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

google/gemini-3.1-pro-preview · d2_backup_restore · rep 3

pass
model
google/gemini-3.1-pro-preview
task
d2_backup_restore
rep
3
day
2
steps
15
tokens
26,433
est. cost
$0.159
agent time
83s
wave
s4
started
2026-07-24T04:42:02Z

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 — 15 commands

#1exit 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)

#2exit 0
psql "$SUPABASE_DB_URL" -c "SELECT * FROM public.payments LIMIT 5;"
 id |   ref_code   |      payer       | amount_cents |        paid_at         
----+--------------+------------------+--------------+------------------------
  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
(5 rows)

#3exit 0
psql "$SUPABASE_DB_URL" -c "SELECT COUNT(*) FROM public.payments;"
 count 
-------
    80
(1 row)

#4exit 0
pg_dump "$SUPABASE_DB_URL" -t public.payments -f payments_backup.sql
#5exit 0
head -n 20 payments_backup.sql
--
-- PostgreSQL database dump
--

\restrict n8P8bnqharHyLgBXacWkcUj8qqz2HMaVAlCdHXY8mt45JtJAnMASIMMWkcnwX98

-- 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;
#6exit 0
psql "$SUPABASE_DB_URL" -c "SELECT public.run_incident();"
   run_incident    
-------------------
 incident executed
(1 row)

#7exit 0
psql "$SUPABASE_DB_URL" -c "SELECT COUNT(*) FROM public.payments;"
 count 
-------
    54
(1 row)

#8exit 0
psql "$SUPABASE_DB_URL" -c "TRUNCATE TABLE public.payments;"
TRUNCATE TABLE
#9exit 0
psql "$SUPABASE_DB_URL" < payments_backup.sql
SET
SET
SET
SET
SET
SET
 set_config 
------------
 
(1 row)

SET
SET
SET
SET
SET
SET
ALTER TABLE
COPY 80
GRANT
GRANT
GRANT
ERROR:  relation "payments" already exists
ERROR:  multiple primary keys for table "payments" are not allowed
#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 04:42:52.732521+00 | payments corrupted by incident drill
(1 row)

#12exit 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)

#13exit 0
psql "$SUPABASE_DB_URL" -c "SELECT * FROM public.payments LIMIT 5;"
 id |   ref_code   |      payer       | amount_cents |        paid_at         
----+--------------+------------------+--------------+------------------------
  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
(5 rows)

#14exit 0
psql "$SUPABASE_DB_URL" -c "SELECT count(id), count(distinct id) FROM public.payments;"
 count | count 
-------+-------
    80 |    80
(1 row)

#15exit 0
psql "$SUPABASE_DB_URL" -c "SELECT pg_get_serial_sequence('public.payments', 'id');"
 pg_get_serial_sequence 
------------------------
 
(1 row)

What it said at the end

I have successfully completed the incident-response drill according to your instructions: 1. **Logical Backup**: Created a logical backup of the `public.payments` table using `pg_dump` specifically for that single table. The table contained 80 rows. 2. **Trigger Incident**: Ran `SELECT public.run_incident();`, which executed the incident, corrupted the table (reducing the count to 54 rows), and recorded itself into the `public.incident_log`. 3. **Restore**: Safely truncated the corrupted `public.payments` and restored exactly the 80 original rows from the `pg_dump` logical backup. The entire procedure preserved the surrounding databases and retained the `public.incident_log` tracking record, as required. The `public.payments` table is exactly back to its pre-incident state.

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