feat: AI suggestions, smart shopping qty, shelf life fixes, UX polish

- bringSuggestItems(): Gemini AI for seasonal/complementary suggestions (6h cache)
- renderSuggestions(): AI badge (🤖 AI) for AI-sourced items + CSS .priority-ai
- smartShopping(): suggested_qty/unit/approx with package-aware tiers
- autoSyncUrgencySpecs(): sync suggested quantities to Bring! spec field
- estimateOpenedExpiryDays(): dairy-outside-fridge rules (panna 3d, yogurt 2d, latte 1d)
- AI shelf-life upper bound tightened to max(rule×4, 30) days
- Opened section: fix 0g display (remainderAmt >= 0.5 threshold, pkgSize guard)
- guessCategoryFromName(): expanded with 50+ new patterns (uova, herbs, vegetables...)
- Suggestions panel: excludes already-added Bring! items
- Shopping list: no re-render while suggestions panel is open
- Translations: remove duplicate 🍳 from dashboard.quick_recipe (all 3 langs)
- Scale icon: always white via filter:brightness(0)invert(1)
- opened_shelf_cache.json: remove 3 bad dairy entries (60d outside fridge)

data/opened_shelf_cache.json

@@ -1,44 +1,51 @@
 {
-    "226887def70e33ef73290ebfe75ed4d0": {
-        "days": 7,
-        "source": "ai",
-        "name": "Polpa di pomodoro finissima",
-        "location": "frigo",
-        "ts": 1777444819
-    },
-    "0ed51c9496aa9edfe38caf41772f54ed": {
-        "days": 7,
-        "source": "rule",
-        "name": "Latte di Montagna",
-        "location": "frigo",
-        "ts": 1777444820
-    },
-    "2d63d0216a75d46b465150e925d2e7ad": {
-        "days": 30,
-        "source": "rule",
-        "name": "Burro",
-        "location": "frigo",
-        "ts": 1777444821
-    },
-    "f6504a014f17457e3dbe0ba917ad681f": {
-        "days": 7,
-        "source": "rule",
-        "name": "Latte di Montagna",
-        "location": "dispensa",
-        "ts": 1777444888
-    },
-    "7b15356b493402e17fa417a389e89716": {
-        "days": 60,
-        "source": "rule",
-        "name": "Yaourt Vanille",
-        "location": "dispensa",
-        "ts": 1777472391
-    },
-    "9afdf35c4a256867ef47c32495349eb6": {
-        "days": 5,
-        "source": "rule",
-        "name": "Yaourt Vanille",
-        "location": "frigo",
-        "ts": 1777480477
-    }
+  "226887def70e33ef73290ebfe75ed4d0": {
+    "days": 7,
+    "source": "ai",
+    "name": "Polpa di pomodoro finissima",
+    "location": "frigo",
+    "ts": 1777444819
+  },
+  "0ed51c9496aa9edfe38caf41772f54ed": {
+    "days": 7,
+    "source": "rule",
+    "name": "Latte di Montagna",
+    "location": "frigo",
+    "ts": 1777444820
+  },
+  "2d63d0216a75d46b465150e925d2e7ad": {
+    "days": 30,
+    "source": "rule",
+    "name": "Burro",
+    "location": "frigo",
+    "ts": 1777444821
+  },
+  "9afdf35c4a256867ef47c32495349eb6": {
+    "days": 5,
+    "source": "rule",
+    "name": "Yaourt Vanille",
+    "location": "frigo",
+    "ts": 1777480477
+  },
+  "584f57418733a1f2acd29fe2e8816129": {
+    "days": 5,
+    "source": "rule",
+    "name": "Passata di pomodoro",
+    "location": "frigo",
+    "ts": 1778133522
+  },
+  "baeb7f2021b4bb91c368c9131a61f07c": {
+    "days": 10,
+    "source": "rule",
+    "name": "Formaggio Monte Maria",
+    "location": "frigo",
+    "ts": 1778133523
+  },
+  "063f2d534407214786d039bb2bffbb93": {
+    "days": 5,
+    "source": "rule",
+    "name": "Carote",
+    "location": "frigo",
+    "ts": 1778133524
+  }
 }