workspace-server/internal/providers/gen/registry_gen.go

@@ -16,7 +16,7 @@ const SchemaVersion = 1
 // Fingerprint is a stable content hash of the generated projection (schema
 // version + provider catalog + runtime native sets). It changes iff the
 // registry DATA changes (comment-only YAML edits do not churn it).
-const Fingerprint = "a491f5ff8a17ef59"
+const Fingerprint = "ae33546c8fba3474"
 
 // GenProvider is the generated projection of one provider catalog entry —
 // the subset a downstream consumer needs to derive + display a provider.
@@ -91,7 +91,6 @@ var Runtimes = map[string][]GenRuntimeRef{
 	"google-adk": {
 		{Name: "platform", Models: []string{"platform:gemini-2.5-pro", "platform:gemini-2.5-flash"}},
 		{Name: "google", Models: []string{"gemini-2.5-pro", "gemini-2.5-flash"}},
-		{Name: "vertex", Models: []string{"vertex:gemini-2.5-pro"}},
 	},
 	"hermes": {
 		{Name: "kimi-coding", Models: []string{"kimi-coding/kimi-k2"}},

workspace-server/internal/providers/providers.yaml

@@ -869,9 +869,3 @@ runtimes:
         models:
           - gemini-2.5-pro
           - gemini-2.5-flash
-      # DEPRECATED transitional: vertex: ids stay registered until templates
-      # move to platform: (superseded by the platform arm above). Remove in a
-      # cleanup once no template references vertex:gemini-*.
-      - name: vertex
-        models:
-          - vertex:gemini-2.5-pro

workspace-server/internal/providers/providers_test.go

@@ -249,11 +249,17 @@ func TestGoogleADKRuntimeRegistered(t *testing.T) {
 }
 
 // TestVertexProviderRegistered locks the keyless Vertex provider variant in the
-// providers.yaml SSOT. google-adk serves Gemini via Vertex AI with ADC/WIF
-// (no API key); the registry must model that as a first-class "vertex" provider
-// (auth_env GOOGLE_APPLICATION_CREDENTIALS, ^vertex: namespace) distinct from
-// the API-key "google" vendor, and the google-adk runtime must offer both arms.
-// See project_canvas_runtime_dropdown_ssot_fix.
+// providers.yaml SSOT. google-adk serves platform-managed Gemini via the LLM
+// proxy -> Vertex AI with server-side WIF (no on-box key); the registry must
+// still model the keyless "vertex" provider (auth_env GOOGLE_APPLICATION_CREDENTIALS,
+// ^vertex: namespace) as a first-class entry distinct from the API-key "google"
+// vendor, so the proxy can still route/bill any Vertex-upstream request that
+// carries a `vertex:` id. The TRANSITIONAL `vertex:` arm on the google-adk
+// RUNTIME (the selectable model set) was removed in cp#514 now that templates
+// default to `platform:`; the runtime offers only the `platform` + API-key
+// `google` arms. A saved `vertex:gemini-*` model still RESOLVES harmlessly via
+// this standalone provider (it is just no longer offered as a new selection).
+// See project_canvas_runtime_dropdown_ssot_fix + cp#514.
 func TestVertexProviderRegistered(t *testing.T) {
 	ps, err := Load()
 	if err != nil {
@@ -298,20 +304,23 @@ func TestVertexProviderRegistered(t *testing.T) {
 	for _, p := range provs {
 		names[p.Name] = true
 	}
-	if !names["vertex"] {
-		t.Errorf("google-adk runtime should offer the keyless vertex arm; got %v", names)
+	// cp#514: the transitional `vertex` arm was dropped from the google-adk
+	// runtime. The runtime keeps the platform-managed default + the API-key
+	// google arm; the standalone `vertex` PROVIDER (asserted above) survives
+	// for ^vertex: resolution but is no longer a selectable runtime arm.
+	if names["vertex"] {
+		t.Errorf("google-adk runtime should NOT offer the transitional vertex arm (removed cp#514); got %v", names)
+	}
+	if !names["platform"] {
+		t.Errorf("google-adk runtime should keep the platform-managed arm; got %v", names)
 	}
 	if !names["google"] {
 		t.Errorf("google-adk runtime should keep the API-key google arm; got %v", names)
 	}
 	models, _ := m.ModelsForRuntime("google-adk")
-	hasVertexModel := false
 	for _, id := range models {
 		if id == "vertex:gemini-2.5-pro" {
-			hasVertexModel = true
+			t.Errorf("google-adk models should NOT include vertex:gemini-2.5-pro (removed cp#514); got %v", models)
 		}
 	}
-	if !hasVertexModel {
-		t.Errorf("google-adk models should include vertex:gemini-2.5-pro; got %v", models)
-	}
 }

workspace-server/internal/providers/sync_canonical_test.go

@@ -29,7 +29,7 @@ import (
 // canonicalProvidersYAMLSHA256 is the sha256 of the canonical providers.yaml as
 // synced from molecule-controlplane. Bumped deliberately on each re-sync (see
 // file doc). Cross-checked live by the sync-providers-yaml CI workflow.
-const canonicalProvidersYAMLSHA256 = "021ae082c2bbbbb61c406cae03205ac6b7fff160ae5976cfc64de3de676d02b2"
+const canonicalProvidersYAMLSHA256 = "8e19aaf8a2a37cdd109184ae80ca223ce0a0ce0ed30299a52aa990271da5af7a"
 
 func TestSyncedYAMLMatchesCanonicalSHA(t *testing.T) {
 	sum := sha256.Sum256(embeddedYAML)