Add service autoscaling

[techulus-agent]

Summary

• add fixed-versus-autoscaled replica policy with a 1–32 range and fixed 60% CPU/memory targets
• emit strict per-deployment CPU and memory metrics and calculate conservative service-wide recommendations
• run a bounded one-minute autoscaling controller through existing immutable revisions and full-fleet rollouts
• expose autoscaling in the dashboard, public API, and documentation

Basecamp: https://app.basecamp.com/5890597/buckets/47439993/todos/10100792154

Verification

• cd web && pnpm test — 405 tests passed
• cd web && ./node_modules/.bin/tsc --noEmit
• cd agent && go test -race ./internal/container ./internal/metrics
• cd agent && go build ./...
• cd agent && gofmt -l .

cd agent && go test ./... still has the pre-existing failure in internal/registryauth.TestManagerInstallDirtyAndPermissions (cached generation unavailable after restart).

Manual verification pending

• validate Podman .CPUNano / .SystemNano template output and recent CPU-core values on an agent host
• exercise sustained scale-up/down, downscale stabilization, failed replacement preservation, and the 32-replica capacity case

Operational note

Apply the Drizzle schema changes before enabling the one-minute controller cron.

[mintlify]

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Project	Status	Preview	Updated (UTC)
techulus-cloud	🟢 Ready	View Preview	Aug 2, 2026, 11:49 PM

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[github-actions]

React Doctor found no issues. 🎉

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_{Reviewed by React Doctor for commit 2e19cc6.}