fix: propagate config fields to all layers (#5887)

Author: github-actions[bot]

docs/awf-config-spec.md

@@ -159,6 +159,8 @@ AWF settings MAY be supplied via config files, including stdin (`--config -`).
 - `apiProxy.targets.gemini.basePath` → `--gemini-api-base-path`
 - `apiProxy.targets.antigravity.basePath` → `--gemini-api-base-path`
 - When both `apiProxy.targets.antigravity` and `apiProxy.targets.gemini` are set, `antigravity` takes precedence per field.
+- `apiProxy.targets.vertex.host` → `--vertex-api-target`
+- `apiProxy.targets.vertex.basePath` → `--vertex-api-base-path`
 - `security.sslBump` → `--ssl-bump`
 - `security.enableDlp` → `--enable-dlp`
 - `security.enableHostAccess` → `--enable-host-access`

docs/awf-config.schema.json

@@ -244,6 +244,10 @@
               "$ref": "#/$defs/providerTarget",
               "description": "Google Gemini API target override."
             },
+            "vertex": {
+              "$ref": "#/$defs/providerTarget",
+              "description": "Google Vertex AI API target override."
+            },
             "antigravity": {
               "$ref": "#/$defs/providerTarget",
               "description": "Antigravity API target override (alias of Gemini runtime settings)."

src/awf-config-schema.json

@@ -244,6 +244,10 @@
               "$ref": "#/$defs/providerTarget",
               "description": "Google Gemini API target override."
             },
+            "vertex": {
+              "$ref": "#/$defs/providerTarget",
+              "description": "Google Vertex AI API target override."
+            },
             "antigravity": {
               "$ref": "#/$defs/providerTarget",
               "description": "Antigravity API target override (alias of Gemini runtime settings)."

src/config-file-mapping.test.ts

@@ -55,6 +55,7 @@ describe('mapAwfFileConfigToCliOptions', () => {
             sessionId: 'run-42',
           },
           gemini: { host: 'generativelanguage.googleapis.com', basePath: '/v1beta' },
+          vertex: { host: 'us-central1-aiplatform.googleapis.com', basePath: '/v1' },
         },
       },
     });
@@ -67,6 +68,8 @@ describe('mapAwfFileConfigToCliOptions', () => {
     expect(result.copilotByokSessionId).toBe('run-42');
     expect(result.geminiApiTarget).toBe('generativelanguage.googleapis.com');
     expect(result.geminiApiBasePath).toBe('/v1beta');
+    expect(result.vertexApiTarget).toBe('us-central1-aiplatform.googleapis.com');
+    expect(result.vertexApiBasePath).toBe('/v1');
   });
 
   it('maps authHeader fields for openai and anthropic targets', () => {

src/config-file.ts

@@ -52,6 +52,7 @@ export interface AwfFileConfig {
         sessionId?: string;
       };
       gemini?: { host?: string; basePath?: string };
+      vertex?: { host?: string; basePath?: string };
       antigravity?: { host?: string; basePath?: string };
     };
     models?: Record<string, string[]>;

src/config-mapper.ts

@@ -56,6 +56,8 @@ export function mapAwfFileConfigToCliOptions(config: AwfFileConfig): Record<stri
     copilotByokSessionId: config.apiProxy?.targets?.copilot?.sessionId,
     geminiApiTarget: antigravityTargetConfig?.host ?? geminiTargetConfig?.host,
     geminiApiBasePath: antigravityTargetConfig?.basePath ?? geminiTargetConfig?.basePath,
+    vertexApiTarget: config.apiProxy?.targets?.vertex?.host,
+    vertexApiBasePath: config.apiProxy?.targets?.vertex?.basePath,
     modelAliases: config.apiProxy?.models,
     allowedModels: config.apiProxy?.allowedModels,
     disallowedModels: config.apiProxy?.disallowedModels,