Initial commit: a0_software_orchestrator v1.0

- Auto-Registration-Bug behoben (register_project/get_project_id/resolve_project Trennung)
- 25 Tests gruen (Pytest)
- block_compactor-Tool refactored (Option B: Soft-Check statt Hard-Block)
- 4 Restbaustellen gefixt
- DB-Schema: plugin_settings-Tabelle hinzugefuegt
- 3 Schattenprojekte aus DB geloescht
- Plan v3 + Refactor-Plan + Worklog dokumentiert

prompts/project_templates/optional/handoff.md

@@ -0,0 +1,15 @@
+# Handoff
+
+## Project Summary
+
+## Current State
+
+## Architecture
+
+## Deployment
+
+## Known Issues
+
+## Next Steps
+
+## Contacts