Fix Nostr tag name: l402_endpoint → l402 to match NIP draft

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: refined-element

src/le_agent_sdk/models/agreement.py

@@ -63,7 +63,7 @@ def from_nostr_event(cls, event: dict[str, Any]) -> AgentServiceAgreement:
                     agr.agreed_price_sats = int(tag[1])
                 except (ValueError, TypeError):
                     agr.agreed_price_sats = 0
-            elif key == "l402_endpoint" and len(tag) > 1:
+            elif key == "l402" and len(tag) > 1:
                 agr.l402_endpoint = tag[1]
             elif key == "terms" and len(tag) > 1:
                 agr.terms = tag[1]
@@ -135,7 +135,7 @@ def to_nostr_tags(self) -> list[list[str]]:
             tags.append(["price", str(self.agreed_price_sats)])
 
         if self.l402_endpoint:
-            tags.append(["l402_endpoint", self.l402_endpoint])
+            tags.append(["l402", self.l402_endpoint])
 
         if self.terms:
             tags.append(["terms", self.terms])

src/le_agent_sdk/models/capability.py

@@ -73,7 +73,7 @@ def from_nostr_event(cls, event: dict[str, Any]) -> AgentCapability:
                 cap.categories.append(tag[1])
             elif key == "price" and len(tag) > 1:
                 cap.pricing.append(AgentPricing.from_tag(tag))
-            elif key == "l402_endpoint" and len(tag) > 1:
+            elif key == "l402" and len(tag) > 1:
                 cap.l402_endpoint = tag[1]
             elif key == "api_endpoint" and len(tag) > 1:
                 cap.api_endpoint = tag[1]
@@ -100,7 +100,7 @@ def to_nostr_tags(self) -> list[list[str]]:
             tags.append(p.to_tag())
 
         if self.l402_endpoint:
-            tags.append(["l402_endpoint", self.l402_endpoint])
+            tags.append(["l402", self.l402_endpoint])
 
         if self.api_endpoint:
             tags.append(["api_endpoint", self.api_endpoint])

tests/test_models.py

@@ -60,7 +60,7 @@ def _sample_event(self) -> dict:
                 ["s", "translation"],
                 ["price", "10", "sats", "per-request"],
                 ["price", "1", "sats", "per-token"],
-                ["l402_endpoint", "https://api.example.com/l402/translate"],
+                ["l402", "https://api.example.com/l402/translate"],
                 ["api_endpoint", "https://api.example.com/translate"],
                 ["api_method", "POST"],
                 ["schema", "https://api.example.com/schema.json"],
@@ -102,7 +102,7 @@ def test_to_nostr_tags(self):
         assert ["d", "test-svc"] in tags
         assert ["s", "ai"] in tags
         assert ["price", "5", "sats", "per-request"] in tags
-        assert ["l402_endpoint", "https://example.com/l402"] in tags
+        assert ["l402", "https://example.com/l402"] in tags
         assert ["t", "test"] in tags
 
     def test_roundtrip(self):
@@ -242,7 +242,7 @@ def _sample_event(self) -> dict:
                 ["p", "provider_pub"],
                 ["p", "requester_pub"],
                 ["price", "100"],
-                ["l402_endpoint", "https://api.example.com/l402/service"],
+                ["l402", "https://api.example.com/l402/service"],
                 ["terms", "Max 10 requests per minute"],
                 ["expiration", "1700100000"],
             ],
@@ -281,7 +281,7 @@ def test_to_nostr_tags(self):
         assert len(e_tags) == 2
         assert len(p_tags) == 2
         assert ["price", "50"] in tags
-        assert ["l402_endpoint", "https://example.com/l402"] in tags
+        assert ["l402", "https://example.com/l402"] in tags
         assert ["terms", "Terms here"] in tags
         assert ["expiration", "1800000000"] in tags