feat: set tensor names on block params (leejet#1622)

apg: normalize diff_norm calculation by tensor size (leejet#1620)

perf: cap planner budget when model dwarfs the streaming budget (leej…

…et#1612)

refactor: split model loader from model definitions (leejet#1619)

refactor: move photomaker into generation extension (leejet#1618)

chore: rename and reformat gits_noise.inl (leejet#1617)

refactor: reorganize src model layout (leejet#1615)

refactor: extract Wan VAE implementation (leejet#1614)

refactor: unify model config detection (leejet#1613)

feat: add ideogram4 support (leejet#1609)