refactor: rename backend/frontend dirs and remove NovelWriter submodule

- Rename qwen3-tts-backend → canto-backend
- Rename qwen3-tts-frontend → canto-frontend
- Remove NovelWriter embedded repo

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

docker/.env.example

@@ -1,2 +0,0 @@
-SECRET_KEY=change-this-to-a-strong-random-key
-MODEL_DEVICE=cuda:0

docker/backend/.dockerignore

@@ -1,16 +0,0 @@
-.git
-docs
-images
-**/__pycache__
-**/*.pyc
-**/*.pyo
-qwen3-tts-backend/Qwen
-qwen3-tts-backend/outputs
-qwen3-tts-backend/voice_cache
-qwen3-tts-backend/*.db
-qwen3-tts-backend/.env
-qwen3-tts-frontend/node_modules
-qwen3-tts-frontend/dist
-qwen3-tts-frontend/.env
-models
-data

docker/backend/Dockerfile

@@ -1,22 +0,0 @@
-FROM pytorch/pytorch:2.5.1-cuda12.1-cudnn9-runtime
-
-WORKDIR /app
-
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    libsndfile1 \
-    && rm -rf /var/lib/apt/lists/*
-
-COPY qwen3-tts-backend/requirements.txt .
-COPY docker/backend/requirements.qwen_tts.txt .
-RUN pip install --no-cache-dir -r requirements.txt -r requirements.qwen_tts.txt
-
-COPY qwen_tts ./qwen_tts
-COPY qwen3-tts-backend .
-
-RUN mkdir -p /app/Qwen /app/data /app/voice_cache /app/outputs
-
-ENV PYTHONPATH=/app
-
-EXPOSE 8000
-
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]

docker/backend/requirements.qwen_tts.txt

@@ -1,6 +0,0 @@
-librosa
-einops
-transformers>=4.40.0,<5.0.0
-accelerate
-onnxruntime
-sox

docker/docker-compose.gpu.yml

@@ -1,9 +0,0 @@
-services:
-  backend:
-    deploy:
-      resources:
-        reservations:
-          devices:
-            - driver: nvidia
-              count: 1
-              capabilities: [gpu]

docker/docker-compose.yml

@@ -1,24 +0,0 @@
-services:
-  backend:
-    image: bdim404/qwen3-tts-backend:latest
-    environment:
-      SECRET_KEY: ${SECRET_KEY:?Set SECRET_KEY in docker/.env}
-      MODEL_DEVICE: ${MODEL_DEVICE:-cuda:0}
-      MODEL_BASE_PATH: /app/Qwen
-      DATABASE_URL: sqlite:////app/data/qwen_tts.db
-      CACHE_DIR: /app/voice_cache
-      OUTPUT_DIR: /app/outputs
-    volumes:
-      - ./models:/app/Qwen
-      - ./data/db:/app/data
-      - ./data/cache:/app/voice_cache
-      - ./data/outputs:/app/outputs
-    restart: unless-stopped
-
-  frontend:
-    image: bdim404/qwen3-tts-frontend:latest
-    ports:
-      - "80:80"
-    depends_on:
-      - backend
-    restart: unless-stopped

docker/frontend/.dockerignore

@@ -1,12 +0,0 @@
-.git
-docs
-images
-**/__pycache__
-**/*.pyc
-qwen3-tts-backend
-qwen_tts
-qwen3-tts-frontend/node_modules
-qwen3-tts-frontend/dist
-qwen3-tts-frontend/.env
-models
-data

docker/frontend/Dockerfile

@@ -1,18 +0,0 @@
-FROM node:20-alpine AS builder
-
-WORKDIR /app
-
-COPY qwen3-tts-frontend/package*.json ./
-RUN npm ci
-
-COPY qwen3-tts-frontend/ .
-RUN npm run build
-
-FROM nginx:alpine
-
-COPY --from=builder /app/dist /usr/share/nginx/html
-COPY docker/frontend/nginx.conf /etc/nginx/conf.d/default.conf
-
-EXPOSE 80
-
-CMD ["nginx", "-g", "daemon off;"]

docker/frontend/nginx.conf

@@ -1,25 +0,0 @@
-server {
-    listen 80;
-    root /usr/share/nginx/html;
-    index index.html;
-
-    gzip on;
-    gzip_types text/plain text/css application/json application/javascript text/xml application/xml text/javascript;
-
-    location /api/ {
-        proxy_pass http://backend:8000/;
-        proxy_http_version 1.1;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection "upgrade";
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_read_timeout 300s;
-        proxy_send_timeout 300s;
-        client_max_body_size 50m;
-    }
-
-    location / {
-        try_files $uri $uri/ /index.html;
-    }
-}