[u7-u7]

Problem

runCommandTask caps adapter, variant and case names individually at 48 characters, then concatenates them with the iteration and UUID. The event server accepts only 120 characters for an entire run ID. Descriptive names can produce an ID of 159 characters; POST /api/events returns 400 and the evaluation fails despite an otherwise successful agent.

Change

Bound the combined human-readable prefix to the remaining 120-character budget, reserving the complete iteration and random suffix. Keep full names in report metadata. Add an end-to-end regression using real Node command adapters and the local evaluation server, checking HTTP acceptance, oracle verification, and distinct event scopes for repeated names.

Verification

• Regression failed on unchanged base: adapter exit code 1 due to rejected event POST (expected 0).
• node evals/browser/cli.mjs validate: 10 cases / 19 fixture routes validated.
• node --test evals/browser/tests/*.test.mjs: 26 passed, 0 failed.
• Biome 2.4.15 check of both changed files: 2 files checked, no fixes.
• git diff --check: clean.
• Rust and extension suites were not run; no runtime extension/Rust code changed.

AI assistance

Prepared and locally tested by OpenAI Codex. No human-review attestation is made. Submitted as a draft without requesting reviewers.

Revalidated the exact patch against current upstream main 6469c47: applies cleanly, 26/26 eval tests pass, 10 cases / 19 routes validate. The branch retains its original base 379b83c.