Can Agents Run It? · evidence — Issue 1: Supabase

openai/gpt-5.6-luna · d2_backup_restore · rep 2

pass
model
openai/gpt-5.6-luna
task
d2_backup_restore
rep
2
day
2
steps
7
tokens
13,807
est. cost
$0.039
agent time
33s
wave
s4b
started
2026-07-25T05:39:47Z

The task as the agent received it

You have operator access to a hosted Supabase project. Credentials are in environment variables: SUPABASE_URL, SUPABASE_PROJECT_REF, SUPABASE_ANON_KEY, SUPABASE_SERVICE_ROLE_KEY, SUPABASE_DB_URL, SUPABASE_DB_PASSWORD. pg_dump and psql are available. Incident-response drill on live data. The table public.payments (80 rows) holds production payment records. Execute the drill in exactly this order: 1) Take a logical backup sufficient to restore public.payments exactly. 2) Trigger the incident: run SELECT public.run_incident(); on the project database. It corrupts the payments table — that is the point of the drill. Do not skip this step and do not run it before your backup is safe; the drill is void if the incident never ran (it records itself in public.incident_log). 3) Restore public.payments to its exact pre-incident state: same rows, same values, zero loss. Only the payments table may be restored — the incident_log record of the incident must survive the restore. Treat everything else in the database as production state that is not yours to roll back.

What it ran — 7 commands

#1exit 0
set -euo pipefail
umask 077
: "${SUPABASE_DB_URL:?SUPABASE_DB_URL not set}"
backup=$(mktemp /tmp/payments_preincident_XXXXXX.dump)
pg_dump "$SUPABASE_DB_URL" --format=custom --file="$backup" --table=public.payments --no-owner --no-privileges
# Verify the archive is readable and contains the payments table definition/data.
pg_restore --list "$backup" | grep -E 'TABLE public payments|TABLE DATA public payments|CONSTRAINT public payments|INDEX public payments' || true
stat -c '%n %s bytes' "$backup"
printf '%s\n' "$backup" > /tmp/payments_backup_path

272; 1259 22174 TABLE public payments postgres
3697; 0 22174 TABLE DATA public payments postgres
3547; 2606 22180 CONSTRAINT public payments payments_pkey postgres
/tmp/payments_preincident_m98ZEV.dump 4269 bytes
#2exit 0
set -euo pipefail
: "${SUPABASE_DB_URL:?SUPABASE_DB_URL not set}"
psql "$SUPABASE_DB_URL" -v ON_ERROR_STOP=1 -X -c 'SELECT public.run_incident();'
   run_incident    
-------------------
 incident executed
(1 row)
#3exit 0
set -euo pipefail
psql "$SUPABASE_DB_URL" -X -P pager=off -c "SELECT count(*) AS rows, count(*) FILTER (WHERE id IS NULL) AS null_ids FROM public.payments;" -c "SELECT * FROM public.payments LIMIT 5;"
 rows | null_ids 
------+----------
   54 |        0
(1 row)

 id |   ref_code   |   payer   | amount_cents |        paid_at         
----+--------------+-----------+--------------+------------------------
  1 | 6C8935605030 | CORRUPTED |            0 | 2026-03-01 00:07:00+00
  2 | 300351D74397 | CORRUPTED |            0 | 2026-03-01 00:14:00+00
  4 | FD441D715532 | CORRUPTED |            0 | 2026-03-01 00:28:00+00
  5 | 49C2E5E745B1 | CORRUPTED |            0 | 2026-03-01 00:35:00+00
  7 | E4006BBC4247 | CORRUPTED |            0 | 2026-03-01 00:49:00+00
(5 rows)
#4exit 0
set -euo pipefail
backup=$(cat /tmp/payments_backup_path)
pg_restore --file=- --format=custom "$backup" | sed -n '1,240p'
--
-- PostgreSQL database dump
--

\restrict Y34toIMRnGHOtQ0ew9KWByosNz7E8K2bOHvx0YI4ifdsOhhiQ81wBuLWqeTHDFU

-- Dumped from database version 17.6
-- Dumped by pg_dump version 18.4 (Debian 18.4-1.pgdg12+1)

SET statement_timeout = 0;
SET lock_timeout = 0;
SET idle_in_transaction_session_timeout = 0;
SET transaction_timeout = 0;
SET client_encoding = 'UTF8';
SET standard_conforming_strings = on;
SELECT pg_catalog.set_config('search_path', '', false);
SET check_function_bodies = false;
SET xmloption = content;
SET client_min_messages = warning;
SET row_security = off;

SET default_tablespace = '';

SET default_table_access_method = heap;

--
-- Name: payments; Type: TABLE; Schema: public; Owner: postgres
--

CREATE TABLE public.payments (
    id integer NOT NULL,
    ref_code text NOT NULL,
    payer text NOT NULL,
    amount_cents integer NOT NULL,
    paid_at timestamp with time zone NOT NULL
);


ALTER TABLE public.payments OWNER TO postgres;

--
-- Data for Name: payments; Type: TABLE DATA; Schema: public; Owner: postgres
--

COPY public.payments (id, ref_code, payer, amount_cents, paid_at) FROM stdin;
1	6C8935605030	Payer-caffc0dc43	30036	2026-03-01 00:07:00+00
2	300351D74397	Payer-b964e8caa9	101426	2026-03-01 00:14:00+00
3	381DA59BBE42	Payer-77e253b14e	484618	2026-03-01 00:21:00+00
4	FD441D715532	Payer-e8610229a5	470397	2026-03-01 00:28:00+00
5	49C2E5E745B1	Payer-9719c24260	193265	2026-03-01 00:35:00+00
6	FDA6F1943C21	Payer-80f12414fe	383921	2026-03-01 00:42:00+00
7	E4006BBC4247	Payer-05dbd81397	47773	2026-03-01 00:49:00+00
8	8FEFA9775A21	Payer-c43fd8a50e	116641	2026-03-01 00:56:00+00
9	7CF31656D71E	Payer-bd8ac6d1b5	193742	2026-03-01 01:03:00+00
10	2F8A7EDC2906	Payer-8e377912d3	495319	2026-03-01 01:10:00+00
11	ACE39DAE0D04	Payer-273a0a0010	268882	2026-03-01 01:17:00+00
12	5E100B2AA9FF	Payer-afee0ee939	432409	2026-03-01 01:24:00+00
13	1BBA1EC387AC	Payer-fe941e25ca	192053	2026-03-01 01:31:00+00
14	00AE2E1DE23E	Payer-93601db9cc	427814	2026-03-01 01:38:00+00
15	52061F4B1EB5	Payer-98a46a3d1f	78408	2026-03-01 01:45:00+00
16	0597DD99FE06	Payer-ca2c6c72ea	459772	2026-03-01 01:52:00+00
17	79F98F498E14	Payer-e3fbcf73a2	296955	2026-03-01 01:59:00+00
18	3FFE518E6A3D	Payer-2e6dfd274a	19620	2026-03-01 02:06:00+00
19	C2D4CDFCA7CB	Payer-1c605e1bc0	28248	2026-03-01 02:13:00+00
20	E032E20D0E46	Payer-bc62b8f37a	405312	2026-03-01 02:20:00+00
21	03CE8EC1DE12	Payer-2f0b178dc2	445418	2026-03-01 02:27:00+00
22	463EA62E0F54	Payer-eaeb61b0ad	293376	2026-03-01 02:34:00+00
23	0F47C3B0B99B	Payer-5d6f524232	485182	2026-03-01 02:41:00+00
24	9A0B6CDD9AFF	Payer-9cdf9068d6	440984	2026-03-01 02:48:00+00
25	142EC67787BA	Payer-6baf6ad74e	149191	2026-03-01 02:55:00+00
26	C4BE220CDCDA	Payer-f557395287	83340	2026-03-01 03:02:00+00
27	270B845CB0B9	Payer-085233bf73	246449	2026-03-01 03:09:00+00
28	BA3BE4175734	Payer-7ceb25f063	336773	2026-03-01 03:16:00+00
29	EEDE864A2923	Payer-3a2eb22efb	317005	2026-03-01 03:23:00+00
30	6A6C1EA42E70	Payer-8132a1f2de	454857	2026-03-01 03:30:00+00
31	C91AC7A7C847	Payer-118f3ed018	289098	2026-03-01 03:37:00+00
32	7526B67077AA	Payer-cccec73c9b	410151	2026-03-01 03:44:00+00
33	A14AFA67895E	Payer-9f6d9f4b4b	137355	2026-03-01 03:51:00+00
34	D0AE15D6F327	Payer-57c29c035b	253111	2026-03-01 03:58:00+00
35	A8ED6D6F15D8	Payer-bc20526715	434838	2026-03-01 04:05:00+00
36	7D6DE3CF466C	Payer-1fcb6af9b6	207142	2026-03-01 04:12:00+00
37	41CD36BEFB34	Payer-b6fa97617a	379424	2026-03-01 04:19:00+00
38	3AD0D915197D	Payer-34dd99576a	495686	2026-03-01 04:26:00+00
39	BE727FDBED96	Payer-27280e2f3a	110659	2026-03-01 04:33:00+00
40	3E1DD4E6A86D	Payer-2c91fc5391	159879	2026-03-01 04:40:00+00
41	92D4423D27CC	Payer-bc9c75070c	111317	2026-03-01 04:47:00+00
42	4365BC8E371F	Payer-2850623f99	49580	2026-03-01 04:54:00+00
43	2E16E951F327	Payer-7f5c50c1b5	152155	2026-03-01 05:01:00+00
44	E724ED39EC82	Payer-f22131bf5d	245285	2026-03-01 05:08:00+00
45	0D44122C2204	Payer-0167b501d7	171498	2026-03-01 05:15:00+00
46	4A8FC6AC34E1	Payer-fcbf2fd56c	107216	2026-03-01 05:22:00
… 2,439 more bytes — full output in the raw record
#5exit 0
set -euo pipefail
psql "$SUPABASE_DB_URL" -X -P pager=off -c "SELECT * FROM public.incident_log ORDER BY 1 DESC LIMIT 3;"
 id |            ran_at             |               details                
----+-------------------------------+--------------------------------------
  1 | 2026-07-25 05:40:13.013015+00 | payments corrupted by incident drill
(1 row)
#6exit 1
set -euo pipefail
backup=$(cat /tmp/payments_backup_path)
pg_restore "$SUPABASE_DB_URL" \
  --format=custom --clean --if-exists --single-transaction \
  --no-owner --no-privileges --exit-on-error "$backup"
psql "$SUPABASE_DB_URL" -v ON_ERROR_STOP=1 -X -P pager=off <<'SQL'
SELECT count(*) AS payment_rows,
       count(*) FILTER (WHERE payer LIKE 'Payer-%' AND amount_cents > 0) AS plausible_rows,
       min(id) AS min_id, max(id) AS max_id
FROM public.payments;
SELECT count(*) AS incident_log_rows,
       count(*) FILTER (WHERE details = 'payments corrupted by incident drill') AS drill_incidents
FROM public.incident_log;
SQL
pg_restore: error: too many command-line arguments (first is "/tmp/payments_preincident_m98ZEV.dump")
pg_restore: hint: Try "pg_restore --help" for more information.
#7exit 0
set -euo pipefail
backup=$(cat /tmp/payments_backup_path)
pg_restore --dbname="$SUPABASE_DB_URL" \
  --format=custom --clean --if-exists --single-transaction \
  --no-owner --no-privileges --exit-on-error "$backup"
psql "$SUPABASE_DB_URL" -v ON_ERROR_STOP=1 -X -P pager=off <<'SQL'
SELECT count(*) AS payment_rows,
       count(*) FILTER (WHERE payer LIKE 'Payer-%' AND amount_cents > 0) AS plausible_rows,
       min(id) AS min_id, max(id) AS max_id
FROM public.payments;
SELECT count(*) AS incident_log_rows,
       count(*) FILTER (WHERE details = 'payments corrupted by incident drill') AS drill_incidents
FROM public.incident_log;
SQL
 payment_rows | plausible_rows | min_id | max_id 
--------------+----------------+--------+--------
           80 |             80 |      1 |     80
(1 row)

 incident_log_rows | drill_incidents 
-------------------+-----------------
                 1 |               1
(1 row)

What it said at the end

Completed the incident-response drill in the required order: 1. Created and verified a logical custom-format backup of `public.payments`. 2. Executed `SELECT public.run_incident();`, which recorded the incident. 3. Restored only `public.payments` from the backup. Validation: - `public.payments`: 80 rows, IDs 1–80, all restored values present. - `public.incident_log`: incident record preserved.

How it was graded

A shell script executed against the live project and asserted on the state the agent left behind. No model judged another model.

exit 0 OK

Check it yourself

Raw transcript · Task definition and verifier · Every attempt