feat: add llm_query_builder tier gate (paid+) to tiers.py and SessionFeatures

api/cloud_session.py

@@ -69,6 +69,7 @@ class SessionFeatures:
     photo_analysis: bool
     shared_scammer_db: bool
     shared_image_db: bool
+    llm_query_builder: bool
 
 
 def compute_features(tier: str) -> SessionFeatures:
@@ -85,6 +86,7 @@ def compute_features(tier: str) -> SessionFeatures:
         photo_analysis=paid_plus,
         shared_scammer_db=paid_plus,
         shared_image_db=paid_plus,
+        llm_query_builder=paid_plus,
     )
 
 

app/tiers.py

@@ -26,6 +26,7 @@ FEATURES: dict[str, str] = {
     "reverse_image_search":      "paid",
     "ebay_oauth":                "paid",   # full trust scores via eBay Trading API
     "background_monitoring":     "paid",   # limited at Paid; see LIMITS below
+    "llm_query_builder":         "paid",   # inline natural-language → filter translator
 
     # Premium tier
     "auto_bidding":              "premium",

tests/test_tiers.py

@@ -22,3 +22,13 @@ def test_saved_searches_are_free():
     # Ungated: retention feature — friction cost outweighs gate value (see tiers.py)
     assert can_use("saved_searches", tier="free") is True
     assert can_use("saved_searches", tier="paid") is True
+
+
+def test_llm_query_builder_is_paid():
+    assert can_use("llm_query_builder", tier="free") is False
+    assert can_use("llm_query_builder", tier="paid") is True
+
+
+def test_llm_query_builder_local_vision_does_not_unlock():
+    # local vision unlocks photo features only, not LLM query builder
+    assert can_use("llm_query_builder", tier="free", has_local_vision=True) is False