feat(pipeline): sync current inference graph runtime

[ElmoPA]

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[ElmoPA]

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• feat(robot): deploy graph policies on Python 3.10 #578
• feat(pipeline): sync current inference graph runtime #577 👈 (View in Graphite)
• feat(pipeline): sequential H-Net pipeline, flat stages instead of a nested trunk #567
• feat(rldb): heterogeneous u_socket action support #566
• refactor(config): organize all Hydra configs by family and task #551
• tsim: sim env + viz/scripts + physics tuning #549
• sim: consolidate to Tsimulation/{sim_v1,sim_v2}, retire v3 numbering #546
• sim: fork PushShapes into frozen per-version packages (v1/v2/v3) #542
• feat(rldb): h264 video-backed images + role-in-key annotations + span selection #541 : 1 other dependent PR (#550 )
• TTT-Linear across-time layer (RoboTTT-style): closed-form inner SGD on fast weights, per-episode reset, tanh-gated ~identity at init; DualTrunkLevel ttt knob; arms fix2ada+ttt (H-Net) and txar_sdpada(+ttt) flat pair #540
• main

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