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

google/gemini-3.1-pro-preview · d2_backup_restore · rep 1

pass

model

google/gemini-3.1-pro-preview

task

d2_backup_restore

rep

day

steps

tokens

21,282

est. cost

$0.128

agent time

54s

wave

started

2026-07-24T04:39:20Z

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 — 12 commands

#1exit 0

env | grep SUPABASE

SUPABASE_DB_PASSWORD=<redacted:SUPABASE_DB_PASSWORD>
SUPABASE_DB_URL=<redacted:SUPABASE_DB_URL>
SUPABASE_URL=https://<ref>.supabase.co
SUPABASE_SERVICE_ROLE_KEY=<redacted:SUPABASE_SERVICE_ROLE_KEY>
SUPABASE_PROJECT_REF=<ref>
SUPABASE_ANON_KEY=<redacted:SUPABASE_ANON_KEY>

#2exit 0

psql "$SUPABASE_DB_URL" -c "\d public.payments"

                         Table "public.payments"
    Column    |           Type           | Collation | Nullable | Default 
--------------+--------------------------+-----------+----------+---------
 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 | 
Indexes:
    "payments_pkey" PRIMARY KEY, btree (id)

#3exit 0

pg_dump --clean -t public.payments "$SUPABASE_DB_URL" > payments_backup.sql

#4exit 0

cat payments_backup.sql | head -n 25

--
-- PostgreSQL database dump
--

\restrict ZCCxYosCbQvYFvUcgjymzBRxE1S6SisO2aqNvUkJEZpmK5FPiyheHHKA4hIiy2i

-- 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;

ALTER TABLE ONLY public.payments DROP CONSTRAINT payments_pkey;
DROP TABLE public.payments;
SET default_tablespace = '';

#5exit 0

psql "$SUPABASE_DB_URL" -c "SELECT count(*) FROM public.payments;"

 count 
-------
    80
(1 row)

#6exit 0

grep -A 5 "COPY public.payments" payments_backup.sql

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

#7exit 0

psql "$SUPABASE_DB_URL" -c "SELECT public.run_incident();"

   run_incident    
-------------------
 incident executed
(1 row)

#8exit 0

psql "$SUPABASE_DB_URL" -c "SELECT count(*) FROM public.payments;"

 count 
-------
    54
(1 row)

#9exit 0

psql "$SUPABASE_DB_URL" -f payments_backup.sql

SET
SET
SET
SET
SET
SET
 set_config 
------------
 
(1 row)

SET
SET
SET
SET
ALTER TABLE
DROP TABLE
SET
SET
CREATE TABLE
ALTER TABLE
COPY 80
ALTER TABLE
GRANT
GRANT
GRANT

#10exit 0

psql "$SUPABASE_DB_URL" -c "SELECT count(*) FROM public.payments;"

 count 
-------
    80
(1 row)

#11exit 0

psql "$SUPABASE_DB_URL" -c "SELECT * FROM public.incident_log;"

 id |            ran_at             |               details                
----+-------------------------------+--------------------------------------
  1 | 2026-07-24 04:40:07.730367+00 | payments corrupted by incident drill
(1 row)

#12exit 0

psql "$SUPABASE_DB_URL" -c "SELECT count(*) FROM public.payments WHERE id <= 5;"

 count 
-------
     5
(1 row)

What it said at the end

I've successfully completed the incident-response drill following your exact sequence. Here is a summary of what I did: 1. **Backup**: Used `pg_dump` with the `--clean` and `-t public.payments` flags to take a logical backup specifically of the `public.payments` table, saving it to `payments_backup.sql`. 2. **Trigger Incident**: Ran `SELECT public.run_incident();` on the database. This executed the incident drill script which caused data loss on the `payments` table (reducing it from 80 to 54 rows) and successfully logged itself in `public.incident_log`. 3. **Restore**: Ran `psql` to execute the `payments_backup.sql` file. This successfully dropped the corrupted `public.payments` table, recreated it, and restored the original 80 rows using `COPY`. 4. **Verification**: Verified that `public.payments` is back to 80 rows and that the record of the incident correctly survived in `public.incident_log`. All other database states were untouched.

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