unilab 1.5.0

What's Changed

• feat(reset): restore env_ids as the public reset selector by @TATP-233 in #2468
• docs(migration): add bilingual 1.4 to 1.5 migration guide (#2463) by @TATP-233 in #2469
• feat(managers): restore observation history/delay under the env_ids reset contract (#2462) by @TATP-233 in #2470
• perf(reset): reuse owner-scoped mask buffers in the env_ids adaptation layer (#2461) by @TATP-233 in #2471
• docs(reset): document owns_observation_reset temporal semantics bypass by @TATP-233 in #2472
• feat(reset): restore env_ids as the public reset selector (roadmap #2459) by @TATP-233 in #2473
• chore(deps): bump unisim-core pin to 2.0.1 by @TATP-233 in #2476
• feat(training): add opt-in TF32 matmul knob for PPO/APPO FP32 updates by @TATP-233 in #2478
• feat(training): record ambient CUDA MPS state in off-policy probe (#2479) by @TATP-233 in #2480
• refactor(training): merge placement knobs into training.collector_tensor_device (#2481) by @TATP-233 in #2484
• feat(training): forbid CPU carrier with CUDA learner behind explicit opt-in (#2483) by @TATP-233 in #2485
• perf(env): collapse duplicate action/control scalar syncs on collector hot path by @TATP-233 in #2486
• chore(benchmark): delete device_info re-export shim, import unilab.utils.device directly (#2474) by @TATP-233 in #2491
• refactor(utils): default reward target_field to 'rewards' and drop 'reward_config' alias (#2474) by @TATP-233 in #2489
• [2474-P2] 清理 env/command 静默缝：删孤儿 hook、metric fail-closed、注释改写 by @TATP-233 in #2493
• refactor(reset)!: remove the v1.4 bool-mask reset compatibility layer (#2474) by @TATP-233 in #2494
• chore(deps): 消费 unisim-core 2.1.0，interval op payload 对齐 torch-first 契约 by @TATP-233 in #2496
• fix(envs): restore mjwarp collector Backend Step timing and surface CUDA MPS status by @TATP-233 in #2497
• release: unilab 1.5.0 by @TATP-233 in #2498

Full Changelog: v1.4.0...v1.5.0