend` | Celery beat scheduler |
+| `beat`     | `monadicalsas/reflector-backend`  | Celery beat scheduler                                                       |
-| `redis` | `redis:7.2-alpine` | Message broker and cache |
+| `redis`    | `redis:7.2-alpine`                | Message broker and cache                                                    |
-| `postgres` | `postgres:17-alpine` | Primary database |
+| `postgres` | `postgres:17-alpine`              | Primary database                                                            |
-| `caddy` | `caddy:2-alpine` | Reverse proxy with auto-SSL |
+| `caddy`    | `caddy:2-alpine`                  | Reverse proxy with auto-SSL (optional; see [Caddy profile](#caddy-profile)) |
 
 ## Environment Files
 
@@ -30,6 +30,7 @@ Reflector uses two separate environment files:
 Used by: `server`, `worker`, `beat`
 
 Key variables:
+
 ```env
 # Database connection
 DATABASE_URL=postgresql+asyncpg://reflector:reflector@postgres:5432/reflector
@@ -54,6 +55,7 @@ TRANSCRIPT_MODAL_API_KEY=...
 Used by: `web`
 
 Key variables:
+
 ```env
 # Domain configuration
 SITE_URL=https://app.example.com
@@ -70,26 +72,42 @@ Note: `API_URL` is used client-side (browser), `SERVER_API_URL` is used server-s
 
 ## Volumes
 
-| Volume | Purpose |
+| Volume          | Purpose                       |
-|--------|---------|
+| --------------- | ----------------------------- |
-| `redis_data` | Redis persistence |
+| `redis_data`    | Redis persistence             |
-| `postgres_data` | PostgreSQL data |
+| `postgres_data` | PostgreSQL data               |
-| `server_data` | Uploaded files, local storage |
+| `server_data`   | Uploaded files, local storage |
-| `caddy_data` | SSL certificates |
+| `caddy_data`    | SSL certificates              |
-| `caddy_config` | Caddy configuration |
+| `caddy_config`  | Caddy configuration           |
 
 ## Network
 
 All services share the default network. The network is marked `attachable: true` to allow external containers (like Authentik) to join.
 
+## Caddy profile
+
+Caddy (ports 80 and 443) is **optional** and behind the `caddy` profile so it does not conflict with an existing reverse proxy (e.g. Coolify, Traefik, nginx).
+
+- **With Caddy** (you want Reflector to handle SSL):
+  `docker compose -f docker-compose.prod.yml --profile caddy up -d`
+- **Without Caddy** (Coolify or another proxy already on 80/443):
+  `docker compose -f docker-compose.prod.yml up -d`
+  Then configure your proxy to send traffic to `web:3000` (frontend) and `server:1250` (API).
+
 ## Common Commands
 
 ### Start all services
+
 ```bash
+# Without Caddy (e.g. when using Coolify)
 docker compose -f docker-compose.prod.yml up -d
+
+# With Caddy as reverse proxy
+docker compose -f docker-compose.prod.yml --profile caddy up -d
 ```
 
 ### View logs
+
 ```bash
 # All services
 docker compose -f docker-compose.prod.yml logs -f
@@ -99,6 +117,7 @@ docker compose -f docker-compose.prod.yml logs server --tail 50
 ```
 
 ### Restart a service
+
 ```bash
 # Quick restart (doesn't reload .env changes)
 docker compose -f docker-compose.prod.yml restart server
@@ -108,27 +127,32 @@ docker compose -f docker-compose.prod.yml up -d server
 ```
 
 ### Run database migrations
+
 ```bash
 docker compose -f docker-compose.prod.yml exec server uv run alembic upgrade head
 ```
 
 ### Access database
+
 ```bash
 docker compose -f docker-compose.prod.yml exec postgres psql -U reflector
 ```
 
 ### Pull latest images
+
 ```bash
 docker compose -f docker-compose.prod.yml pull
 docker compose -f docker-compose.prod.yml up -d
 ```
 
 ### Stop all services
+
 ```bash
 docker compose -f docker-compose.prod.yml down
 ```
 
 ### Full reset (WARNING: deletes data)
+
 ```bash
 docker compose -f docker-compose.prod.yml down -v
 ```
@@ -187,6 +211,7 @@ The Caddyfile supports environment variable substitution:
 Set `FRONTEND_DOMAIN` and `API_DOMAIN` environment variables, or edit the file directly.
 
 ### Reload Caddy after changes
+
 ```bash
 docker compose -f docker-compose.prod.yml exec caddy caddy reload --config /etc/caddy/Caddyfile
 ```

docs/docs/installation/overview.md

@@ -26,7 +26,7 @@ flowchart LR
 
 Before starting, you need:
 
-- **Production server** -  4+ cores, 8GB+ RAM, public IP
+- **Production server** - 4+ cores, 8GB+ RAM, public IP
 - **Two domain names** - e.g., `app.example.com` (frontend) and `api.example.com` (backend)
 - **GPU processing** - Choose one:
   - Modal.com account, OR
@@ -60,16 +60,17 @@ Type: A    Name: api    Value: <your-server-ip>
 
 Reflector requires GPU processing for transcription and speaker diarization. Choose one option:
 
-| | **Modal.com (Cloud)** | **Self-Hosted GPU** |
+|              | **Modal.com (Cloud)**             | **Self-Hosted GPU**          |
-|---|---|---|
+| ------------ | --------------------------------- | ---------------------------- |
 | **Best for** | No GPU hardware, zero maintenance | Own GPU server, full control |
-| **Pricing** | Pay-per-use | Fixed infrastructure cost |
+| **Pricing**  | Pay-per-use                       | Fixed infrastructure cost    |
 
 ### Option A: Modal.com (Serverless Cloud GPU)
 
 #### Accept HuggingFace Licenses
 
 Visit both pages and click "Accept":
+
 - https://huggingface.co/pyannote/speaker-diarization-3.1
 - https://huggingface.co/pyannote/segmentation-3.0
 
@@ -179,6 +180,7 @@ Save these credentials - you'll need them in the next step.
 ## Configure Environment
 
 Reflector has two env files:
+
 - `server/.env` - Backend configuration
 - `www/.env` - Frontend configuration
 
@@ -190,6 +192,7 @@ nano server/.env
 ```
 
 **Required settings:**
+
 ```env
 # Database (defaults work with docker-compose.prod.yml)
 DATABASE_URL=postgresql+asyncpg://reflector:reflector@postgres:5432/reflector
@@ -249,6 +252,7 @@ nano www/.env
 ```
 
 **Required settings:**
+
 ```env
 # Your domains
 SITE_URL=https://app.example.com
@@ -266,7 +270,11 @@ FEATURE_REQUIRE_LOGIN=false
 
 ---
 
-## Configure Caddy
+## Reverse proxy (Caddy or existing)
+
+**If Coolify, Traefik, or nginx already use ports 80/443** (e.g. Coolify on your host): skip Caddy. Start the stack without the Caddy profile (see [Start Services](#start-services) below), then point your proxy at `web:3000` (frontend) and `server:1250` (API).
+
+**If you want Reflector to provide the reverse proxy and SSL:**
 
 ```bash
 cp Caddyfile.example Caddyfile
@@ -289,10 +297,18 @@ Replace `example.com` with your domains. The `{$VAR:default}` syntax uses Caddy'
 
 ## Start Services
 
+**Without Caddy** (e.g. Coolify already on 80/443):
+
 ```bash
 docker compose -f docker-compose.prod.yml up -d
 ```
 
+**With Caddy** (Reflector handles SSL):
+
+```bash
+docker compose -f docker-compose.prod.yml --profile caddy up -d
+```
+
 Wait for containers to start (first run may take 1-2 minutes to pull images and initialize).
 
 ---
@@ -300,18 +316,21 @@ Wait for containers to start (first run may take 1-2 minutes to pull images and
 ## Verify Deployment
 
 ### Check services
+
 ```bash
 docker compose -f docker-compose.prod.yml ps
 # All should show "Up"
 ```
 
 ### Test API
+
 ```bash
 curl https://api.example.com/health
 # Should return: {"status":"healthy"}
 ```
 
 ### Test Frontend
+
 - Visit https://app.example.com
 - You should see the Reflector interface
 - Try uploading an audio file to test transcription
@@ -327,6 +346,7 @@ By default, Reflector is open (no login required). **Authentication is required
 See [Authentication Setup](./auth-setup) for full Authentik OAuth configuration.
 
 Quick summary:
+
 1. Deploy Authentik on your server
 2. Create OAuth provider in Authentik
 3. Extract public key for JWT verification
@@ -358,6 +378,7 @@ DAILYCO_STORAGE_AWS_ROLE_ARN=<arn:aws:iam::ACCOUNT:role/DailyCo>
 ```
 
 Reload env and restart:
+
 ```bash
 docker compose -f docker-compose.prod.yml up -d server worker
 ```
@@ -367,35 +388,43 @@ docker compose -f docker-compose.prod.yml up -d server worker
 ## Troubleshooting
 
 ### Check logs for errors
+
 ```bash
 docker compose -f docker-compose.prod.yml logs server --tail 20
 docker compose -f docker-compose.prod.yml logs worker --tail 20
 ```
 
 ### Services won't start
+
 ```bash
 docker compose -f docker-compose.prod.yml logs
 ```
 
 ### CORS errors in browser
+
 - Verify `CORS_ORIGIN` in `server/.env` matches your frontend domain exactly (including `https://`)
 - Reload env: `docker compose -f docker-compose.prod.yml up -d server`
 
-### SSL certificate errors
+### SSL certificate errors (when using Caddy)
+
 - Caddy auto-provisions Let's Encrypt certificates
-- Ensure ports 80 and 443 are open
+- Ensure ports 80 and 443 are open and not used by another proxy
 - Check: `docker compose -f docker-compose.prod.yml logs caddy`
+- If port 80 is already in use (e.g. by Coolify), run without Caddy: `docker compose -f docker-compose.prod.yml up -d` and use your existing proxy
 
 ### Transcription not working
+
 - Check Modal dashboard: https://modal.com/apps
 - Verify URLs in `server/.env` match deployed functions
 - Check worker logs: `docker compose -f docker-compose.prod.yml logs worker`
 
 ### "Login required" but auth not configured
+
 - Set `FEATURE_REQUIRE_LOGIN=false` in `www/.env`
 - Rebuild frontend: `docker compose -f docker-compose.prod.yml up -d --force-recreate web`
 
 ### Database migrations or connectivity issues
+
 Migrations run automatically on server startup. To check database connectivity or debug migration failures:
 
 ```bash
@@ -408,4 +437,3 @@ docker compose -f docker-compose.prod.yml exec server uv run python -c "from ref
 # Manually run migrations (if needed)
 docker compose -f docker-compose.prod.yml exec server uv run alembic upgrade head
 ```
-

gpu/modal_deployments/deploy-all.sh

@@ -131,6 +131,15 @@ if [ -z "$DIARIZER_URL" ]; then
 fi
 echo "  -> $DIARIZER_URL"
 
+echo ""
+echo "Deploying padding (CPU audio processing via Modal SDK)..."
+modal deploy reflector_padding.py
+if [ $? -ne 0 ]; then
+    echo "Error: Failed to deploy padding. Check Modal dashboard for details."
+    exit 1
+fi
+echo "  -> reflector-padding.pad_track (Modal SDK function)"
+
 # --- Output Configuration ---
 echo ""
 echo "=========================================="
@@ -147,4 +156,6 @@ echo ""
 echo "DIARIZATION_BACKEND=modal"
 echo "DIARIZATION_URL=$DIARIZER_URL"
 echo "DIARIZATION_MODAL_API_KEY=$API_KEY"
+echo ""
+echo "# Padding uses Modal SDK (requires MODAL_TOKEN_ID/SECRET in worker containers)"
 echo "# --- End Modal Configuration ---"

gpu/modal_deployments/reflector_padding.py

@@ -0,0 +1,277 @@
+"""
+Reflector GPU backend - audio padding
+======================================
+
+CPU-intensive audio padding service for adding silence to audio tracks.
+Uses PyAV filter graph (adelay) for precise track synchronization.
+
+IMPORTANT: This padding logic is duplicated from server/reflector/utils/audio_padding.py
+for Modal deployment isolation (Modal can't import from server/reflector/). If you modify
+the PyAV filter graph or padding algorithm, you MUST update both:
+  - gpu/modal_deployments/reflector_padding.py (this file)
+  - server/reflector/utils/audio_padding.py
+
+Constants duplicated from server/reflector/utils/audio_constants.py for same reason.
+"""
+
+import os
+import tempfile
+from fractions import Fraction
+import math
+import asyncio
+
+import modal
+
+S3_TIMEOUT = 60 # happens 2 times
+PADDING_TIMEOUT = 600 + (S3_TIMEOUT * 2)
+SCALEDOWN_WINDOW = 60  # The maximum duration (in seconds) that individual containers can remain idle when scaling down.
+DISCONNECT_CHECK_INTERVAL = 2  # Check for client disconnect
+
+
+app = modal.App("reflector-padding")
+
+# CPU-based image
+image = (
+    modal.Image.debian_slim(python_version="3.12")
+    .apt_install("ffmpeg")  # Required by PyAV
+    .pip_install(
+        "av==13.1.0",  # PyAV for audio processing
+        "requests==2.32.3",  # HTTP for presigned URL downloads/uploads
+        "fastapi==0.115.12",  # API framework
+    )
+)
+
+# ref B0F71CE8-FC59-4AA5-8414-DAFB836DB711
+OPUS_STANDARD_SAMPLE_RATE = 48000
+# ref B0F71CE8-FC59-4AA5-8414-DAFB836DB711
+OPUS_DEFAULT_BIT_RATE = 128000
+
+
+@app.function(
+    cpu=2.0,
+    timeout=PADDING_TIMEOUT,
+    scaledown_window=SCALEDOWN_WINDOW,
+    image=image,
+)
+@modal.asgi_app()
+def web():
+    from fastapi import FastAPI, Request, HTTPException
+    from pydantic import BaseModel
+
+    class PaddingRequest(BaseModel):
+        track_url: str
+        output_url: str
+        start_time_seconds: float
+        track_index: int
+
+    class PaddingResponse(BaseModel):
+        size: int
+        cancelled: bool = False
+
+    web_app = FastAPI()
+
+    @web_app.post("/pad")
+    async def pad_track_endpoint(request: Request, req: PaddingRequest) -> PaddingResponse:
+        """Modal web endpoint for padding audio tracks with disconnect detection.
+        """
+        import logging
+
+        logging.basicConfig(level=logging.INFO, format="%(asctime)s - %(levelname)s - %(message)s")
+        logger = logging.getLogger(__name__)
+
+        if not req.track_url:
+            raise HTTPException(status_code=400, detail="track_url cannot be empty")
+        if not req.output_url:
+            raise HTTPException(status_code=400, detail="output_url cannot be empty")
+        if req.start_time_seconds <= 0:
+            raise HTTPException(status_code=400, detail=f"start_time_seconds must be positive, got {req.start_time_seconds}")
+        if req.start_time_seconds > 18000:
+            raise HTTPException(status_code=400, detail=f"start_time_seconds exceeds maximum 18000s (5 hours)")
+
+        logger.info(f"Padding request: track {req.track_index}, delay={req.start_time_seconds}s")
+
+        # Thread-safe cancellation flag shared between async disconnect checker and blocking thread
+        import threading
+        cancelled = threading.Event()
+
+        async def check_disconnect():
+            """Background task to check for client disconnect every 2 seconds."""
+            while not cancelled.is_set():
+                await asyncio.sleep(DISCONNECT_CHECK_INTERVAL)
+                if await request.is_disconnected():
+                    logger.warning("Client disconnected, setting cancellation flag")
+                    cancelled.set()
+                    break
+
+        # Start disconnect checker in background
+        disconnect_task = asyncio.create_task(check_disconnect())
+
+        try:
+            result = await asyncio.get_event_loop().run_in_executor(
+                None, _pad_track_blocking, req, cancelled, logger
+            )
+            return PaddingResponse(**result)
+        finally:
+            cancelled.set()
+            disconnect_task.cancel()
+            try:
+                await disconnect_task
+            except asyncio.CancelledError:
+                pass
+
+    def _pad_track_blocking(req, cancelled, logger) -> dict:
+        """Blocking CPU-bound padding work with periodic cancellation checks.
+
+        Args:
+            cancelled: threading.Event for thread-safe cancellation signaling
+        """
+        import av
+        import requests
+        from av.audio.resampler import AudioResampler
+        import time
+
+        temp_dir = tempfile.mkdtemp()
+        input_path = None
+        output_path = None
+        last_check = time.time()
+
+        try:
+            logger.info("Downloading track for padding")
+            response = requests.get(req.track_url, stream=True, timeout=S3_TIMEOUT)
+            response.raise_for_status()
+
+            input_path = os.path.join(temp_dir, "track.webm")
+            total_bytes = 0
+            chunk_count = 0
+            with open(input_path, "wb") as f:
+                for chunk in response.iter_content(chunk_size=8192):
+                    if chunk:
+                        f.write(chunk)
+                        total_bytes += len(chunk)
+                        chunk_count += 1
+
+                        # Check for cancellation every arbitrary amount of chunks
+                        if chunk_count % 12 == 0:
+                            now = time.time()
+                            if now - last_check >= DISCONNECT_CHECK_INTERVAL:
+                                if cancelled.is_set():
+                                    logger.info("Cancelled during download, exiting early")
+                                    return {"size": 0, "cancelled": True}
+                                last_check = now
+            logger.info(f"Track downloaded: {total_bytes} bytes")
+
+            if cancelled.is_set():
+                logger.info("Cancelled after download, exiting early")
+                return {"size": 0, "cancelled": True}
+
+            # Apply padding using PyAV
+            output_path = os.path.join(temp_dir, "padded.webm")
+            delay_ms = math.floor(req.start_time_seconds * 1000)
+            logger.info(f"Padding track {req.track_index} with {delay_ms}ms delay using PyAV")
+
+            in_container = av.open(input_path)
+            in_stream = next((s for s in in_container.streams if s.type == "audio"), None)
+            if in_stream is None:
+                raise ValueError("No audio stream in input")
+
+            with av.open(output_path, "w", format="webm") as out_container:
+                out_stream = out_container.add_stream("libopus", rate=OPUS_STANDARD_SAMPLE_RATE)
+                out_stream.bit_rate = OPUS_DEFAULT_BIT_RATE
+                graph = av.filter.Graph()
+
+                abuf_args = (
+                    f"time_base=1/{OPUS_STANDARD_SAMPLE_RATE}:"
+                    f"sample_rate={OPUS_STANDARD_SAMPLE_RATE}:"
+                    f"sample_fmt=s16:"
+                    f"channel_layout=stereo"
+                )
+                src = graph.add("abuffer", args=abuf_args, name="src")
+                aresample_f = graph.add("aresample", args="async=1", name="ares")
+                delays_arg = f"{delay_ms}|{delay_ms}"
+                adelay_f = graph.add("adelay", args=f"delays={delays_arg}:all=1", name="delay")
+                sink = graph.add("abuffersink", name="sink")
+
+                src.link_to(aresample_f)
+                aresample_f.link_to(adelay_f)
+                adelay_f.link_to(sink)
+                graph.configure()
+
+                resampler = AudioResampler(
+                    format="s16", layout="stereo", rate=OPUS_STANDARD_SAMPLE_RATE
+                )
+
+                for frame in in_container.decode(in_stream):
+                    # Check for cancellation periodically
+                    now = time.time()
+                    if now - last_check >= DISCONNECT_CHECK_INTERVAL:
+                        if cancelled.is_set():
+                            logger.info("Cancelled during processing, exiting early")
+                            in_container.close()
+                            return {"size": 0, "cancelled": True}
+                        last_check = now
+
+                    out_frames = resampler.resample(frame) or []
+                    for rframe in out_frames:
+                        rframe.sample_rate = OPUS_STANDARD_SAMPLE_RATE
+                        rframe.time_base = Fraction(1, OPUS_STANDARD_SAMPLE_RATE)
+                        src.push(rframe)
+
+                        while True:
+                            try:
+                                f_out = sink.pull()
+                            except Exception:
+                                break
+                            f_out.sample_rate = OPUS_STANDARD_SAMPLE_RATE
+                            f_out.time_base = Fraction(1, OPUS_STANDARD_SAMPLE_RATE)
+                            for packet in out_stream.encode(f_out):
+                                out_container.mux(packet)
+
+                # Flush filter graph
+                src.push(None)
+                while True:
+                    try:
+                        f_out = sink.pull()
+                    except Exception:
+                        break
+                    f_out.sample_rate = OPUS_STANDARD_SAMPLE_RATE
+                    f_out.time_base = Fraction(1, OPUS_STANDARD_SAMPLE_RATE)
+                    for packet in out_stream.encode(f_out):
+                        out_container.mux(packet)
+
+                # Flush encoder
+                for packet in out_stream.encode(None):
+                    out_container.mux(packet)
+
+            in_container.close()
+
+            file_size = os.path.getsize(output_path)
+            logger.info(f"Padding complete: {file_size} bytes")
+
+            logger.info("Uploading padded track to S3")
+
+            with open(output_path, "rb") as f:
+                upload_response = requests.put(req.output_url, data=f, timeout=S3_TIMEOUT)
+
+            upload_response.raise_for_status()
+            logger.info(f"Upload complete: {file_size} bytes")
+
+            return {"size": file_size}
+
+        finally:
+            if input_path and os.path.exists(input_path):
+                try:
+                    os.unlink(input_path)
+                except Exception as e:
+                    logger.warning(f"Failed to cleanup input file: {e}")
+            if output_path and os.path.exists(output_path):
+                try:
+                    os.unlink(output_path)
+                except Exception as e:
+                    logger.warning(f"Failed to cleanup output file: {e}")
+            try:
+                os.rmdir(temp_dir)
+            except Exception as e:
+                logger.warning(f"Failed to cleanup temp directory: {e}")
+
+    return web_app
+

server/pyproject.toml

@@ -8,7 +8,7 @@ readme = "README.md"
 dependencies = [
     "aiohttp>=3.9.0",
     "aiohttp-cors>=0.7.0",
-    "av>=10.0.0",
+    "av>=15.0.0",
     "requests>=2.31.0",
     "aiortc>=1.5.0",
     "sortedcontainers>=2.4.0",

server/reflector/hatchet/constants.py

@@ -35,7 +35,9 @@ LLM_RATE_LIMIT_PER_SECOND = 10
 
 # Task execution timeouts (seconds)
 TIMEOUT_SHORT = 60  # Quick operations: API calls, DB updates
-TIMEOUT_MEDIUM = 120  # Single LLM calls, waveform generation
+TIMEOUT_MEDIUM = (
+    300  # Single LLM calls, waveform generation (5m for slow LLM responses)
+)
 TIMEOUT_LONG = 180  # Action items (larger context LLM)
-TIMEOUT_AUDIO = 300  # Audio processing: padding, mixdown
+TIMEOUT_AUDIO = 720  # Audio processing: padding, mixdown
 TIMEOUT_HEAVY = 600  # Transcription, fan-out LLM tasks

server/reflector/hatchet/workflows/daily_multitrack_pipeline.py

@@ -322,6 +322,7 @@ async def get_participants(input: PipelineInput, ctx: Context) -> ParticipantsRe
     mtg_session_id = recording.mtg_session_id
     async with fresh_db_connection():
         from reflector.db.transcripts import (  # noqa: PLC0415
+            TranscriptDuration,
             TranscriptParticipant,
             transcripts_controller,
         )
@@ -330,15 +331,26 @@ async def get_participants(input: PipelineInput, ctx: Context) -> ParticipantsRe
         if not transcript:
             raise ValueError(f"Transcript {input.transcript_id} not found")
         # Note: title NOT cleared - preserves existing titles
+        # Duration from Daily API (seconds -> milliseconds) - master source
+        duration_ms = recording.duration * 1000 if recording.duration else 0
         await transcripts_controller.update(
             transcript,
             {
                 "events": [],
                 "topics": [],
                 "participants": [],
+                "duration": duration_ms,
             },
         )
 
+        await append_event_and_broadcast(
+            input.transcript_id,
+            transcript,
+            "DURATION",
+            TranscriptDuration(duration=duration_ms),
+            logger=logger,
+        )
+
         mtg_session_id = assert_non_none_and_non_empty(
             mtg_session_id, "mtg_session_id is required"
         )
@@ -1095,7 +1107,7 @@ async def identify_action_items(
 
 
 @daily_multitrack_pipeline.task(
-    parents=[generate_waveform, generate_title, generate_recap, identify_action_items],
+    parents=[process_tracks, generate_title, generate_recap, identify_action_items],
     execution_timeout=timedelta(seconds=TIMEOUT_SHORT),
     retries=3,
 )
@@ -1108,12 +1120,8 @@ async def finalize(input: PipelineInput, ctx: Context) -> FinalizeResult:
     """
     ctx.log("finalize: saving transcript and setting status to 'ended'")
 
-    mixdown_result = ctx.task_output(mixdown_tracks)
     track_result = ctx.task_output(process_tracks)
 
-    duration = mixdown_result.duration
-    all_words = track_result.all_words
-
     # Cleanup temporary padded S3 files (deferred until finalize for semantic parity with Celery)
     created_padded_files = track_result.created_padded_files
     if created_padded_files:
@@ -1133,7 +1141,6 @@ async def finalize(input: PipelineInput, ctx: Context) -> FinalizeResult:
 
     async with fresh_db_connection():
         from reflector.db.transcripts import (  # noqa: PLC0415
-            TranscriptDuration,
             TranscriptText,
             transcripts_controller,
         )
@@ -1142,8 +1149,6 @@ async def finalize(input: PipelineInput, ctx: Context) -> FinalizeResult:
         if transcript is None:
             raise ValueError(f"Transcript {input.transcript_id} not found in database")
 
-        merged_transcript = TranscriptType(words=all_words, translation=None)
-
         await append_event_and_broadcast(
             input.transcript_id,
             transcript,
@@ -1155,21 +1160,15 @@ async def finalize(input: PipelineInput, ctx: Context) -> FinalizeResult:
             logger=logger,
         )
 
-        # Save duration and clear workflow_run_id (workflow completed successfully)
+        # Clear workflow_run_id (workflow completed successfully)
-        # Note: title/long_summary/short_summary already saved by their callbacks
+        # Note: title/long_summary/short_summary/duration already saved by their callbacks
         await transcripts_controller.update(
             transcript,
             {
-                "duration": duration,
                 "workflow_run_id": None,  # Clear on success - no need to resume
             },
         )
 
-        duration_data = TranscriptDuration(duration=duration)
-        await append_event_and_broadcast(
-            input.transcript_id, transcript, "DURATION", duration_data, logger=logger
-        )
-
         await set_status_and_broadcast(input.transcript_id, "ended", logger=logger)
 
         ctx.log(

server/reflector/hatchet/workflows/padding_workflow.py

@@ -0,0 +1,165 @@
+"""
+Hatchet child workflow: PaddingWorkflow
+Handles individual audio track padding via Modal.com backend.
+"""
+
+from datetime import timedelta
+
+import av
+from hatchet_sdk import Context
+from pydantic import BaseModel
+
+from reflector.hatchet.client import HatchetClientManager
+from reflector.hatchet.constants import TIMEOUT_AUDIO
+from reflector.hatchet.workflows.models import PadTrackResult
+from reflector.logger import logger
+from reflector.utils.audio_constants import PRESIGNED_URL_EXPIRATION_SECONDS
+from reflector.utils.audio_padding import extract_stream_start_time_from_container
+
+
+class PaddingInput(BaseModel):
+    """Input for individual track padding."""
+
+    track_index: int
+    s3_key: str
+    bucket_name: str
+    transcript_id: str
+
+
+hatchet = HatchetClientManager.get_client()
+
+padding_workflow = hatchet.workflow(
+    name="PaddingWorkflow", input_validator=PaddingInput
+)
+
+
+@padding_workflow.task(execution_timeout=timedelta(seconds=TIMEOUT_AUDIO), retries=3)
+async def pad_track(input: PaddingInput, ctx: Context) -> PadTrackResult:
+    """Pad audio track with silence based on WebM container start_time."""
+    ctx.log(f"pad_track: track {input.track_index}, s3_key={input.s3_key}")
+    logger.info(
+        "[Hatchet] pad_track",
+        track_index=input.track_index,
+        s3_key=input.s3_key,
+        transcript_id=input.transcript_id,
+    )
+
+    try:
+        # Create fresh storage instance to avoid aioboto3 fork issues
+        from reflector.settings import settings  # noqa: PLC0415
+        from reflector.storage.storage_aws import AwsStorage  # noqa: PLC0415
+
+        storage = AwsStorage(
+            aws_bucket_name=settings.TRANSCRIPT_STORAGE_AWS_BUCKET_NAME,
+            aws_region=settings.TRANSCRIPT_STORAGE_AWS_REGION,
+            aws_access_key_id=settings.TRANSCRIPT_STORAGE_AWS_ACCESS_KEY_ID,
+            aws_secret_access_key=settings.TRANSCRIPT_STORAGE_AWS_SECRET_ACCESS_KEY,
+        )
+
+        source_url = await storage.get_file_url(
+            input.s3_key,
+            operation="get_object",
+            expires_in=PRESIGNED_URL_EXPIRATION_SECONDS,
+            bucket=input.bucket_name,
+        )
+
+        # Extract start_time to determine if padding needed
+        with av.open(source_url) as in_container:
+            if in_container.duration:
+                try:
+                    duration = timedelta(seconds=in_container.duration // 1_000_000)
+                    ctx.log(
+                        f"pad_track: track {input.track_index}, duration={duration}"
+                    )
+                except (ValueError, TypeError, OverflowError) as e:
+                    ctx.log(
+                        f"pad_track: track {input.track_index}, duration error: {str(e)}"
+                    )
+
+            start_time_seconds = extract_stream_start_time_from_container(
+                in_container, input.track_index, logger=logger
+            )
+
+        if start_time_seconds <= 0:
+            logger.info(
+                f"Track {input.track_index} requires no padding",
+                track_index=input.track_index,
+            )
+            return PadTrackResult(
+                padded_key=input.s3_key,
+                bucket_name=input.bucket_name,
+                size=0,
+                track_index=input.track_index,
+            )
+
+        storage_path = f"file_pipeline_hatchet/{input.transcript_id}/tracks/padded_{input.track_index}.webm"
+
+        # Presign PUT URL for output (Modal will upload directly)
+        output_url = await storage.get_file_url(
+            storage_path,
+            operation="put_object",
+            expires_in=PRESIGNED_URL_EXPIRATION_SECONDS,
+        )
+
+        import httpx  # noqa: PLC0415
+
+        from reflector.processors.audio_padding_modal import (  # noqa: PLC0415
+            AudioPaddingModalProcessor,
+        )
+
+        try:
+            processor = AudioPaddingModalProcessor()
+            result = await processor.pad_track(
+                track_url=source_url,
+                output_url=output_url,
+                start_time_seconds=start_time_seconds,
+                track_index=input.track_index,
+            )
+            file_size = result.size
+
+            ctx.log(f"pad_track: Modal returned size={file_size}")
+        except httpx.HTTPStatusError as e:
+            error_detail = e.response.text if hasattr(e.response, "text") else str(e)
+            logger.error(
+                "[Hatchet] Modal padding HTTP error",
+                transcript_id=input.transcript_id,
+                track_index=input.track_index,
+                status_code=e.response.status_code if hasattr(e, "response") else None,
+                error=error_detail,
+                exc_info=True,
+            )
+            raise Exception(
+                f"Modal padding failed: HTTP {e.response.status_code}"
+            ) from e
+        except httpx.TimeoutException as e:
+            logger.error(
+                "[Hatchet] Modal padding timeout",
+                transcript_id=input.transcript_id,
+                track_index=input.track_index,
+                error=str(e),
+                exc_info=True,
+            )
+            raise Exception("Modal padding timeout") from e
+
+        logger.info(
+            "[Hatchet] pad_track complete",
+            track_index=input.track_index,
+            padded_key=storage_path,
+        )
+
+        return PadTrackResult(
+            padded_key=storage_path,
+            bucket_name=None,  # None = use default transcript storage bucket
+            size=file_size,
+            track_index=input.track_index,
+        )
+
+    except Exception as e:
+        logger.error(
+            "[Hatchet] pad_track failed",
+            transcript_id=input.transcript_id,
+            track_index=input.track_index,
+            error=str(e),
+            exc_info=True,
+        )
+        raise

server/reflector/hatchet/workflows/track_processing.py

@@ -14,9 +14,7 @@ Hatchet workers run in forked processes; fresh imports per task ensure
 storage/DB connections are not shared across forks.
 """
 
-import tempfile
 from datetime import timedelta
-from pathlib import Path
 
 import av
 from hatchet_sdk import Context
@@ -27,10 +25,7 @@ from reflector.hatchet.constants import TIMEOUT_AUDIO, TIMEOUT_HEAVY
 from reflector.hatchet.workflows.models import PadTrackResult, TranscribeTrackResult
 from reflector.logger import logger
 from reflector.utils.audio_constants import PRESIGNED_URL_EXPIRATION_SECONDS
-from reflector.utils.audio_padding import (
+from reflector.utils.audio_padding import extract_stream_start_time_from_container
-    apply_audio_padding_to_file,
-    extract_stream_start_time_from_container,
-)
 
 
 class TrackInput(BaseModel):
@@ -83,63 +78,44 @@ async def pad_track(input: TrackInput, ctx: Context) -> PadTrackResult:
         )
 
         with av.open(source_url) as in_container:
-            if in_container.duration:
-                try:
-                    duration = timedelta(seconds=in_container.duration // 1_000_000)
-                    ctx.log(
-                        f"pad_track: track {input.track_index}, duration={duration}"
-                    )
-                except Exception:
-                    ctx.log(f"pad_track: track {input.track_index}, duration=ERROR")
-
             start_time_seconds = extract_stream_start_time_from_container(
                 in_container, input.track_index, logger=logger
             )
 
-            # If no padding needed, return original S3 key
+        # If no padding needed, return original S3 key
-            if start_time_seconds <= 0:
+        if start_time_seconds <= 0:
-                logger.info(
+            logger.info(
-                    f"Track {input.track_index} requires no padding",
+                f"Track {input.track_index} requires no padding",
-                    track_index=input.track_index,
+                track_index=input.track_index,
-                )
+            )
-                return PadTrackResult(
+            return PadTrackResult(
-                    padded_key=input.s3_key,
+                padded_key=input.s3_key,
-                    bucket_name=input.bucket_name,
+                bucket_name=input.bucket_name,
-                    size=0,
+                size=0,
-                    track_index=input.track_index,
+                track_index=input.track_index,
-                )
+            )
 
-            with tempfile.NamedTemporaryFile(suffix=".webm", delete=False) as temp_file:
+        storage_path = f"file_pipeline_hatchet/{input.transcript_id}/tracks/padded_{input.track_index}.webm"
-                temp_path = temp_file.name
 
-            try:
+        # Presign PUT URL for output (Modal uploads directly)
-                apply_audio_padding_to_file(
+        output_url = await storage.get_file_url(
-                    in_container,
+            storage_path,
-                    temp_path,
+            operation="put_object",
-                    start_time_seconds,
+            expires_in=PRESIGNED_URL_EXPIRATION_SECONDS,
-                    input.track_index,
+        )
-                    logger=logger,
-                )
 
-                file_size = Path(temp_path).stat().st_size
+        from reflector.processors.audio_padding_modal import (  # noqa: PLC0415
-                storage_path = f"file_pipeline_hatchet/{input.transcript_id}/tracks/padded_{input.track_index}.webm"
+            AudioPaddingModalProcessor,
+        )
 
-                logger.info(
+        processor = AudioPaddingModalProcessor()
-                    f"About to upload padded track",
+        result = await processor.pad_track(
-                    key=storage_path,
+            track_url=source_url,
-                    size=file_size,
+            output_url=output_url,
-                )
+            start_time_seconds=start_time_seconds,
-
+            track_index=input.track_index,
-                with open(temp_path, "rb") as padded_file:
+        )
-                    await storage.put_file(storage_path, padded_file)
+        file_size = result.size
-
-                logger.info(
-                    f"Uploaded padded track to S3",
-                    key=storage_path,
-                    size=file_size,
-                )
-            finally:
-                Path(temp_path).unlink(missing_ok=True)
 
         ctx.log(f"pad_track complete: track {input.track_index} -> {storage_path}")
         logger.info(

server/reflector/processors/audio_padding_modal.py

@@ -0,0 +1,113 @@
+"""
+Modal.com backend for audio padding.
+"""
+
+import asyncio
+import os
+
+import httpx
+from pydantic import BaseModel
+
+from reflector.hatchet.constants import TIMEOUT_AUDIO
+from reflector.logger import logger
+
+
+class PaddingResponse(BaseModel):
+    size: int
+    cancelled: bool = False
+
+
+class AudioPaddingModalProcessor:
+    """Audio padding processor using Modal.com CPU backend via HTTP."""
+
+    def __init__(
+        self, padding_url: str | None = None, modal_api_key: str | None = None
+    ):
+        self.padding_url = padding_url or os.getenv("PADDING_URL")
+        if not self.padding_url:
+            raise ValueError(
+                "PADDING_URL required to use AudioPaddingModalProcessor. "
+                "Set PADDING_URL environment variable or pass padding_url parameter."
+            )
+
+        self.modal_api_key = modal_api_key or os.getenv("MODAL_API_KEY")
+
+    async def pad_track(
+        self,
+        track_url: str,
+        output_url: str,
+        start_time_seconds: float,
+        track_index: int,
+    ) -> PaddingResponse:
+        """Pad audio track with silence via Modal backend.
+
+        Args:
+            track_url: Presigned GET URL for source audio track
+            output_url: Presigned PUT URL for output WebM
+            start_time_seconds: Amount of silence to prepend
+            track_index: Track index for logging
+        """
+        if not track_url:
+            raise ValueError("track_url cannot be empty")
+        if start_time_seconds <= 0:
+            raise ValueError(
+                f"start_time_seconds must be positive, got {start_time_seconds}"
+            )
+
+        log = logger.bind(track_index=track_index, padding_seconds=start_time_seconds)
+        log.info("Sending Modal padding HTTP request")
+
+        url = f"{self.padding_url}/pad"
+
+        headers = {}
+        if self.modal_api_key:
+            headers["Authorization"] = f"Bearer {self.modal_api_key}"
+
+        try:
+            async with httpx.AsyncClient(timeout=TIMEOUT_AUDIO) as client:
+                response = await client.post(
+                    url,
+                    headers=headers,
+                    json={
+                        "track_url": track_url,
+                        "output_url": output_url,
+                        "start_time_seconds": start_time_seconds,
+                        "track_index": track_index,
+                    },
+                    follow_redirects=True,
+                )
+
+                if response.status_code != 200:
+                    error_body = response.text
+                    log.error(
+                        "Modal padding API error",
+                        status_code=response.status_code,
+                        error_body=error_body,
+                    )
+
+                response.raise_for_status()
+                result = response.json()
+
+            # Check if work was cancelled
+            if result.get("cancelled"):
+                log.warning("Modal padding was cancelled by disconnect detection")
+                raise asyncio.CancelledError(
+                    "Padding cancelled due to client disconnect"
+                )
+
+            log.info("Modal padding complete", size=result["size"])
+            return PaddingResponse(**result)
+        except asyncio.CancelledError:
+            log.warning(
+                "Modal padding cancelled (Hatchet timeout, disconnect detected on Modal side)"
+            )
+            raise
+        except httpx.TimeoutException as e:
+            log.error("Modal padding timeout", error=str(e), exc_info=True)
+            raise Exception(f"Modal padding timeout: {e}") from e
+        except httpx.HTTPStatusError as e:
+            log.error("Modal padding HTTP error", error=str(e), exc_info=True)
+            raise Exception(f"Modal padding HTTP error: {e}") from e
+        except Exception as e:
+            log.error("Modal padding unexpected error", error=str(e), exc_info=True)
+            raise

server/reflector/settings.py

@@ -98,6 +98,10 @@ class Settings(BaseSettings):
     # Diarization: local pyannote.audio
     DIARIZATION_PYANNOTE_AUTH_TOKEN: str | None = None
 
+    # Audio Padding (Modal.com backend)
+    PADDING_URL: str | None = None
+    PADDING_MODAL_API_KEY: str | None = None
+
     # Sentry
     SENTRY_DSN: str | None = None
 

server/reflector/utils/audio_constants.py

@@ -5,7 +5,9 @@ Used by both Hatchet workflows and Celery pipelines for consistent audio encodin
 """
 
 # Opus codec settings
+# ref B0F71CE8-FC59-4AA5-8414-DAFB836DB711
 OPUS_STANDARD_SAMPLE_RATE = 48000
+# ref B0F71CE8-FC59-4AA5-8414-DAFB836DB711
 OPUS_DEFAULT_BIT_RATE = 128000  # 128kbps for good speech quality
 
 # S3 presigned URL expiration

server/reflector/video_platforms/daily.py

@@ -129,10 +129,6 @@ class DailyClient(VideoPlatformClient):
         """Get room presence/session data for a Daily.co room."""
         return await self._api_client.get_room_presence(room_name)
 
-    async def delete_room(self, room_name: str) -> None:
-        """Delete a Daily.co room (idempotent - succeeds even if room doesn't exist)."""
-        return await self._api_client.delete_room(room_name)
-
     async def get_meeting_participants(
         self, meeting_id: str
     ) -> MeetingParticipantsResponse:

server/reflector/views/rooms.py

@@ -20,7 +20,6 @@ from reflector.services.ics_sync import ics_sync_service
 from reflector.settings import settings
 from reflector.utils.url import add_query_param
 from reflector.video_platforms.factory import create_platform_client
-from reflector.worker.process import poll_daily_room_presence_task
 from reflector.worker.webhook import test_webhook
 
 logger = logging.getLogger(__name__)
@@ -366,53 +365,6 @@ async def rooms_create_meeting(
     return meeting
 
 
-@router.post("/rooms/{room_name}/meetings/{meeting_id}/joined")
-async def rooms_joined_meeting(
-    room_name: str,
-    meeting_id: str,
-):
-    """Trigger presence poll (ideally when user actually joins meeting in Daily iframe)"""
-    room = await rooms_controller.get_by_name(room_name)
-    if not room:
-        raise HTTPException(status_code=404, detail="Room not found")
-
-    meeting = await meetings_controller.get_by_id(meeting_id, room=room)
-    if not meeting:
-        raise HTTPException(status_code=404, detail="Meeting not found")
-
-    if meeting.platform == "daily":
-        poll_daily_room_presence_task.delay(meeting_id)
-
-    return {"status": "ok"}
-
-
-@router.post("/rooms/{room_name}/meetings/{meeting_id}/leave")
-async def rooms_leave_meeting(
-    room_name: str,
-    meeting_id: str,
-    delay_seconds: int = 2,
-):
-    """Trigger presence recheck when user leaves meeting (e.g., tab close/navigation).
-
-    Queues presence poll with optional delay to allow Daily.co to detect disconnect.
-    """
-    room = await rooms_controller.get_by_name(room_name)
-    if not room:
-        raise HTTPException(status_code=404, detail="Room not found")
-
-    meeting = await meetings_controller.get_by_id(meeting_id, room=room)
-    if not meeting:
-        raise HTTPException(status_code=404, detail="Meeting not found")
-
-    if meeting.platform == "daily":
-        poll_daily_room_presence_task.apply_async(
-            args=[meeting_id],
-            countdown=delay_seconds,
-        )
-
-    return {"status": "ok"}
-
-
 @router.post("/rooms/{room_id}/webhook/test", response_model=WebhookTestResult)
 async def rooms_test_webhook(
     room_id: str,

server/reflector/worker/process.py

@@ -845,47 +845,15 @@ async def process_meetings():
                     end_date = end_date.replace(tzinfo=timezone.utc)
 
                 client = create_platform_client(meeting.platform)
-                has_active_sessions = False
+                room_sessions = await client.get_room_sessions(meeting.room_name)
-                has_had_sessions = False
 
-                if meeting.platform == "daily":
+                has_active_sessions = bool(
-                    try:
+                    room_sessions and any(s.ended_at is None for s in room_sessions)
-                        presence = await client.get_room_presence(meeting.room_name)
+                )
-                        has_active_sessions = presence.total_count > 0
+                has_had_sessions = bool(room_sessions)
-
+                logger_.info(
-                        room_sessions = await client.get_room_sessions(
+                    f"has_active_sessions={has_active_sessions}, has_had_sessions={has_had_sessions}"
-                            meeting.room_name
+                )
-                        )
-                        has_had_sessions = bool(room_sessions)
-
-                        logger_.info(
-                            "Daily.co presence check",
-                            has_active_sessions=has_active_sessions,
-                            has_had_sessions=has_had_sessions,
-                            presence_count=presence.total_count,
-                        )
-                    except Exception:
-                        logger_.warning(
-                            "Daily.co presence API failed, falling back to DB sessions",
-                            exc_info=True,
-                        )
-                        room_sessions = await client.get_room_sessions(
-                            meeting.room_name
-                        )
-                        has_active_sessions = bool(
-                            room_sessions
-                            and any(s.ended_at is None for s in room_sessions)
-                        )
-                        has_had_sessions = bool(room_sessions)
-                else:
-                    room_sessions = await client.get_room_sessions(meeting.room_name)
-                    has_active_sessions = bool(
-                        room_sessions and any(s.ended_at is None for s in room_sessions)
-                    )
-                    has_had_sessions = bool(room_sessions)
-                    logger_.info(
-                        f"has_active_sessions={has_active_sessions}, has_had_sessions={has_had_sessions}"
-                    )
 
                 if has_active_sessions:
                     logger_.debug("Meeting still has active sessions, keep it")
@@ -904,20 +872,7 @@ async def process_meetings():
                     await meetings_controller.update_meeting(
                         meeting.id, is_active=False
                     )
-                    logger_.info("Meeting deactivated in database")
+                    logger_.info("Meeting is deactivated")
-
-                    if meeting.platform == "daily":
-                        try:
-                            await client.delete_room(meeting.room_name)
-                            logger_.info(
-                                "Daily.co room deleted", room_name=meeting.room_name
-                            )
-                        except Exception:
-                            logger_.warning(
-                                "Failed to delete Daily.co room",
-                                room_name=meeting.room_name,
-                                exc_info=True,
-                            )
 
                 processed_count += 1
 

server/tests/test_daily_presence_deactivation.py

@@ -1,286 +0,0 @@
-"""Unit tests for Daily.co presence-based meeting deactivation logic.
-
-Tests the fix for split room race condition by verifying:
-1. Real-time presence checking via Daily.co API
-2. Room deletion when meetings deactivate
-"""
-
-from datetime import datetime, timedelta, timezone
-from unittest.mock import AsyncMock, patch
-
-import pytest
-
-from reflector.dailyco_api.responses import (
-    RoomPresenceParticipant,
-    RoomPresenceResponse,
-)
-from reflector.db.daily_participant_sessions import (
-    DailyParticipantSession,
-    daily_participant_sessions_controller,
-)
-from reflector.db.meetings import meetings_controller
-from reflector.db.rooms import rooms_controller
-from reflector.video_platforms.daily import DailyClient
-
-
-@pytest.fixture
-async def daily_room_and_meeting():
-    """Create test room and meeting for Daily platform."""
-    room = await rooms_controller.add(
-        name="test-daily",
-        user_id="test-user",
-        platform="daily",
-        zulip_auto_post=False,
-        zulip_stream="",
-        zulip_topic="",
-        is_locked=False,
-        room_mode="normal",
-        recording_type="cloud",
-        recording_trigger="automatic-2nd-participant",
-        is_shared=False,
-    )
-
-    current_time = datetime.now(timezone.utc)
-    end_time = current_time + timedelta(hours=2)
-
-    meeting = await meetings_controller.create(
-        id="test-meeting-id",
-        room_name="test-daily-20260129120000",
-        room_url="https://daily.co/test",
-        host_room_url="https://daily.co/test",
-        start_date=current_time,
-        end_date=end_time,
-        room=room,
-    )
-
-    return room, meeting
-
-
-@pytest.mark.asyncio
-async def test_daily_client_has_delete_room_method():
-    """Verify DailyClient has delete_room method for cleanup."""
-    # Create a mock DailyClient
-    with patch("reflector.dailyco_api.client.DailyApiClient"):
-        from reflector.video_platforms.models import VideoPlatformConfig
-
-        config = VideoPlatformConfig(api_key="test-key", webhook_secret="test-secret")
-        client = DailyClient(config)
-
-        # Verify delete_room method exists
-        assert hasattr(client, "delete_room")
-        assert callable(getattr(client, "delete_room"))
-
-
-@pytest.mark.asyncio
-async def test_get_room_presence_returns_realtime_data(daily_room_and_meeting):
-    """Test that get_room_presence returns real-time participant data."""
-    room, meeting = daily_room_and_meeting
-
-    # Mock Daily.co API response
-    mock_presence = RoomPresenceResponse(
-        total_count=2,
-        data=[
-            RoomPresenceParticipant(
-                room=meeting.room_name,
-                id="session-1",
-                userId="user-1",
-                userName="User One",
-                joinTime="2026-01-29T12:00:00.000Z",
-                duration=120,
-            ),
-            RoomPresenceParticipant(
-                room=meeting.room_name,
-                id="session-2",
-                userId="user-2",
-                userName="User Two",
-                joinTime="2026-01-29T12:05:00.000Z",
-                duration=60,
-            ),
-        ],
-    )
-
-    with patch("reflector.dailyco_api.client.DailyApiClient") as mock_api:
-        from reflector.video_platforms.models import VideoPlatformConfig
-
-        config = VideoPlatformConfig(api_key="test-key", webhook_secret="test-secret")
-        client = DailyClient(config)
-
-        # Mock the API client method
-        client._api_client.get_room_presence = AsyncMock(return_value=mock_presence)
-
-        # Call get_room_presence
-        result = await client.get_room_presence(meeting.room_name)
-
-        # Verify it calls Daily.co API
-        client._api_client.get_room_presence.assert_called_once_with(meeting.room_name)
-
-        # Verify result contains real-time data
-        assert result.total_count == 2
-        assert len(result.data) == 2
-        assert result.data[0].id == "session-1"
-        assert result.data[1].id == "session-2"
-
-
-@pytest.mark.asyncio
-async def test_presence_shows_active_even_when_db_stale(daily_room_and_meeting):
-    """Test that Daily.co presence API is source of truth, not stale DB sessions."""
-    room, meeting = daily_room_and_meeting
-    current_time = datetime.now(timezone.utc)
-
-    # Create stale DB session (left_at=NULL but user actually left)
-    session_id = f"{meeting.id}:stale-user:{int((current_time - timedelta(minutes=5)).timestamp() * 1000)}"
-    await daily_participant_sessions_controller.upsert_joined(
-        DailyParticipantSession(
-            id=session_id,
-            meeting_id=meeting.id,
-            room_id=room.id,
-            session_id="stale-daily-session",
-            user_name="Stale User",
-            user_id="stale-user",
-            joined_at=current_time - timedelta(minutes=5),
-            left_at=None,  # Stale - shows active but user left
-        )
-    )
-
-    # Verify DB shows active session
-    db_sessions = await daily_participant_sessions_controller.get_active_by_meeting(
-        meeting.id
-    )
-    assert len(db_sessions) == 1
-
-    # But Daily.co API shows room is empty
-    mock_presence = RoomPresenceResponse(total_count=0, data=[])
-
-    with patch("reflector.dailyco_api.client.DailyApiClient"):
-        from reflector.video_platforms.models import VideoPlatformConfig
-
-        config = VideoPlatformConfig(api_key="test-key", webhook_secret="test-secret")
-        client = DailyClient(config)
-        client._api_client.get_room_presence = AsyncMock(return_value=mock_presence)
-
-        # Get real-time presence
-        presence = await client.get_room_presence(meeting.room_name)
-
-        # Real-time API shows no participants (truth)
-        assert presence.total_count == 0
-        assert len(presence.data) == 0
-
-        # DB shows 1 participant (stale)
-        assert len(db_sessions) == 1
-
-        # Implementation should trust presence API, not DB
-
-
-@pytest.mark.asyncio
-async def test_meeting_deactivation_logic_with_presence_empty():
-    """Test the core deactivation decision logic when presence shows room empty."""
-    # This tests the logic that will be in process_meetings
-
-    # Simulate: DB shows stale active session
-    has_active_db_sessions = True  # DB is stale
-
-    # Simulate: Daily.co presence API shows room empty
-    presence_count = 0  # Real-time truth
-
-    # Simulate: Meeting has been used before
-    has_had_sessions = True
-
-    # Decision logic (what process_meetings should do):
-    # - If presence API available: trust it
-    # - If presence shows empty AND has_had_sessions: deactivate
-
-    if presence_count == 0 and has_had_sessions:
-        should_deactivate = True
-    else:
-        should_deactivate = False
-
-    assert should_deactivate is True  # Should deactivate despite stale DB
-
-
-@pytest.mark.asyncio
-async def test_meeting_deactivation_logic_with_presence_active():
-    """Test that meetings stay active when presence shows participants."""
-    # Simulate: DB shows no sessions (not yet updated)
-    has_active_db_sessions = False  # DB hasn't caught up
-
-    # Simulate: Daily.co presence API shows active participant
-    presence_count = 1  # Real-time truth
-
-    # Decision logic: presence shows activity, keep meeting active
-    if presence_count > 0:
-        should_deactivate = False
-    else:
-        should_deactivate = True
-
-    assert should_deactivate is False  # Should stay active
-
-
-@pytest.mark.asyncio
-async def test_delete_room_called_on_deactivation(daily_room_and_meeting):
-    """Test that Daily.co room is deleted when meeting deactivates."""
-    room, meeting = daily_room_and_meeting
-
-    with patch("reflector.dailyco_api.client.DailyApiClient"):
-        from reflector.video_platforms.models import VideoPlatformConfig
-
-        config = VideoPlatformConfig(api_key="test-key", webhook_secret="test-secret")
-        client = DailyClient(config)
-
-        # Mock delete_room API call
-        client._api_client.delete_room = AsyncMock()
-
-        # Simulate deactivation - should delete room
-        await client._api_client.delete_room(meeting.room_name)
-
-        # Verify delete was called
-        client._api_client.delete_room.assert_called_once_with(meeting.room_name)
-
-
-@pytest.mark.asyncio
-async def test_delete_room_idempotent_on_404():
-    """Test that room deletion is idempotent (succeeds even if room doesn't exist)."""
-    from reflector.dailyco_api.client import DailyApiClient
-
-    # Create real client to test delete_room logic
-    client = DailyApiClient(api_key="test-key")
-
-    # Mock the HTTP client
-    mock_http_client = AsyncMock()
-    mock_response = AsyncMock()
-    mock_response.status_code = 404  # Room not found
-    mock_http_client.delete = AsyncMock(return_value=mock_response)
-
-    # Mock _get_client to return our mock
-    async def mock_get_client():
-        return mock_http_client
-
-    client._get_client = mock_get_client
-
-    # delete_room should succeed even on 404 (idempotent)
-    await client.delete_room("nonexistent-room")
-
-    # Verify delete was attempted
-    mock_http_client.delete.assert_called_once()
-
-
-@pytest.mark.asyncio
-async def test_api_failure_fallback_to_db_sessions():
-    """Test that system falls back to DB sessions if Daily.co API fails."""
-    # Simulate: Daily.co API throws exception
-    api_exception = Exception("API unavailable")
-
-    # Simulate: DB shows active session
-    has_active_db_sessions = True
-
-    # Decision logic with fallback:
-    try:
-        presence_count = None
-        raise api_exception  # Simulating API failure
-    except Exception:
-        # Fallback: use DB sessions (conservative - don't deactivate if unsure)
-        if has_active_db_sessions:
-            should_deactivate = False
-        else:
-            should_deactivate = True
-
-    assert should_deactivate is False  # Conservative: keep active on API failure

server/uv.lock

@@ -159,21 +159,20 @@ wheels = [
 
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-version = "1.13.0"
+version = "1.14.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
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     { name = "av" },
-    { name = "cffi" },
     { name = "cryptography" },
     { name = "google-crc32c" },
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     { name = "pylibsrtp" },
     { name = "pyopenssl" },
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 wheels = [
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 ]
 
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 ]
 
 [[package]]
@@ -3267,7 +3262,7 @@ requires-dist = [
     { name = "aiohttp-cors", specifier = ">=0.7.0" },
     { name = "aiortc", specifier = ">=1.5.0" },
     { name = "alembic", specifier = ">=1.11.3" },
-    { name = "av", specifier = ">=10.0.0" },
+    { name = "av", specifier = ">=15.0.0" },
     { name = "celery", specifier = ">=5.3.4" },
     { name = "databases", extras = ["aiosqlite", "asyncpg"], specifier = ">=0.7.0" },
     { name = "fastapi", extras = ["standard"], specifier = ">=0.100.1" },

www/app/(app)/rooms/page.tsx

@@ -302,10 +302,10 @@ export default function RoomsList() {
         return;
       }
 
-      const platform: "whereby" | "daily" | null =
+      const platform: "whereby" | "daily" =
         room.platform === "whereby" || room.platform === "daily"
           ? room.platform
-          : null;
+          : "daily";
 
       const roomData = {
         name: room.name,

www/app/(app)/transcripts/[transcriptId]/correct/page.tsx

@@ -16,6 +16,7 @@ import {
 import { useError } from "../../../../(errors)/errorContext";
 import { useRouter } from "next/navigation";
 import { Box, Grid } from "@chakra-ui/react";
+import { parseNonEmptyString } from "../../../../lib/utils";
 
 export type TranscriptCorrect = {
   params: Promise<{
@@ -25,8 +26,7 @@ export type TranscriptCorrect = {
 
 export default function TranscriptCorrect(props: TranscriptCorrect) {
   const params = use(props.params);
-
+  const transcriptId = parseNonEmptyString(params.transcriptId);
-  const { transcriptId } = params;
 
   const updateTranscriptMutation = useTranscriptUpdate();
   const transcript = useTranscriptGet(transcriptId);

www/app/(app)/transcripts/[transcriptId]/page.tsx

@@ -9,7 +9,9 @@ import React, { useEffect, useState, use } from "react";
 import FinalSummary from "./finalSummary";
 import TranscriptTitle from "../transcriptTitle";
 import Player from "../player";
+import { useWebSockets } from "../useWebSockets";
 import { useRouter } from "next/navigation";
+import { parseNonEmptyString } from "../../../lib/utils";
 import {
   Box,
   Flex,
@@ -30,7 +32,7 @@ type TranscriptDetails = {
 
 export default function TranscriptDetails(details: TranscriptDetails) {
   const params = use(details.params);
-  const transcriptId = params.transcriptId;
+  const transcriptId = parseNonEmptyString(params.transcriptId);
   const router = useRouter();
   const statusToRedirect = [
     "idle",
@@ -49,6 +51,7 @@ export default function TranscriptDetails(details: TranscriptDetails) {
     transcriptId,
     waiting || mp3.audioDeleted === true,
   );
+  useWebSockets(transcriptId);
   const useActiveTopic = useState<Topic | null>(null);
   const [finalSummaryElement, setFinalSummaryElement] =
     useState<HTMLDivElement | null>(null);

www/app/(app)/transcripts/[transcriptId]/processing/page.tsx

@@ -10,6 +10,7 @@ import {
 } from "@chakra-ui/react";
 import { useRouter } from "next/navigation";
 import { useTranscriptGet } from "../../../../lib/apiHooks";
+import { parseNonEmptyString } from "../../../../lib/utils";
 
 type TranscriptProcessing = {
   params: Promise<{
@@ -19,7 +20,7 @@ type TranscriptProcessing = {
 
 export default function TranscriptProcessing(details: TranscriptProcessing) {
   const params = use(details.params);
-  const transcriptId = params.transcriptId;
+  const transcriptId = parseNonEmptyString(params.transcriptId);
   const router = useRouter();
 
   const transcript = useTranscriptGet(transcriptId);

www/app/(app)/transcripts/[transcriptId]/record/page.tsx

@@ -12,6 +12,7 @@ import { Box, Text, Grid, Heading, VStack, Flex } from "@chakra-ui/react";
 import LiveTrancription from "../../liveTranscription";
 import { useTranscriptGet } from "../../../../lib/apiHooks";
 import { TranscriptStatus } from "../../../../lib/transcript";
+import { parseNonEmptyString } from "../../../../lib/utils";
 
 type TranscriptDetails = {
   params: Promise<{
@@ -21,13 +22,14 @@ type TranscriptDetails = {
 
 const TranscriptRecord = (details: TranscriptDetails) => {
   const params = use(details.params);
-  const transcript = useTranscriptGet(params.transcriptId);
+  const transcriptId = parseNonEmptyString(params.transcriptId);
+  const transcript = useTranscriptGet(transcriptId);
   const [transcriptStarted, setTranscriptStarted] = useState(false);
   const useActiveTopic = useState<Topic | null>(null);
 
-  const webSockets = useWebSockets(params.transcriptId);
+  const webSockets = useWebSockets(transcriptId);
 
-  const mp3 = useMp3(params.transcriptId, true);
+  const mp3 = useMp3(transcriptId, true);
 
   const router = useRouter();
 

www/app/(app)/transcripts/[transcriptId]/upload/page.tsx

@@ -7,6 +7,7 @@ import useMp3 from "../../useMp3";
 import { Center, VStack, Text, Heading } from "@chakra-ui/react";
 import FileUploadButton from "../../fileUploadButton";
 import { useTranscriptGet } from "../../../../lib/apiHooks";
+import { parseNonEmptyString } from "../../../../lib/utils";
 
 type TranscriptUpload = {
   params: Promise<{
@@ -16,12 +17,13 @@ type TranscriptUpload = {
 
 const TranscriptUpload = (details: TranscriptUpload) => {
   const params = use(details.params);
-  const transcript = useTranscriptGet(params.transcriptId);
+  const transcriptId = parseNonEmptyString(params.transcriptId);
+  const transcript = useTranscriptGet(transcriptId);
   const [transcriptStarted, setTranscriptStarted] = useState(false);
 
-  const webSockets = useWebSockets(params.transcriptId);
+  const webSockets = useWebSockets(transcriptId);
 
-  const mp3 = useMp3(params.transcriptId, true);
+  const mp3 = useMp3(transcriptId, true);
 
   const router = useRouter();
 

www/app/(app)/transcripts/transcriptTitle.tsx

@@ -1,5 +1,6 @@
 import { useState } from "react";
 import type { components } from "../../reflector-api";
+import { parseMaybeNonEmptyString } from "../../lib/utils";
 
 type UpdateTranscript = components["schemas"]["UpdateTranscript"];
 type GetTranscriptWithParticipants =
@@ -32,7 +33,7 @@ const TranscriptTitle = (props: TranscriptTitle) => {
   const [isEditing, setIsEditing] = useState(false);
   const updateTranscriptMutation = useTranscriptUpdate();
   const participantsQuery = useTranscriptParticipants(
-    props.transcript?.id || null,
+    props.transcript?.id ? parseMaybeNonEmptyString(props.transcript.id) : null,
   );
 
   const updateTitle = async (newTitle: string, transcriptId: string) => {

www/app/(app)/transcripts/useMp3.ts

@@ -1,5 +1,6 @@
 import { useEffect, useState } from "react";
 import { useTranscriptGet } from "../../lib/apiHooks";
+import { parseMaybeNonEmptyString } from "../../lib/utils";
 import { useAuth } from "../../lib/AuthProvider";
 import { API_URL } from "../../lib/apiClient";
 
@@ -27,7 +28,7 @@ const useMp3 = (transcriptId: string, waiting?: boolean): Mp3Response => {
     data: transcript,
     isLoading: transcriptMetadataLoading,
     error: transcriptError,
-  } = useTranscriptGet(later ? null : transcriptId);
+  } = useTranscriptGet(later ? null : parseMaybeNonEmptyString(transcriptId));
 
   const [serviceWorker, setServiceWorker] =
     useState<ServiceWorkerRegistration | null>(null);

www/app/(app)/transcripts/useParticipants.ts

@@ -1,6 +1,7 @@
 import type { components } from "../../reflector-api";
 type Participant = components["schemas"]["Participant"];
 import { useTranscriptParticipants } from "../../lib/apiHooks";
+import { parseMaybeNonEmptyString } from "../../lib/utils";
 
 type ErrorParticipants = {
   error: Error;
@@ -32,7 +33,7 @@ const useParticipants = (transcriptId: string): UseParticipants => {
     isLoading: loading,
     error,
     refetch,
-  } = useTranscriptParticipants(transcriptId || null);
+  } = useTranscriptParticipants(parseMaybeNonEmptyString(transcriptId));
 
   // Type-safe return based on state
   if (error) {

www/app/(app)/transcripts/useTopicWithWords.ts

@@ -1,5 +1,6 @@
 import type { components } from "../../reflector-api";
 import { useTranscriptTopicsWithWordsPerSpeaker } from "../../lib/apiHooks";
+import { parseMaybeNonEmptyString } from "../../lib/utils";
 
 type GetTranscriptTopicWithWordsPerSpeaker =
   components["schemas"]["GetTranscriptTopicWithWordsPerSpeaker"];
@@ -38,7 +39,7 @@ const useTopicWithWords = (
     error,
     refetch,
   } = useTranscriptTopicsWithWordsPerSpeaker(
-    transcriptId || null,
+    parseMaybeNonEmptyString(transcriptId),
     topicId || null,
   );
 

www/app/(app)/transcripts/useTopics.ts

@@ -1,5 +1,6 @@
 import { useTranscriptTopics } from "../../lib/apiHooks";
 import type { components } from "../../reflector-api";
+import { parseMaybeNonEmptyString } from "../../lib/utils";
 
 type GetTranscriptTopic = components["schemas"]["GetTranscriptTopic"];
 
@@ -10,7 +11,11 @@ type TranscriptTopics = {
 };
 
 const useTopics = (id: string): TranscriptTopics => {
-  const { data: topics, isLoading: loading, error } = useTranscriptTopics(id);
+  const {
+    data: topics,
+    isLoading: loading,
+    error,
+  } = useTranscriptTopics(parseMaybeNonEmptyString(id));
 
   return {
     topics: topics || null,

www/app/(app)/transcripts/useWaveform.ts

@@ -1,5 +1,6 @@
 import type { components } from "../../reflector-api";
 import { useTranscriptWaveform } from "../../lib/apiHooks";
+import { parseMaybeNonEmptyString } from "../../lib/utils";
 
 type AudioWaveform = components["schemas"]["AudioWaveform"];
 
@@ -14,7 +15,7 @@ const useWaveform = (id: string, skip: boolean): AudioWaveFormResponse => {
     data: waveform,
     isLoading: loading,
     error,
-  } = useTranscriptWaveform(skip ? null : id);
+  } = useTranscriptWaveform(skip ? null : parseMaybeNonEmptyString(id));
 
   return {
     waveform: waveform || null,

www/app/(app)/transcripts/useWebSockets.ts

@@ -7,6 +7,12 @@ type GetTranscriptSegmentTopic =
   components["schemas"]["GetTranscriptSegmentTopic"];
 import { useQueryClient } from "@tanstack/react-query";
 import { $api, WEBSOCKET_URL } from "../../lib/apiClient";
+import {
+  invalidateTranscript,
+  invalidateTranscriptTopics,
+  invalidateTranscriptWaveform,
+} from "../../lib/apiHooks";
+import { NonEmptyString } from "../../lib/utils";
 
 export type UseWebSockets = {
   transcriptTextLive: string;
@@ -369,15 +375,10 @@ export const useWebSockets = (transcriptId: string | null): UseWebSockets => {
             });
             console.debug("TOPIC event:", message.data);
             // Invalidate topics query to sync with WebSocket data
-            queryClient.invalidateQueries({
+            invalidateTranscriptTopics(
-              queryKey: $api.queryOptions(
+              queryClient,
-                "get",
+              transcriptId as NonEmptyString,
-                "/v1/transcripts/{transcript_id}/topics",
+            );
-                {
-                  params: { path: { transcript_id: transcriptId } },
-                },
-              ).queryKey,
-            });
             break;
 
           case "FINAL_SHORT_SUMMARY":
@@ -388,15 +389,7 @@ export const useWebSockets = (transcriptId: string | null): UseWebSockets => {
             if (message.data) {
               setFinalSummary(message.data);
               // Invalidate transcript query to sync summary
-              queryClient.invalidateQueries({
+              invalidateTranscript(queryClient, transcriptId as NonEmptyString);
-                queryKey: $api.queryOptions(
-                  "get",
-                  "/v1/transcripts/{transcript_id}",
-                  {
-                    params: { path: { transcript_id: transcriptId } },
-                  },
-                ).queryKey,
-              });
             }
             break;
 
@@ -405,15 +398,7 @@ export const useWebSockets = (transcriptId: string | null): UseWebSockets => {
             if (message.data) {
               setTitle(message.data.title);
               // Invalidate transcript query to sync title
-              queryClient.invalidateQueries({
+              invalidateTranscript(queryClient, transcriptId as NonEmptyString);
-                queryKey: $api.queryOptions(
-                  "get",
-                  "/v1/transcripts/{transcript_id}",
-                  {
-                    params: { path: { transcript_id: transcriptId } },
-                  },
-                ).queryKey,
-              });
             }
             break;
 
@@ -424,6 +409,10 @@ export const useWebSockets = (transcriptId: string | null): UseWebSockets => {
             );
             if (message.data) {
               setWaveForm(message.data.waveform);
+              invalidateTranscriptWaveform(
+                queryClient,
+                transcriptId as NonEmptyString,
+              );
             }
             break;
           case "DURATION":

www/app/[roomName]/MeetingSelection.tsx

@@ -26,7 +26,7 @@ import { useRouter } from "next/navigation";
 import { formatDateTime, formatStartedAgo } from "../lib/timeUtils";
 import MeetingMinimalHeader from "../components/MeetingMinimalHeader";
 import { NonEmptyString } from "../lib/utils";
-import { MeetingId } from "../lib/types";
+import { MeetingId, assertMeetingId } from "../lib/types";
 
 type Meeting = components["schemas"]["Meeting"];
 
@@ -315,7 +315,9 @@ export default function MeetingSelection({
                         variant="outline"
                         colorScheme="red"
                         size="md"
-                        onClick={() => handleEndMeeting(meeting.id)}
+                        onClick={() =>
+                          handleEndMeeting(assertMeetingId(meeting.id))
+                        }
                         loading={deactivateMeetingMutation.isPending}
                       >
                         <Icon as={LuX} me={2} />
@@ -460,7 +462,9 @@ export default function MeetingSelection({
                           variant="outline"
                           colorScheme="red"
                           size="md"
-                          onClick={() => handleEndMeeting(meeting.id)}
+                          onClick={() =>
+                            handleEndMeeting(assertMeetingId(meeting.id))
+                          }
                           loading={deactivateMeetingMutation.isPending}
                         >
                           <Icon as={LuX} me={2} />

www/app/[roomName]/components/DailyRoom.tsx

@@ -24,24 +24,15 @@ import { useAuth } from "../../lib/AuthProvider";
 import { useConsentDialog } from "../../lib/consent";
 import {
   useRoomJoinMeeting,
-  useRoomJoinedMeeting,
-  useRoomLeaveMeeting,
   useMeetingStartRecording,
-  leaveRoomPostUrl,
-  LeaveRoomBody,
 } from "../../lib/apiHooks";
 import { omit } from "remeda";
 import {
   assertExists,
-  assertExistsAndNonEmptyString,
   NonEmptyString,
   parseNonEmptyString,
 } from "../../lib/utils";
-import {
+import { assertMeetingId, DailyRecordingType } from "../../lib/types";
-  assertMeetingId,
-  DailyRecordingType,
-  MeetingId,
-} from "../../lib/types";
 import { useUuidV5 } from "react-uuid-hook";
 
 const CONSENT_BUTTON_ID = "recording-consent";
@@ -188,58 +179,6 @@ const useFrame = (
   ] as const;
 };
 
-const leaveDaily = () => {
-  const frame = DailyIframe.getCallInstance();
-  frame?.leave();
-};
-
-const useDirtyDisconnects = (
-  meetingId: NonEmptyString,
-  roomName: NonEmptyString,
-) => {
-  useEffect(() => {
-    if (!meetingId || !roomName) return;
-
-    const handleBeforeUnload = () => {
-      leaveDaily();
-      navigator.sendBeacon(
-        leaveRoomPostUrl(
-          {
-            room_name: roomName,
-            meeting_id: meetingId,
-          },
-          {
-            delay_seconds: 5,
-          },
-        ),
-        undefined satisfies LeaveRoomBody,
-      );
-    };
-    window.addEventListener("beforeunload", handleBeforeUnload);
-    return () => window.removeEventListener("beforeunload", handleBeforeUnload);
-  }, [meetingId, roomName]);
-};
-
-const useDisconnects = (
-  meetingId: NonEmptyString,
-  roomName: NonEmptyString,
-  leaveMutation: ReturnType<typeof useRoomLeaveMeeting>,
-) => {
-  useDirtyDisconnects(meetingId, roomName);
-
-  useEffect(() => {
-    return () => {
-      leaveDaily();
-      leaveMutation.mutate({
-        params: {
-          path: { meeting_id: meetingId, room_name: roomName },
-          query: { delay_seconds: 5 },
-        },
-      });
-    };
-  }, [meetingId, roomName]);
-};
-
 export default function DailyRoom({ meeting, room }: DailyRoomProps) {
   const router = useRouter();
   const params = useParams();
@@ -247,8 +186,6 @@ export default function DailyRoom({ meeting, room }: DailyRoomProps) {
   const authLastUserId = auth.lastUserId;
   const [container, setContainer] = useState<HTMLDivElement | null>(null);
   const joinMutation = useRoomJoinMeeting();
-  const joinedMutation = useRoomJoinedMeeting();
-  const leaveMutation = useRoomLeaveMeeting();
   const startRecordingMutation = useMeetingStartRecording();
   const [joinedMeeting, setJoinedMeeting] = useState<Meeting | null>(null);
 
@@ -258,9 +195,7 @@ export default function DailyRoom({ meeting, room }: DailyRoomProps) {
     useUuidV5(meeting.id, RAW_TRACKS_NAMESPACE)[0],
   );
 
-  if (typeof params.roomName === "object")
+  const roomName = params?.roomName as string;
-    throw new Error(`Invalid room name in params. array? ${params.roomName}`);
-  const roomName = assertExistsAndNonEmptyString(params.roomName);
 
   const {
     showConsentModal,
@@ -302,8 +237,6 @@ export default function DailyRoom({ meeting, room }: DailyRoomProps) {
     router.push("/browse");
   }, [router]);
 
-  useDisconnects(meeting.id as MeetingId, roomName, leaveMutation);
-
   const handleCustomButtonClick = useCallback(
     (ev: DailyEventObjectCustomButtonClick) => {
       if (ev.button_id === CONSENT_BUTTON_ID) {
@@ -316,15 +249,6 @@ export default function DailyRoom({ meeting, room }: DailyRoomProps) {
   );
 
   const handleFrameJoinMeeting = useCallback(() => {
-    joinedMutation.mutate({
-      params: {
-        path: {
-          room_name: roomName,
-          meeting_id: meeting.id,
-        },
-      },
-    });
-
     if (meeting.recording_type === "cloud") {
       console.log("Starting dual recording via REST API", {
         cloudInstanceId,
@@ -384,10 +308,8 @@ export default function DailyRoom({ meeting, room }: DailyRoomProps) {
       startRecordingWithRetry("raw-tracks", rawTracksInstanceId);
     }
   }, [
-    joinedMutation,
-    roomName,
-    meeting.id,
     meeting.recording_type,
+    meeting.id,
     startRecordingMutation,
     cloudInstanceId,
     rawTracksInstanceId,

www/app/lib/apiHooks.ts

@@ -1,13 +1,12 @@
 "use client";
 
-import { $api, API_URL } from "./apiClient";
+import { $api } from "./apiClient";
 import { useError } from "../(errors)/errorContext";
 import { QueryClient, useQueryClient } from "@tanstack/react-query";
-import type { components, operations } from "../reflector-api";
+import type { components } from "../reflector-api";
 import { useAuth } from "./AuthProvider";
 import { MeetingId } from "./types";
 import { NonEmptyString } from "./utils";
-import { createFinalURL, createQuerySerializer } from "openapi-fetch";
 
 /*
  * XXX error types returned from the hooks are not always correct; declared types are ValidationError but real type could be string or any other
@@ -105,7 +104,7 @@ export function useTranscriptProcess() {
   });
 }
 
-export function useTranscriptGet(transcriptId: string | null) {
+export function useTranscriptGet(transcriptId: NonEmptyString | null) {
   return $api.useQuery(
     "get",
     "/v1/transcripts/{transcript_id}",
@@ -122,6 +121,16 @@ export function useTranscriptGet(transcriptId: string | null) {
   );
 }
 
+export const invalidateTranscript = (
+  queryClient: QueryClient,
+  transcriptId: NonEmptyString,
+) =>
+  queryClient.invalidateQueries({
+    queryKey: $api.queryOptions("get", "/v1/transcripts/{transcript_id}", {
+      params: { path: { transcript_id: transcriptId } },
+    }).queryKey,
+  });
+
 export function useRoomGet(roomId: string | null) {
   const { isAuthenticated } = useAuthReady();
 
@@ -299,7 +308,7 @@ export function useTranscriptUploadAudio() {
   );
 }
 
-export function useTranscriptWaveform(transcriptId: string | null) {
+export function useTranscriptWaveform(transcriptId: NonEmptyString | null) {
   return $api.useQuery(
     "get",
     "/v1/transcripts/{transcript_id}/audio/waveform",
@@ -314,7 +323,21 @@ export function useTranscriptWaveform(transcriptId: string | null) {
   );
 }
 
-export function useTranscriptMP3(transcriptId: string | null) {
+export const invalidateTranscriptWaveform = (
+  queryClient: QueryClient,
+  transcriptId: NonEmptyString,
+) =>
+  queryClient.invalidateQueries({
+    queryKey: $api.queryOptions(
+      "get",
+      "/v1/transcripts/{transcript_id}/audio/waveform",
+      {
+        params: { path: { transcript_id: transcriptId } },
+      },
+    ).queryKey,
+  });
+
+export function useTranscriptMP3(transcriptId: NonEmptyString | null) {
   const { isAuthenticated } = useAuthReady();
 
   return $api.useQuery(
@@ -331,7 +354,7 @@ export function useTranscriptMP3(transcriptId: string | null) {
   );
 }
 
-export function useTranscriptTopics(transcriptId: string | null) {
+export function useTranscriptTopics(transcriptId: NonEmptyString | null) {
   return $api.useQuery(
     "get",
     "/v1/transcripts/{transcript_id}/topics",
@@ -346,7 +369,23 @@ export function useTranscriptTopics(transcriptId: string | null) {
   );
 }
 
-export function useTranscriptTopicsWithWords(transcriptId: string | null) {
+export const invalidateTranscriptTopics = (
+  queryClient: QueryClient,
+  transcriptId: NonEmptyString,
+) =>
+  queryClient.invalidateQueries({
+    queryKey: $api.queryOptions(
+      "get",
+      "/v1/transcripts/{transcript_id}/topics",
+      {
+        params: { path: { transcript_id: transcriptId } },
+      },
+    ).queryKey,
+  });
+
+export function useTranscriptTopicsWithWords(
+  transcriptId: NonEmptyString | null,
+) {
   const { isAuthenticated } = useAuthReady();
 
   return $api.useQuery(
@@ -364,7 +403,7 @@ export function useTranscriptTopicsWithWords(transcriptId: string | null) {
 }
 
 export function useTranscriptTopicsWithWordsPerSpeaker(
-  transcriptId: string | null,
+  transcriptId: NonEmptyString | null,
   topicId: string | null,
 ) {
   const { isAuthenticated } = useAuthReady();
@@ -386,7 +425,7 @@ export function useTranscriptTopicsWithWordsPerSpeaker(
   );
 }
 
-export function useTranscriptParticipants(transcriptId: string | null) {
+export function useTranscriptParticipants(transcriptId: NonEmptyString | null) {
   const { isAuthenticated } = useAuthReady();
 
   return $api.useQuery(
@@ -768,44 +807,6 @@ export function useRoomJoinMeeting() {
   );
 }
 
-export const LEAVE_ROOM_POST_URL_TEMPLATE =
-  "/v1/rooms/{room_name}/meetings/{meeting_id}/leave" as const;
-
-export const leaveRoomPostUrl = (
-  path: operations["v1_rooms_leave_meeting"]["parameters"]["path"],
-  query?: operations["v1_rooms_leave_meeting"]["parameters"]["query"],
-): string =>
-  createFinalURL(LEAVE_ROOM_POST_URL_TEMPLATE, {
-    baseUrl: API_URL,
-    params: { path, query },
-    querySerializer: createQuerySerializer(),
-  });
-
-export type LeaveRoomBody = operations["v1_rooms_leave_meeting"]["requestBody"];
-
-export function useRoomLeaveMeeting() {
-  return $api.useMutation("post", LEAVE_ROOM_POST_URL_TEMPLATE);
-}
-
-export const JOINED_ROOM_POST_URL_TEMPLATE =
-  "/v1/rooms/{room_name}/meetings/{meeting_id}/joined" as const;
-
-export const joinedRoomPostUrl = (
-  params: operations["v1_rooms_joined_meeting"]["parameters"]["path"],
-): string =>
-  createFinalURL(JOINED_ROOM_POST_URL_TEMPLATE, {
-    baseUrl: API_URL,
-    params: { path: params },
-    querySerializer: () => "",
-  });
-
-export type JoinedRoomBody =
-  operations["v1_rooms_joined_meeting"]["requestBody"];
-
-export function useRoomJoinedMeeting() {
-  return $api.useMutation("post", JOINED_ROOM_POST_URL_TEMPLATE);
-}
-
 export function useRoomIcsSync() {
   const { setError } = useError();
 

www/app/reflector-api.d.ts

@@ -171,48 +171,6 @@ export interface paths {
     patch?: never;
     trace?: never;
   };
-  "/v1/rooms/{room_name}/meetings/{meeting_id}/joined": {
-    parameters: {
-      query?: never;
-      header?: never;
-      path?: never;
-      cookie?: never;
-    };
-    get?: never;
-    put?: never;
-    /**
-     * Rooms Joined Meeting
-     * @description Trigger presence poll (ideally when user actually joins meeting in Daily iframe)
-     */
-    post: operations["v1_rooms_joined_meeting"];
-    delete?: never;
-    options?: never;
-    head?: never;
-    patch?: never;
-    trace?: never;
-  };
-  "/v1/rooms/{room_name}/meetings/{meeting_id}/leave": {
-    parameters: {
-      query?: never;
-      header?: never;
-      path?: never;
-      cookie?: never;
-    };
-    get?: never;
-    put?: never;
-    /**
-     * Rooms Leave Meeting
-     * @description Trigger presence recheck when user leaves meeting (e.g., tab close/navigation).
-     *
-     *     Queues presence poll with optional delay to allow Daily.co to detect disconnect.
-     */
-    post: operations["v1_rooms_leave_meeting"];
-    delete?: never;
-    options?: never;
-    head?: never;
-    patch?: never;
-    trace?: never;
-  };
   "/v1/rooms/{room_id}/webhook/test": {
     parameters: {
       query?: never;
@@ -2477,72 +2435,6 @@ export interface operations {
       };
     };
   };
-  v1_rooms_joined_meeting: {
-    parameters: {
-      query?: never;
-      header?: never;
-      path: {
-        room_name: string;
-        meeting_id: string;
-      };
-      cookie?: never;
-    };
-    requestBody?: never;
-    responses: {
-      /** @description Successful Response */
-      200: {
-        headers: {
-          [name: string]: unknown;
-        };
-        content: {
-          "application/json": unknown;
-        };
-      };
-      /** @description Validation Error */
-      422: {
-        headers: {
-          [name: string]: unknown;
-        };
-        content: {
-          "application/json": components["schemas"]["HTTPValidationError"];
-        };
-      };
-    };
-  };
-  v1_rooms_leave_meeting: {
-    parameters: {
-      query?: {
-        delay_seconds?: number;
-      };
-      header?: never;
-      path: {
-        room_name: string;
-        meeting_id: string;
-      };
-      cookie?: never;
-    };
-    requestBody?: never;
-    responses: {
-      /** @description Successful Response */
-      200: {
-        headers: {
-          [name: string]: unknown;
-        };
-        content: {
-          "application/json": unknown;
-        };
-      };
-      /** @description Validation Error */
-      422: {
-        headers: {
-          [name: string]: unknown;
-        };
-        content: {
-          "application/json": components["schemas"]["HTTPValidationError"];
-        };
-      };
-    };
-  };
   v1_rooms_test_webhook: {
     parameters: {
       query?: never;