feat(combos): add Combos & Synergies detection, chip-style UI with dual hover; JSON persistence and headless honoring; stage ordering; docs and tests; bump to v2.2.1

code/web/routes/decks.py

@@ -9,6 +9,8 @@ from typing import Dict, List, Tuple, Optional
 
 from ..app import templates
 from ..services import owned_store
+from deck_builder.combos import detect_combos as _detect_combos, detect_synergies as _detect_synergies
+from tagging.combo_schema import load_and_validate_combos as _load_combos, load_and_validate_synergies as _load_synergies
 from deck_builder import builder_constants as bc
 
 
@@ -292,6 +294,61 @@ async def decks_view(request: Request, name: str) -> HTMLResponse:
         parts = stem.split('_')
         commander_name = parts[0] if parts else ''
 
+    # Prepare combos/synergies detections for summary panel
+    combos = []
+    synergies = []
+    versions = {"combos": None, "synergies": None}
+    try:
+        # Collect deck card names from summary (types + curve) and include commander
+        names_set: set[str] = set()
+        try:
+            tb = (summary or {}).get('type_breakdown', {})
+            cards_by_type = tb.get('cards', {}) if isinstance(tb, dict) else {}
+            for _typ, clist in (cards_by_type.items() if isinstance(cards_by_type, dict) else []):
+                for c in (clist or []):
+                    n = str(c.get('name') if isinstance(c, dict) else getattr(c, 'name', ''))
+                    if n:
+                        names_set.add(n)
+        except Exception:
+            pass
+        # Also pull from mana curve cards for robustness
+        try:
+            mc = (summary or {}).get('mana_curve', {})
+            curve_cards = mc.get('cards', {}) if isinstance(mc, dict) else {}
+            for _bucket, clist in (curve_cards.items() if isinstance(curve_cards, dict) else []):
+                for c in (clist or []):
+                    n = str(c.get('name') if isinstance(c, dict) else getattr(c, 'name', ''))
+                    if n:
+                        names_set.add(n)
+        except Exception:
+            pass
+        # Ensure commander is included
+        if commander_name:
+            names_set.add(str(commander_name))
+
+        names = sorted(names_set)
+        if names:
+            try:
+                combos = _detect_combos(names, combos_path="config/card_lists/combos.json")
+            except Exception:
+                combos = []
+            try:
+                synergies = _detect_synergies(names, synergies_path="config/card_lists/synergies.json")
+            except Exception:
+                synergies = []
+        try:
+            cm = _load_combos("config/card_lists/combos.json")
+            versions["combos"] = getattr(cm, 'list_version', None)
+        except Exception:
+            pass
+        try:
+            sm = _load_synergies("config/card_lists/synergies.json")
+            versions["synergies"] = getattr(sm, 'list_version', None)
+        except Exception:
+            pass
+    except Exception:
+        pass
+
     ctx = {
         "request": request,
         "name": p.name,
@@ -303,6 +360,9 @@ async def decks_view(request: Request, name: str) -> HTMLResponse:
         "display_name": display_name,
     "game_changers": bc.GAME_CHANGERS,
     "owned_set": {n.lower() for n in owned_store.get_names()},
+        "combos": combos,
+        "synergies": synergies,
+        "versions": versions,
     }
     return templates.TemplateResponse("decks/view.html", ctx)