feat: add CIE-10 sync endpoint and migration button in ERP tab

- POST /envios/erp/sync-diagnosticos: reads all 12422 diagnosticos from
  Firebird, sends to WhatsApp in batches of 500 via ingest_diagnosticos.php
- envios_erp.html: new "Migración CIE-10" card with Migrar button and result

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

app/routes/envios.py

@@ -1,8 +1,12 @@
+import httpx
+import traceback as tb
+
 from fastapi import APIRouter, Request, Depends, Query
 from fastapi.responses import JSONResponse
 from app.auth import get_current_user
 from app.database import get_connection
 from app.services.scheduler import sync_recientes
+from app.services.firebird_service import get_firebird_from_config
 
 router = APIRouter(prefix="/envios", tags=["envios"])
 
@@ -33,9 +37,66 @@ async def erp_sync_now(
     ventana_min: int = Query(default=30, ge=1, le=1440),
     user: dict = Depends(get_current_user),
 ):
-    import traceback as tb
     try:
         resultado = await sync_recientes(ventana_min=ventana_min)
         return JSONResponse(resultado)
     except Exception as e:
-        return JSONResponse({"ok": False, "error": str(e), "traceback": tb.format_exc()}, status_code=200)
+        return JSONResponse({"ok": False, "error": str(e), "traceback": tb.format_exc()})
+
+
+@router.post("/erp/sync-diagnosticos")
+async def erp_sync_diagnosticos(user: dict = Depends(get_current_user)):
+    """Migra los 12.422 diagnósticos CIE-10 de Firebird → WhatsApp en lotes de 500."""
+    try:
+        conn = get_connection()
+        configs = {row["key"]: row["value"] for row in conn.execute("SELECT * FROM config").fetchall()}
+        conn.close()
+
+        wa_url = configs.get("whatsapp_url", "").rstrip("/")
+        wa_key = configs.get("whatsapp_api_key", "")
+        if not wa_url or not wa_key:
+            return JSONResponse({"ok": False, "error": "whatsapp_url o whatsapp_api_key no configurados"})
+
+        fb, ok, msg = get_firebird_from_config(configs)
+        if not ok:
+            return JSONResponse({"ok": False, "error": f"Firebird: {msg}"})
+
+        ok_r, err_r, rows = fb.execute_query(
+            "SELECT TRIM(d.COD_DIAG) AS COD_DIAG, TRIM(d.CONCEPTO) AS CONCEPTO "
+            "FROM DIAGNOSTICO d ORDER BY d.COD_DIAG", None
+        )
+        fb.disconnect()
+
+        if not ok_r:
+            return JSONResponse({"ok": False, "error": f"Query Firebird: {err_r}"})
+
+        diagnosticos = [{"cod": r["COD_DIAG"], "concepto": r["CONCEPTO"]} for r in (rows or [])]
+        total = len(diagnosticos)
+        batch_size = 500
+        url = f"{wa_url}/api/lab/ingest_diagnosticos.php"
+        headers = {"Content-Type": "application/json", "X-Lab-Key": wa_key}
+
+        insertados = 0
+        errores = []
+        async with httpx.AsyncClient(timeout=60) as client:
+            for i in range(0, total, batch_size):
+                lote = diagnosticos[i:i + batch_size]
+                try:
+                    resp = await client.post(url, json={"rows": lote}, headers=headers)
+                    data = resp.json()
+                    if data.get("ok"):
+                        insertados += data.get("insertados", len(lote))
+                    else:
+                        errores.append(f"Lote {i}-{i+len(lote)}: {data.get('error', '?')}")
+                except Exception as ex:
+                    errores.append(f"Lote {i}-{i+len(lote)}: {ex}")
+
+        return JSONResponse({
+            "ok":        len(errores) == 0,
+            "total":     total,
+            "insertados": insertados,
+            "lotes":     (total + batch_size - 1) // batch_size,
+            "errores":   errores,
+        })
+    except Exception as e:
+        return JSONResponse({"ok": False, "error": str(e), "traceback": tb.format_exc()})