Replace SQL database with JSONL based solution that keeps history.

pyproject.toml

@@ -16,11 +16,11 @@ dependencies = [
     "websockets>=12.0",
     "webauthn>=1.11.1",
     "base64url>=1.0.0",
-    "sqlalchemy[asyncio]>=2.0.0",
-    "aiosqlite>=0.19.0",
     "uuid7-standard>=1.0.0",
     "pyjwt>=2.8.0",
     "user-agents>=2.2.0",
+    "jsondiff>=2.2.1",
+    "msgspec>=0.20.0",
 ]
 requires-python = ">=3.10"
 
@@ -42,6 +42,10 @@ dev = [
     "pytest-asyncio>=0.24.0",
     "httpx>=0.27.0",
 ]
+migrate = [
+    "sqlalchemy[asyncio]>=2.0.0",
+    "aiosqlite>=0.19.0",
+]
 
 [tool.coverage.run]
 source = ["paskia"]
@@ -89,6 +93,7 @@ dev = [
 
 [project.scripts]
 paskia = "paskia.fastapi.__main__:main"
+paskia-migrate = "paskia.migrate:main"
 
 [tool.hatch.build]
 artifacts = ["paskia/frontend-build"]