refactor: prefix custom trace attributes and update schema handlers tests configs

demos/agent_orchestration/travel_agents/config.yaml

@@ -55,22 +55,5 @@ listeners:
 
 tracing:
   random_sampling: 100
-  custom_attributes:
-    - header: x-workspace-id
-      key: workspace.id
-      type: str
-    - header: x-tenant-id
-      key: tenant.id
-      type: str
-    - header: x-user-id
-      key: user.id
-      type: str
-    - header: x-admin-level
-      key: admin.level
-      type: int
-    - header: x-is-internal
-      key: is.internal
-      type: bool
-    - header: x-budget
-      key: budget.value
-      type: float
+  custom_attribute_prefixes:
+    - x-katanemo-

demos/agent_orchestration/travel_agents/test.rest

@@ -3,15 +3,15 @@
 ### Travel Agent Chat Completion Request
 POST {{llm_endpoint}}/v1/chat/completions HTTP/1.1
 Content-Type: application/json
-X-Workspace-Id: ws_7e2c5d91b4224f59b0e6a4e0125c21b3
-X-Tenant-Id: ten_4102a8c7fa6542b084b395d2df184a9a
-X-User-Id: usr_19df7e6751b846f9ba026776e3c12abe
-X-Admin-Level: 3
-X-Is-Internal: true
-X-Budget: 42.5
+X-Katanemo-Workspace-Id: ws_7e2c5d91b4224f59b0e6a4e0125c21b3
+X-Katanemo-Tenant-Id: ten_4102a8c7fa6542b084b395d2df184a9a
+X-Katanemo-User-Id: usr_19df7e6751b846f9ba026776e3c12abe
+X-Katanemo-Admin-Level: 3
+X-Katanemo-Is-Internal: true
+X-Katanemo-Budget: 42.5
 
 {
-  "model": "gpt-4o",
+  "model": "gpt-5.2",
   "messages": [
     {
       "role": "user",
@@ -26,7 +26,28 @@ X-Budget: 42.5
       "content": "What is one Alaska flight that goes direct to Atlanta from Seattle?"
     }
   ],
-  "max_tokens": 1000,
+  "max_completion_tokens": 1000,
+  "stream": false,
+  "temperature": 1.0
+}
+
+
+### Travel Agent Request (prefix mismatch - ignored)
+POST {{llm_endpoint}}/v1/chat/completions HTTP/1.1
+Content-Type: application/json
+X-Other-Workspace-Id: ws_7e2c5d91b4224f59b0e6a4e0125c21b3
+X-Other-Tenant-Id: ten_4102a8c7fa6542b084b395d2df184a9a
+X-Other-User-Id: usr_19df7e6751b846f9ba026776e3c12abe
+
+{
+  "model": "gpt-5.2",
+  "messages": [
+    {
+      "role": "user",
+      "content": "What's the weather in Seattle?"
+    }
+  ],
+  "max_completion_tokens": 1000,
   "stream": false,
   "temperature": 1.0
 }