diff --git a/internal/storage/sqlite/migrations/036_crystallizes_column.go b/internal/storage/sqlite/migrations/036_crystallizes_column.go
deleted file mode 100644
index 33652406..00000000
--- a/internal/storage/sqlite/migrations/036_crystallizes_column.go
+++ /dev/null
@@ -1,36 +0,0 @@
-package migrations
-
-import (
-	"database/sql"
-	"fmt"
-)
-
-// MigrateCrystallizesColumn adds the crystallizes column to the issues table.
-// Crystallizes tracks whether work compounds over time (true: code, features)
-// or evaporates (false: ops, support). Per Decision 006, this affects CV weighting.
-// Default is false (conservative - work evaporates unless explicitly marked).
-func MigrateCrystallizesColumn(db *sql.DB) error {
-	// Check if column already exists
-	var columnExists bool
-	err := db.QueryRow(`
-		SELECT COUNT(*) > 0
-		FROM pragma_table_info('issues')
-		WHERE name = 'crystallizes'
-	`).Scan(&columnExists)
-	if err != nil {
-		return fmt.Errorf("failed to check crystallizes column: %w", err)
-	}
-
-	if columnExists {
-		// Column already exists (e.g. created by new schema)
-		return nil
-	}
-
-	// Add the crystallizes column
-	_, err = db.Exec(`ALTER TABLE issues ADD COLUMN crystallizes INTEGER DEFAULT 0`)
-	if err != nil {
-		return fmt.Errorf("failed to add crystallizes column: %w", err)
-	}
-
-	return nil
-}
diff --git a/internal/types/types.go b/internal/types/types.go
index c418a3a9..cb1ffd33 100644
--- a/internal/types/types.go
+++ b/internal/types/types.go
@@ -488,7 +488,7 @@ const (
 	TypeGate         IssueType = "gate"          // Async coordination gate
 	TypeAgent        IssueType = "agent"         // Agent identity bead
 	TypeRole         IssueType = "role"          // Agent role definition
-	TypeRig          IssueType = "rig"           // Rig identity bead
+	TypeRig          IssueType = "rig"           // Rig identity bead (multi-repo workspace)
 	TypeConvoy       IssueType = "convoy"        // Cross-project tracking with reactive completion
 	TypeEvent        IssueType = "event"         // Operational state change record
 	TypeSlot         IssueType = "slot"          // Exclusive access slot (merge-slot gate)