minimax: boot log shipping to HF for debuggability

worker/minimax_start.sh

@@ -7,6 +7,12 @@
 #   3. installs the lora-from-url custom node.
 set -eo pipefail
 
+# Mirror all boot + ComfyUI + handler output into a log file, and ship it to
+# HF periodically so boot failures are debuggable without console access.
+# (fd redirection survives the exec /start.sh at the bottom.)
+LOG=/tmp/minimax-boot.log
+exec > >(tee -a "$LOG") 2>&1
+
 VARIANT="${MODEL_VARIANT:-fl2va}"
 REPO="nikdevs/minimax-h3-${VARIANT}"
 TARGET="${COMFY_VERSION:-v0.31.0}"
@@ -80,4 +86,22 @@ open("/comfyui/custom_nodes/lora_from_url.py", "wb").write(urllib.request.urlope
 print("[minimax] lora_from_url node installed")
 PYEOF
 
+# Background log shipper: uploads the boot log to HF a few times so the tail
+# of a crashed ComfyUI startup is visible from outside.
+"$PY" -m pip show huggingface_hub >/dev/null 2>&1 || "$PY" -m pip install -q huggingface_hub
+(
+  for i in 1 2 3 4; do
+    sleep 300
+    "$PY" - <<'PYEOF' || true
+import os
+from huggingface_hub import HfApi
+api = HfApi(token=os.environ.get("HF_TOKEN"))
+pod = os.environ.get("RUNPOD_POD_ID", "unknown")
+api.upload_file(path_or_fileobj="/tmp/minimax-boot.log",
+                path_in_repo=f"logs/boot-{pod}.log",
+                repo_id="nikdevs/qwen", commit_message=f"boot log {pod}")
+PYEOF
+  done
+) &
+
 exec /start.sh