feat: Implement CLI and model memory management (#371)

Co-authored-by: N. Taylor Mullen <ntaylormullen@google.com>

packages/server/src/core/__snapshots__/prompts.test.ts.snap

@@ -65,6 +65,7 @@ Rigorously adhere to existing project conventions when reading or modifying code
 -   **Command Execution:** Use the 'execute_bash_command' tool for running shell commands, remembering the safety rule to explain modifying commands first.
 -   **Background Processes:** Use background processes (via \`&\`) for commands that are unlikely to stop on their own, e.g. \`node server.js &\`. If unsure, ask the user.
 -   **Interactive Commands:** Try to avoid shell commands that are likely to require user interaction (e.g. \`git rebase -i\`). Use non-interactive versions of commands (e.g. \`npm init -y\` instead of \`npm init\`) when available, and otherwise remind the user that interactive shell commands are not supported and may cause hangs until cancelled by the user.
+-   **Remembering Facts:** Use the 'saveMemory' tool to remember specific, *user-related* facts or preferences when the user explicitly asks, or when they state a clear, concise piece of information that would help personalize or streamline *your future interactions with them* (e.g., preferred coding style, common project paths they use, personal tool aliases). This tool is for user-specific information that should persist across sessions. Do *not* use it for general project context or information that belongs in project-specific \`GEMINI.md\` files. If unsure whether to save something, you can ask the user, "Should I remember that for you?"
 
 ## Interaction Details
 -   **Help Command:** The user can use '/help' to display help information.
@@ -218,6 +219,7 @@ Rigorously adhere to existing project conventions when reading or modifying code
 -   **Command Execution:** Use the 'execute_bash_command' tool for running shell commands, remembering the safety rule to explain modifying commands first.
 -   **Background Processes:** Use background processes (via \`&\`) for commands that are unlikely to stop on their own, e.g. \`node server.js &\`. If unsure, ask the user.
 -   **Interactive Commands:** Try to avoid shell commands that are likely to require user interaction (e.g. \`git rebase -i\`). Use non-interactive versions of commands (e.g. \`npm init -y\` instead of \`npm init\`) when available, and otherwise remind the user that interactive shell commands are not supported and may cause hangs until cancelled by the user.
+-   **Remembering Facts:** Use the 'saveMemory' tool to remember specific, *user-related* facts or preferences when the user explicitly asks, or when they state a clear, concise piece of information that would help personalize or streamline *your future interactions with them* (e.g., preferred coding style, common project paths they use, personal tool aliases). This tool is for user-specific information that should persist across sessions. Do *not* use it for general project context or information that belongs in project-specific \`GEMINI.md\` files. If unsure whether to save something, you can ask the user, "Should I remember that for you?"
 
 ## Interaction Details
 -   **Help Command:** The user can use '/help' to display help information.
@@ -366,6 +368,7 @@ Rigorously adhere to existing project conventions when reading or modifying code
 -   **Command Execution:** Use the 'execute_bash_command' tool for running shell commands, remembering the safety rule to explain modifying commands first.
 -   **Background Processes:** Use background processes (via \`&\`) for commands that are unlikely to stop on their own, e.g. \`node server.js &\`. If unsure, ask the user.
 -   **Interactive Commands:** Try to avoid shell commands that are likely to require user interaction (e.g. \`git rebase -i\`). Use non-interactive versions of commands (e.g. \`npm init -y\` instead of \`npm init\`) when available, and otherwise remind the user that interactive shell commands are not supported and may cause hangs until cancelled by the user.
+-   **Remembering Facts:** Use the 'saveMemory' tool to remember specific, *user-related* facts or preferences when the user explicitly asks, or when they state a clear, concise piece of information that would help personalize or streamline *your future interactions with them* (e.g., preferred coding style, common project paths they use, personal tool aliases). This tool is for user-specific information that should persist across sessions. Do *not* use it for general project context or information that belongs in project-specific \`GEMINI.md\` files. If unsure whether to save something, you can ask the user, "Should I remember that for you?"
 
 ## Interaction Details
 -   **Help Command:** The user can use '/help' to display help information.
@@ -514,6 +517,7 @@ Rigorously adhere to existing project conventions when reading or modifying code
 -   **Command Execution:** Use the 'execute_bash_command' tool for running shell commands, remembering the safety rule to explain modifying commands first.
 -   **Background Processes:** Use background processes (via \`&\`) for commands that are unlikely to stop on their own, e.g. \`node server.js &\`. If unsure, ask the user.
 -   **Interactive Commands:** Try to avoid shell commands that are likely to require user interaction (e.g. \`git rebase -i\`). Use non-interactive versions of commands (e.g. \`npm init -y\` instead of \`npm init\`) when available, and otherwise remind the user that interactive shell commands are not supported and may cause hangs until cancelled by the user.
+-   **Remembering Facts:** Use the 'saveMemory' tool to remember specific, *user-related* facts or preferences when the user explicitly asks, or when they state a clear, concise piece of information that would help personalize or streamline *your future interactions with them* (e.g., preferred coding style, common project paths they use, personal tool aliases). This tool is for user-specific information that should persist across sessions. Do *not* use it for general project context or information that belongs in project-specific \`GEMINI.md\` files. If unsure whether to save something, you can ask the user, "Should I remember that for you?"
 
 ## Interaction Details
 -   **Help Command:** The user can use '/help' to display help information.
@@ -662,6 +666,7 @@ Rigorously adhere to existing project conventions when reading or modifying code
 -   **Command Execution:** Use the 'execute_bash_command' tool for running shell commands, remembering the safety rule to explain modifying commands first.
 -   **Background Processes:** Use background processes (via \`&\`) for commands that are unlikely to stop on their own, e.g. \`node server.js &\`. If unsure, ask the user.
 -   **Interactive Commands:** Try to avoid shell commands that are likely to require user interaction (e.g. \`git rebase -i\`). Use non-interactive versions of commands (e.g. \`npm init -y\` instead of \`npm init\`) when available, and otherwise remind the user that interactive shell commands are not supported and may cause hangs until cancelled by the user.
+-   **Remembering Facts:** Use the 'saveMemory' tool to remember specific, *user-related* facts or preferences when the user explicitly asks, or when they state a clear, concise piece of information that would help personalize or streamline *your future interactions with them* (e.g., preferred coding style, common project paths they use, personal tool aliases). This tool is for user-specific information that should persist across sessions. Do *not* use it for general project context or information that belongs in project-specific \`GEMINI.md\` files. If unsure whether to save something, you can ask the user, "Should I remember that for you?"
 
 ## Interaction Details
 -   **Help Command:** The user can use '/help' to display help information.
@@ -810,6 +815,7 @@ Rigorously adhere to existing project conventions when reading or modifying code
 -   **Command Execution:** Use the 'execute_bash_command' tool for running shell commands, remembering the safety rule to explain modifying commands first.
 -   **Background Processes:** Use background processes (via \`&\`) for commands that are unlikely to stop on their own, e.g. \`node server.js &\`. If unsure, ask the user.
 -   **Interactive Commands:** Try to avoid shell commands that are likely to require user interaction (e.g. \`git rebase -i\`). Use non-interactive versions of commands (e.g. \`npm init -y\` instead of \`npm init\`) when available, and otherwise remind the user that interactive shell commands are not supported and may cause hangs until cancelled by the user.
+-   **Remembering Facts:** Use the 'saveMemory' tool to remember specific, *user-related* facts or preferences when the user explicitly asks, or when they state a clear, concise piece of information that would help personalize or streamline *your future interactions with them* (e.g., preferred coding style, common project paths they use, personal tool aliases). This tool is for user-specific information that should persist across sessions. Do *not* use it for general project context or information that belongs in project-specific \`GEMINI.md\` files. If unsure whether to save something, you can ask the user, "Should I remember that for you?"
 
 ## Interaction Details
 -   **Help Command:** The user can use '/help' to display help information.
@@ -958,6 +964,7 @@ Rigorously adhere to existing project conventions when reading or modifying code
 -   **Command Execution:** Use the 'execute_bash_command' tool for running shell commands, remembering the safety rule to explain modifying commands first.
 -   **Background Processes:** Use background processes (via \`&\`) for commands that are unlikely to stop on their own, e.g. \`node server.js &\`. If unsure, ask the user.
 -   **Interactive Commands:** Try to avoid shell commands that are likely to require user interaction (e.g. \`git rebase -i\`). Use non-interactive versions of commands (e.g. \`npm init -y\` instead of \`npm init\`) when available, and otherwise remind the user that interactive shell commands are not supported and may cause hangs until cancelled by the user.
+-   **Remembering Facts:** Use the 'saveMemory' tool to remember specific, *user-related* facts or preferences when the user explicitly asks, or when they state a clear, concise piece of information that would help personalize or streamline *your future interactions with them* (e.g., preferred coding style, common project paths they use, personal tool aliases). This tool is for user-specific information that should persist across sessions. Do *not* use it for general project context or information that belongs in project-specific \`GEMINI.md\` files. If unsure whether to save something, you can ask the user, "Should I remember that for you?"
 
 ## Interaction Details
 -   **Help Command:** The user can use '/help' to display help information.

packages/server/src/core/prompts.ts

@@ -14,6 +14,7 @@ import { ShellTool } from '../tools/shell.js';
 import { WriteFileTool } from '../tools/write-file.js';
 import process from 'node:process'; // Import process
 import { execSync } from 'node:child_process';
+import { MemoryTool } from '../tools/memoryTool.js';
 
 const contactEmail = 'gemini-code-dev@google.com';
 
@@ -82,6 +83,7 @@ Rigorously adhere to existing project conventions when reading or modifying code
 -   **Command Execution:** Use the '${ShellTool.Name}' tool for running shell commands, remembering the safety rule to explain modifying commands first.
 -   **Background Processes:** Use background processes (via \`&\`) for commands that are unlikely to stop on their own, e.g. \`node server.js &\`. If unsure, ask the user.
 -   **Interactive Commands:** Try to avoid shell commands that are likely to require user interaction (e.g. \`git rebase -i\`). Use non-interactive versions of commands (e.g. \`npm init -y\` instead of \`npm init\`) when available, and otherwise remind the user that interactive shell commands are not supported and may cause hangs until cancelled by the user.
+-   **Remembering Facts:** Use the '${MemoryTool.Name}' tool to remember specific, *user-related* facts or preferences when the user explicitly asks, or when they state a clear, concise piece of information that would help personalize or streamline *your future interactions with them* (e.g., preferred coding style, common project paths they use, personal tool aliases). This tool is for user-specific information that should persist across sessions. Do *not* use it for general project context or information that belongs in project-specific \`GEMINI.md\` files. If unsure whether to save something, you can ask the user, "Should I remember that for you?"
 
 ## Interaction Details
 -   **Help Command:** The user can use '/help' to display help information.