feat(policy): support auto-add to policy by default and scoped persistence (#20361)

packages/core/src/tools/grep.ts

@@ -21,6 +21,8 @@ import {
   Kind,
   type ToolInvocation,
   type ToolResult,
+  type PolicyUpdateOptions,
+  type ToolConfirmationOutcome,
 } from './tools.js';
 import { makeRelative, shortenPath } from '../utils/paths.js';
 import { getErrorMessage, isNodeError } from '../utils/errors.js';
@@ -29,6 +31,7 @@ import type { Config } from '../config/config.js';
 import type { FileExclusions } from '../utils/ignorePatterns.js';
 import { ToolErrorType } from './tool-error.js';
 import { GREP_TOOL_NAME } from './tool-names.js';
+import { buildPatternArgsPattern } from '../policy/utils.js';
 import { debugLogger } from '../utils/debugLogger.js';
 import { GREP_DEFINITION } from './definitions/coreTools.js';
 import { resolveToolDeclaration } from './definitions/resolver.js';
@@ -285,6 +288,14 @@ class GrepToolInvocation extends BaseToolInvocation<
     }
   }
 
+  override getPolicyUpdateOptions(
+    _outcome: ToolConfirmationOutcome,
+  ): PolicyUpdateOptions | undefined {
+    return {
+      argsPattern: buildPatternArgsPattern(this.params.pattern),
+    };
+  }
+
   /**
    * Checks if a command is available in the system's PATH.
    * @param {string} command The command name (e.g., 'git', 'grep').