Rewrite server: FastAPI + auth (users/roles/tokens) + admin WebUI + server-authoritative covers/metadata

app/db.py

@@ -115,6 +115,37 @@ CREATE TABLE IF NOT EXISTS ps1_entries (
     error        TEXT,
     updated_at   TEXT NOT NULL
 );
+
+CREATE TABLE IF NOT EXISTS users (
+    id            INTEGER PRIMARY KEY,
+    username      TEXT NOT NULL UNIQUE,
+    password_hash TEXT NOT NULL,
+    role          TEXT NOT NULL DEFAULT 'user',  -- admin / editor / user
+    is_active     INTEGER NOT NULL DEFAULT 1,
+    created_at    TEXT NOT NULL,
+    last_login_at TEXT
+);
+
+CREATE TABLE IF NOT EXISTS api_tokens (
+    id           INTEGER PRIMARY KEY,
+    user_id      INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    token_hash   TEXT NOT NULL UNIQUE,
+    label        TEXT,
+    kind         TEXT NOT NULL DEFAULT 'api',  -- api / session
+    created_at   TEXT NOT NULL,
+    last_used_at TEXT,
+    expires_at   TEXT,
+    revoked_at   TEXT
+);
+
+CREATE TABLE IF NOT EXISTS download_events (
+    id         INTEGER PRIMARY KEY,
+    user_id    INTEGER REFERENCES users(id) ON DELETE SET NULL,
+    system     TEXT NOT NULL,
+    name       TEXT NOT NULL,
+    bytes      INTEGER NOT NULL DEFAULT 0,
+    created_at TEXT NOT NULL
+);
 """