fix(minimax-h3): remove dangling <Audio 1> reference from R2V template prompt

[lin-bot23]

The R2V demo prompt was updated in #1137 to say "Use <Picture 2> and <Picture 1> as reference frames and <Audio 1> exactly as it is.", but no audio input is connected: ref_audios.ref_audio_0 has link None and the workflow has no LoadAudio node.

This is the same dangling-tag issue fixed in #1129 (docs#1386): the <Audio 1> reference silently no-ops when users run the template as-is.

Fix: restore the prompt to reference only the connected images. Syncs manifest accordingly.

Ref: Comfy-Org/docs#1447 (docs page documents the R2V tag system)

[github-actions]

🔤 Spellcheck Results

Check	Status
templates/index.json (titles & descriptions)	✅ No issues found
Workflow JSON notes (MarkdownNote / Note nodes)	✅ No issues found

All spellchecks passed! 🎉

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro Plus

Run ID: cc3b737f-cf8d-4eae-8667-fc9fde301213

📥 Commits

Reviewing files that changed from the base of the PR and between 021a8bc and 10ba9f9.

📒 Files selected for processing (2)

• packages/core/src/comfyui_workflow_templates_core/manifest.json
• templates/video_minimax_h3_r2v.json

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📝 Walkthrough

Walkthrough

The Minimax video workflow prompt no longer requires <Audio 1> to remain exactly unchanged. The manifest checksum was updated to match the modified workflow.

Changes

Minimax video workflow

Layer / File(s)	Summary
Update workflow prompt and checksum templates/video_minimax_h3_r2v.json, packages/core/src/comfyui_workflow_templates_core/manifest.json	The prompt removes the exact Audio 1 preservation instruction. The manifest now contains the replacement checksum for the workflow.

Suggested reviewers: comfyui-wiki

Merge Risk: ⚪ Minimal · up to 10ba9

The template now references only connected image inputs and keeps its manifest synchronized. No actionable merge-blocking risk remains after normal validation.

🚥 Pre-merge checks | ✅ 2

✅ Passed checks (2 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests

✨ Simplify code

• Create PR with simplified code

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