* upstream/HEAD: (329 commits)
  vendor : update LibreSSL to 4.3.2 (ggml-org#24397)
  Remove padding and multiple D2D copies for MTP (ggml-org#24086)
  chat: fix LFM2/LFM2.5 ignoring json_schema (ggml-org#24377)
  CUDA: Fix ssm_scan_f32 data-races (ggml-org#24360)
  ci : bump komac version (ggml-org#24396)
  speculative : fix "ngram-map-k4v" name in logging (ggml-org#24253)
  webui: implement pinned conversations support (ggml-org#21387)
  graph: Fix granite speech model inference by applying embedding scale when deepstack is not used (ggml-org#24357)
  ci : fix windows release (ggml-org#24369)
  ui: add opt-in run_javascript frontend tool (ggml-org#24244)
  mtmd: build_vit batching (ggml-org#24352)
  vulkan: reduce iq1 shared memory usage for mul_mm (ggml-org#24287)
  vulkan: add `v_dot2_f32_f16` support in matrix-matrix multiplication and Flash Attention (ggml-org#24123)
  ui: Fix excessive style recalculation on hover (ggml-org#24243)
  mtmd: refactor video subproc handling (ggml-org#24316)
  server: log prompts to directory (ggml-org#22031)
  ui: fix mobile chat form overflow and bust stale bundle cache (ggml-org#24158)
  ggml : add GGML_OP_COL2IM_1D (ggml-org#24206)
  server : do not clear slots without unified KV cache (ggml-org#24190)
  models : fix plamo2 attention_key/value_length regression (ggml-org#24317)
  ...