feat: complete AIUI integration — all 31 overnight tasks

- Protocol: 10 context categories (apps, system, network, bitcoin, media, files, notes, search, ai-local, wallet)
- ContextBroker: real data wiring for all categories with sanitization
- Permissions: user toggles for all categories in Settings
- Nginx: Claude API, OpenRouter, SearXNG proxy pass-through
- Actions: launch-app, search-web, install-app handlers
- Chat.vue: loading state + connection indicator
- Integration test page: test-aiui.html

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

.claude/skills/sync-configs/SKILL.md

@@ -0,0 +1,24 @@
+---
+name: sync-configs
+description: Sync system configs from live server to repo for ISO builds
+disable-model-invocation: true
+allowed-tools: Bash, Read
+---
+
+Sync system configuration files from the live server back to the repo for ISO builds.
+
+## Steps
+
+1. **Capture systemd service**:
+   ```bash
+   sshpass -p 'EwPDR8q45l0Upx@' ssh -o StrictHostKeyChecking=no archipelago@192.168.1.228 'sudo cat /etc/systemd/system/archipelago.service' > image-recipe/configs/archipelago.service
+   ```
+
+2. **Capture nginx config**:
+   ```bash
+   sshpass -p 'EwPDR8q45l0Upx@' ssh -o StrictHostKeyChecking=no archipelago@192.168.1.228 'sudo cat /etc/nginx/sites-available/archipelago' > image-recipe/configs/nginx-archipelago.conf
+   ```
+
+3. **Capture any custom scripts** in `/opt/archipelago/scripts/` if they've changed.
+
+4. After syncing, read the captured files and verify they look correct. These configs are used by the ISO build to create new installations.