Add quick start guide for tomorrow's session

QUICKSTART_TOMORROW.md

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+# Grimlock - Tomorrow's Quick Start
+
+## Pull Latest Code
+
+```bash
+cd ~/grimlock
+git pull
+```
+
+## Start Backend
+
+```bash
+cd ~/grimlock/backend
+
+export PATH="$HOME/.local/bin:$PATH"
+export ANTHROPIC_API_KEY="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"
+export DATABASE_URL="postgresql://grimlock:grimlock@localhost:5432/grimlock"
+export SECRET_KEY="09d25e094faa6ca2556c818166b7a9563b93f7099f6f0f4caa6cf63b88e8d3e7"
+export REDIS_URL="redis://localhost:6379"
+export CONTEXT_PATH="$HOME/grimlock/backend/context"
+
+python3 -m uvicorn main:app --host 0.0.0.0 --port 8000
+```
+
+## Start Frontend (New Terminal)
+
+```bash
+cd ~/grimlock/frontend
+npm run dev
+```
+
+## Test It
+
+1. Go to http://10.253.0.4:3000
+2. Register/Login
+3. Create channel via curl:
+
+```bash
+# Get token
+TOKEN=$(curl -s -X POST http://10.253.0.4:8000/api/auth/login \
+  -H "Content-Type: application/json" \
+  -d '{"email":"YOUR_EMAIL","password":"YOUR_PASSWORD"}' | grep -o '"access_token":"[^"]*' | cut -d'"' -f4)
+
+# Create channel
+curl -L -X POST http://10.253.0.4:8000/api/channels/ \
+  -H "Content-Type: application/json" \
+  -H "Authorization: Bearer $TOKEN" \
+  -d '{"name":"general","description":"Team chat","type":"public"}'
+
+# Join channel
+curl -X POST http://10.253.0.4:8000/api/channels/1/join \
+  -H "Authorization: Bearer $TOKEN"
+```
+
+4. Refresh browser - you should see the channel
+5. Send a message
+6. Try @grimlock
+
+## Main Issues to Fix
+
+1. **WebSocket 403** - Frontend not sending auth token correctly to Socket.IO
+2. **Channel Creation UI** - Add button in sidebar to create channels from browser
+
+See DEPLOYMENT_STATUS.md for complete details!