feat: add Ollama proxy timeouts, SSH key migration, polish skills, and demo content

- Update all skill SSH commands from sshpass to key-based auth (~/.ssh/archipelago-deploy)
- Add proxy_connect_timeout 120s to nginx Ollama location blocks
- Add new polish/sweep skills for overnight automation
- Add demo content (documents, photos) for demo stack
- Add .ssh/ to .gitignore

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

demo/content/documents/backup-log.json

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+{
+  "backups": [
+    {
+      "id": "bkp-2025-03-01",
+      "timestamp": "2025-03-01T02:00:00Z",
+      "type": "full",
+      "apps": ["bitcoin-knots", "lnd", "mempool", "nextcloud"],
+      "size_mb": 2340,
+      "status": "success",
+      "encrypted": true,
+      "destination": "local-usb"
+    },
+    {
+      "id": "bkp-2025-02-15",
+      "timestamp": "2025-02-15T02:00:00Z",
+      "type": "incremental",
+      "apps": ["bitcoin-knots", "lnd"],
+      "size_mb": 156,
+      "status": "success",
+      "encrypted": true,
+      "destination": "local-usb"
+    },
+    {
+      "id": "bkp-2025-02-01",
+      "timestamp": "2025-02-01T02:00:00Z",
+      "type": "full",
+      "apps": ["bitcoin-knots", "lnd", "mempool", "nextcloud", "vaultwarden"],
+      "size_mb": 2890,
+      "status": "success",
+      "encrypted": true,
+      "destination": "local-usb"
+    }
+  ],
+  "schedule": {
+    "full": "1st of month, 02:00 UTC",
+    "incremental": "15th of month, 02:00 UTC"
+  },
+  "retention": "6 months"
+}

demo/content/documents/bitcoin-whitepaper-notes.md

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+# Bitcoin Whitepaper Notes
+
+## Key Concepts
+
+### Peer-to-Peer Electronic Cash
+- No trusted third party needed
+- Double-spending solved via proof-of-work
+- Longest chain = truth
+
+### Proof of Work
+- SHA-256 based hashing
+- Difficulty adjusts every 2016 blocks (~2 weeks)
+- Incentive: block reward + transaction fees
+
+### Network
+- Nodes broadcast transactions
+- Miners collect into blocks
+- Blocks are chained via hash references
+
+## My Thoughts
+- The 21M supply cap is genius - digital scarcity
+- Lightning Network solves the scaling concern
+- Self-custody is the whole point
+
+## Reading List
+- [ ] Mastering Bitcoin - Andreas Antonopoulos
+- [ ] The Bitcoin Standard - Saifedean Ammous
+- [ ] Programming Bitcoin - Jimmy Song

demo/content/documents/lightning-channels.csv

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+channel_id,peer_alias,capacity_sats,local_balance,remote_balance,status,opened_date
+ch_001,ACINQ,5000000,2450000,2550000,active,2024-11-15
+ch_002,WalletOfSatoshi,2000000,1200000,800000,active,2024-12-01
+ch_003,Voltage,10000000,4500000,5500000,active,2024-12-20
+ch_004,Kraken,3000000,1800000,1200000,active,2025-01-05
+ch_005,BitcoinBeach,1000000,500000,500000,active,2025-01-22
+ch_006,LNBig,8000000,3200000,4800000,active,2025-02-10
+ch_007,Breez,1500000,900000,600000,inactive,2025-02-28

demo/content/documents/node-setup-checklist.md

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+# Archipelago Node Setup Checklist
+
+## Hardware
+- [x] Intel NUC / Mini PC (16GB RAM minimum)
+- [x] 2TB NVMe SSD (for Bitcoin blockchain)
+- [x] USB drive for Archipelago installer
+- [x] Ethernet cable (recommended over WiFi)
+
+## Initial Setup
+- [x] Flash Archipelago ISO to USB
+- [x] Boot from USB, follow installer
+- [x] Set admin password
+- [x] Connect to local network
+
+## Core Apps
+- [x] Bitcoin Knots - Full node validation
+- [x] LND - Lightning Network
+- [x] Mempool Explorer - Block/tx visualizer
+- [ ] BTCPay Server - Payment processing
+- [ ] Fedimint - Federated mint
+
+## Security
+- [x] Enable 2FA (TOTP)
+- [x] Set up Tor hidden services
+- [ ] Configure Tailscale VPN for remote access
+- [ ] Back up node identity (DID)
+
+## Monitoring
+- [ ] Set up Grafana dashboards
+- [ ] Configure Uptime Kuma alerts
+- [ ] Review system logs weekly

demo/content/documents/sovereignty-manifesto.txt

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+THE SOVEREIGNTY MANIFESTO
+=========================
+
+We hold these truths to be self-evident:
+
+1. Your data belongs to you.
+   Not to corporations. Not to governments. Not to platforms.
+   To you.
+
+2. Your money should be uncensorable.
+   No one should have the power to freeze your funds,
+   reverse your transactions, or inflate away your savings.
+
+3. Your communications should be private.
+   End-to-end encryption is a right, not a feature.
+   Metadata collection is surveillance.
+
+4. Your compute should be sovereign.
+   Running your own server is not paranoia.
+   It's digital self-reliance.
+
+5. Your identity should be self-issued.
+   You don't need permission from a corporation
+   to prove who you are.
+
+---
+
+The tools exist. Bitcoin. Lightning. Tor. Nostr.
+Self-hosted infrastructure. Open source software.
+
+The question isn't whether it's possible.
+The question is whether you'll do it.
+
+Run your own node.
+Hold your own keys.
+Own your own data.
+Be sovereign.

demo/content/photos/bitcoin-conference-2024.svg

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+<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="800" viewBox="0 0 1200 800">
+  <defs>
+    <linearGradient id="bg" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#1a1a2e;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#16213e;stop-opacity:1" />
+    </linearGradient>
+  </defs>
+  <rect width="1200" height="800" fill="url(#bg)"/>
+  <text x="600" y="380" text-anchor="middle" font-family="Arial" font-size="32" fill="rgba(255,255,255,0.6)">bitcoin-conference-2024</text>
+  <text x="600" y="430" text-anchor="middle" font-family="Arial" font-size="16" fill="rgba(255,255,255,0.3)">Demo Photo Placeholder</text>
+</svg>

demo/content/photos/home-server-build.svg

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+<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="800" viewBox="0 0 1200 800">
+  <defs>
+    <linearGradient id="bg" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#1a1a2e;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#16213e;stop-opacity:1" />
+    </linearGradient>
+  </defs>
+  <rect width="1200" height="800" fill="url(#bg)"/>
+  <text x="600" y="380" text-anchor="middle" font-family="Arial" font-size="32" fill="rgba(255,255,255,0.6)">home-server-build</text>
+  <text x="600" y="430" text-anchor="middle" font-family="Arial" font-size="16" fill="rgba(255,255,255,0.3)">Demo Photo Placeholder</text>
+</svg>

demo/content/photos/lightning-network-visualization.svg

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+<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="800" viewBox="0 0 1200 800">
+  <defs>
+    <linearGradient id="bg" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#1a1a2e;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#16213e;stop-opacity:1" />
+    </linearGradient>
+  </defs>
+  <rect width="1200" height="800" fill="url(#bg)"/>
+  <text x="600" y="380" text-anchor="middle" font-family="Arial" font-size="32" fill="rgba(255,255,255,0.6)">lightning-network-visualization</text>
+  <text x="600" y="430" text-anchor="middle" font-family="Arial" font-size="16" fill="rgba(255,255,255,0.3)">Demo Photo Placeholder</text>
+</svg>

demo/content/photos/node-rack-setup.svg

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+<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="800" viewBox="0 0 1200 800">
+  <defs>
+    <linearGradient id="bg" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#1a1a2e;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#16213e;stop-opacity:1" />
+    </linearGradient>
+  </defs>
+  <rect width="1200" height="800" fill="url(#bg)"/>
+  <text x="600" y="380" text-anchor="middle" font-family="Arial" font-size="32" fill="rgba(255,255,255,0.6)">node-rack-setup</text>
+  <text x="600" y="430" text-anchor="middle" font-family="Arial" font-size="16" fill="rgba(255,255,255,0.3)">Demo Photo Placeholder</text>
+</svg>

demo/content/photos/sunset-from-balcony.svg

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+<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="800" viewBox="0 0 1200 800">
+  <defs>
+    <linearGradient id="bg" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#1a1a2e;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#16213e;stop-opacity:1" />
+    </linearGradient>
+  </defs>
+  <rect width="1200" height="800" fill="url(#bg)"/>
+  <text x="600" y="380" text-anchor="middle" font-family="Arial" font-size="32" fill="rgba(255,255,255,0.6)">sunset-from-balcony</text>
+  <text x="600" y="430" text-anchor="middle" font-family="Arial" font-size="16" fill="rgba(255,255,255,0.3)">Demo Photo Placeholder</text>
+</svg>