adding scheduler

README.md

@@ -18,6 +18,7 @@ Transmission Manager serves a fast, clean, dark-mode Single Page Application (SP
   - Filter torrents instantly by name.
   - Sort by **Status**, **Name**, **Progress**, **Ratio**, **Size**, **Speed**, or **Availability**.
 - **Interactive Controls**: Pause or resume individual torrents directly from the web interface.
+- **Smart Seed Scheduler**: Opt completed torrents in from the Scheduler tab, choose 1–100 managed seed slots, and rotate an idle slot to the least recently seeded waiting torrent after one hour without upload. A persistent cycle history shows activations and rotations.
 - **Robust Transmission RPC Support**:
   - Automatically handles Transmission `409 Conflict` session ID (`X-Transmission-Session-Id`) handshakes.
   - Supports optional HTTP Basic Authentication.
@@ -33,6 +34,9 @@ Transmission Manager is configured entirely via environment variables:
 | `TRANSMISSION_URL` | **Yes** | Absolute HTTP or HTTPS RPC endpoint URL of your Transmission instance. |
 | `TRANSMISSION_RPC_USERNAME` | No | Basic Authentication username for Transmission RPC. |
 | `TRANSMISSION_RPC_PASSWORD` | No | Basic Authentication password for Transmission RPC. |
+| `SCHEDULER_DB_PATH` | No | SQLite database path (default `./data/scheduler.db`). |
+
+The scheduler runs in the server even when no browser is open. It manages only opted-in torrents. A scheduled torrent that continues uploading can keep its slot indefinitely, so rotation does not guarantee a fixed maximum waiting time. Manual pause or resume of an opted-in torrent is temporary; the scheduler restores its chosen state on its next check.
 
 ---
 
@@ -46,6 +50,7 @@ Run the container directly:
 docker run -d \
   --name transmission-manager \
   -p 8080:8080 \
+  -v transmission-manager-data:/app/data \
   -e TRANSMISSION_URL=http://192.168.1.100:9091/transmission/rpc \
   -e TRANSMISSION_RPC_USERNAME=admin \
   -e TRANSMISSION_RPC_PASSWORD=secret \
@@ -63,11 +68,16 @@ services:
     container_name: transmission-manager
     ports:
       - "8080:8080"
+    volumes:
+      - transmission-manager-data:/app/data
     environment:
       TRANSMISSION_URL: http://192.168.1.100:9091/transmission/rpc
       TRANSMISSION_RPC_USERNAME: admin
       TRANSMISSION_RPC_PASSWORD: secret
     restart: unless-stopped
+
+volumes:
+  transmission-manager-data:
 ```
 
 Then start the application:
@@ -104,3 +114,5 @@ export TRANSMISSION_URL="http://localhost:9091/transmission/rpc"
 ```
 
 By default, the server listens on port `8080`.
+
+Keep the `data` directory (or the path set by `SCHEDULER_DB_PATH`) across restarts to preserve scheduler settings, opt-ins, and cycle history. The app creates the database directory on startup and exits with a clear error if it cannot open the database.