feat(047): cut idle CPU 92% — scanner cache + SSE payload embed + coa… #216

Job	Run time
generate-notes	15s
build (macos-15, darwin, arm64, 1, mcpproxy-darwin-arm64, tar.gz)	5m 1s
build (windows-latest, windows, arm64, 1, mcpproxy-windows-arm64.exe, zip)	3m 31s
build (windows-latest, windows, amd64, 1, mcpproxy-windows-amd64.exe, zip)	5m 27s
build (ubuntu-latest, linux, amd64, 0, mcpproxy-linux-amd64, tar.gz)	1m 16s
build (ubuntu-latest, linux, arm64, 0, mcpproxy-linux-arm64, tar.gz)	1m 42s
build (macos-15, darwin, amd64, 1, mcpproxy-darwin-amd64, tar.gz)	5m 57s
sign-windows (amd64)	1h 1m 32s
sign-windows (arm64)	1h 1m 28s
build-docker	0s
release	0s
update-homebrew	0s
deploy-docs	0s
Publish to MCP Registry	0s
publish-linux-repos	0s
trigger-marketing-update	0s
	2h 26m 9s

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