ci / vet-and-test (pull_request) Successful in 43s
Why: The plan's E4 remainder under the MiniMax-only constraint: the harness must detect the model going in circles and inject a change-of-strategy instruction (R4 - the model cannot be trusted to notice its own repeat-fail loop), and number sourcing needs addressable evidence: tool results carry [src_N|tool] tags so "found in materials" becomes "found in source src_N" for both the model and the fact-check notice. Why: Failure counting lives in one place (onEvent end, keyed by the slot status) because tool execution is parallel; the ledger and tag append are serialized by the same mutex, and escalation reminders fire once per condition streak - following the dual-speed nudge finding that MiniMax ignores vague reminders but follows concrete instructions. Evidence: go test ./... green; new anchors TestEscalationOnConsecutive ToolFailures, TestEscalationOnZeroHitSearches, TestEvidenceLedger TagsSource, TestEvidenceLedgerSkipsNonEvidenceTools. Live before/ after comparison runs on the Dev side per ruling 6. Impact: knowledge/web/tavily searches, fs_read_file and the workspace read_file/grep results now end with a source tag and enter the run ledger (2k-char head); two consecutive tool failures or two empty search results inject a concrete change-of-strategy reminder; base.deliverables v7 and agent-sub-research v3 explain the tags; fact-check notice points at src results. Non-evidence tools and failures are unchanged. Refs: proposal 2026-10-10-agent-delegation-routing-sandbox.md (E4, R4); Dev task feature/agent-e4-escalation-ledger.