scripts: add auth management and Termux widget scripts

scripts/README-termux-auth.md

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+# Clawdbot Auth Management Scripts
+
+## Current Setup (Jan 2025)
+
+Using `claude setup-token` for **1-year long-lived token**. No daily re-auth needed.
+
+- **Token expires**: January 9, 2027
+- **Check status**: `./claude-auth-status.sh`
+
+## Scripts
+
+| Script | Purpose |
+|--------|---------|
+| `claude-auth-status.sh` | Check Claude Code + Clawdbot auth status |
+| `mobile-reauth.sh` | Guided re-auth (only needed annually now) |
+| `auth-monitor.sh` | Cron-able expiry monitor with notifications |
+| `termux-quick-auth.sh` | Termux widget - one-tap status check |
+| `termux-auth-widget.sh` | Termux widget - full guided re-auth flow |
+| `setup-auth-system.sh` | Interactive setup wizard |
+
+## Quick Commands
+
+```bash
+# Check auth status
+~/clawdbot/scripts/claude-auth-status.sh
+
+# Sync Claude Code token to Clawdbot
+clawdbot doctor --yes
+
+# Renew long-lived token (run in terminal, not Claude Code)
+claude setup-token
+```
+
+## Termux Widget Setup (if needed)
+
+1. Install Termux + Termux:Widget from F-Droid
+2. Create shortcuts dir: `mkdir -p ~/.shortcuts`
+3. Copy widget script:
+   ```bash
+   scp l36:~/clawdbot/scripts/termux-quick-auth.sh ~/.shortcuts/ClawdAuth
+   chmod +x ~/.shortcuts/ClawdAuth
+   ```
+4. Set server: `echo 'export CLAWDBOT_SERVER=l36' >> ~/.bashrc`
+5. Add Termux:Widget to home screen
+
+## How It Works
+
+1. `claude setup-token` creates a 1-year token in `~/.claude/.credentials.json`
+2. `clawdbot doctor --yes` syncs it to `~/.clawdbot/agents/main/agent/auth-profiles.json`
+3. Clawdbot uses the `anthropic:claude-cli` profile automatically
+
+## Troubleshooting
+
+```bash
+# Check what's happening
+~/clawdbot/scripts/claude-auth-status.sh full
+
+# Force sync from Claude Code
+clawdbot doctor --yes
+
+# If token expired (annually), run in terminal:
+claude setup-token
+```