Restructure: Move 52 files into 7 domain packages

korrektur/ zeugnis/ admin/ compliance/ worksheet/ training/ metrics/
52 shims, relative imports, RAG untouched.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

klausur-service/backend/metrics_db_schema.py

@@ -1,182 +1,4 @@
-"""
-PostgreSQL Metrics Database - Schema Initialization
-
-Table creation DDL for all metrics, feedback, and zeugnis tables.
-
-Extracted from metrics_db_core.py to keep files under 500 LOC.
-"""
-
-from metrics_db_core import get_pool
-
-
-async def init_metrics_tables() -> bool:
-    """Initialize metrics tables in PostgreSQL."""
-    pool = await get_pool()
-    if pool is None:
-        return False
-
-    create_tables_sql = """
-    -- RAG Search Feedback Table
-    CREATE TABLE IF NOT EXISTS rag_search_feedback (
-        id SERIAL PRIMARY KEY,
-        result_id VARCHAR(255) NOT NULL,
-        query_text TEXT,
-        collection_name VARCHAR(100),
-        score FLOAT,
-        rating INTEGER CHECK (rating >= 1 AND rating <= 5),
-        notes TEXT,
-        user_id VARCHAR(100),
-        created_at TIMESTAMP DEFAULT NOW()
-    );
-
-    -- Index for efficient querying
-    CREATE INDEX IF NOT EXISTS idx_feedback_created_at ON rag_search_feedback(created_at);
-    CREATE INDEX IF NOT EXISTS idx_feedback_collection ON rag_search_feedback(collection_name);
-    CREATE INDEX IF NOT EXISTS idx_feedback_rating ON rag_search_feedback(rating);
-
-    -- RAG Search Logs Table (for latency tracking)
-    CREATE TABLE IF NOT EXISTS rag_search_logs (
-        id SERIAL PRIMARY KEY,
-        query_text TEXT NOT NULL,
-        collection_name VARCHAR(100),
-        result_count INTEGER,
-        latency_ms INTEGER,
-        top_score FLOAT,
-        filters JSONB,
-        created_at TIMESTAMP DEFAULT NOW()
-    );
-
-    CREATE INDEX IF NOT EXISTS idx_search_logs_created_at ON rag_search_logs(created_at);
-
-    -- RAG Upload History Table
-    CREATE TABLE IF NOT EXISTS rag_upload_history (
-        id SERIAL PRIMARY KEY,
-        filename VARCHAR(500) NOT NULL,
-        collection_name VARCHAR(100),
-        year INTEGER,
-        pdfs_extracted INTEGER,
-        minio_path VARCHAR(1000),
-        uploaded_by VARCHAR(100),
-        created_at TIMESTAMP DEFAULT NOW()
-    );
-
-    CREATE INDEX IF NOT EXISTS idx_upload_history_created_at ON rag_upload_history(created_at);
-
-    -- Binaere Relevanz-Judgments fuer echte Precision/Recall
-    CREATE TABLE IF NOT EXISTS rag_relevance_judgments (
-        id SERIAL PRIMARY KEY,
-        query_id VARCHAR(255) NOT NULL,
-        query_text TEXT NOT NULL,
-        result_id VARCHAR(255) NOT NULL,
-        result_rank INTEGER,
-        is_relevant BOOLEAN NOT NULL,
-        collection_name VARCHAR(100),
-        user_id VARCHAR(100),
-        created_at TIMESTAMP DEFAULT NOW()
-    );
-
-    CREATE INDEX IF NOT EXISTS idx_relevance_query ON rag_relevance_judgments(query_id);
-    CREATE INDEX IF NOT EXISTS idx_relevance_created_at ON rag_relevance_judgments(created_at);
-
-    -- Zeugnisse Source Tracking
-    CREATE TABLE IF NOT EXISTS zeugnis_sources (
-        id VARCHAR(36) PRIMARY KEY,
-        bundesland VARCHAR(10) NOT NULL,
-        name VARCHAR(255) NOT NULL,
-        base_url TEXT,
-        license_type VARCHAR(50) NOT NULL,
-        training_allowed BOOLEAN DEFAULT FALSE,
-        verified_by VARCHAR(100),
-        verified_at TIMESTAMP,
-        created_at TIMESTAMP DEFAULT NOW(),
-        updated_at TIMESTAMP DEFAULT NOW()
-    );
-
-    CREATE INDEX IF NOT EXISTS idx_zeugnis_sources_bundesland ON zeugnis_sources(bundesland);
-
-    -- Zeugnisse Seed URLs
-    CREATE TABLE IF NOT EXISTS zeugnis_seed_urls (
-        id VARCHAR(36) PRIMARY KEY,
-        source_id VARCHAR(36) REFERENCES zeugnis_sources(id),
-        url TEXT NOT NULL,
-        doc_type VARCHAR(50),
-        status VARCHAR(20) DEFAULT 'pending',
-        last_crawled TIMESTAMP,
-        error_message TEXT,
-        created_at TIMESTAMP DEFAULT NOW()
-    );
-
-    CREATE INDEX IF NOT EXISTS idx_zeugnis_seed_urls_source ON zeugnis_seed_urls(source_id);
-    CREATE INDEX IF NOT EXISTS idx_zeugnis_seed_urls_status ON zeugnis_seed_urls(status);
-
-    -- Zeugnisse Documents
-    CREATE TABLE IF NOT EXISTS zeugnis_documents (
-        id VARCHAR(36) PRIMARY KEY,
-        seed_url_id VARCHAR(36) REFERENCES zeugnis_seed_urls(id),
-        title VARCHAR(500),
-        url TEXT NOT NULL,
-        content_hash VARCHAR(64),
-        minio_path TEXT,
-        training_allowed BOOLEAN DEFAULT FALSE,
-        indexed_in_qdrant BOOLEAN DEFAULT FALSE,
-        file_size INTEGER,
-        content_type VARCHAR(100),
-        created_at TIMESTAMP DEFAULT NOW(),
-        updated_at TIMESTAMP DEFAULT NOW()
-    );
-
-    CREATE INDEX IF NOT EXISTS idx_zeugnis_documents_seed ON zeugnis_documents(seed_url_id);
-    CREATE INDEX IF NOT EXISTS idx_zeugnis_documents_hash ON zeugnis_documents(content_hash);
-
-    -- Zeugnisse Document Versions
-    CREATE TABLE IF NOT EXISTS zeugnis_document_versions (
-        id VARCHAR(36) PRIMARY KEY,
-        document_id VARCHAR(36) REFERENCES zeugnis_documents(id),
-        version INTEGER NOT NULL,
-        content_hash VARCHAR(64),
-        minio_path TEXT,
-        change_summary TEXT,
-        created_at TIMESTAMP DEFAULT NOW()
-    );
-
-    CREATE INDEX IF NOT EXISTS idx_zeugnis_versions_doc ON zeugnis_document_versions(document_id);
-
-    -- Zeugnisse Usage Events (Audit Trail)
-    CREATE TABLE IF NOT EXISTS zeugnis_usage_events (
-        id VARCHAR(36) PRIMARY KEY,
-        document_id VARCHAR(36) REFERENCES zeugnis_documents(id),
-        event_type VARCHAR(50) NOT NULL,
-        user_id VARCHAR(100),
-        details JSONB,
-        created_at TIMESTAMP DEFAULT NOW()
-    );
-
-    CREATE INDEX IF NOT EXISTS idx_zeugnis_events_doc ON zeugnis_usage_events(document_id);
-    CREATE INDEX IF NOT EXISTS idx_zeugnis_events_type ON zeugnis_usage_events(event_type);
-    CREATE INDEX IF NOT EXISTS idx_zeugnis_events_created ON zeugnis_usage_events(created_at);
-
-    -- Crawler Queue
-    CREATE TABLE IF NOT EXISTS zeugnis_crawler_queue (
-        id VARCHAR(36) PRIMARY KEY,
-        source_id VARCHAR(36) REFERENCES zeugnis_sources(id),
-        priority INTEGER DEFAULT 5,
-        status VARCHAR(20) DEFAULT 'pending',
-        started_at TIMESTAMP,
-        completed_at TIMESTAMP,
-        documents_found INTEGER DEFAULT 0,
-        documents_indexed INTEGER DEFAULT 0,
-        error_count INTEGER DEFAULT 0,
-        created_at TIMESTAMP DEFAULT NOW()
-    );
-
-    CREATE INDEX IF NOT EXISTS idx_crawler_queue_status ON zeugnis_crawler_queue(status);
-    """
-
-    try:
-        async with pool.acquire() as conn:
-            await conn.execute(create_tables_sql)
-        print("RAG metrics tables initialized")
-        return True
-    except Exception as e:
-        print(f"Failed to initialize metrics tables: {e}")
-        return False
+# Backward-compat shim -- module moved to metrics/db_schema.py
+import importlib as _importlib
+import sys as _sys
+_sys.modules[__name__] = _importlib.import_module("metrics.db_schema")