# Release decision: BLOCK

Release blocked: required gates failed or were skipped

Local synthetic SQLite simulation; not a production safety guarantee.

Migration: `examples/unsafe.sql`
SQL SHA-256: `1b40f8837edc343f949bdcf4e90416f655e9ebe2e3434b6dad1e5456d2336b39`

Seeded orders: 5
Measured elapsed seconds: 0.015359

## migration: FAIL

Measured seconds: 0.000529

```json
{
  "error_type": "OperationalError",
  "error": "Cannot add a NOT NULL column with default value NULL",
  "sqlite_errorcode": 1,
  "sqlite_errorname": "SQLITE_ERROR"
}
```

## preservation: SKIP

Measured seconds: not measured (gate skipped)

```json
{
  "reason": "Prerequisite migration failed"
}
```

## old-version: SKIP

Measured seconds: not measured (gate skipped)

```json
{
  "reason": "Prerequisite migration failed"
}
```

## new-version: SKIP

Measured seconds: not measured (gate skipped)

```json
{
  "reason": "Prerequisite migration failed"
}
```

## rollback: SKIP

Measured seconds: not measured (gate skipped)

```json
{
  "reason": "Prerequisite migration failed"
}
```

## Investigation and remediation

Gate evidence above is observed. IBM Bob IDE should investigate the failure, implement and verify the repair, then document the root cause and exact remediation. This generated report does not claim that work has occurred.