/**
 * SQLite schema for the dependency tracer.
 * 6 tables: codebases, files, symbols, edges, module_deps, schema_version.
 */
export declare const SCHEMA_VERSION = 1;
export declare const CREATE_TABLES = "\nCREATE TABLE IF NOT EXISTS schema_version (\n  version INTEGER NOT NULL\n);\n\nCREATE TABLE IF NOT EXISTS codebases (\n  id          INTEGER PRIMARY KEY AUTOINCREMENT,\n  name        TEXT NOT NULL UNIQUE,\n  language    TEXT NOT NULL CHECK(language IN ('haskell', 'rescript')),\n  root_path   TEXT NOT NULL,\n  indexed_at  TEXT,\n  file_count  INTEGER DEFAULT 0,\n  symbol_count INTEGER DEFAULT 0\n);\n\nCREATE TABLE IF NOT EXISTS files (\n  id          INTEGER PRIMARY KEY AUTOINCREMENT,\n  codebase_id INTEGER NOT NULL REFERENCES codebases(id) ON DELETE CASCADE,\n  path        TEXT NOT NULL,\n  mtime_ms    INTEGER NOT NULL,\n  indexed_at  TEXT NOT NULL,\n  UNIQUE(codebase_id, path)\n);\n\nCREATE TABLE IF NOT EXISTS symbols (\n  id          INTEGER PRIMARY KEY AUTOINCREMENT,\n  codebase_id INTEGER NOT NULL REFERENCES codebases(id) ON DELETE CASCADE,\n  file_id     INTEGER NOT NULL REFERENCES files(id) ON DELETE CASCADE,\n  name        TEXT NOT NULL,\n  qualified   TEXT NOT NULL,\n  kind        TEXT NOT NULL CHECK(kind IN ('function','type','class','module','component','value','pattern')),\n  line_start  INTEGER,\n  line_end    INTEGER,\n  exported    INTEGER DEFAULT 1,\n  metadata    TEXT\n);\n\nCREATE TABLE IF NOT EXISTS edges (\n  source_id   INTEGER NOT NULL REFERENCES symbols(id) ON DELETE CASCADE,\n  target_id   INTEGER NOT NULL REFERENCES symbols(id) ON DELETE CASCADE,\n  kind        TEXT NOT NULL CHECK(kind IN ('calls','imports','uses_type','instantiates','opens','inherits')),\n  UNIQUE(source_id, target_id, kind)\n);\n\nCREATE TABLE IF NOT EXISTS module_deps (\n  source_file_id INTEGER NOT NULL REFERENCES files(id) ON DELETE CASCADE,\n  target_file_id INTEGER NOT NULL REFERENCES files(id) ON DELETE CASCADE,\n  dep_kind    TEXT NOT NULL CHECK(dep_kind IN ('import','open','qualified_use')),\n  UNIQUE(source_file_id, target_file_id, dep_kind)\n);\n\n-- Indexes for query performance\nCREATE INDEX IF NOT EXISTS idx_symbols_qualified ON symbols(qualified);\nCREATE INDEX IF NOT EXISTS idx_symbols_name ON symbols(name);\nCREATE INDEX IF NOT EXISTS idx_symbols_file ON symbols(file_id);\nCREATE INDEX IF NOT EXISTS idx_symbols_codebase_kind ON symbols(codebase_id, kind);\nCREATE INDEX IF NOT EXISTS idx_edges_source ON edges(source_id);\nCREATE INDEX IF NOT EXISTS idx_edges_target ON edges(target_id);\nCREATE INDEX IF NOT EXISTS idx_module_deps_source ON module_deps(source_file_id);\nCREATE INDEX IF NOT EXISTS idx_module_deps_target ON module_deps(target_file_id);\nCREATE INDEX IF NOT EXISTS idx_files_codebase_path ON files(codebase_id, path);\n";
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