{
  "context": "Tests many-to-many relationship handling (posts-tags junction table needs FK indexes on both columns), JSON column usage (metadata), transactional create (post + tag associations), and slug-based lookups. The task describes only business requirements.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "WAL mode enabled",
      "description": "db.ts sets PRAGMA journal_mode = WAL",
      "max_score": 8
    },
    {
      "name": "Foreign keys ON",
      "description": "db.ts sets PRAGMA foreign_keys = ON",
      "max_score": 8
    },
    {
      "name": "Busy timeout set",
      "description": "db.ts sets PRAGMA busy_timeout to a positive value",
      "max_score": 5
    },
    {
      "name": "Graceful shutdown",
      "description": "db.close() called on SIGTERM/SIGINT",
      "max_score": 5
    },
    {
      "name": "Transaction for post+tags creation",
      "description": "Creating a post with its tag associations uses db.transaction() for atomicity",
      "max_score": 12
    },
    {
      "name": "Indexes on junction table FKs",
      "description": "The post_tags junction table has indexes on BOTH post_id and tag_id columns",
      "max_score": 12
    },
    {
      "name": "Index on posts.author_id FK",
      "description": "posts.author_id (or equivalent) has an explicit index",
      "max_score": 6
    },
    {
      "name": "JSON for metadata",
      "description": "Post metadata stored as TEXT/JSON column, using json_extract or JSON functions for access",
      "max_score": 7
    },
    {
      "name": "CHECK constraint on post status",
      "description": "Status column has CHECK (status IN ('draft', 'published', 'archived'))",
      "max_score": 5
    },
    {
      "name": "Prepared statements throughout",
      "description": "All queries use db.prepare() with ? placeholders",
      "max_score": 10
    },
    {
      "name": "Migration pattern",
      "description": "Sequential migration pattern with tracking table",
      "max_score": 6
    },
    {
      "name": "Dates as TEXT ISO 8601",
      "description": "Published date and timestamps stored as TEXT with datetime() defaults",
      "max_score": 5
    },
    {
      "name": "STRICT tables",
      "description": "Tables created with STRICT keyword",
      "max_score": 5
    },
    {
      "name": "Cached prepared statements",
      "description": "Frequently used queries (get by slug, list published) are prepared once at module level and reused",
      "max_score": 6
    }
  ]
}