feat(web): Multi-Copy modal earlier; Multi-Copy stage before lands; bump version to 2.1.1; update CHANGELOG\n\n- Modal triggers after commander selection (Step 2)\n- Multi-Copy applied first in Step 5, lands next\n- Keep mc_summary/clamp/adjustments wiring intact\n- Tests green

code/tests/test_multicopy_clamp_strong.py

@@ -0,0 +1,54 @@
+import importlib
+
+
+def test_multicopy_clamp_trims_current_stage_additions_only():
+    """
+    Pre-seed the library to 95, add a 20x multi-copy package, and ensure:
+    - clamped_overflow == 15
+    - total_cards == 100
+    - added delta for the package reflects 5 (20 - 15) after clamping
+    - pre-seeded cards are untouched
+    """
+    orch = importlib.import_module('code.web.services.orchestrator')
+    logs = []
+    def out(msg: str):
+        logs.append(msg)
+    from deck_builder.builder import DeckBuilder
+    b = DeckBuilder(output_func=out, input_func=lambda *_: "", headless=True)
+    # Preseed 95 cards in the library
+    b.card_library = {"Filler": {"Count": 95, "Role": "Test", "SubRole": "", "AddedBy": "Test"}}
+    # Set a multi-copy selection that would exceed 100 by 15
+    b._web_multi_copy = {  # type: ignore[attr-defined]
+        "id": "persistent_petitioners",
+        "name": "Persistent Petitioners",
+        "count": 20,
+        "thrumming": False,
+    }
+    ctx = {
+        "builder": b,
+        "logs": logs,
+        "stages": [{"key": "multicopy", "label": "Multi-Copy Package", "runner_name": "__add_multi_copy__"}],
+        "idx": 0,
+        "last_log_idx": 0,
+        "csv_path": None,
+        "txt_path": None,
+        "snapshot": None,
+        "history": [],
+        "locks": set(),
+        "custom_export_base": None,
+    }
+    res = orch.run_stage(ctx, rerun=False, show_skipped=False)
+    assert res.get("done") is False
+    assert res.get("label") == "Multi-Copy Package"
+    # Clamp assertions
+    assert int(res.get("clamped_overflow") or 0) == 15
+    assert int(res.get("total_cards") or 0) == 100
+    added = res.get("added_cards") or []
+    # Only the Petitioners row should be present, and it should show 5 added
+    assert len(added) == 1
+    row = added[0]
+    assert row.get("name") == "Persistent Petitioners"
+    assert int(row.get("count") or 0) == 5
+    # Ensure the preseeded 95 remain
+    lib = ctx["builder"].card_library
+    assert lib.get("Filler", {}).get("Count") == 95