Add 6 real-world use cases from YouTube creator workflow

- YouTube Content Pipeline: Automated video idea scouting with X/Twitter integration
- Personal CRM: Contact discovery and meeting prep automation
- AI Earnings Tracker: Tech earnings monitoring and summaries
- Knowledge Base (RAG): Searchable repository of saved content
- Health & Symptom Tracker: Food and symptom logging with pattern analysis
- Multi-Channel Assistant: Unified interface across Telegram, Slack, Google Workspace

All use cases verified in daily production use by @matthewberman

usecases/multi-channel-assistant.md

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+# Multi-Channel Personal Assistant
+
+Context-switching between apps to manage tasks, schedule events, send messages, and track work is exhausting. You want one interface that routes to all your tools.
+
+This workflow consolidates everything into a single AI assistant:
+
+• Telegram as primary interface with topic-based routing (different topics for video ideas, CRM, earnings, config, etc.)
+• Slack integration for team collaboration (task assignment, knowledge base saves, video idea triggers)
+• Google Workspace: create calendar events, manage email, upload to Drive — all from chat
+• Todoist for quick task capture
+• Asana for project management
+• Automated reminders: trash day, weekly company letter, etc.
+
+## Skills you Need
+
+- `gog` CLI (Google Workspace)
+- Slack integration (bot + user tokens)
+- Todoist API or skill
+- Asana API or skill
+- Telegram channel with multiple topics configured
+
+## How to Set it Up
+
+1. Set up Telegram topics for different contexts:
+   - `config` — bot settings and debugging
+   - `updates` — status and notifications
+   - `video-ideas` — content pipeline
+   - `personal-crm` — contact management
+   - `earnings` — financial tracking
+   - `knowledge-base` — RAG ingestion and queries
+
+2. Connect all your tools via OpenClaw config:
+   - Google OAuth (Gmail, Calendar, Drive)
+   - Slack (app + user tokens)
+   - Todoist API token
+   - Asana API token
+
+3. Prompt OpenClaw:
+```text
+You are my multi-channel assistant. Route requests based on context:
+
+Telegram topics:
+- "config" → system settings, debugging
+- "updates" → daily summaries, reminders, calendar
+- "video-ideas" → content pipeline and research
+- "personal-crm" → contact queries and meeting prep
+- "earnings" → financial tracking
+- "knowledge-base" → save and search content
+
+When I ask you to:
+- "Add [task] to my todo" → use Todoist
+- "Create a card for [topic]" → use Asana Video Pipeline project
+- "Schedule [event]" → use gog calendar
+- "Email [person] about [topic]" → draft email via gog gmail
+- "Upload [file] to Drive" → use gog drive
+
+Set up automated reminders:
+- Monday 6 PM: "🗑️ Trash day tomorrow"
+- Friday 3 PM: "✍️ Time to write the weekly company update"
+```
+
+4. Test each integration individually, then test cross-workflow interactions (e.g., saving a Slack link to knowledge base, then using it in a video research card).