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schema.sql

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+-- Epstein Analysis Server -- SQLite Schema
+-- Separate from the OCR provenance DB (epstein_audit.db)
+
+PRAGMA journal_mode = WAL;
+PRAGMA foreign_keys = ON;
+
+-- Core: one row per JSON file
+CREATE TABLE IF NOT EXISTS documents (
+  id INTEGER PRIMARY KEY,
+  file_key TEXT UNIQUE NOT NULL,
+  dataset TEXT NOT NULL,
+  full_text TEXT,
+  document_type TEXT,
+  date TEXT,
+  is_photo BOOLEAN DEFAULT 0,
+  has_handwriting BOOLEAN,
+  has_stamps BOOLEAN,
+  ocr_source TEXT,
+  additional_notes TEXT,
+  page_number TEXT,
+  document_number TEXT,
+  json_path TEXT NOT NULL,
+  char_count INTEGER,
+  created_at TEXT DEFAULT (datetime('now'))
+);
+
+-- Text chunks for RAG
+CREATE TABLE IF NOT EXISTS chunks (
+  id INTEGER PRIMARY KEY,
+  document_id INTEGER NOT NULL REFERENCES documents(id),
+  chunk_index INTEGER NOT NULL,
+  content TEXT NOT NULL,
+  token_count INTEGER,
+  char_start INTEGER,
+  char_end INTEGER,
+  UNIQUE(document_id, chunk_index)
+);
+
+-- Chunk embeddings (Phase 2)
+CREATE TABLE IF NOT EXISTS chunk_embeddings (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  chunk_id INTEGER UNIQUE NOT NULL REFERENCES chunks(id) ON DELETE CASCADE,
+  document_id INTEGER NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
+  embedding BLOB NOT NULL,
+  embedding_dim INTEGER DEFAULT 768,
+  model TEXT DEFAULT 'gemini-embedding-001',
+  source_text_hash TEXT,
+  created_at TEXT DEFAULT (datetime('now'))
+);
+
+-- Summary embeddings (Phase 2)
+CREATE TABLE IF NOT EXISTS summary_embeddings (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  document_id INTEGER UNIQUE NOT NULL REFERENCES documents(id),
+  summary_text TEXT NOT NULL,
+  embedding BLOB NOT NULL,
+  embedding_dim INTEGER DEFAULT 768,
+  model TEXT DEFAULT 'gemini-embedding-001',
+  created_at TEXT DEFAULT (datetime('now'))
+);
+
+-- Entities from our JSON files
+CREATE TABLE IF NOT EXISTS entities (
+  id INTEGER PRIMARY KEY,
+  document_id INTEGER NOT NULL REFERENCES documents(id),
+  entity_type TEXT NOT NULL,
+  value TEXT NOT NULL,
+  normalized_value TEXT
+);
+
+-- From release/persons_registry.json
+CREATE TABLE IF NOT EXISTS persons (
+  id INTEGER PRIMARY KEY,
+  canonical_name TEXT UNIQUE NOT NULL,
+  slug TEXT,
+  category TEXT,
+  aliases TEXT,
+  search_terms TEXT,
+  sources TEXT,
+  notes TEXT
+);
+
+-- From release/knowledge_graph_entities.json
+CREATE TABLE IF NOT EXISTS kg_entities (
+  id INTEGER PRIMARY KEY,
+  name TEXT UNIQUE NOT NULL COLLATE NOCASE,
+  entity_type TEXT,
+  description TEXT,
+  metadata TEXT
+);
+
+-- From release/knowledge_graph_relationships.json
+CREATE TABLE IF NOT EXISTS kg_relationships (
+  id INTEGER PRIMARY KEY,
+  source_id INTEGER REFERENCES kg_entities(id),
+  target_id INTEGER REFERENCES kg_entities(id),
+  relationship_type TEXT NOT NULL,
+  weight REAL DEFAULT 1.0,
+  evidence TEXT,
+  metadata TEXT
+);
+
+-- Indexes: documents
+CREATE INDEX IF NOT EXISTS idx_documents_dataset ON documents(dataset);
+CREATE INDEX IF NOT EXISTS idx_documents_type ON documents(document_type);
+CREATE INDEX IF NOT EXISTS idx_documents_is_photo ON documents(is_photo);
+CREATE INDEX IF NOT EXISTS idx_documents_date ON documents(date);
+CREATE INDEX IF NOT EXISTS idx_documents_ocr_source ON documents(ocr_source);
+CREATE INDEX IF NOT EXISTS idx_documents_file_key ON documents(file_key);
+
+-- Indexes: entities
+CREATE INDEX IF NOT EXISTS idx_entities_document ON entities(document_id);
+CREATE INDEX IF NOT EXISTS idx_entities_type ON entities(entity_type);
+CREATE INDEX IF NOT EXISTS idx_entities_value ON entities(value);
+CREATE INDEX IF NOT EXISTS idx_entities_type_value ON entities(entity_type, value);
+CREATE INDEX IF NOT EXISTS idx_entities_normalized ON entities(normalized_value);
+
+-- Indexes: chunks
+CREATE INDEX IF NOT EXISTS idx_chunks_document ON chunks(document_id);
+
+-- Indexes: chunk_embeddings
+CREATE INDEX IF NOT EXISTS idx_ce_chunk_id ON chunk_embeddings(chunk_id);
+CREATE INDEX IF NOT EXISTS idx_ce_document_id ON chunk_embeddings(document_id);
+CREATE INDEX IF NOT EXISTS idx_ce_created_at ON chunk_embeddings(created_at);
+CREATE INDEX IF NOT EXISTS idx_ce_source_text_hash ON chunk_embeddings(source_text_hash);
+
+-- Indexes: summary_embeddings
+CREATE INDEX IF NOT EXISTS idx_se_document_id ON summary_embeddings(document_id);
+CREATE INDEX IF NOT EXISTS idx_se_created_at ON summary_embeddings(created_at);
+
+-- Indexes: persons
+CREATE INDEX IF NOT EXISTS idx_persons_category ON persons(category);
+CREATE INDEX IF NOT EXISTS idx_persons_slug ON persons(slug);
+
+-- Recovered redacted text (from community analysis)
+CREATE TABLE IF NOT EXISTS recovered_redactions (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    document_id INTEGER,
+    file_key TEXT NOT NULL,
+    page_number INTEGER NOT NULL,
+    num_fragments INTEGER,
+    reconstructed_text TEXT,
+    document_type TEXT,
+    interest_score REAL,
+    names_found TEXT,
+    dataset_source TEXT,
+    FOREIGN KEY (document_id) REFERENCES documents(id)
+);
+
+-- Indexes: recovered_redactions
+CREATE INDEX IF NOT EXISTS idx_recovered_redactions_file_key ON recovered_redactions(file_key);
+CREATE INDEX IF NOT EXISTS idx_recovered_redactions_document_id ON recovered_redactions(document_id);
+CREATE INDEX IF NOT EXISTS idx_recovered_redactions_interest_score ON recovered_redactions(interest_score DESC);
+
+-- Indexes: knowledge graph
+CREATE INDEX IF NOT EXISTS idx_kg_entities_type ON kg_entities(entity_type);
+CREATE INDEX IF NOT EXISTS idx_kg_relationships_source ON kg_relationships(source_id);
+CREATE INDEX IF NOT EXISTS idx_kg_relationships_target ON kg_relationships(target_id);
+CREATE INDEX IF NOT EXISTS idx_kg_relationships_type ON kg_relationships(relationship_type);