feat: setup goose and database module

internal/database/migrations/001_init.sql

@@ -0,0 +1,42 @@
+CREATE TABLE IF NOT EXISTS user (
+    id TEXT PRIMARY KEY,
+    username TEXT NOT NULL UNIQUE,
+    password_hash TEXT NOT NULL,
+    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS session (
+    id TEXT PRIMARY KEY,
+    user_id TEXT NOT NULL REFERENCES user(id) ON DELETE CASCADE,
+    expires_at DATETIME NOT NULL,
+    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS account (
+    id TEXT PRIMARY KEY,
+    user_id TEXT NOT NULL REFERENCES user(id) ON DELETE CASCADE,
+    provider TEXT NOT NULL,
+    provider_account_id TEXT NOT NULL,
+    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    UNIQUE(provider, provider_account_id)
+);
+
+CREATE TABLE IF NOT EXISTS anime (
+    id INTEGER PRIMARY KEY, -- Jikan ID
+    title TEXT NOT NULL,
+    image_url TEXT NOT NULL,
+    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS watch_list_entry (
+    id TEXT PRIMARY KEY,
+    user_id TEXT NOT NULL REFERENCES user(id) ON DELETE CASCADE,
+    anime_id INTEGER NOT NULL REFERENCES anime(id) ON DELETE CASCADE,
+    status TEXT NOT NULL CHECK(status IN ('completed', 'dropped', 'plan_to_watch')),
+    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    current_episode INTEGER DEFAULT 0,
+    last_episode_at DATETIME,
+    current_time_seconds REAL NOT NULL DEFAULT 0,
+    UNIQUE(user_id, anime_id)
+);