Refactor: Clean up obsolete files and organize codebase structure

This commit removes deprecated modules and reorganizes code into logical directories:

Deleted files (superseded by newer systems):
- claude_code_server.py (replaced by agent-sdk direct integration)
- heartbeat.py (superseded by scheduled_tasks.py)
- pulse_brain.py (unused in production)
- config/pulse_brain_config.py (obsolete config)

Created directory structure:
- examples/ (7 example files: example_*.py, demo_*.py)
- tests/ (5 test files: test_*.py)

Updated imports:
- agent.py: Removed heartbeat module and all enable_heartbeat logic
- bot_runner.py: Removed heartbeat parameter from Agent initialization
- llm_interface.py: Updated deprecated claude_code_server message

Preserved essential files:
- hooks.py (for future use)
- adapters/skill_integration.py (for future use)
- All Google integration tools (Gmail, Calendar, Contacts)
- GLM provider code (backward compatibility)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

run.bat

@@ -0,0 +1,79 @@
+@echo off
+REM ========================================
+REM Ajarbot - Windows One-Command Launcher
+REM ========================================
+REM
+REM This script:
+REM 1. Creates/activates virtual environment
+REM 2. Installs dependencies if needed
+REM 3. Runs ajarbot.py
+REM
+REM Usage:
+REM   run.bat              Run the bot
+REM   run.bat --init       Generate config template
+REM   run.bat --health     Health check
+REM
+
+echo ========================================
+echo Ajarbot Windows Launcher
+echo ========================================
+echo.
+
+REM Check if virtual environment exists
+if not exist "venv\Scripts\activate.bat" (
+    echo [Setup] Creating virtual environment...
+    python -m venv venv
+    if errorlevel 1 (
+        echo ERROR: Failed to create virtual environment
+        echo Please ensure Python 3.10+ is installed and in PATH
+        pause
+        exit /b 1
+    )
+    echo [Setup] Virtual environment created
+)
+
+REM Activate virtual environment
+echo [Setup] Activating virtual environment...
+call venv\Scripts\activate.bat
+if errorlevel 1 (
+    echo ERROR: Failed to activate virtual environment
+    pause
+    exit /b 1
+)
+
+REM Check if dependencies are installed (check for a key package)
+python -c "import anthropic" 2>nul
+if errorlevel 1 (
+    echo.
+    echo [Setup] Installing dependencies...
+    echo This may take a few minutes on first run...
+    python -m pip install --upgrade pip
+    pip install -r requirements.txt
+    if errorlevel 1 (
+        echo ERROR: Failed to install dependencies
+        pause
+        exit /b 1
+    )
+    echo [Setup] Dependencies installed
+    echo.
+)
+
+REM Run ajarbot with all arguments passed through
+echo [Launch] Starting ajarbot...
+echo.
+python ajarbot.py %*
+
+REM Check exit code
+if errorlevel 1 (
+    echo.
+    echo ========================================
+    echo Ajarbot exited with an error
+    echo ========================================
+    pause
+    exit /b 1
+)
+
+echo.
+echo ========================================
+echo Ajarbot stopped cleanly
+echo ========================================