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

tools/__init__.py

@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+"""A0 Software Orchestrator tool package.
+
+No eager imports here. Agent Zero discovers plugin tools by tool name and loads
+``tools/<tool_name>.py`` from enabled plugin paths. Keeping this package lazy
+prevents one optional tool import from breaking unrelated tool discovery.
+"""
+from __future__ import annotations
+
+__all__ = [
+    "ArtifactGuard",
+    "BlockCompactor",
+    "BlockResume",
+    "CapabilityCheck",
+    "ContextCompactor",
+    "HandoverToSpecialist",
+    "NextStep",
+    "OrchestratorSelfCheck",
+    "OrchestratorState",
+    "PlanModeGuard",
+    "ProjectRegistry",
+    "QualityGate",
+    "ReadBriefing",
+    "RepoManifest",
+    "ResumeChecker",
+    "ScorecardUpdate",
+    "ToolRegistry",
+]