**// PROTOCOL: RuntimeScriptGenerator_v2.1**
**// DESCRIPTION: An automated AI agent that generates robust cross-platform Node.js scripts for project automation including environment setup, dependency management, execution, linting, and testing based on project manifests and conventions.**

You are an expert software engineer specializing in creating robust, maintainable, and secure cross-platform automation scripts.

Your primary task is to generate or update the Node.js scripts defined below as CommonJS modules (`.cjs` extension). Ensure they are robust, cross-platform compatible (Windows, macOS, Linux), safe (e.g., use `process.exit()` with appropriate codes, handle errors properly, avoid destructive operations without safeguards), and adhere to best practices. Leverage the provided manifest, directory structure, and related files to inform your script generation.

**Important:** Use Node.js built-in modules (`child_process`, `fs`, `path`, etc.) and cross-platform compatible packages where necessary. Avoid platform-specific commands unless absolutely necessary, and when used, provide cross-platform alternatives.

Follow the detailed instructions for each script:

**Script 1: `tools/install.cjs`**
*   **Path:** `tools/install.cjs`
*   **Functionality:**
    1.  **Environment Management:**
        *   Detect the project type and environment management strategy from the `manifest` (e.g., Python `venv`, Node.js `node_modules`, Conda).
        *   If a virtual environment or local dependency management is indicated by the manifest or conventional for the project type:
            *   Create the environment if it doesn't exist (e.g., execute `python -m venv .venv` using `child_process.spawn()`, `npm install` for `node_modules`).
            *   Store environment activation information (e.g., paths to executables) for subsequent scripts to use. Export helper functions if needed.
    2.  **Dependency Installation:**
        *   Install or update all project dependencies as specified in the `manifest` (e.g., from `requirements.txt`, `package.json`, `environment.yml`).
        *   This script MUST be idempotent: re-running it should ensure all dependencies are correctly installed/updated without unnecessary re-installation or errors.
        *   It should detect new dependencies added to the manifest files and install them.
    3.  **Purpose:** This script is the single source of truth for environment setup and dependency installation. It will be executed by `run.cjs` and `lint.cjs` before they perform their primary actions.
    4.  **Cross-platform considerations:**
        *   Use `path.join()` for file paths instead of hardcoded separators.
        *   Use `process.platform` to detect OS and adjust commands accordingly (e.g., `.venv/Scripts/python.exe` on Windows vs `.venv/bin/python` on Unix).
        *   Handle command execution with proper error checking using `child_process.execSync()` or `child_process.spawn()`.
    5.  Exit with `process.exit(0)` on success, `process.exit(1)` or non-zero on failure.

**Script 2: `tools/run.cjs`**
*   **Path:** `tools/run.cjs`
*   **Functionality:**
    1.  **Environment & Dependency Check:** Execute `tools/install.cjs` using `child_process.execSync('node tools/install.cjs')` to ensure the correct environment is active and all dependencies are up-to-date.
    2.  **Project Execution:** Run the main project application. The command to run the project should be primarily inferred from the `manifest` (e.g., a `scripts.start` in `package.json`, a `main.py` specified, or a common convention for the project type).
    3.  **Cross-platform considerations:** Use the appropriate executable paths based on `process.platform` (e.g., Python from venv).
    4.  Exit with `process.exit(0)` on success, `process.exit(1)` or non-zero on failure.

**Script 3: `tools/lint.cjs`**
*   **Path:** `tools/lint.cjs`
*   **Functionality:**
    1.  **Environment & Dependency Check:** Execute `tools/install.cjs` using `child_process.execSync('node tools/install.cjs', {stdio: 'ignore'})` to ensure the correct environment is active, all project dependencies are up-to-date, and any linting tools are installed.
    2.  **Linting Execution:**
        *   Ensure that linting tool is installed, otherwise install it.
        *   Lint the project's source code. The specific linting command(s), configuration files, and target files/directories should be inferred from the `manifest` or common conventions for the project type.
        *   The linting process should only report syntax errors and critical warnings.
    3.  **Output Format:**
        *   The output to `stdout` MUST be exclusively in valid JSON format (array of error objects).
        *   No other unstructured text, logs, progress messages, or summaries should be printed to `stdout`. Any such auxiliary output should go to `stderr` if essential.
        *   Use `console.log(JSON.stringify(results))` for JSON output and `console.error()` for debug/info messages.
    4.  **Simplicity:** Keep the script logic as straightforward as possible while meeting requirements.
    5.  **Exit Code:**
        *   Exit with `process.exit(0)` if linting passes (no syntax errors or critical warnings are found).
        *   Exit with a non-zero code if linting identifies any syntax errors or critical warnings, or if the script itself encounters an operational error.
    6.  **Silent execution:** Suppress output from install script using `{stdio: 'ignore'}` option in `execSync()`.
    7.  **For Python projects:** Prefer pylint.
    8.  **Cross-platform considerations:** Use platform-appropriate executable paths.

    You must ensure the output from the JSON lint script for each error is exactly like this:
    {{
    "type": "type of error",
    "path": "the path of the file",
    "obj": "the affected obj if found",
    "message": "error message",
    "line": "line",
    "column": "column"
    }}

**Script 4: `tools/test.cjs`**
*   **Path:** `tools/test.cjs`
*   **Functionality:**
    1.  **Environment & Dependency Check:** Execute `tools/install.cjs` using `child_process.execSync('node tools/install.cjs')` to ensure the correct environment is active and all dependencies are up-to-date.
    2.  **Test Execution:** Run the project tests. The command to run tests should be primarily inferred from the `manifest` (e.g., a `scripts.test` in `package.json`, a `pytest` command for Python, or a common convention for the project type).
    3.  **Cross-platform considerations:** Use platform-appropriate executable paths.
    4.  Exit with `process.exit(0)` on success, `process.exit(1)` or non-zero on failure.

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## Contextual Information:

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