license switch agpl -> busl1, sprints work, new product advisories

docs/api/artifact-store-api.yaml

@@ -24,7 +24,7 @@ info:
   contact:
     name: Stella Ops Team
   license:
-    name: AGPL-3.0-or-later
+    name: BUSL-1.1
 
 servers:
   - url: /api/v1

docs/api/delta-compare-openapi.yaml

@@ -8,8 +8,8 @@ info:
     Sprint: SPRINT_4200_0002_0006
   version: 1.0.0
   license:
-    name: AGPL-3.0-or-later
-    url: https://www.gnu.org/licenses/agpl-3.0.html
+    name: BUSL-1.1
+    url: https://spdx.org/licenses/BUSL-1.1.html
 
 servers:
   - url: /v1

docs/api/evidence-decision-api.openapi.yaml

@@ -7,8 +7,8 @@ info:
     Updated: SPRINT_20260112_005_BE_evidence_card_api (EVPCARD-BE-002)
   version: 1.1.0
   license:
-    name: AGPL-3.0-or-later
-    url: https://www.gnu.org/licenses/agpl-3.0.html
+    name: BUSL-1.1
+    url: https://spdx.org/licenses/BUSL-1.1.html
 
 servers:
   - url: /v1

docs/api/gates-api.yaml

@@ -22,7 +22,7 @@ info:
   contact:
     name: Stella Ops Team
   license:
-    name: AGPL-3.0-or-later
+    name: BUSL-1.1
 
 servers:
   - url: /api/v1

docs/api/proofs-openapi.yaml

@@ -10,8 +10,8 @@ info:
     assessments through attestable DSSE envelopes.
 
   license:
-    name: AGPL-3.0-or-later
-    url: https://www.gnu.org/licenses/agpl-3.0.html
+    name: BUSL-1.1
+    url: https://spdx.org/licenses/BUSL-1.1.html
 
 servers:
   - url: https://api.stellaops.dev/v1