refactor: remove unnecessary assertion (google-gemini#2579)

Author: noritaka1166

packages/cli/src/config/settings.test.ts

@@ -43,7 +43,6 @@ import stripJsonComments from 'strip-json-comments'; // Will be mocked separatel
 
 // These imports will get the versions from the vi.mock('./settings.js', ...) factory.
 import {
-  LoadedSettings,
   loadSettings,
   USER_SETTINGS_PATH, // This IS the mocked path.
   SETTINGS_DIRECTORY_NAME, // This is from the original module, but used by the mock.
@@ -595,7 +594,7 @@ describe('Settings Loading and Merging', () => {
   describe('LoadedSettings class', () => {
     it('setValue should update the correct scope and recompute merged settings', () => {
       (mockFsExistsSync as Mock).mockReturnValue(false);
-      const loadedSettings = loadSettings(MOCK_WORKSPACE_DIR) as LoadedSettings;
+      const loadedSettings = loadSettings(MOCK_WORKSPACE_DIR);
 
       vi.mocked(fs.writeFileSync).mockImplementation(() => {});
       // mkdirSync is mocked in beforeEach to return undefined, which is fine for void usage

packages/cli/src/ui/hooks/slashCommandProcessor.ts

@@ -127,10 +127,7 @@ export const useSlashCommandProcessor = (
         };
       } else {
         historyItemContent = {
-          type: message.type as
-            | MessageType.INFO
-            | MessageType.ERROR
-            | MessageType.USER,
+          type: message.type,
           text: message.content,
         };
       }

packages/core/src/core/coreToolScheduler.ts

@@ -282,21 +282,9 @@ export class CoreToolScheduler {
 
       // currentCall is a non-terminal state here and should have startTime and tool.
       const existingStartTime = currentCall.startTime;
-      const toolInstance = (
-        currentCall as
-          | ValidatingToolCall
-          | ScheduledToolCall
-          | ExecutingToolCall
-          | WaitingToolCall
-      ).tool;
-
-      const outcome = (
-        currentCall as
-          | ValidatingToolCall
-          | ScheduledToolCall
-          | ExecutingToolCall
-          | WaitingToolCall
-      ).outcome;
+      const toolInstance = currentCall.tool;
+
+      const outcome = currentCall.outcome;
 
       switch (newStatus) {
         case 'success': {
@@ -579,7 +567,7 @@ export class CoreToolScheduler {
       callsToExecute.forEach((toolCall) => {
         if (toolCall.status !== 'scheduled') return;
 
-        const scheduledCall = toolCall as ScheduledToolCall;
+        const scheduledCall = toolCall;
         const { callId, name: toolName } = scheduledCall.request;
         this.setStatusInternal(callId, 'executing');
 
@@ -591,7 +579,7 @@ export class CoreToolScheduler {
                 }
                 this.toolCalls = this.toolCalls.map((tc) =>
                   tc.request.callId === callId && tc.status === 'executing'
-                    ? { ...(tc as ExecutingToolCall), liveOutput: outputChunk }
+                    ? { ...tc, liveOutput: outputChunk }
                     : tc,
                 );
                 this.notifyToolCallsUpdate();

packages/core/src/core/geminiChat.ts

@@ -542,7 +542,7 @@ export class GeminiChat {
       automaticFunctionCallingHistory.length > 0
     ) {
       this.history.push(
-        ...extractCuratedHistory(automaticFunctionCallingHistory!),
+        ...extractCuratedHistory(automaticFunctionCallingHistory),
       );
     } else {
       this.history.push(userInput);

packages/core/src/tools/web-fetch.ts

@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import { GroundingMetadata } from '@google/genai';
 import { SchemaValidator } from '../utils/schemaValidator.js';
 import {
   BaseTool,
@@ -255,9 +254,7 @@ ${textContent}
 
       let responseText = getResponseText(response) || '';
       const urlContextMeta = response.candidates?.[0]?.urlContextMetadata;
-      const groundingMetadata = response.candidates?.[0]?.groundingMetadata as
-        | GroundingMetadata
-        | undefined;
+      const groundingMetadata = response.candidates?.[0]?.groundingMetadata;
       const sources = groundingMetadata?.groundingChunks as
         | GroundingChunkItem[]
         | undefined;

packages/core/src/utils/editor.ts

@@ -75,10 +75,7 @@ export function allowEditorTypeInSandbox(editor: EditorType): boolean {
  */
 export function isEditorAvailable(editor: string | undefined): boolean {
   if (editor && isValidEditorType(editor)) {
-    return (
-      checkHasEditorType(editor as EditorType) &&
-      allowEditorTypeInSandbox(editor as EditorType)
-    );
+    return checkHasEditorType(editor) && allowEditorTypeInSandbox(editor);
   }
   return false;
 }