feat(remote-speakers): enhance remote speaker management and API integration

- Added support for remote speaker configuration in the README and documentation.
- Implemented a new endpoint for retrieving the bundle signing public key.
- Updated the `evobgp-agent` to include a `serve` command for Panel→Node sync API.
- Enhanced CI workflow to validate remote speaker compose files.
- Introduced new fields in the API and UI for managing speaker metadata, including dispatch status and sync status.
- Improved error handling and response formatting in speaker-related API endpoints.
- Updated documentation to reflect changes in remote speaker functionality and usage guidelines.

scripts/sync-bundle.sh

@@ -0,0 +1,35 @@
+#!/bin/sh
+# Fallback polling: pull → verify → apply signed bundle (profile fallback).
+set -eu
+
+INTERVAL="${EVOBGP_SYNC_INTERVAL_SEC:-300}"
+BASE="${EVOBGP_CONTROL_PLANE_URL:?EVOBGP_CONTROL_PLANE_URL required}"
+TOKEN="${EVOBGP_NODE_TOKEN:?EVOBGP_NODE_TOKEN required}"
+SPEAKER="${EVOBGP_SPEAKER_ID:?EVOBGP_SPEAKER_ID required}"
+PUB="${EVOBGP_BUNDLE_PUBKEY_BASE64:?EVOBGP_BUNDLE_PUBKEY_BASE64 required}"
+EXTRACT="/etc/bird"
+BUNDLE="/tmp/evobgp-bundle.tar.gz"
+SOCKET="${EVOBGP_BIRDC_SOCKET:-/run/bird/bird.ctl}"
+
+sync_once() {
+  evobgp-node pull-bundle \
+    -base-url "$BASE" \
+    -token "$TOKEN" \
+    -speaker-id "$SPEAKER" \
+    -o "$BUNDLE" || return 1
+  evobgp-node apply-bundle \
+    -f "$BUNDLE" \
+    -extract-dir "$EXTRACT" \
+    -pubkey-base64 "$PUB" \
+    -socket "$SOCKET"
+}
+
+echo "sync-bundle: polling every ${INTERVAL}s speaker=${SPEAKER}"
+while true; do
+  if sync_once; then
+    echo "sync-bundle: ok $(date -u +%Y-%m-%dT%H:%M:%SZ)"
+  else
+    echo "sync-bundle: failed $(date -u +%Y-%m-%dT%H:%M:%SZ)" >&2
+  fi
+  sleep "$INTERVAL"
+done