test(home): cover the probe unit helpers (jobsManagerReady, machineCapacity, realSignIn, realRememberedClient)

[LukasWodka]

More of the coverage-audit "free batch" — existing fakes/config fixtures, no production changes.

• jobsManagerReady (0%): prefixed+ready, zero-replicas, unprefixed legacy fallback, absent, nil-release.
• machineCapacity (0%): Ready node → compute; node-list error → ok=false.
• realSignIn (60%): the signed-in success return (email + first name).
• realRememberedClient (0%): provisioned keys on the cached namespace; display name falls back to the client ID.

make ci green.

🤖 Generated with Claude Code

---

Note

Low Risk
Test-only additions with no runtime or production behavior changes.

Overview
Adds internal/cli/home_probe_helpers_test.go with unit tests for home-screen probe helpers in home.go, using fake Kubernetes clientsets and isolated config dirs via TRACEBLOC_CONFIG_DIR. No production code changes.

jobsManagerReady — prefixed deployment with ready replicas, zero replicas, legacy unprefixed jobs-manager, missing deployment, and nil release still checking the unprefixed name.

machineCapacity — a Ready node yields compute with ok=true; a failed node list returns ok=false.

realSignIn — empty config is not signed in; a saved profile with token returns email and first name.

realRememberedClient — provisioned when ActiveClientNamespace is set; display name from ActiveClientName or fallback to ActiveClientID; no namespace means not provisioned.

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[LukasWodka]

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[saadqbal]

LGTM 👍 All four probe helpers check out — the jobsManagerReady prefixed/legacy/nil-release fallback and the namespace-gates-provisioned + name→ID fallback in realRememberedClient are the fiddly ones and they're pinned correctly.