frontend-patterns/research/evolution/cycles/2026-09-27-zulip-target-lookup-effort.json
tegwick fad8abdc2c Record LEARN-0017: traced Zulip target-lookup/anchor guard gap (corroboration)
Second cycle in comparison group B-independent-navigation-source-v1, a
naturally-motivated follow-up to LEARN-0014's ZN07 finding rather than a
manufactured repetition. Traces the target-message lookup and anchor-
navigation fetch continuation to their unconditional completion points in
message_fetch.ts: neither participates in the opt-in current-list-identity
guard used elsewhere in the same file, and no located test covers a
stale-navigation scenario. No reproduction or defect claim; static source
read only. CAND-0009/CAND-0010 evidence and gaps updated accordingly.

Declined to reopen the paused local navigation fixture to force a third
cycle in an existing group, per the prior agreed pause and WP-0006 T03's
own rule against manufacturing cycles to hit a count.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

Assistant: claude-code
Assistant-Model: sonnet
Assistant-Process: 290719@bnt-lap001
Assistant-Session: 55cbe504-1bfe-4932-b761-29016523c87b
2026-09-27 23:21:02 +02:00

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{
"research_minutes": null,
"execution_minutes": null,
"reported_tokens": null,
"cost_usd": null,
"status": "complete",
"end_utc": "2026-09-27T21:18:08Z",
"method": "No wall-clock timer was started before inspection began; effort is left unknown rather than estimated from tool-call count, token usage or elapsed session time.",
"excluded": "Preregistration commit, repository-check subprocesses (make evolution-check evolution-test schema-test), final receipt/commit/sync administration.",
"budget": "Four-file cap, same tier as LEARN-0014; no expansion beyond the two flagged call paths and their two test files."
}