feat(claude): render a custom status line alongside Orca's

[sha1n]

Summary

Orca keeps replacing the Claude Code status line in the user settings. A claude shell function now injects a custom status line through --settings, and its wrapper still forwards each update to Orca so Orca's usage display keeps working.

Changes

• Add tests for the wrapper's rendering, its forwarding to Orca, and the claude settings injection
• Add the status line renderer, the Orca-forwarding wrapper, and the claude function

Review notes

• Forwarding depends on Orca's script path and on it reading stdin; neither is a documented contract
• claude now needs jq at startup (it is in the essentials profile)
• Not yet checked in a live Orca pane that --settings overrides Orca's status line

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