debug: add /debug-fb/cmxc endpoint for direct Firebird CMXC query

Shows IDRECEPCION, PREFIJO, NUM_FACTURA, CODCONTRATO, N_EXAMENES
for all CMXC receptions on a given date.

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

app/routes/debug_fb.py

@@ -176,6 +176,56 @@ async def debug_tarifas(user: dict = Depends(get_current_user)):
         return JSONResponse({"ok": False, "traceback": traceback.format_exc()})
 
 
+@router.get("/cmxc")
+async def debug_cmxc(
+    fecha: str = Query(default="", description="YYYY-MM-DD, vacío = hoy"),
+    user: dict = Depends(get_current_user),
+):
+    """Consulta directa a Firebird: recepciones CMXC para la fecha dada."""
+    from datetime import date as date_cls
+    if not fecha:
+        fecha = date_cls.today().isoformat()
+    fecha_ini = f"{fecha} 00:00:00"
+    fecha_fin = f"{fecha} 23:59:59"
+    try:
+        conn = get_connection()
+        cfg = {r["key"]: r["value"] for r in conn.execute("SELECT * FROM config").fetchall()}
+        conn.close()
+        fb, ok, msg = get_firebird_from_config(cfg)
+        if not ok:
+            return JSONResponse({"ok": False, "error": msg})
+
+        ok1, _, rows = fb.execute_query("""
+            SELECT
+                r.IDRECEPCION, r.PREFIJO, r.NUM_FACTURA,
+                CAST(r.FECHA_RECEPCION AS VARCHAR(30)) AS FECHA_RECEPCION,
+                r.COD_PACIENTE, TRIM(r.NIT_EMPRESA) AS NIT_EMPRESA,
+                TRIM(e.CODCONTRATO) AS CODCONTRATO, TRIM(e.NOMBRE) AS NOM_EMPRESA,
+                (SELECT COUNT(*) FROM RELACION rel WHERE rel.IDRECEPCION = r.IDRECEPCION) AS N_EXAMENES
+            FROM RECEPCION r
+            LEFT JOIN EMPRESA e ON e.NIT = r.NIT_EMPRESA
+            WHERE r.FECHA_RECEPCION BETWEEN :fi AND :ff
+              AND r.PREFIJO = 'CMXC'
+            ORDER BY r.IDRECEPCION
+        """, {"fi": fecha_ini, "ff": fecha_fin})
+
+        ok2, _, total = fb.execute_query("""
+            SELECT COUNT(*) AS N FROM RECEPCION r
+            WHERE r.FECHA_RECEPCION BETWEEN :fi AND :ff
+        """, {"fi": fecha_ini, "ff": fecha_fin})
+
+        fb.disconnect()
+        return JSONResponse({
+            "ok": True,
+            "fecha": fecha,
+            "total_recepcion_del_dia": total[0]["N"] if ok2 and total else "?",
+            "cmxc_count": len(rows or []),
+            "cmxc_rows": list(rows or []),
+        })
+    except Exception:
+        return JSONResponse({"ok": False, "traceback": traceback.format_exc()})
+
+
 @router.get("/cups")
 async def find_cups(request: Request, user: dict = Depends(get_current_user)):
     try: