Add tests for Kommunikation Sync implementation and verification scripts

- Implemented comprehensive tests for the Kommunikation Sync functionality, covering base64 encoding, marker parsing, creation, type detection, and integration scenarios.
- Added a verification script to check for unique IDs in Advoware communications, ensuring stability and integrity of the IDs.
- Created utility scripts for code validation, notification testing, and PUT response detail analysis to enhance development and testing processes.
- Updated README with details on new tools and their usage.

bitbylaw/scripts/tools/README.md

@@ -0,0 +1,48 @@
+# Tools & Utilities
+
+Allgemeine Utilities für Entwicklung und Testing.
+
+## Scripts
+
+### validate_code.py
+Code-Validierung Tool.
+
+**Features:**
+- Syntax-Check für Python Files
+- Import-Check
+- Error-Detection
+
+**Verwendung:**
+```bash
+cd /opt/motia-app/bitbylaw
+python scripts/tools/validate_code.py services/kommunikation_sync_utils.py
+python scripts/tools/validate_code.py steps/vmh/beteiligte_sync_event_step.py
+```
+
+**Output:**
+```
+✅ File validated successfully: 0 Errors
+```
+
+### test_notification.py
+Test für EspoCRM Notification System.
+
+**Testet:**
+- Notification Creation
+- User Assignment
+- Notification Types
+
+### test_put_response_detail.py
+Analysiert PUT Response Details von Advoware.
+
+**Testet:**
+- Response Structure
+- rowId Changes
+- Returned Fields
+
+## Verwendung
+
+```bash
+cd /opt/motia-app/bitbylaw
+python scripts/tools/validate_code.py <file_path>
+```