Added batch process and test

main.py

@@ -60,6 +60,7 @@ async def dashboard(request: Request):
     runs = [dict(r) for r in db.get_recent_runs(10)]
     zips = [dict(z) for z in db.get_recent_zips(20)]
     interval = int(db.get_setting("scheduler_interval_minutes", "0") or "0")
+    batch_size = int(db.get_setting("sync_batch_size", "0") or "0")
     return templates.TemplateResponse(
         "index.html",
         {
@@ -70,6 +71,7 @@ async def dashboard(request: Request):
             "sync_running": sync.is_running(),
             "next_run": next_run_time(),
             "interval": interval,
+            "batch_size": batch_size,
         },
     )
 
@@ -116,6 +118,7 @@ async def save_settings(
     calibre_pass: str = Form(""),
     local_work_dir: str = Form("/tmp/calibresync"),
     scheduler_interval_minutes: str = Form("0"),
+    sync_batch_size: str = Form("0"),
 ):
     config.save({
         "sftp_host": sftp_host,
@@ -130,12 +133,13 @@ async def save_settings(
         "calibre_pass": calibre_pass,
         "local_work_dir": local_work_dir,
         "scheduler_interval_minutes": scheduler_interval_minutes,
+        "sync_batch_size": sync_batch_size,
     })
     _reschedule_auto_sync()
     return RedirectResponse("/settings?saved=1", status_code=303)
 
 
-# --- Sync trigger ---
+# --- Sync triggers ---
 
 @app.post("/sync")
 async def trigger_sync(background_tasks: BackgroundTasks):
@@ -145,6 +149,14 @@ async def trigger_sync(background_tasks: BackgroundTasks):
     return RedirectResponse("/?started=1", status_code=303)
 
 
+@app.post("/sync/test")
+async def trigger_test_sync(background_tasks: BackgroundTasks):
+    if sync.is_running():
+        return RedirectResponse("/?already_running=1", status_code=303)
+    background_tasks.add_task(sync.run_sync, 1)
+    return RedirectResponse("/?test_started=1", status_code=303)
+
+
 # --- JSON status API ---
 
 @app.get("/api/status")