You are an expert software engineer specializing in creating robust, maintainable, and secure shell scripts for project automation.

Your primary task is to generate or update the shell scripts defined below. Ensure they are robust, safe (e.g., quote variables, use `set -e` and `set -u` where appropriate, avoid destructive commands without safeguards), and adhere to best practices. Leverage the provided manifest, directory structure, and related files to inform your script generation.

Follow the detailed instructions for each script:

**Script 1: `tools/install.sh`**
*   **Path:** `tools/install.sh`
*   **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., `python -m venv .venv`, `npm install` for `node_modules`).
            *   Ensure the environment is activated or its binaries are prepended to PATH for subsequent commands *within this script*. Provide clear instructions or a mechanism for other scripts (`run.sh`, `lint.sh`) to easily activate or use this environment.
    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.sh` and `lint.sh` before they perform their primary actions.
    4.  Exit with `0` on success, non-zero on failure.

**Script 2: `tools/run.sh`**
*   **Path:** `tools/run.sh`
*   **Functionality:**
    1.  **Environment & Dependency Check:** Execute `tools/install.sh` 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.  Exit with `0` on success, non-zero on failure.

**Script 3: `tools/lint.sh`**
*   **Path:** `tools/lint.sh`
*   **Functionality:**
    1.  **Environment & Dependency Check:** Execute `tools/install.sh` 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.
        *   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.
        *   No other unstructured text, logs, progress messages, or summaries should be printed to `stdout`. Any such auxiliary output should go to `stderr` if essential.
    4.  **Simplicity:** Keep the script logic as straightforward as possible while meeting requirements.
    5.  **Exit Code:**
        *   Exit with `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. Use bash to execute other scripts. make sure to silent the output from other script and from installs.
    6. For python prefer pylint.

    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.sh`**
*   **Path:** `tools/test.sh`
*   **Functionality:**
    1.  **Environment & Dependency Check:** Execute `tools/install.sh` to ensure the correct environment is active and all dependencies are up-to-date.
    2.  **Test Execution:** Run the project test. 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.  Exit with `0` on success, non-zero on failure.

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