feat(db): Added DB

db/InitDB.py

@@ -0,0 +1,30 @@
+import os
+import sqlite3
+from pathlib import Path
+
+PROJECT_ROOT = Path(__file__).resolve().parent.parent
+
+DB_PATH = Path(os.environ.get("DB_PATH") or PROJECT_ROOT / "backend.db")
+
+SCHEMA = """
+CREATE TABLE IF NOT EXISTS requests (
+    id     TEXT PRIMARY KEY,
+    text   TEXT NOT NULL,
+    file   TEXT NOT NULL DEFAULT '[]',
+    status TEXT NOT NULL DEFAULT 'WAITING',
+    worker INTEGER NOT NULL DEFAULT 0,
+    result TEXT DEFAULT NULL
+);
+"""
+
+
+def init_db() -> Path:
+    DB_PATH.parent.mkdir(parents=True, exist_ok=True)
+    with sqlite3.connect(DB_PATH) as conn:
+        conn.executescript(SCHEMA)
+        conn.commit()
+    return DB_PATH
+
+
+if __name__ == "__main__":
+    print(f"DB initialized: {init_db()}")