refactor: split casino.go, dedup helpers, remove audit docs

1 files changed, 15 insertions, 7 deletions

diff --git a/internal/ui/table.go b/internal/ui/table.go
index 437c445..a1800ba 100644
--- a/internal/ui/table.go
+++ b/internal/ui/table.go
@@ -45,6 +45,17 @@ func FitWidths(colWidths []int, budget int) {
 	rebalanceWidths(colWidths, budget)
 }
 
+// TableBudget returns the total cell width available to nCols columns in a
+// table rendered at maxWidth. Callers that pre-wrap cells must use this so
+// their shrink target matches Render's padding/separator arithmetic.
+func TableBudget(nCols, maxWidth int) int {
+	budget := maxWidth - (3*nCols + 1)
+	if budget < nCols {
+		budget = nCols
+	}
+	return budget
+}
+
 // rebalanceWidths shrinks column widths in place so their sum fits budget.
 // Rather than crushing only the last column, every column wider than the
 // fair share (budget/nCols) is capped first, then columns are trimmed one
@@ -52,6 +63,9 @@ func FitWidths(colWidths []int, budget int) {
 // handed back round-robin to columns that lost width so wide layouts still
 // use the full line.
 func rebalanceWidths(colWidths []int, budget int) {
+	if len(colWidths) == 0 {
+		return
+	}
 	original := make([]int, len(colWidths))
 	copy(original, colWidths)
 
@@ -138,13 +152,7 @@ func (t *Table) Render(unicode bool, maxWidth int) []string {
 	bodyRows := t.Rows
 
 	if maxWidth > 0 {
-		// Cell padding: one space on each side of every cell, plus one
-		// separator between columns.
-		overhead := 3*nCols + 1
-		budget := maxWidth - overhead
-		if budget < nCols {
-			budget = nCols
-		}
+		budget := TableBudget(nCols, maxWidth)
 
 		total := 0
 		for _, w := range colWidths {