}

    @Test
    public void test_addHistoryWithBudget_turnBasedPacking_contiguousRecency() {
        // 3 turns: turn0(Q1+A1=4), turn1(big=200), turn2(Q3+A3=4)
        // Budget=20: turn2 fits (4, remaining=16), turn1 doesn't fit (200>16), stop
        // Even though turn0 (4 chars) would fit individually, contiguity is maintained
        final List<LlmMessage> history = new ArrayList<>();

            }
        }

        if (firstIncludedTurn < turns.size()) {
            for (int t = firstIncludedTurn; t < turns.size(); t++) {
                final int[] turn = turns.get(t);
                for (int i = turn[0]; i < turn[1]; i++) {
                    request.addMessage(history.get(i));
                }
            }

{\n  @include font-size($small-font-size);\n  font-weight: $font-weight-normal;\n}\n\nmark,\n.mark {\n  padding: $mark-padding;\n  background-color: $mark-bg;\n}\n\n\n//\n// Lists\n//\n\n.list-unstyled {\n  @include list-unstyled();\n}\n\n// Inline turns list items into inline-block\n.list-inline {\n  @include list-unstyled();\n}\n.list-inline-item {\n  display: inline-block;\n\n  &:not(:last-child) {\n    margin-right: $list-inline-padding;\n  }\n}\n\n\n//\n// Misc\n//\n\n// Builds on `abbr`\n.initialism...

font-weight: $display-font-weight;\n    line-height: $display-line-height;\n  }\n}\n\n//\n// Emphasis\n//\n.small {\n  @extend small;\n}\n\n.mark {\n  @extend mark;\n}\n\n//\n// Lists\n//\n\n.list-unstyled {\n  @include list-unstyled();\n}\n\n// Inline turns list items into inline-block\n.list-inline {\n  @include list-unstyled();\n}\n.list-inline-item {\n  display: inline-block;\n\n  &:not(:last-child) {\n    margin-right: $list-inline-padding;\n  }\n}\n\n\n//\n// Misc\n//\n\n// Builds on `abbr`\n.initialism...

{\n  @include font-size($small-font-size);\n  font-weight: $font-weight-normal;\n}\n\nmark,\n.mark {\n  padding: $mark-padding;\n  background-color: $mark-bg;\n}\n\n\n//\n// Lists\n//\n\n.list-unstyled {\n  @include list-unstyled();\n}\n\n// Inline turns list items into inline-block\n.list-inline {\n  @include list-unstyled();\n}\n.list-inline-item {\n  display: inline-block;\n\n  &:not(:last-child) {\n    margin-right: $list-inline-padding;\n  }\n}\n\n\n//\n// Misc\n//\n\n// Builds on `abbr`\n.initialism...