Normalize endpoint API root handling

apps/aether-gateway/src/handlers/admin/provider/query/models/model_test/tests.rs

@@ -3,6 +3,11 @@ use crate::handlers::admin::request::AdminGatewayProviderTransportSnapshot;
 use serde_json::json;
 
 fn sample_openai_image_transport(provider_type: &str) -> AdminGatewayProviderTransportSnapshot {
+    let base_url = if provider_type == "custom" {
+        "https://grok.com/v1/"
+    } else {
+        "https://grok.com/"
+    };
     AdminGatewayProviderTransportSnapshot {
         provider: crate::provider_transport::snapshot::GatewayProviderTransportProvider {
             id: "provider-1".to_string(),
@@ -26,7 +31,7 @@ fn sample_openai_image_transport(provider_type: &str) -> AdminGatewayProviderTra
             api_family: None,
             endpoint_kind: None,
             is_active: true,
-            base_url: "https://grok.com/".to_string(),
+            base_url: base_url.to_string(),
             header_rules: None,
             body_rules: None,
             max_retries: None,

apps/aether-gateway/src/model_fetch/tests.rs

@@ -271,7 +271,7 @@ async fn gateway_model_fetch_updates_key_and_syncs_provider_model_whitelist_asso
         .clone()
         .expect("execution runtime plan should be captured");
     assert_eq!(seen_plan.method, "GET");
-    assert_eq!(seen_plan.url, "https://api.openai.example/v1/models");
+    assert_eq!(seen_plan.url, "https://api.openai.example/models");
     assert_eq!(
         seen_plan.headers.get("authorization").map(String::as_str),
         Some("Bearer live-secret-api-key")
@@ -322,7 +322,7 @@ async fn gateway_model_fetch_updates_key_and_syncs_provider_model_whitelist_asso
     let seen_upstream = Arc::new(Mutex::new(None::<SeenUpstreamRequest>));
     let seen_upstream_clone = Arc::clone(&seen_upstream);
     let upstream = Router::new().route(
-        "/v1/models",
+        "/models",
         any(move |request: Request| {
             let seen_upstream_inner = Arc::clone(&seen_upstream_clone);
             async move {
@@ -538,7 +538,7 @@ async fn gateway_background_model_fetch_updates_key_and_syncs_provider_model_whi
         .expect("mutex should lock")
         .clone()
         .expect("execution runtime plan should be captured");
-    assert_eq!(seen_plan.url, "https://api.openai.example/v1/models");
+    assert_eq!(seen_plan.url, "https://api.openai.example/models");
 
     background_tasks.shutdown().await;
     execution_runtime_handle.abort();

apps/aether-gateway/src/tests/ai_execute/finalize_local.rs

@@ -365,7 +365,7 @@ async fn gateway_executes_openai_chat_sync_upstream_stream_via_local_finalize_re
     let provider_catalog_repository = Arc::new(InMemoryProviderCatalogReadRepository::seed(
         vec![sample_provider_catalog_provider()],
         vec![sample_provider_catalog_endpoint(
-            "https://api.openai.example",
+            "https://api.openai.example/v1",
         )],
         vec![sample_provider_catalog_key()],
     ));

apps/aether-gateway/src/tests/ai_execute/lifecycle.rs

@@ -126,7 +126,7 @@ fn sample_local_openai_endpoint() -> StoredProviderCatalogEndpoint {
     )
     .expect("endpoint should build")
     .with_transport_fields(
-        "https://api.openai.example".to_string(),
+        "https://api.openai.example/v1".to_string(),
         None,
         None,
         Some(2),

apps/aether-gateway/src/tests/ai_execute/stream/decision.rs

@@ -348,7 +348,7 @@ async fn gateway_executes_openai_chat_stream_via_local_decision_gate_without_exe
     let (upstream_url, upstream_handle) = start_server(upstream).await;
     let (provider_url, provider_handle) = start_server(provider).await;
     let mut primary_endpoint = sample_provider_catalog_endpoint();
-    primary_endpoint.base_url = provider_url.clone();
+    primary_endpoint.base_url = format!("{provider_url}/v1");
     backup_endpoint.base_url = "http://127.0.0.1:9".to_string();
     let provider_catalog_repository = Arc::new(InMemoryProviderCatalogReadRepository::seed(
         vec![sample_provider_catalog_provider(), backup_provider],
@@ -2300,7 +2300,7 @@ async fn gateway_retries_next_local_openai_chat_stream_candidate_after_retryable
     );
     assert_eq!(
         seen_execution_runtime_requests[0].url,
-        "https://api.openai.primary.example/v1/chat/completions"
+        "https://api.openai.primary.example/chat/completions"
     );
     assert_eq!(
         seen_execution_runtime_requests[0].authorization,
@@ -2308,7 +2308,7 @@ async fn gateway_retries_next_local_openai_chat_stream_candidate_after_retryable
     );
     assert_eq!(
         seen_execution_runtime_requests[1].url,
-        "https://api.openai.backup.example/v1/chat/completions"
+        "https://api.openai.backup.example/chat/completions"
     );
     assert_eq!(
         seen_execution_runtime_requests[1].model,

apps/aether-gateway/src/tests/ai_execute/stream/image.rs

@@ -1068,7 +1068,7 @@ async fn gateway_routes_openai_responses_stream_image_intent_to_openai_image_pla
             "responses-stream-image-bridge",
             "image-provider",
             "custom",
-            "https://images.example.com",
+            "https://images.example.com/v1",
             execution_runtime_url,
         )
         .await;

apps/aether-gateway/src/tests/ai_execute/stream/pii_redaction.rs

@@ -234,7 +234,7 @@ async fn ai_execute_stream_pii_redaction_round_trip() {
     let seen_provider_request = Arc::new(Mutex::new(None::<SeenProviderStreamRequest>));
     let seen_provider_request_clone = Arc::clone(&seen_provider_request);
     let provider_app = Router::new().route(
-        "/v1/chat/completions",
+        "/chat/completions",
         any(move |request: Request| {
             let seen_provider_request_inner = Arc::clone(&seen_provider_request_clone);
             async move {

apps/aether-gateway/src/tests/ai_execute/sync/chat/failover.rs

@@ -378,7 +378,7 @@ async fn gateway_skips_unsupported_local_openai_chat_sync_candidate_before_tryin
     );
     assert_eq!(
         seen_execution_runtime_request.url,
-        "https://api.openai.backup.example/v1/chat/completions"
+        "https://api.openai.backup.example/chat/completions"
     );
     assert_eq!(
         seen_execution_runtime_request.model,
@@ -1115,7 +1115,7 @@ async fn gateway_retries_next_local_openai_chat_sync_candidate_after_auth_failur
     );
     assert_eq!(
         seen_execution_runtime_requests[0].url,
-        "https://api.openai.primary.example/v1/chat/completions"
+        "https://api.openai.primary.example/chat/completions"
     );
     assert_eq!(
         seen_execution_runtime_requests[0].authorization,
@@ -1123,7 +1123,7 @@ async fn gateway_retries_next_local_openai_chat_sync_candidate_after_auth_failur
     );
     assert_eq!(
         seen_execution_runtime_requests[1].url,
-        "https://api.openai.backup.example/v1/chat/completions"
+        "https://api.openai.backup.example/chat/completions"
     );
     assert_eq!(
         seen_execution_runtime_requests[1].model,

apps/aether-gateway/src/tests/ai_execute/sync/chat/local_decision.rs

@@ -233,7 +233,7 @@ async fn proxy_pii_redaction_local_openai_chat_runtime_masks_headers_and_restore
     let seen_provider_request = Arc::new(Mutex::new(None::<SeenProviderRequest>));
     let seen_provider_request_clone = Arc::clone(&seen_provider_request);
     let provider_app = Router::new().route(
-        "/v1/chat/completions",
+        "/chat/completions",
         any(move |request: Request| {
             let seen_provider_request_inner = Arc::clone(&seen_provider_request_clone);
             async move {
@@ -491,7 +491,7 @@ async fn gateway_executes_openai_chat_sync_via_local_decision_gate_without_execu
         )
         .expect("endpoint should build")
         .with_transport_fields(
-            "https://api.openai.example".to_string(),
+            "https://api.openai.example/v1".to_string(),
             None,
             None,
             Some(2),
@@ -669,7 +669,7 @@ async fn gateway_executes_openai_chat_sync_via_local_decision_gate_without_execu
     let (upstream_url, upstream_handle) = start_server(upstream).await;
     let (provider_url, provider_handle) = start_server(provider).await;
     let mut primary_endpoint = sample_provider_catalog_endpoint();
-    primary_endpoint.base_url = provider_url.clone();
+    primary_endpoint.base_url = format!("{provider_url}/v1");
     let provider_catalog_repository = Arc::new(InMemoryProviderCatalogReadRepository::seed(
         vec![sample_provider_catalog_provider(), backup_provider],
         {
@@ -871,7 +871,7 @@ async fn gateway_executes_openai_chat_sync_with_regex_model_mapping_in_execution
         )
         .expect("endpoint should build")
         .with_transport_fields(
-            "https://api.openai.example".to_string(),
+            "https://api.openai.example/v1".to_string(),
             None,
             None,
             Some(2),

apps/aether-gateway/src/tests/ai_execute/sync/chat/pii_redaction.rs

@@ -308,7 +308,7 @@ async fn run_sync_redaction_case_with_system_config(
     let seen_provider_request = Arc::new(Mutex::new(None::<SeenProviderRequest>));
     let seen_provider_request_clone = Arc::clone(&seen_provider_request);
     let provider_app = Router::new().route(
-        "/v1/chat/completions",
+        "/chat/completions",
         any(move |request: Request| {
             let seen_provider_request_inner = Arc::clone(&seen_provider_request_clone);
             async move {
@@ -631,7 +631,7 @@ async fn ai_execute_pii_redaction_restores_executed_candidate_session_after_late
     let seen_provider_request = Arc::new(Mutex::new(None::<SeenProviderRequest>));
     let seen_provider_request_clone = Arc::clone(&seen_provider_request);
     let provider_app = Router::new().route(
-        "/v1/chat/completions",
+        "/chat/completions",
         any(move |request: Request| {
             let seen_provider_request_inner = Arc::clone(&seen_provider_request_clone);
             async move {

apps/aether-gateway/src/tests/ai_execute/sync/image.rs

@@ -486,7 +486,7 @@ async fn gateway_converts_gemini_image_sync_to_openai_image_provider_impl() {
         StoredProviderCatalogProvider::new(
             "provider-openai-image-bridge-1".to_string(),
             "openai".to_string(),
-            Some("https://api.openai.com".to_string()),
+            Some("https://api.openai.com/v1".to_string()),
             "openai".to_string(),
         )
         .expect("provider should build")
@@ -514,7 +514,7 @@ async fn gateway_converts_gemini_image_sync_to_openai_image_provider_impl() {
         )
         .expect("endpoint should build")
         .with_transport_fields(
-            "https://api.openai.com".to_string(),
+            "https://api.openai.com/v1".to_string(),
             None,
             None,
             Some(2),

apps/aether-gateway/src/tests/async_task.rs

@@ -540,7 +540,7 @@ async fn gateway_cancels_openai_video_task_via_internal_async_task_endpoint() {
                     "format_converted": false
                 },
                 "transport": {
-                    "upstream_base_url": "https://api.openai.example",
+                    "upstream_base_url": "https://api.openai.example/v1",
                     "provider_name": "openai-video",
                     "provider_id": "provider-1",
                     "endpoint_id": "endpoint-1",
@@ -670,6 +670,7 @@ async fn gateway_cancels_openai_video_task_via_internal_async_task_endpoint_with
     );
     task.external_task_id = Some("ext-video-task-123".to_string());
     let (upstream_url, upstream_handle) = start_server(upstream).await;
+    let upstream_api_root = format!("{upstream_url}/v1");
     task.request_metadata = Some(json!({
         "rust_local_snapshot": {
             "OpenAi": {
@@ -702,7 +703,7 @@ async fn gateway_cancels_openai_video_task_via_internal_async_task_endpoint_with
                     "format_converted": false
                 },
                 "transport": {
-                    "upstream_base_url": upstream_url,
+                    "upstream_base_url": upstream_api_root,
                     "provider_name": "openai-video",
                     "provider_id": "provider-1",
                     "endpoint_id": "endpoint-1",

apps/aether-gateway/src/tests/audit.rs

@@ -172,7 +172,7 @@ async fn gateway_exposes_request_id_header_for_local_execution_response() {
         ]));
 
     let provider = Router::new().route(
-        "/v1/chat/completions",
+        "/chat/completions",
         any(|_request: Request| async move {
             Json(json!({
                 "id": "chatcmpl-direct-audit-123",

apps/aether-gateway/src/tests/control/admin/endpoints/keys.rs

@@ -847,7 +847,7 @@ async fn gateway_fetches_allowed_models_immediately_when_creating_key_with_auto_
             "endpoint-openai-chat",
             "provider-openai",
             "openai:chat",
-            "https://api.openai.example",
+            "https://api.openai.example/v1",
         )],
         vec![],
     ));
@@ -1662,7 +1662,7 @@ async fn gateway_overwrites_allowed_models_immediately_when_enabling_auto_fetch(
             "endpoint-openai-chat",
             "provider-openai",
             "openai:chat",
-            "https://api.openai.example",
+            "https://api.openai.example/v1",
         )],
         vec![key],
     ));
@@ -1770,7 +1770,7 @@ async fn gateway_fetches_allowed_models_immediately_when_enabling_auto_fetch_fro
             "endpoint-openai-chat",
             "provider-openai",
             "openai:chat",
-            "https://api.openai.example",
+            "https://api.openai.example/v1",
         )],
         vec![key],
     ));
@@ -1878,7 +1878,7 @@ async fn gateway_refreshes_allowed_models_when_updating_include_patterns_with_au
             "endpoint-openai-chat",
             "provider-openai",
             "openai:chat",
-            "https://api.openai.example",
+            "https://api.openai.example/v1",
         )],
         vec![key],
     ));
@@ -1982,7 +1982,7 @@ async fn gateway_refreshes_allowed_models_when_updating_exclude_patterns_with_au
             "endpoint-openai-chat",
             "provider-openai",
             "openai:chat",
-            "https://api.openai.example",
+            "https://api.openai.example/v1",
         )],
         vec![key],
     ));

apps/aether-gateway/src/tests/control/admin/provider_query.rs

@@ -175,7 +175,7 @@ async fn gateway_handles_admin_provider_query_models_fetches_upstream_for_select
         )
         .expect("endpoint should build")
         .with_transport_fields(
-            "https://api.openai.example".to_string(),
+            "https://api.openai.example/v1".to_string(),
             None,
             None,
             None,
@@ -432,7 +432,7 @@ async fn gateway_handles_admin_provider_query_models_with_openai_responses_endpo
         )
         .expect("endpoint should build")
         .with_transport_fields(
-            "https://api.openai.example".to_string(),
+            "https://api.openai.example/v1".to_string(),
             None,
             None,
             None,
@@ -649,7 +649,7 @@ async fn gateway_handles_admin_provider_query_models_respecting_key_api_formats(
             )
             .expect("endpoint should build")
             .with_transport_fields(
-                "https://api.openai.example".to_string(),
+                "https://api.openai.example/v1".to_string(),
                 None,
                 None,
                 None,
@@ -669,7 +669,7 @@ async fn gateway_handles_admin_provider_query_models_respecting_key_api_formats(
             )
             .expect("endpoint should build")
             .with_transport_fields(
-                "https://api.openai.example".to_string(),
+                "https://api.openai.example/v1".to_string(),
                 None,
                 None,
                 None,
@@ -798,7 +798,7 @@ async fn gateway_handles_admin_provider_query_models_aggregating_active_keys() {
         )
         .expect("endpoint should build")
         .with_transport_fields(
-            "https://api.openai.example".to_string(),
+            "https://api.openai.example/v1".to_string(),
             None,
             None,
             None,
@@ -1007,7 +1007,7 @@ async fn gateway_handles_admin_provider_query_test_model_locally_with_trusted_ad
             "endpoint-openai-chat",
             "provider-openai",
             "openai:chat",
-            "https://api.openai.example",
+            "https://api.openai.example/v1",
         )],
         vec![sample_key(
             "key-openai-primary",
@@ -1066,7 +1066,7 @@ async fn gateway_handles_admin_provider_query_embedding_model_test() {
             assert_eq!(plan.key_id, "key-siliconflow-embedding");
             assert_eq!(plan.client_api_format, "openai:embedding");
             assert_eq!(plan.provider_api_format, "openai:embedding");
-            assert_eq!(plan.url, "https://api.siliconflow.example/v1/embeddings");
+            assert_eq!(plan.url, "https://api.siliconflow.example/embeddings");
             assert_eq!(plan.model_name.as_deref(), Some("Qwen/Qwen3-Embedding-4B"));
             assert!(!plan.stream);
             assert_eq!(
@@ -1546,7 +1546,7 @@ async fn gateway_handles_admin_provider_query_jina_embedding_model_test() {
             assert_eq!(plan.key_id, "key-jina-embedding");
             assert_eq!(plan.client_api_format, "openai:embedding");
             assert_eq!(plan.provider_api_format, "jina:embedding");
-            assert_eq!(plan.url, "https://api.jina.example/v1/embeddings");
+            assert_eq!(plan.url, "https://api.jina.example/embeddings");
             assert_eq!(plan.model_name.as_deref(), Some("jina-embeddings-v3"));
             assert!(!plan.stream);
             assert_eq!(
@@ -1775,7 +1775,7 @@ async fn gateway_handles_admin_provider_query_rerank_model_test() {
             assert_eq!(plan.key_id, "key-jina-rerank");
             assert_eq!(plan.client_api_format, "openai:rerank");
             assert_eq!(plan.provider_api_format, "jina:rerank");
-            assert_eq!(plan.url, "https://api.jina.example/v1/rerank");
+            assert_eq!(plan.url, "https://api.jina.example/rerank");
             assert_eq!(
                 plan.model_name.as_deref(),
                 Some("jina-reranker-v2-base-multilingual")
@@ -2736,7 +2736,7 @@ async fn gateway_handles_admin_provider_query_test_model_failover_locally_with_t
             "endpoint-openai-chat",
             "provider-openai",
             "openai:chat",
-            "https://api.openai.example",
+            "https://api.openai.example/v1",
         )],
         vec![
             sample_key(
@@ -3504,7 +3504,7 @@ async fn gateway_handles_non_kiro_multi_model_failover_locally() {
             "endpoint-openai-chat",
             "provider-openai",
             "openai:chat",
-            "https://api.openai.example",
+            "https://api.openai.example/v1",
         )],
         vec![sample_key(
             "key-openai-primary",
@@ -3799,7 +3799,7 @@ async fn gateway_handles_openai_image_test_model_locally() {
             "endpoint-openai-image",
             "provider-openai",
             "openai:image",
-            "https://api.openai.example",
+            "https://api.openai.example/v1",
         )],
         vec![sample_key(
             "key-openai-image",
@@ -4112,13 +4112,13 @@ async fn gateway_prefers_supported_non_kiro_endpoint_when_api_format_is_omitted(
                 "endpoint-openai-cli",
                 "provider-openai",
                 "openai:responses",
-                "https://api.openai.example",
+                "https://api.openai.example/v1",
             ),
             sample_endpoint(
                 "endpoint-openai-chat",
                 "provider-openai",
                 "openai:chat",
-                "https://api.openai.example",
+                "https://api.openai.example/v1",
             ),
         ],
         vec![
@@ -4215,7 +4215,7 @@ async fn gateway_prefers_transport_supported_non_kiro_endpoint_when_api_format_i
         "endpoint-openai-chat-unsupported",
         "provider-openai",
         "openai:chat",
-        "https://api.openai.example",
+        "https://api.openai.example/v1",
     );
     unsupported_endpoint.header_rules = Some(json!({"invalid": true}));
     let provider_catalog_repository = Arc::new(InMemoryProviderCatalogReadRepository::seed(
@@ -4226,7 +4226,7 @@ async fn gateway_prefers_transport_supported_non_kiro_endpoint_when_api_format_i
                 "endpoint-openai-chat-supported",
                 "provider-openai",
                 "openai:chat",
-                "https://api.openai.example",
+                "https://api.openai.example/v1",
             ),
         ],
         vec![sample_key(
@@ -4322,7 +4322,7 @@ async fn gateway_prefers_supported_non_kiro_endpoint_with_compatible_key_when_ap
                 "endpoint-openai-chat",
                 "provider-openai",
                 "openai:chat",
-                "https://api.openai.example",
+                "https://api.openai.example/v1",
             ),
         ],
         vec![sample_key(
@@ -4411,13 +4411,13 @@ async fn gateway_uses_compatible_cli_endpoint_when_api_format_is_omitted() {
                 "endpoint-openai-chat",
                 "provider-openai",
                 "openai:chat",
-                "https://api.openai.example",
+                "https://api.openai.example/v1",
             ),
             sample_endpoint(
                 "endpoint-openai-cli",
                 "provider-openai",
                 "openai:responses",
-                "https://api.openai.example",
+                "https://api.openai.example/v1",
             ),
         ],
         vec![sample_key(
@@ -4503,14 +4503,14 @@ async fn gateway_uses_runnable_cli_endpoint_after_chat_preference_when_api_forma
         "endpoint-openai-chat-unsupported",
         "provider-openai",
         "openai:chat",
-        "https://api.openai.example",
+        "https://api.openai.example/v1",
     );
     unsupported_chat_endpoint.header_rules = Some(json!({"invalid": true}));
     let cli_endpoint = sample_endpoint(
         "endpoint-openai-cli-runnable",
         "provider-openai",
         "openai:responses",
-        "https://api.openai.example",
+        "https://api.openai.example/v1",
     );
     let mut shared_key = sample_key(
         "key-openai-shared",
@@ -4604,7 +4604,7 @@ async fn gateway_handles_openai_responses_test_model_failover_locally() {
             "endpoint-openai-cli",
             "provider-openai",
             "openai:responses",
-            "https://api.openai.example",
+            "https://api.openai.example/v1",
         )],
         vec![sample_key(
             "key-openai-cli",
@@ -4698,7 +4698,7 @@ async fn gateway_handles_claude_cli_test_model_locally() {
             "endpoint-claude-cli",
             "provider-claude",
             "claude:messages",
-            "https://api.anthropic.example",
+            "https://api.anthropic.example/v1",
         )],
         vec![sample_key(
             "key-claude-cli",
@@ -4786,7 +4786,7 @@ async fn gateway_uses_compatible_claude_cli_endpoint_when_api_format_is_omitted(
             "endpoint-claude-cli",
             "provider-claude",
             "claude:messages",
-            "https://api.anthropic.example",
+            "https://api.anthropic.example/v1",
         )],
         vec![sample_key(
             "key-claude-cli",
@@ -4875,7 +4875,7 @@ async fn gateway_handles_claude_cli_test_model_failover_locally() {
             "endpoint-claude-cli",
             "provider-claude",
             "claude:messages",
-            "https://api.anthropic.example",
+            "https://api.anthropic.example/v1",
         )],
         vec![sample_key(
             "key-claude-cli",
@@ -5653,7 +5653,7 @@ async fn gateway_handles_admin_provider_query_test_model_failover_with_single_mo
             "endpoint-openai-chat",
             "provider-openai",
             "openai:chat",
-            "https://api.openai.example",
+            "https://api.openai.example/v1",
         )],
         vec![sample_key(
             "key-openai-alias",
@@ -5766,7 +5766,7 @@ async fn gateway_retries_non_kiro_failover_after_http_error_without_message() {
             "endpoint-openai-chat",
             "provider-openai",
             "openai:chat",
-            "https://api.openai.example",
+            "https://api.openai.example/v1",
         )],
         vec![
             sample_key(
@@ -5886,7 +5886,7 @@ async fn gateway_retries_non_kiro_failover_after_success_status_without_body() {
             "endpoint-openai-chat",
             "provider-openai",
             "openai:chat",
-            "https://api.openai.example",
+            "https://api.openai.example/v1",
         )],
         vec![
             sample_key(

apps/aether-gateway/src/tests/control/admin/usage.rs

@@ -2516,7 +2516,7 @@ async fn gateway_handles_admin_usage_curl_locally_with_trusted_admin_principal()
     assert_eq!(payload["method"], "POST");
     assert_eq!(
         payload["url"],
-        "https://api.openai.example/v1/chat/completions"
+        "https://api.openai.example/chat/completions"
     );
     assert_eq!(payload["headers"]["Content-Type"], "application/json");
     assert_eq!(payload["headers"]["Authorization"], "Bearer provider-real");
@@ -2536,7 +2536,7 @@ async fn gateway_handles_admin_usage_curl_locally_with_trusted_admin_principal()
     );
     let curl = payload["curl"].as_str().expect("curl should be string");
     assert!(curl.contains("curl"));
-    assert!(curl.contains("https://api.openai.example/v1/chat/completions"));
+    assert!(curl.contains("https://api.openai.example/chat/completions"));
     assert!(curl.contains("Content-Type: application/json"));
     assert!(curl.contains("Authorization: Bearer provider-real"));
     assert!(curl.contains("\"model\":\"gpt-5-target\""));

apps/aether-gateway/src/tests/control/admin/video_tasks.rs

@@ -569,7 +569,7 @@ async fn gateway_cancels_admin_video_task_locally_with_trusted_admin_principal()
                     "format_converted": false
                 },
                 "transport": {
-                    "upstream_base_url": "https://api.openai.example",
+                    "upstream_base_url": "https://api.openai.example/v1",
                     "provider_name": "openai-video",
                     "provider_id": "provider-openai",
                     "endpoint_id": "endpoint-1",

apps/aether-gateway/src/tests/control/proxy/embeddings.rs

@@ -304,7 +304,7 @@ fn assert_embedding_execution_plan(plan: &ExecutionPlan) {
     assert_eq!(plan.client_api_format, "openai:embedding");
     assert_eq!(plan.provider_api_format, "openai:embedding");
     assert_eq!(plan.method, "POST");
-    assert_eq!(plan.url, "https://api.openai.example/v1/embeddings");
+    assert_eq!(plan.url, "https://api.openai.example/embeddings");
     assert_eq!(plan.model_name.as_deref(), Some("text-embedding-3-small"));
     let body = plan.body.json_body.as_ref().expect("json request body");
     assert_eq!(body["model"], "upstream-embedding");

apps/aether-gateway/src/tests/control/proxy/rerank.rs

@@ -112,7 +112,7 @@ fn assert_rerank_execution_plan(plan: &ExecutionPlan) {
     assert_eq!(plan.client_api_format, "openai:rerank");
     assert_eq!(plan.provider_api_format, "openai:rerank");
     assert_eq!(plan.method, "POST");
-    assert_eq!(plan.url, "https://api.openai.example/v1/rerank");
+    assert_eq!(plan.url, "https://api.openai.example/rerank");
     assert_eq!(plan.model_name.as_deref(), Some("bge-reranker-base"));
     let body = plan.body.json_body.as_ref().expect("json request body");
     assert_eq!(body["model"], "upstream-rerank");

apps/aether-gateway/src/tests/frontdoor/public_support.rs

@@ -1932,7 +1932,7 @@ async fn gateway_handles_public_test_connection_without_hitting_fallback_probe()
     let provider_hits = Arc::new(Mutex::new(0usize));
     let provider_hits_clone = Arc::clone(&provider_hits);
     let provider = Router::new().route(
-        "/v1/chat/completions",
+        "/chat/completions",
         any(move |request: Request| {
             let provider_hits_inner = Arc::clone(&provider_hits_clone);
             async move {

apps/aether-gateway/src/tests/usage.rs

@@ -140,7 +140,7 @@ pub(super) fn sample_local_openai_endpoint() -> StoredProviderCatalogEndpoint {
     )
     .expect("endpoint should build")
     .with_transport_fields(
-        "https://api.openai.example".to_string(),
+        "https://api.openai.example/v1".to_string(),
         None,
         None,
         Some(2),

apps/aether-gateway/src/tests/usage/pricing.rs

@@ -68,7 +68,7 @@ const OPENAI_SPEC: ProviderSpec = ProviderSpec {
     global_model_id: "global-model-openai-usage-pricing-1",
     global_model_name: "gpt-5",
     provider_model_name: "gpt-5-upstream",
-    upstream_base_url: "https://api.openai.example",
+    upstream_base_url: "https://api.openai.example/v1",
     upstream_secret: "sk-upstream-openai-usage-pricing",
 };
 
@@ -82,7 +82,7 @@ const CLAUDE_SPEC: ProviderSpec = ProviderSpec {
     global_model_id: "global-model-claude-usage-pricing-1",
     global_model_name: "claude-sonnet-4-5",
     provider_model_name: "claude-sonnet-4-5-upstream",
-    upstream_base_url: "https://api.anthropic.example",
+    upstream_base_url: "https://api.anthropic.example/v1",
     upstream_secret: "sk-upstream-claude-usage-pricing",
 };
 

apps/aether-gateway/src/tests/video/openai_sync_create.rs

@@ -715,7 +715,7 @@ async fn gateway_executes_openai_video_remix_via_data_backed_local_follow_up_wit
                             "format_converted": false
                         },
                         "transport": {
-                            "upstream_base_url": "https://api.openai.example",
+                            "upstream_base_url": "https://api.openai.example/v1",
                             "provider_name": "openai-video",
                             "provider_id": "provider-openai-video-local-1",
                             "endpoint_id": "endpoint-openai-video-local-1",

apps/aether-gateway/src/tests/video/openai_sync_task.rs

@@ -69,7 +69,7 @@ async fn gateway_executes_openai_video_delete_via_reconstructed_data_backed_loca
         )
         .expect("endpoint should build")
         .with_transport_fields(
-            "https://api.openai.example".to_string(),
+            "https://api.openai.example/v1".to_string(),
             None,
             None,
             Some(2),

apps/aether-gateway/src/tests/video/registry_poller.rs

@@ -165,7 +165,7 @@ async fn gateway_background_video_task_poller_refreshes_due_openai_task_from_rep
     let (execution_runtime_url, execution_runtime_handle) = start_server(execution_runtime).await;
     let repository = Arc::new(InMemoryVideoTaskRepository::default());
     repository
-        .upsert(sample_due_openai_task("https://api.openai.example"))
+        .upsert(sample_due_openai_task("https://api.openai.example/v1"))
         .await
         .expect("task upsert should succeed");
 
@@ -268,9 +268,10 @@ async fn gateway_background_video_task_poller_refreshes_due_openai_task_from_rep
     );
 
     let (upstream_url, upstream_handle) = start_server(upstream).await;
+    let upstream_api_root = format!("{upstream_url}/v1");
     let repository = Arc::new(InMemoryVideoTaskRepository::default());
     repository
-        .upsert(sample_due_openai_task(&upstream_url))
+        .upsert(sample_due_openai_task(&upstream_api_root))
         .await
         .expect("task upsert should succeed");
 

apps/aether-gateway/src/tests/video/stream.rs

@@ -66,7 +66,7 @@ async fn gateway_executes_openai_video_content_from_reconstructed_data_task_with
         )
         .expect("endpoint should build")
         .with_transport_fields(
-            "https://api.openai.example".to_string(),
+            "https://api.openai.example/v1".to_string(),
             None,
             None,
             Some(2),

apps/aether-gateway/src/video_tasks/tests/sync.rs

@@ -359,7 +359,7 @@ fn seed_captures_transport_metadata_from_execution_plan() {
     };
     assert_eq!(
         seed.transport.upstream_base_url,
-        "https://api.openai.example"
+        "https://api.openai.example/v1"
     );
     assert_eq!(seed.transport.provider_id, "provider-123");
     assert_eq!(seed.transport.endpoint_id, "endpoint-123");