Initial lookbook implementation

Pinterest-style visual bookmarking app with:
- URL metadata extraction (OG/Twitter meta, oEmbed fallback)
- Image caching in Postgres with 480px thumbnails
- Multi-tag filtering with Ctrl/Cmd for OR mode
- Fuzzy tag suggestions and inline tag editing
- Browser console auth() with first-use password setup
- Brutalist UI with Commit Mono font and Pico CSS
- Light/dark mode via browser preference

vendor/github.com/pressly/goose/v3/internal/controller/store.go

@@ -0,0 +1,37 @@
+package controller
+
+import (
+	"context"
+	"errors"
+
+	"github.com/pressly/goose/v3/database"
+)
+
+// A StoreController is used by the goose package to interact with a database. This type is a
+// wrapper around the Store interface, but can be extended to include additional (optional) methods
+// that are not part of the core Store interface.
+type StoreController struct{ database.Store }
+
+var _ database.StoreExtender = (*StoreController)(nil)
+
+// NewStoreController returns a new StoreController that wraps the given Store.
+//
+// If the Store implements the following optional methods, the StoreController will call them as
+// appropriate:
+//
+//   - TableExists(context.Context, DBTxConn) (bool, error)
+//
+// If the Store does not implement a method, it will either return a [errors.ErrUnsupported] error
+// or fall back to the default behavior.
+func NewStoreController(store database.Store) *StoreController {
+	return &StoreController{store}
+}
+
+func (c *StoreController) TableExists(ctx context.Context, db database.DBTxConn) (bool, error) {
+	if t, ok := c.Store.(interface {
+		TableExists(ctx context.Context, db database.DBTxConn) (bool, error)
+	}); ok {
+		return t.TableExists(ctx, db)
+	}
+	return false, errors.ErrUnsupported
+}