n8n automation for publication of Youtube videos, Wordpress custompost type &LinkedIn Communication

We are looking for an experienced n8n automation expert to build a modular AI-powered content publishing workflow for our engineering company. The workflow should automate large parts of our content creation process while keeping human review and approval as mandatory steps before publication. The goal is not to fully automate publishing, but to automate content preparation and streamline our editorial workflow. A detailed workflow specification including process diagrams and field mappings is already available. Project Scope The workflow consists of three connected modules: 1. YouTube Workflow Generate with AI: YouTube title Video description Tags Optional chapters After review: Upload video to YouTube Store final YouTube URL Trigger next workflow 2. WordPress Knowledge Hub Workflow Using the transcript and the published YouTube URL, create a complete Knowledge Hub article. The workflow should: Generate the article with AI Generate FAQ Generate CTA Generate Meta Description Generate internal links Populate WordPress Custom Post Type Populate all ACF fields Create a draft Wait for review Publish after approval Update the YouTube description with the final article URL 3. LinkedIn Workflow After the Knowledge Hub article has been published: Generate: LinkedIn post Alternative hook Hashtags After approval: Publish automatically (if feasible) or prepare for manual publishing. Technical Requirements The workflow should use: n8n OpenAI API WordPress REST API Advanced Custom Fields (ACF) YouTube API LinkedIn API (optional) potentially Microsoft Teams as communication channel The WordPress site already exists and uses: Custom Post Types Advanced Custom Fields Custom categories Custom templates