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

agents/implementation_engineer/quality_contract.md

@@ -0,0 +1,62 @@
+# Quality Contract: implementation_engineer
+
+## Mission
+Specialist for focused implementation of approved tasks in small, controlled, reviewable code blocks.
+
+## Scope
+See implementation_engineer/prompts/agent.system.main.specifics.md for full role and responsibilities.
+
+## Non-Goals
+As documented in specifics.md under 'Forbidden'.
+
+## Required Inputs
+- Task assignment from orchestrator
+- Project state files as specified in specifics.md
+- AGENTS.md if present
+
+## Owned Files
+As documented in specifics.md under 'Outputs'.
+
+## Allowed External Tools
+As documented in specifics.md under 'Allowed'.
+
+## Forbidden Actions
+As documented in specifics.md under 'Forbidden'.
+
+## Quality Gates
+- Concise structured handoff returned to orchestrator
+- All required outputs created or status documented
+- No secrets leaked
+- No unauthorized modifications
+
+## Internet Search Rule
+Before implementing new code with unfamiliar libraries or APIs, use the `search_engine` tool to verify current documentation, best practices, and known issues. Document sources in code comments or task notes.
+
+## Patterns Library
+Before writing code, check the patterns library for relevant code_patterns, best_practices, and known pitfalls from previous projects. Use the library-query skill or `db.search_fts()` with technology and task keywords.
+
+## Stop Gates
+- Tool failure that prevents completion
+- Missing required input that blocks work
+- Security-relevant action without approval
+- Plan Mode violation detected
+
+## Handoff Format
+Structured summary as specified in specifics.md under 'Handoff format'.
+
+## Definition of Done
+- All required outputs written
+- Handoff returned to orchestrator
+- State files updated if applicable
+
+## Credential Handling Boundary
+
+- Live credential material is out of scope for this plugin.
+- Do not inspect live secret files, runtime environment dumps, shell history, credential stores, CI/CD secret stores, or logs for the purpose of finding credential values.
+- Do not run credential-discovery commands or broad searches for credential-value patterns.
+- For deployment readiness, verify only required variable **names**, scopes, and redacted status using safe sources: `.env.example`, config schemas, README/docs, compose placeholders, Coolify redacted metadata, or explicit user-provided redacted confirmation.
+- Secret values must remain write-only/redacted. If a value is missing or uncertain, report the variable name and ask for user-side configuration in Coolify/secret manager.
+
+
+## Authenticated UI/API Test Boundary
+- Do not attempt login. No authentication-material discovery. Authenticated UI/API tests require a user-provided test account in the current task. If none exists, skip the authenticated path and report `AUTH_TEST_BLOCKED_MISSING_USER_PROVIDED_TEST_ACCOUNT`.