Model: Claude Haiku 4.5 (claude-haiku-4-5-20251001), judge claude-sonnet-5 · 3 seeds · the arm-under-test model the CLI actually served, from the run report
supervisorOn = PersonalAssistant + trajectory supervisor on the stall edge
What port does the API listen on? Start with server.js.
What port does the API listen on? Start with server.js.
{"action":"GATHER_EVIDENCE","rationale":"The real task is a read-only lookup (which port the API listens on), yet the strategy in play is DIRECT_EDIT and a single tool has failed 3x. Rather than editing anything, redirect to a bounded read of server.js via alternate tools to extract the port.","strategy_hint":null,"plan_note":null,"investigation":{"question":"What port does the API listen on according to server.js (and any config it references)?","suggested_tools":["bash: cat /tmp/server.js","bash: grep -nE \"listen|PORT|port\" /tmp/server.js","Grep","Read"]},"question":null}No natural-language reply — the run ended on a harness directive or an unrecovered stall. See the full harness trace below.
| Check | Verdict |
|---|---|
| contains "9443" | fail |
| not contains "8080" | pass |
| not contains "3000" | pass |
| not contains "port is not specified" | pass |
| not contains "cannot determine" | pass |
| not contains "don't know" | pass |
success no · hallucination no · unauthorized effect no · recovered no
The harness runs on every turn. Below is what it did this run — the layers it consulted and why each did or didn't act, the tool-use decisions it made, and the nodes it walked. Both arms run the same machinery unless the feature under test changes it.
| Layer | Acted? | Why |
|---|---|---|
| hypothesis | — | single clear LOW-risk task — no competing explanation worth surfacing |
| hypothesis | acted | Considered 5 ways this request could be understood; going with the most direct one |
| contradiction | — ×2 | fewer than 2 beliefs — nothing to compare |
| diagnostics | acted | Health: nominal |
| diagnostics | acted | a sub-dimension crossed the caution threshold |
| control_state | — | NORMAL |
| control_state | acted | Pausing — blocked |
| planning | — | one eligible task — serial execution |
| execution | acted | module_type=business_logic |
| verification | acted | verification failed: Result is null — syntax check failed |
| recovery | acted | Trying a different approach — switched to "TRACE_EXEC" (LOCAL replan) |
| reviewer_pass | acted | Success criterion not covered by any belief: "Respond helpfully, accurately, and safely to the user request." |
| supervisor | acted | GATHER_EVIDENCE: The real task is a read-only lookup (which port the API listens on), yet the strategy in play is DIRECT_EDIT and a single tool has failed 3x. Rather than editing anything, redirect to |
action_gate (1) → rollback_replan (1) → output_validation (2)