Update rh-test (as of 2025-10-11) (#6044)

## Summary

Tested these changes and confirmed that:
1. Feedback button shows.
2. You can run workflows and switch out models.
3. You can use the mask editor. (thank you @ric-yu for helping me
verify).

## Changes

A lot, please see commits.

Gets us up to date with `main` as of 10-11-2025.

---------

Co-authored-by: Simula_r <18093452+simula-r@users.noreply.github.com>
Co-authored-by: github-actions <github-actions@github.com>
Co-authored-by: snomiao <snomiao@gmail.com>
Co-authored-by: Christian Byrne <cbyrne@comfy.org>
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: DrJKL <DrJKL@users.noreply.github.com>
Co-authored-by: Alexander Brown <drjkl@comfy.org>
Co-authored-by: Marwan Ahmed <155799754+marawan206@users.noreply.github.com>
Co-authored-by: DrJKL <DrJKL0424@gmail.com>
Co-authored-by: Rizumu Ayaka <rizumu@ayaka.moe>
Co-authored-by: Comfy Org PR Bot <snomiao+comfy-pr@gmail.com>
Co-authored-by: AustinMroz <4284322+AustinMroz@users.noreply.github.com>
Co-authored-by: Austin Mroz <austin@comfy.org>
Co-authored-by: Johnpaul Chiwetelu <49923152+Myestery@users.noreply.github.com>
Co-authored-by: GitHub Action <action@github.com>
Co-authored-by: filtered <176114999+webfiltered@users.noreply.github.com>
Co-authored-by: Benjamin Lu <benceruleanlu@proton.me>
Co-authored-by: Jin Yi <jin12cc@gmail.com>
Co-authored-by: Robin Huang <robin.j.huang@gmail.com>

.github/actions/setup-comfyui-server/action.yml

@@ -0,0 +1,55 @@
+name: Setup ComfyUI Server
+description: 'Setup ComfyUI server for continuous integration (with ComfyUI_devtools node installed)'
+inputs:
+  extra_server_params:
+    description: 'Additional parameters to pass to ComfyUI server'
+    required: false
+    default: ''
+  launch_server:
+    description: 'Whether to launch the server after setup'
+    required: false
+    default: 'false'
+runs:
+  using: 'composite'
+  steps:
+    # Note: this workflow assume frontend repo is checked out and is built in ../dist
+
+    # Checkout ComfyUI repo, install the dev_tools node and start server
+    - name: Checkout ComfyUI
+      uses: actions/checkout@v5
+      with:
+        repository: 'comfyanonymous/ComfyUI'
+        path: 'ComfyUI'
+
+    - name: Install ComfyUI_devtools from frontend repo
+      shell: bash
+      run: |
+        mkdir -p ComfyUI/custom_nodes/ComfyUI_devtools
+        if ! cp -r ./tools/devtools/* ComfyUI/custom_nodes/ComfyUI_devtools/; then
+          echo "::error::Failed to copy ComfyUI_devtools from ./tools/devtools/"
+          echo "::error::This action assumes the ComfyUI_frontend repository is checked out in the current working directory."
+          echo "::error::Please ensure you have run 'actions/checkout@v5' before calling this action."
+          exit 1
+        fi
+
+    - name: Setup Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.10'
+
+    - name: Install Python requirements
+      shell: bash
+      working-directory: ComfyUI
+      run: |
+        python -m pip install --upgrade pip
+        pip install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cpu
+        pip install -r requirements.txt
+        pip install wait-for-it
+
+    - name: Start ComfyUI server
+      if: ${{ inputs.launch_server == 'true' }}
+      shell: bash
+      working-directory: ComfyUI
+      run: |
+        python main.py --cpu --multi-user --front-end-root ../dist ${{ inputs.extra_server_params }} &
+        wait-for-it --service 127.0.0.1:8188 -t 600