chore: Update API specifications with fern api update (2026-09-11T00-39-08-825Z)

fern/apis/api/openapi.json

@@ -19933,6 +19933,51 @@
               "global.anthropic.claude-haiku-4-5-20251001-v1:0"
             ]
           },
+          "fallbackModels": {
+            "type": "array",
+            "description": "At most one same-provider Bedrock fallback model, tried if the primary fails. Cannot be combined with thinking in this release. Resolution uses the call's Bedrock credential region (or ANTHROPIC_BEDROCK_AWS_REGION). Names with no inference profile in that region are skipped and warned, never remapped to US or global. On Vapi EU, fallback names without an EU inference profile are rejected at write time.",
+            "enum": [
+              "claude-3-opus-20240229",
+              "claude-3-sonnet-20240229",
+              "claude-3-haiku-20240307",
+              "claude-3-5-sonnet-20240620",
+              "claude-3-5-sonnet-20241022",
+              "claude-3-5-haiku-20241022",
+              "claude-3-7-sonnet-20250219",
+              "claude-opus-4-20250514",
+              "claude-opus-4-5-20251101",
+              "claude-opus-4-6",
+              "claude-sonnet-4-20250514",
+              "claude-sonnet-4-5-20250929",
+              "claude-sonnet-4-6",
+              "claude-haiku-4-5-20251001",
+              "global.anthropic.claude-haiku-4-5-20251001-v1:0"
+            ],
+            "maxItems": 1,
+            "example": [
+              "claude-haiku-4-5-20251001"
+            ],
+            "items": {
+              "type": "string",
+              "enum": [
+                "claude-3-opus-20240229",
+                "claude-3-sonnet-20240229",
+                "claude-3-haiku-20240307",
+                "claude-3-5-sonnet-20240620",
+                "claude-3-5-sonnet-20241022",
+                "claude-3-5-haiku-20241022",
+                "claude-3-7-sonnet-20250219",
+                "claude-opus-4-20250514",
+                "claude-opus-4-5-20251101",
+                "claude-opus-4-6",
+                "claude-sonnet-4-20250514",
+                "claude-sonnet-4-5-20250929",
+                "claude-sonnet-4-6",
+                "claude-haiku-4-5-20251001",
+                "global.anthropic.claude-haiku-4-5-20251001-v1:0"
+              ]
+            }
+          },
           "thinking": {
             "description": "Optional configuration for Anthropic's thinking feature.\nOnly applicable for claude-3-7-sonnet-20250219 model.\nIf provided, maxTokens must be greater than thinking.budgetTokens.",
             "allOf": [
@@ -62603,6 +62648,7 @@
               "assistant.model.requestAttemptStarted",
               "assistant.model.requestAttemptSucceeded",
               "assistant.model.requestAttemptFailed",
+              "assistant.knowledgeBase.requestSucceeded",
               "assistant.model.connectionOpened",
               "assistant.model.connectionClosed",
               "assistant.model.firstTokenReceived",
@@ -65952,7 +65998,8 @@
                 "enum": [
                   "admin",
                   "editor",
-                  "viewer"
+                  "viewer",
+                  "hipaa-special"
                 ]
               },
               {
@@ -66024,7 +66071,8 @@
                 "enum": [
                   "admin",
                   "editor",
-                  "viewer"
+                  "viewer",
+                  "hipaa-special"
                 ]
               },
               {