Implements database platform layer for extensions like VC to create their own tables in the same SQLite database. Changes: - Add UnderlyingDB() *sql.DB to Storage interface - Implement in SQLiteStorage to expose underlying connection - Add comprehensive test suite (5 tests, -race clean) - Tests cover: basic access, extension tables, concurrency, lifecycle safety, and transaction behavior This allows VC to host its executor_instances and other tables alongside beads core tables with proper FK enforcement. Related issues: bd-57, bd-64, bd-65, bd-66 Amp-Thread-ID: https://ampcode.com/threads/T-a6715beb-fe92-4dee-b931-3c9327124875 Co-authored-by: Amp <amp@ampcode.com>
58 KiB
58 KiB