chore(release): v0.25.0-preview.2

Co-authored-by: Sehoon Shon <sshon@google.com>

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@google/gemini-cli",
-  "version": "0.25.0-nightly.20260107.59a18e710",
+  "version": "0.25.0-preview.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@google/gemini-cli",
-      "version": "0.25.0-nightly.20260107.59a18e710",
+      "version": "0.25.0-preview.2",
       "workspaces": [
         "packages/*"
       ],
@@ -18382,7 +18382,7 @@
     },
     "packages/a2a-server": {
       "name": "@google/gemini-cli-a2a-server",
-      "version": "0.25.0-nightly.20260107.59a18e710",
+      "version": "0.25.0-preview.2",
       "dependencies": {
         "@a2a-js/sdk": "^0.3.7",
         "@google-cloud/storage": "^7.16.0",
@@ -18692,7 +18692,7 @@
     },
     "packages/cli": {
       "name": "@google/gemini-cli",
-      "version": "0.25.0-nightly.20260107.59a18e710",
+      "version": "0.25.0-preview.2",
       "license": "Apache-2.0",
       "dependencies": {
         "@agentclientprotocol/sdk": "^0.11.0",
@@ -18795,7 +18795,7 @@
     },
     "packages/core": {
       "name": "@google/gemini-cli-core",
-      "version": "0.25.0-nightly.20260107.59a18e710",
+      "version": "0.25.0-preview.2",
       "license": "Apache-2.0",
       "dependencies": {
         "@a2a-js/sdk": "^0.3.7",
@@ -18954,7 +18954,7 @@
     },
     "packages/test-utils": {
       "name": "@google/gemini-cli-test-utils",
-      "version": "0.25.0-nightly.20260107.59a18e710",
+      "version": "0.25.0-preview.2",
       "license": "Apache-2.0",
       "dependencies": {
         "@google/gemini-cli-core": "file:../core",
@@ -18971,7 +18971,7 @@
     },
     "packages/vscode-ide-companion": {
       "name": "gemini-cli-vscode-ide-companion",
-      "version": "0.25.0-nightly.20260107.59a18e710",
+      "version": "0.25.0-preview.2",
       "license": "LICENSE",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.23.0",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli",
-  "version": "0.25.0-nightly.20260107.59a18e710",
+  "version": "0.25.0-preview.2",
   "engines": {
     "node": ">=20.0.0"
   },
@@ -14,7 +14,7 @@
     "url": "git+https://github.com/google-gemini/gemini-cli.git"
   },
   "config": {
-    "sandboxImageUri": "us-docker.pkg.dev/gemini-code-dev/gemini-cli/sandbox:0.25.0-nightly.20260107.59a18e710"
+    "sandboxImageUri": "us-docker.pkg.dev/gemini-code-dev/gemini-cli/sandbox:0.25.0-preview.2"
   },
   "scripts": {
     "start": "cross-env NODE_ENV=development node scripts/start.js",

packages/a2a-server/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli-a2a-server",
-  "version": "0.25.0-nightly.20260107.59a18e710",
+  "version": "0.25.0-preview.2",
   "description": "Gemini CLI A2A Server",
   "repository": {
     "type": "git",

packages/cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli",
-  "version": "0.25.0-nightly.20260107.59a18e710",
+  "version": "0.25.0-preview.2",
   "description": "Gemini CLI",
   "license": "Apache-2.0",
   "repository": {
@@ -26,7 +26,7 @@
     "dist"
   ],
   "config": {
-    "sandboxImageUri": "us-docker.pkg.dev/gemini-code-dev/gemini-cli/sandbox:0.25.0-nightly.20260107.59a18e710"
+    "sandboxImageUri": "us-docker.pkg.dev/gemini-code-dev/gemini-cli/sandbox:0.25.0-preview.2"
   },
   "dependencies": {
     "@agentclientprotocol/sdk": "^0.11.0",

packages/cli/src/ui/hooks/useGeminiStream.test.tsx

@@ -2205,6 +2205,98 @@ describe('useGeminiStream', () => {
     );
   });
 
+  it('should flush pending text rationale before scheduling tool calls to ensure correct history order', async () => {
+    const addItemOrder: string[] = [];
+    let capturedOnComplete: any;
+
+    const mockScheduleToolCalls = vi.fn(async (requests) => {
+      addItemOrder.push('scheduleToolCalls_START');
+      // Simulate tools completing and triggering onComplete immediately.
+      // This mimics the behavior that caused the regression where tool results
+      // were added to history during the await scheduleToolCalls(...) block.
+      const tools = requests.map((r: any) => ({
+        request: r,
+        status: 'success',
+        tool: { displayName: r.name, name: r.name },
+        invocation: { getDescription: () => 'desc' },
+        response: { responseParts: [], resultDisplay: 'done' },
+        startTime: Date.now(),
+        endTime: Date.now(),
+      }));
+      await capturedOnComplete(tools);
+      addItemOrder.push('scheduleToolCalls_END');
+    });
+
+    mockAddItem.mockImplementation((item: any) => {
+      addItemOrder.push(`addItem:${item.type}`);
+    });
+
+    // We need to capture the onComplete callback from useReactToolScheduler
+    const mockUseReactToolScheduler = useReactToolScheduler as Mock;
+    mockUseReactToolScheduler.mockImplementation((onComplete) => {
+      capturedOnComplete = onComplete;
+      return [
+        [], // toolCalls
+        mockScheduleToolCalls,
+        vi.fn(), // markToolsAsSubmitted
+        vi.fn(), // setToolCallsForDisplay
+        vi.fn(), // cancelAllToolCalls
+        0, // lastToolOutputTime
+      ];
+    });
+
+    const { result } = renderHook(() =>
+      useGeminiStream(
+        new MockedGeminiClientClass(mockConfig),
+        [],
+        mockAddItem,
+        mockConfig,
+        mockLoadedSettings,
+        vi.fn(),
+        vi.fn(),
+        false,
+        () => 'vscode' as EditorType,
+        vi.fn(),
+        vi.fn(),
+        false,
+        vi.fn(),
+        vi.fn(),
+        vi.fn(),
+        80,
+        24,
+      ),
+    );
+
+    const mockStream = (async function* () {
+      yield {
+        type: ServerGeminiEventType.Content,
+        value: 'Rationale rationale.',
+      };
+      yield {
+        type: ServerGeminiEventType.ToolCallRequest,
+        value: { callId: '1', name: 'test_tool', args: {} },
+      };
+    })();
+    mockSendMessageStream.mockReturnValue(mockStream);
+
+    await act(async () => {
+      await result.current.submitQuery('test input');
+    });
+
+    // Expectation: addItem:gemini (rationale) MUST happen before scheduleToolCalls_START
+    const rationaleIndex = addItemOrder.indexOf('addItem:gemini');
+    const scheduleIndex = addItemOrder.indexOf('scheduleToolCalls_START');
+    const toolGroupIndex = addItemOrder.indexOf('addItem:tool_group');
+
+    expect(rationaleIndex).toBeGreaterThan(-1);
+    expect(scheduleIndex).toBeGreaterThan(-1);
+    expect(toolGroupIndex).toBeGreaterThan(-1);
+
+    // This is the core fix validation: Rationale comes before tools are even scheduled (awaited)
+    expect(rationaleIndex).toBeLessThan(scheduleIndex);
+    expect(rationaleIndex).toBeLessThan(toolGroupIndex);
+  });
+
   it('should process @include commands, adding user turn after processing to prevent race conditions', async () => {
     const rawQuery = '@include file.txt Summarize this.';
     const processedQueryParts = [

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

@@ -458,7 +458,7 @@ export const useGeminiStream = (
                   isClientInitiated: true,
                   prompt_id,
                 };
-                scheduleToolCalls([toolCallRequest], abortSignal);
+                await scheduleToolCalls([toolCallRequest], abortSignal);
                 return { queryToSend: null, shouldProceed: false };
               }
               case 'submit_prompt': {
@@ -921,7 +921,11 @@ export const useGeminiStream = (
         }
       }
       if (toolCallRequests.length > 0) {
-        scheduleToolCalls(toolCallRequests, signal);
+        if (pendingHistoryItemRef.current) {
+          addItem(pendingHistoryItemRef.current, userMessageTimestamp);
+          setPendingHistoryItem(null);
+        }
+        await scheduleToolCalls(toolCallRequests, signal);
       }
       return StreamProcessingStatus.Completed;
     },
@@ -938,6 +942,9 @@ export const useGeminiStream = (
       handleChatModelEvent,
       handleAgentExecutionStoppedEvent,
       handleAgentExecutionBlockedEvent,
+      addItem,
+      pendingHistoryItemRef,
+      setPendingHistoryItem,
     ],
   );
   const submitQuery = useCallback(

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

@@ -31,7 +31,7 @@ import { ToolCallStatus } from '../types.js';
 export type ScheduleFn = (
   request: ToolCallRequestInfo | ToolCallRequestInfo[],
   signal: AbortSignal,
-) => void;
+) => Promise<void>;
 export type MarkToolsAsSubmittedFn = (callIds: string[]) => void;
 
 export type TrackedScheduledToolCall = ScheduledToolCall & {
@@ -180,7 +180,7 @@ export function useReactToolScheduler(
       signal: AbortSignal,
     ) => {
       setToolCallsForDisplay([]);
-      void scheduler.schedule(request, signal);
+      return scheduler.schedule(request, signal);
     },
     [scheduler, setToolCallsForDisplay],
   );

packages/cli/src/ui/hooks/useToolScheduler.test.ts

@@ -172,8 +172,8 @@ describe('useReactToolScheduler in YOLO Mode', () => {
       args: { data: 'any data' },
     } as any;
 
-    act(() => {
-      schedule(request, new AbortController().signal);
+    await act(async () => {
+      await schedule(request, new AbortController().signal);
     });
 
     await act(async () => {
@@ -229,11 +229,11 @@ describe('useReactToolScheduler', () => {
     schedule: (
       req: ToolCallRequestInfo | ToolCallRequestInfo[],
       signal: AbortSignal,
-    ) => void,
+    ) => Promise<void>,
     request: ToolCallRequestInfo | ToolCallRequestInfo[],
   ) => {
-    act(() => {
-      schedule(request, new AbortController().signal);
+    await act(async () => {
+      await schedule(request, new AbortController().signal);
     });
 
     await advanceAndSettle();
@@ -322,10 +322,13 @@ describe('useReactToolScheduler', () => {
 
   it('should clear previous tool calls when scheduling new ones', async () => {
     mockToolRegistry.getTool.mockReturnValue(mockTool);
-    (mockTool.execute as Mock).mockResolvedValue({
-      llmContent: 'Tool output',
-      returnDisplay: 'Formatted tool output',
-    } as ToolResult);
+    (mockTool.execute as Mock).mockImplementation(async () => {
+      await new Promise((r) => setTimeout(r, 10));
+      return {
+        llmContent: 'Tool output',
+        returnDisplay: 'Formatted tool output',
+      };
+    });
 
     const { result } = renderScheduler();
     const schedule = result.current[1];
@@ -346,10 +349,13 @@ describe('useReactToolScheduler', () => {
       name: 'mockTool',
       args: {},
     } as any;
-    act(() => {
-      schedule(newRequest, new AbortController().signal);
+    let schedulePromise: Promise<void>;
+    await act(async () => {
+      schedulePromise = schedule(newRequest, new AbortController().signal);
     });
 
+    await advanceAndSettle();
+
     // After scheduling, the old call should be gone,
     // and the new one should be in the display in its initial state.
     expect(result.current[0].length).toBe(1);
@@ -358,14 +364,13 @@ describe('useReactToolScheduler', () => {
 
     // Let the new call finish.
     await act(async () => {
-      await vi.advanceTimersByTimeAsync(0);
+      await vi.advanceTimersByTimeAsync(20);
     });
+
     await act(async () => {
-      await vi.advanceTimersByTimeAsync(0);
-    });
-    await act(async () => {
-      await vi.advanceTimersByTimeAsync(0);
+      await schedulePromise;
     });
+
     expect(onComplete).toHaveBeenCalled();
   });
 
@@ -388,16 +393,14 @@ describe('useReactToolScheduler', () => {
       args: {},
     } as any;
 
-    act(() => {
-      schedule(request, new AbortController().signal);
-    });
+    let schedulePromise: Promise<void>;
     await act(async () => {
-      await vi.advanceTimersByTimeAsync(0);
-    }); // validation
-    await act(async () => {
-      await vi.advanceTimersByTimeAsync(0); // Process scheduling
+      schedulePromise = schedule(request, new AbortController().signal);
     });
 
+    await advanceAndSettle(); // validation
+    await advanceAndSettle(); // Process scheduling
+
     // At this point, the tool is 'executing' and waiting on the promise.
     expect(result.current[0][0].status).toBe('executing');
 
@@ -406,9 +409,7 @@ describe('useReactToolScheduler', () => {
       cancelAllToolCalls(cancelController.signal);
     });
 
-    await act(async () => {
-      await vi.advanceTimersByTimeAsync(0);
-    });
+    await advanceAndSettle();
 
     expect(onComplete).toHaveBeenCalledWith([
       expect.objectContaining({
@@ -421,6 +422,11 @@ describe('useReactToolScheduler', () => {
     await act(async () => {
       resolveExecute({ llmContent: 'output', returnDisplay: 'display' });
     });
+
+    // Now await the schedule promise
+    await act(async () => {
+      await schedulePromise;
+    });
   });
 
   it.each([
@@ -520,8 +526,9 @@ describe('useReactToolScheduler', () => {
       args: { data: 'sensitive' },
     } as any;
 
-    act(() => {
-      schedule(request, new AbortController().signal);
+    let schedulePromise: Promise<void>;
+    await act(async () => {
+      schedulePromise = schedule(request, new AbortController().signal);
     });
     await advanceAndSettle();
 
@@ -535,8 +542,11 @@ describe('useReactToolScheduler', () => {
     });
 
     await advanceAndSettle();
-    await advanceAndSettle();
-    await advanceAndSettle();
+
+    // Now await the schedule promise as it should complete
+    await act(async () => {
+      await schedulePromise;
+    });
 
     expect(mockOnUserConfirmForToolConfirmation).toHaveBeenCalledWith(
       ToolConfirmationOutcome.ProceedOnce,
@@ -567,8 +577,9 @@ describe('useReactToolScheduler', () => {
       args: {},
     } as any;
 
-    act(() => {
-      schedule(request, new AbortController().signal);
+    let schedulePromise: Promise<void>;
+    await act(async () => {
+      schedulePromise = schedule(request, new AbortController().signal);
     });
     await advanceAndSettle();
 
@@ -580,8 +591,13 @@ describe('useReactToolScheduler', () => {
     await act(async () => {
       await capturedOnConfirmForTest?.(ToolConfirmationOutcome.Cancel);
     });
+
     await advanceAndSettle();
-    await advanceAndSettle();
+
+    // Now await the schedule promise
+    await act(async () => {
+      await schedulePromise;
+    });
 
     expect(mockOnUserConfirmForToolConfirmation).toHaveBeenCalledWith(
       ToolConfirmationOutcome.Cancel,
@@ -628,8 +644,12 @@ describe('useReactToolScheduler', () => {
       args: {},
     } as any;
 
-    act(() => {
-      result.current[1](request, new AbortController().signal);
+    let schedulePromise: Promise<void>;
+    await act(async () => {
+      schedulePromise = result.current[1](
+        request,
+        new AbortController().signal,
+      );
     });
     await advanceAndSettle();
 
@@ -653,7 +673,11 @@ describe('useReactToolScheduler', () => {
       } as ToolResult);
     });
     await advanceAndSettle();
-    await advanceAndSettle();
+
+    // Now await schedule
+    await act(async () => {
+      await schedulePromise;
+    });
 
     const completedCalls = onComplete.mock.calls[0][0] as ToolCall[];
     expect(completedCalls[0].status).toBe('success');
@@ -699,8 +723,8 @@ describe('useReactToolScheduler', () => {
       { callId: 'multi2', name: 'tool2', args: { p: 2 } } as any,
     ];
 
-    act(() => {
-      schedule(requests, new AbortController().signal);
+    await act(async () => {
+      await schedule(requests, new AbortController().signal);
     });
     await act(async () => {
       await vi.advanceTimersByTimeAsync(0);
@@ -791,24 +815,30 @@ describe('useReactToolScheduler', () => {
       args: {},
     } as any;
 
-    act(() => {
-      schedule(request1, new AbortController().signal);
+    let schedulePromise1: Promise<void>;
+    let schedulePromise2: Promise<void>;
+
+    await act(async () => {
+      schedulePromise1 = schedule(request1, new AbortController().signal);
     });
     await act(async () => {
       await vi.advanceTimersByTimeAsync(0);
     });
 
-    act(() => {
-      schedule(request2, new AbortController().signal);
+    await act(async () => {
+      schedulePromise2 = schedule(request2, new AbortController().signal);
     });
 
     await act(async () => {
       await vi.advanceTimersByTimeAsync(50);
       await vi.advanceTimersByTimeAsync(0);
-      await act(async () => {
-        await vi.advanceTimersByTimeAsync(0);
-      });
     });
+
+    // Wait for first to complete
+    await act(async () => {
+      await schedulePromise1;
+    });
+
     expect(onComplete).toHaveBeenCalledWith([
       expect.objectContaining({
         status: 'success',
@@ -816,13 +846,17 @@ describe('useReactToolScheduler', () => {
         response: expect.objectContaining({ resultDisplay: 'done display' }),
       }),
     ]);
+
     await act(async () => {
       await vi.advanceTimersByTimeAsync(50);
       await vi.advanceTimersByTimeAsync(0);
-      await act(async () => {
-        await vi.advanceTimersByTimeAsync(0);
-      });
     });
+
+    // Wait for second to complete
+    await act(async () => {
+      await schedulePromise2;
+    });
+
     expect(onComplete).toHaveBeenCalledWith([
       expect.objectContaining({
         status: 'success',

packages/core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli-core",
-  "version": "0.25.0-nightly.20260107.59a18e710",
+  "version": "0.25.0-preview.2",
   "description": "Gemini CLI Core",
   "license": "Apache-2.0",
   "repository": {

packages/core/src/core/client.test.ts

@@ -1649,7 +1649,6 @@ ${JSON.stringify(
       expect(events).toEqual([
         { type: GeminiEventType.ModelInfo, value: 'default-routed-model' },
         { type: GeminiEventType.InvalidStream },
-        { type: GeminiEventType.ModelInfo, value: 'default-routed-model' },
         { type: GeminiEventType.Content, value: 'Continued content' },
       ]);
 
@@ -1737,13 +1736,13 @@ ${JSON.stringify(
       const events = await fromAsync(stream);
 
       // Assert
-      // We expect 4 events (model_info + original + model_info + 1 retry)
-      expect(events.length).toBe(4);
+      // We expect 3 events (model_info + original + 1 retry)
+      expect(events.length).toBe(3);
       expect(
         events
-          .filter((e) => e.type !== GeminiEventType.ModelInfo)
-          .every((e) => e.type === GeminiEventType.InvalidStream),
-      ).toBe(true);
+          .filter((e) => e.type === GeminiEventType.ModelInfo)
+          .map((e) => e.value),
+      ).toEqual(['default-routed-model']);
 
       // Verify that turn.run was called twice
       expect(mockTurnRunFn).toHaveBeenCalledTimes(2);

packages/core/src/core/client.ts

@@ -626,9 +626,10 @@ export class GeminiClient {
     );
     modelToUse = finalModel;
 
+    if (!signal.aborted && !this.currentSequenceModel) {
+      yield { type: GeminiEventType.ModelInfo, value: modelToUse };
+    }
     this.currentSequenceModel = modelToUse;
-    yield { type: GeminiEventType.ModelInfo, value: modelToUse };
-
     const resultStream = turn.run(modelConfigKey, request, linkedSignal);
     let isError = false;
     let isInvalidStream = false;

packages/core/tsconfig.json

@@ -4,7 +4,11 @@
     "outDir": "dist",
     "lib": ["DOM", "DOM.Iterable", "ES2023"],
     "composite": true,
-    "types": ["node", "vitest/globals"]
+    "types": ["node", "vitest/globals"],
+    "baseUrl": ".",
+    "paths": {
+      "@google/gemini-cli-core": ["./index.ts"]
+    }
   },
   "include": ["index.ts", "src/**/*.ts", "src/**/*.json"],
   "exclude": ["node_modules", "dist"]

packages/test-utils/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli-test-utils",
-  "version": "0.25.0-nightly.20260107.59a18e710",
+  "version": "0.25.0-preview.2",
   "private": true,
   "main": "src/index.ts",
   "license": "Apache-2.0",

packages/vscode-ide-companion/package.json

@@ -2,7 +2,7 @@
   "name": "gemini-cli-vscode-ide-companion",
   "displayName": "Gemini CLI Companion",
   "description": "Enable Gemini CLI with direct access to your IDE workspace.",
-  "version": "0.25.0-nightly.20260107.59a18e710",
+  "version": "0.25.0-preview.2",
   "publisher": "google",
   "icon": "assets/icon.png",
   "repository": {