Add maintenance and trip history components, admin session management, and session activity tracking

src/lib/db.ts

@@ -33,6 +33,18 @@ function ensureSchema() {
       created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
     ) STRICT;
 
+    CREATE TABLE IF NOT EXISTS user_sessions (
+      id TEXT PRIMARY KEY,
+      user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+      user_agent TEXT,
+      ip_address TEXT,
+      last_path TEXT,
+      created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
+      last_seen_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
+      expires_at TEXT NOT NULL,
+      revoked_at TEXT
+    ) STRICT;
+
     CREATE TABLE IF NOT EXISTS motorcycles (
       id INTEGER PRIMARY KEY AUTOINCREMENT,
       nickname TEXT NOT NULL,
@@ -161,6 +173,8 @@ function ensureSchema() {
       ON trips(motorcycle_id, trip_date DESC, id DESC);
     CREATE INDEX IF NOT EXISTS idx_motorcycle_shares_user
       ON motorcycle_shares(user_id, motorcycle_id);
+    CREATE INDEX IF NOT EXISTS idx_user_sessions_active
+      ON user_sessions(user_id, revoked_at, expires_at, last_seen_at DESC);
     CREATE INDEX IF NOT EXISTS idx_webauthn_credentials_user
       ON webauthn_credentials(user_id);
     CREATE INDEX IF NOT EXISTS idx_webauthn_challenges_lookup