We present the Superfluid Pressure Gradient System (SPGS), a unified cosmological framework constructed exclusively from ten verified laboratory analogues (solitons, Breit-Wheeler and Schwinger pair production, helical fields, hot-dense plasma, pseudo-mass, Rollin film flow, Andronikashvili disk, residual viscosity, and He-II phase transitions) and their thirty-eight supporting references. Two fundamental postulates govern the model: (I) parametric conservation, requiring all macroscopic phenomena to emerge from the non-linear topological interactions of fixed invariant constants without additional free parameters; and (II) universal homeostatic recurrence, establishing that high-pressure systems are intrinsically cyclic and mechanically self-regulating through geometric density thresholds. The central mechanism is a dynamic superfluid medium whose pressure gradients, regulated by a nodal governor operating at the 1/137 harmonic threshold (derived from the fine-structure constant in Schwinger pair production), drive the entire cosmic evolution. Starting from a rare vacuum excitation event, the system forms a 3.02 Mpc helical lattice that governs structure formation, element synthesis, black-hole growth via the Black-Hole Interaction Mechanism (BHIM), and perpetual recycling at fixed percentages (74.048049 % BH nodes, 18.099818 % magnetars, 7.067740 % supernovae, 0.729927 % fusion, 0.054466 % lattice maintenance). No singularities arise; energy is conserved in a closed mechanical loop. The maturing superfluid lattice is now reaching full recycling potential, with its pressure gradients beginning to equilibrate. This manifests observationally as the apparent cosmic acceleration weakening, consistent with the February 16 2026 Cornell University DES + DESI combined analysis indicating the first hints of a future slowdown in expansion rate. The framework resolves, without new parameters, the Hubble and S₈ tensions, JWST high-redshift anomalies, CMB low-ℓ features (including the Axis of Evil and cold spot), the stochastic nanohertz gravitational-wave background, cosmic magnetic fields, 21 cm reionization history, and cluster-collision paradoxes (Bullet, Abell 520, DF2/DF4, Cloud 9). It predicts continued apparent acceleration as a lattice-gradient illusion, stable BAO harmonics, and specific signatures for Roman, LSST, Euclid, and SKA observations. SPGS offers a fully laboratory-grounded alternative to standard cosmology that is internally consistent, singularity-free, and eternally homeostatic. please note this is a 27 year old theoretical that became a labrotory framework at the start of feburary 2026 due RHIC star data, it is not the work of AI or LLMs.