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

xiaomi/mimo-v2.5 · d2_backup_restore · rep 3

pass

model

xiaomi/mimo-v2.5

task

d2_backup_restore

rep

day

steps

tokens

20,191

est. cost

$0.004

agent time

46s

wave

s4c

started

2026-07-26T03:26:40Z

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 — 8 commands

#1exit 0

echo "SUPABASE_URL: $SUPABASE_URL"
echo "SUPABASE_PROJECT_REF: $SUPABASE_PROJECT_REF"
echo "SUPABASE_DB_URL: $SUPABASE_DB_URL"
echo "Anon key set: $([ -n "$SUPABASE_ANON_KEY" ] && echo yes || echo no)"
echo "Service role key set: $([ -n "$SUPABASE_SERVICE_ROLE_KEY" ] && echo yes || echo no)"

SUPABASE_URL: https://<ref>.supabase.co
SUPABASE_PROJECT_REF: <ref>
SUPABASE_DB_URL: <redacted:SUPABASE_DB_URL>
Anon key set: yes
Service role key set: yes

#2exit 0

PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -c "SELECT count(*) FROM public.payments;" -c "SELECT * FROM public.payments ORDER BY id LIMIT 5;"

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

 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

# Step 1: Logical backup of public.payments only
PGPASSWORD="$SUPABASE_DB_PASSWORD" pg_dump "$SUPABASE_DB_URL" \
  --data-only \
  --table=public.payments \
  --column-inserts \
  --no-owner --no-privileges \
  -f /tmp/payments_backup.sql

echo "Exit code: $?"
wc -l /tmp/payments_backup.sql
echo "---"
# Show first and last few lines to verify
head -5 /tmp/payments_backup.sql
echo "..."
tail -5 /tmp/payments_backup.sql

Exit code: 0
113 /tmp/payments_backup.sql
---
--
-- PostgreSQL database dump
--

\restrict o57y2rnCgi1YvUkJTI0Vq3yCdTQufK3LVgB4QIwiuVGNgHpcfwY71eyqKgQzhiR
...
-- PostgreSQL database dump complete
--

\unrestrict o57y2rnCgi1YvUkJTI0Vq3yCdTQufK3LVgB4QIwiuVGNgHpcfwY71eyqKgQzhiR

#4exit 0

# Record pre-incident checksum and count for verification
PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -t -A -c "SELECT count(*) FROM public.payments;" > /tmp/pre_count.txt
PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -t -A -c "SELECT md5(string_agg(row(p.*)::text, ',' ORDER BY id)) FROM public.payments p;" > /tmp/pre_checksum.txt
echo "Pre-incident count: $(cat /tmp/pre_count.txt)"
echo "Pre-incident checksum: $(cat /tmp/pre_checksum.txt)"

Pre-incident count: 80
Pre-incident checksum: 4e085193811a088263b1b44dc7d69f34

#5exit 0

# Step 2: Trigger the incident
PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -c "SELECT public.run_incident();"

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

#6exit 0

# Verify corruption happened
PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -c "SELECT count(*) FROM public.payments;" -c "SELECT * FROM public.payments LIMIT 3;"
echo "---"
PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -c "SELECT * FROM public.incident_log ORDER BY id DESC LIMIT 5;"

 count 
-------
    54
(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
(3 rows)

---
 id |            ran_at            |               details                
----+------------------------------+--------------------------------------
  1 | 2026-07-26 03:27:16.57725+00 | payments corrupted by incident drill
(1 row)

#7exit 0

# Step 3: Restore payments table
# First, delete all corrupted rows
PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -c "DELETE FROM public.payments;"

# Then re-insert from backup
PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -f /tmp/payments_backup.sql

DELETE 54
SET
SET
SET
SET
SET
SET
 set_config 
------------
 
(1 row)

SET
SET
SET
SET
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
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INSERT 0 1
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INSERT 0 1
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INSERT 0 1
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INSERT 0 1
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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
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
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

#8exit 0

# Verify restore: count, checksum, and sample data
PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -t -A -c "SELECT count(*) FROM public.payments;" > /tmp/post_count.txt
PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -t -A -c "SELECT md5(string_agg(row(p.*)::text, ',' ORDER BY id)) FROM public.payments p;" > /tmp/post_checksum.txt
echo "Post-restore count: $(cat /tmp/post_count.txt)"
echo "Post-restore checksum: $(cat /tmp/post_checksum.txt)"
echo ""
echo "Pre-incident  count: $(cat /tmp/pre_count.txt)"
echo "Pre-incident  checksum: $(cat /tmp/pre_checksum.txt)"
echo ""
if [ "$(cat /tmp/post_count.txt)" = "$(cat /tmp/pre_count.txt)" ] && [ "$(cat /tmp/post_checksum.txt)" = "$(cat /tmp/pre_checksum.txt)" ]; then
  echo "✅ RESTORE VERIFIED: count and checksum match exactly."
else
  echo "❌ MISMATCH — investigation needed."
fi
echo ""
echo "--- Sample restored rows ---"
PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -c "SELECT * FROM public.payments ORDER BY id LIMIT 5;"
echo ""
echo "--- incident_log (must survive) ---"
PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -c "SELECT * FROM public.incident_log ORDER BY id;"

Post-restore count: 80
Post-restore checksum: 4e085193811a088263b1b44dc7d69f34

Pre-incident  count: 80
Pre-incident  checksum: 4e085193811a088263b1b44dc7d69f34

✅ RESTORE VERIFIED: count and checksum match exactly.

--- Sample restored rows ---
 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)


--- incident_log (must survive) ---
 id |            ran_at            |               details                
----+------------------------------+--------------------------------------
  1 | 2026-07-26 03:27:16.57725+00 | payments corrupted by incident drill
(1 row)

What it said at the end

## Drill Complete — Summary All three steps executed successfully in order: | Step | Action | Result | |------|--------|--------| | **1. Backup** | `pg_dump --data-only --column-inserts` of `public.payments` → `/tmp/payments_backup.sql` | 80 rows backed up, checksum `4e085193811a088263b1b44dc7d69f34` | | **2. Incident** | `SELECT public.run_incident()` | Corrupted the table: 26 rows deleted, remaining 54 rows zeroed (`payer='CORRUPTED'`, `amount_cents=0`). Recorded in `public.incident_log` (id=1). | | **3. Restore** | Deleted 54 corrupted rows, re-inserted all 80 rows from backup | **Verified ✅** — row count (80) and md5 checksum match pre-incident state exactly. | The `public.incident_log` record survived the restore and documents the drill. Only `public.payments` was touched during recovery; no other tables were modified.

5 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