[Bug] Tool Integration: Missing Context Fullness Assessment Tool in Claude Code Harness

Bug Description
I wanted to equip Fable 5 ultracode with a tool to assess its own context-fullness. I'm gauging Fable right now against my own product repository, and of course it runs into limits pretty fast. We've already established a self-triggered continuation method to be able to long-run despite the limit hits. It's a wake-up-by-timer timed to go right upon limit reset. He used a helper script for that, to parse the exact time from /usage API. That works.
Now this new addition, the context-fullness check, inspired by that script, is what tripped the "Mythos-meter". Claude itself has self-reported that such a tool/capability is missing from the harness, and I wanted to have a small .sh for it that he can use as reliable source for this metric. He wrote the script, did some token magic in it, which tripped the cybersecurity fuse.

Environment Info

• Platform: darwin
• Terminal: intellij
• Version: 2.1.170
• Feedback ID: 487b94d7-71e3-403e-9987-5cdc5c4071b8

Errors

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