Merge remote-tracking branch 'origin/main' into fix-ask-hook

# Conflicts:
#	packages/a2a-server/src/agent/task.ts
#	packages/core/src/core/coreToolHookTriggers.test.ts
#	packages/core/src/core/coreToolHookTriggers.ts
#	packages/core/src/core/coreToolScheduler.ts
#	packages/core/src/scheduler/scheduler.ts
#	packages/core/src/tools/edit.ts
#	packages/core/src/tools/web-fetch.ts

integration-tests/deprecation-warnings.test.ts

@@ -0,0 +1,64 @@
+/**
+ * @license
+ * Copyright 2026 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { describe, it, beforeEach, afterEach } from 'vitest';
+import { TestRig } from './test-helper.js';
+
+/**
+ * integration test to ensure no node.js deprecation warnings are emitted.
+ * must run for all supported node versions as warnings may vary by version.
+ */
+describe('deprecation-warnings', () => {
+  let rig: TestRig;
+
+  beforeEach(() => {
+    rig = new TestRig();
+  });
+
+  afterEach(async () => await rig.cleanup());
+
+  it.each([
+    { command: '--version', description: 'running --version' },
+    { command: '--help', description: 'running with --help' },
+  ])(
+    'should not emit any deprecation warnings when $description',
+    async ({ command, description }) => {
+      await rig.setup(
+        `should not emit any deprecation warnings when ${description}`,
+      );
+
+      const { stderr, exitCode } = await rig.runWithStreams([command]);
+
+      // node.js deprecation warnings: (node:12345) [DEP0040] DeprecationWarning: ...
+      const deprecationWarningPattern = /\[DEP\d+\].*DeprecationWarning/i;
+      const hasDeprecationWarning = deprecationWarningPattern.test(stderr);
+
+      if (hasDeprecationWarning) {
+        const deprecationMatches = stderr.match(
+          /\[DEP\d+\].*DeprecationWarning:.*/gi,
+        );
+        const warnings = deprecationMatches
+          ? deprecationMatches.map((m) => m.trim()).join('\n')
+          : 'Unknown deprecation warning format';
+
+        throw new Error(
+          `Deprecation warnings detected in CLI output:\n${warnings}\n\n` +
+            `Full stderr:\n${stderr}\n\n` +
+            `This test ensures no deprecated Node.js modules are used. ` +
+            `Please update dependencies to use non-deprecated alternatives.`,
+        );
+      }
+
+      // only check exit code if no deprecation warnings found
+      if (exitCode !== 0) {
+        throw new Error(
+          `CLI exited with code ${exitCode} (expected 0). This may indicate a setup issue.\n` +
+            `Stderr: ${stderr}`,
+        );
+      }
+    },
+  );
+});

integration-tests/user-policy.responses

@@ -0,0 +1,2 @@
+{"method":"generateContentStream","response":[{"candidates":[{"content":{"parts":[{"functionCall":{"name":"run_shell_command","args":{"command":"ls -F"}}}]},"finishReason":"STOP","index":0}]},{"candidates":[{"content":{"parts":[{"text":"I ran ls -F"}]},"finishReason":"STOP","index":0}]}]}
+{"method":"generateContentStream","response":[{"candidates":[{"content":{"parts":[{"text":"I ran ls -F"}]},"finishReason":"STOP","index":0}]}]}

integration-tests/user-policy.test.ts

@@ -0,0 +1,81 @@
+/**
+ * @license
+ * Copyright 2026 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { describe, it, expect, beforeEach, afterEach } from 'vitest';
+import { join } from 'node:path';
+import { TestRig, GEMINI_DIR } from './test-helper.js';
+import fs from 'node:fs';
+
+describe('User Policy Regression Repro', () => {
+  let rig: TestRig;
+
+  beforeEach(() => {
+    rig = new TestRig();
+  });
+
+  afterEach(async () => {
+    if (rig) {
+      await rig.cleanup();
+    }
+  });
+
+  it('should respect policies in ~/.gemini/policies/allowed-tools.toml', async () => {
+    rig.setup('user-policy-test', {
+      fakeResponsesPath: join(import.meta.dirname, 'user-policy.responses'),
+    });
+
+    // Create ~/.gemini/policies/allowed-tools.toml
+    const userPoliciesDir = join(rig.homeDir!, GEMINI_DIR, 'policies');
+    fs.mkdirSync(userPoliciesDir, { recursive: true });
+    fs.writeFileSync(
+      join(userPoliciesDir, 'allowed-tools.toml'),
+      `
+[[rule]]
+toolName = "run_shell_command"
+commandPrefix = "ls -F"
+decision = "allow"
+priority = 100
+      `,
+    );
+
+    // Run gemini with a prompt that triggers ls -F
+    // approvalMode: 'default' in headless mode will DENY if it hits ASK_USER
+    const result = await rig.run({
+      args: ['-p', 'Run ls -F', '--model', 'gemini-3.1-pro-preview'],
+      approvalMode: 'default',
+    });
+
+    expect(result).toContain('I ran ls -F');
+    expect(result).not.toContain('Tool execution denied by policy');
+    expect(result).not.toContain('Tool "run_shell_command" not found');
+
+    const toolLogs = rig.readToolLogs();
+    const lsLog = toolLogs.find(
+      (l) =>
+        l.toolRequest.name === 'run_shell_command' &&
+        l.toolRequest.args.includes('ls -F'),
+    );
+    expect(lsLog).toBeDefined();
+    expect(lsLog?.toolRequest.success).toBe(true);
+  });
+
+  it('should FAIL if policy is not present (sanity check)', async () => {
+    rig.setup('user-policy-sanity-check', {
+      fakeResponsesPath: join(import.meta.dirname, 'user-policy.responses'),
+    });
+
+    // DO NOT create the policy file here
+
+    // Run gemini with a prompt that triggers ls -F
+    const result = await rig.run({
+      args: ['-p', 'Run ls -F', '--model', 'gemini-3.1-pro-preview'],
+      approvalMode: 'default',
+    });
+
+    // In non-interactive mode, it should be denied
+    expect(result).toContain('Tool "run_shell_command" not found');
+  });
+});