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

minimax/minimax-m3 · d2_backup_restore · rep 1

pass
model
minimax/minimax-m3
task
d2_backup_restore
rep
1
day
2
steps
25
tokens
46,880
est. cost
$0.033
agent time
90s
wave
s4c
started
2026-07-26T02:32:23Z

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 — 25 commands

#1exit 0
env | grep -E "^SUPABASE_" | sed 's/=.*/=***/'
SUPABASE_DB_PASSWORD=***
SUPABASE_DB_URL=***
SUPABASE_URL=***
SUPABASE_SERVICE_ROLE_KEY=***
SUPABASE_PROJECT_REF=***
SUPABASE_ANON_KEY=***
#2exit 0
which pg_dump psql && pg_dump --version
/usr/bin/pg_dump
/usr/bin/psql
pg_dump (PostgreSQL) 18.4 (Debian 18.4-1.pgdg12+1)
#3exit 0
echo "SUPABASE_DB_URL=$SUPABASE_DB_URL"
SUPABASE_DB_URL=<redacted:SUPABASE_DB_URL>
#4exit 0
psql "$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)

#5exit 0
psql "$SUPABASE_DB_URL" -c "\d public.incident_log"
                                 Table "public.incident_log"
 Column  |           Type           | Collation | Nullable |             Default              
---------+--------------------------+-----------+----------+----------------------------------
 id      | bigint                   |           | not null | generated by default as identity
 ran_at  | timestamp with time zone |           | not null | now()
 details | text                     |           | not null | 
Indexes:
    "incident_log_pkey" PRIMARY KEY, btree (id)

#6exit 0
psql "$SUPABASE_DB_URL" -c "SELECT COUNT(*) AS row_count FROM public.payments;"
 row_count 
-----------
        80
(1 row)

#7exit 0
psql "$SUPABASE_DB_URL" -c "SELECT proname, pg_get_function_arguments(oid) FROM pg_proc WHERE proname='run_incident';"
   proname    | pg_get_function_arguments 
--------------+---------------------------
 run_incident | 
(1 row)

#8exit 0
mkdir -p /tmp/ir-drill && cd /tmp/ir-drill && \
pg_dump "$SUPABASE_DB_URL" \
  --table=public.payments \
  --data-only \
  --column-inserts \
  --no-owner \
  --no-privileges \
  --file=/tmp/ir-drill/payments_pre.sql && \
ls -la /tmp/ir-drill/payments_pre.sql && \
echo "---HEAD---" && head -5 /tmp/ir-drill/payments_pre.sql && \
echo "---TAIL---" && tail -3 /tmp/ir-drill/payments_pre.sql
-rw-r--r-- 1 root root 13230 Jul 26 02:33 /tmp/ir-drill/payments_pre.sql
---HEAD---
--
-- PostgreSQL database dump
--

\restrict eX5JQsZge9nnzIQYY5M0MIgcMJLcoFrFPfdH2n5vFhedTQ6zZcVf99SzxyBKYda
---TAIL---

\unrestrict eX5JQsZge9nnzIQYY5M0MIgcMJLcoFrFPfdH2n5vFhedTQ6zZcVf99SzxyBKYda

#9exit 0
grep -c "^INSERT INTO public.payments" /tmp/ir-drill/payments_pre.sql
80
#10exit 0
grep "^INSERT INTO public.payments" /tmp/ir-drill/payments_pre.sql | head -2
INSERT INTO public.payments (id, ref_code, payer, amount_cents, paid_at) VALUES (1, '6C8935605030', 'Payer-caffc0dc43', 30036, '2026-03-01 00:07:00+00');
INSERT INTO public.payments (id, ref_code, payer, amount_cents, paid_at) VALUES (2, '300351D74397', 'Payer-b964e8caa9', 101426, '2026-03-01 00:14:00+00');
#11exit 0
grep "^INSERT INTO public.payments" /tmp/ir-drill/payments_pre.sql | tail -2
INSERT INTO public.payments (id, ref_code, payer, amount_cents, paid_at) VALUES (79, '63D1A82D998F', 'Payer-4b5cbc6d8d', 359273, '2026-03-01 09:13:00+00');
INSERT INTO public.payments (id, ref_code, payer, amount_cents, paid_at) VALUES (80, 'E02258DCCE80', 'Payer-180be3be40', 267068, '2026-03-01 09:20:00+00');
#12exit 0
wc -l /tmp/ir-drill/payments_pre.sql
113 /tmp/ir-drill/payments_pre.sql
#13exit 0
psql "$SUPABASE_DB_URL" -t -A -c "SELECT md5(string_agg(md5(id::text || '|' || ref_code || '|' || payer || '|' || amount_cents::text || '|' || paid_at::text), ',' ORDER BY id)) FROM public.payments;" | tee /tmp/ir-drill/payments_pre.md5
f4de845e9157582de87f752b2d622426
#14exit 0
psql "$SUPABASE_DB_URL" -c "SELECT public.run_incident();"
   run_incident    
-------------------
 incident executed
(1 row)

#15exit 0
psql "$SUPABASE_DB_URL" -c "SELECT COUNT(*) AS row_count FROM public.payments;"
 row_count 
-----------
        54
(1 row)

#16exit 0
psql "$SUPABASE_DB_URL" -c "SELECT * FROM public.incident_log ORDER BY id;"
 id |            ran_at            |               details                
----+------------------------------+--------------------------------------
  1 | 2026-07-26 02:33:18.42743+00 | payments corrupted by incident drill
(1 row)

#17exit 0
psql "$SUPABASE_DB_URL" -t -A -c "SELECT md5(string_agg(md5(id::text || '|' || ref_code || '|' || payer || '|' || amount_cents::text || '|' || paid_at::text), ',' ORDER BY id)) FROM public.payments;"
2608401f4ea6c95f54293ede26da9200
#18exit 0
grep -v "^INSERT INTO public.payments" /tmp/ir-drill/payments_pre.sql | grep -vE "^(SET|--|--\s|\$|$|\.\.|--\n)" | head -30
\restrict eX5JQsZge9nnzIQYY5M0MIgcMJLcoFrFPfdH2n5vFhedTQ6zZcVf99SzxyBKYda
SELECT pg_catalog.set_config('search_path', '', false);
\unrestrict eX5JQsZge9nnzIQYY5M0MIgcMJLcoFrFPfdH2n5vFhedTQ6zZcVf99SzxyBKYda
#19exit 0
grep -E "^INSERT INTO" /tmp/ir-drill/payments_pre.sql | grep -v "public.payments" | head
#20exit 0
cat > /tmp/ir-drill/restore_payments.sql <<'SQL'
BEGIN;
TRUNCATE TABLE public.payments RESTART IDENTITY;
\i /tmp/ir-drill/payments_pre.sql
COMMIT;
SQL
# Execute the restore in a single transaction.
psql "$SUPABASE_DB_URL" -v ON_ERROR_STOP=1 -f /tmp/ir-drill/restore_payments.sql 2>&1 | tail -20
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
COMMIT
#21exit 0
echo "=== payments row count ===" && \
psql "$SUPABASE_DB_URL" -t -A -c "SELECT COUNT(*) FROM public.payments;" && \
echo "=== payments checksum (should match pre-incident f4de845e9157582de87f752b2d622426) ===" && \
psql "$SUPABASE_DB_URL" -t -A -c "SELECT md5(string_agg(md5(id::text || '|' || ref_code || '|' || payer || '|' || amount_cents::text || '|' || paid_at::text), ',' ORDER BY id)) FROM public.payments;" && \
echo "=== incident_log (must still contain the drill record) ===" && \
psql "$SUPABASE_DB_URL" -c "SELECT * FROM public.incident_log ORDER BY id;"
=== payments row count ===
80
=== payments checksum (should match pre-incident f4de845e9157582de87f752b2d622426) ===
f4de845e9157582de87f752b2d622426
=== incident_log (must still contain the drill record) ===
 id |            ran_at            |               details                
----+------------------------------+--------------------------------------
  1 | 2026-07-26 02:33:18.42743+00 | payments corrupted by incident drill
(1 row)

#22exit 1
echo "=== Spot-check: rows 1, 40, 80 from live DB vs backup ===" && \
psql "$SUPABASE_DB_URL" -t -A -F"|" -c "SELECT id, ref_code, payer, amount_cents, paid_at FROM public.payments WHERE id IN (1,40,80) ORDER BY id;" && \
echo "---" && \
grep -E "^\(1, '6C8935605030'" /tmp/ir-drill/payments_pre.sql && \
grep "E02258DCCE80" /tmp/ir-drill/payments_pre.sql
=== Spot-check: rows 1, 40, 80 from live DB vs backup ===
1|6C8935605030|Payer-caffc0dc43|30036|2026-03-01 00:07:00+00
40|3E1DD4E6A86D|Payer-2c91fc5391|159879|2026-03-01 04:40:00+00
80|E02258DCCE80|Payer-180be3be40|267068|2026-03-01 09:20:00+00
---
#23exit 0
echo "=== Schema of public.payments still intact (no DDL churn) ===" && \
psql "$SUPABASE_DB_URL" -c "\d public.payments"
=== Schema of public.payments still intact (no DDL churn) ===
                         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)

#24exit 0
echo "=== Verify the dump file is still intact ===" && \
ls -la /tmp/ir-drill/payments_pre.sql && \
grep -c "^INSERT INTO public.payments" /tmp/ir-drill/payments_pre.sql
=== Verify the dump file is still intact ===
-rw-r--r-- 1 root root 13230 Jul 26 02:33 /tmp/ir-drill/payments_pre.sql
80
#25exit 0
cat <<'EOF'
========== FINAL DRILL REPORT ==========

Pre-incident state:
  public.payments rows: 80
  checksum: f4de845e9157582de87f752b2d622426

Post-incident state (corruption confirmed):
  public.payments rows: 54
  checksum: 2608401f4ea6c95f54293ede26da9200
  public.incident_log: 1 record (id=1, "payments corrupted by incident drill")

Post-restore state:
  public.payments rows: 80
  checksum: f4de845e9157582de87f752b2d622426  <-- matches pre-incident exactly
  public.incident_log: 1 record (preserved)
  schema unchanged
EOF
========== FINAL DRILL REPORT ==========

Pre-incident state:
  public.payments rows: 80
  checksum: f4de845e9157582de87f752b2d622426

Post-incident state (corruption confirmed):
  public.payments rows: 54
  checksum: 2608401f4ea6c95f54293ede26da9200
  public.incident_log: 1 record (id=1, "payments corrupted by incident drill")

Post-restore state:
  public.payments rows: 80
  checksum: f4de845e9157582de87f752b2d622426  <-- matches pre-incident exactly
  public.incident_log: 1 record (preserved)
  schema unchanged

What it said at the end

Drill complete. Summary of what I did, in order: 1. **Backup** — Ran `pg_dump` against the Supabase DB with `--table=public.payments --data-only --column-inserts --no-owner --no-privileges`, producing `/tmp/ir-drill/payments_pre.sql` containing exactly 80 column-INSERTs (one per row, including the `id` primary key) for the `public.payments` table and nothing else. Verified with a row-level MD5 checksum: `f4de845e9157582de87f752b2d622426`. 2. **Incident** — Executed `SELECT public.run_incident();`, which corrupted `public.payments` (row count dropped 80 → 54, checksum changed) and inserted the audit record into `public.incident_log` (id=1, "payments corrupted by incident drill"). 3. **Restore** — In a single `BEGIN; ... COMMIT;` transaction, ran `TRUNCATE TABLE public.payments RESTART IDENTITY;` followed by `\i` of the dump file (80 INSERTs). The dump contains only `INSERT INTO public.payments` statements, so nothing else in the database was modified. Verification after restore: - `public.payments`: **80 rows**, checksum **`f4de845e9157582de87f752b2d622426`** — **identical to pre-incident state**. - `public.incident_log`: drill record (id=1) still present and intact. - Schema of `public.payments` unchanged. No other tables touched.

12 earlier narration turn(s) are in the raw transcript.

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