MindSift/migrations/001_init.sql

-- MindSift Initial Database Schema (SQLite WAL / PostgreSQL Compatible)
PRAGMA journal_mode = WAL;
PRAGMA synchronous = NORMAL;
PRAGMA foreign_keys = ON;
PRAGMA busy_timeout = 5000;

CREATE TABLE IF NOT EXISTS users (
    id TEXT PRIMARY KEY,
    email TEXT UNIQUE NOT NULL,
    password_hash TEXT NOT NULL,
    display_name TEXT NOT NULL,
    created_at TEXT NOT NULL
);

CREATE TABLE IF NOT EXISTS thoughts (
    id TEXT PRIMARY KEY,
    user_id TEXT NOT NULL,
    content TEXT NOT NULL,
    tags TEXT NOT NULL DEFAULT '[]',
    priority TEXT NOT NULL DEFAULT 'normal' CHECK(priority IN ('low', 'normal', 'high', 'urgent')),
    source TEXT NOT NULL DEFAULT 'manual',
    status TEXT NOT NULL DEFAULT 'inbox' CHECK(status IN ('inbox', 'kept', 'discarded', 'converted')),
    is_completed INTEGER NOT NULL DEFAULT 0,
    converted_type TEXT DEFAULT '',
    converted_ref_id TEXT DEFAULT '',
    due_date TEXT DEFAULT '',
    sort_order INTEGER NOT NULL DEFAULT 0,
    created_at TEXT NOT NULL,
    triaged_at TEXT DEFAULT '',
    FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE
);

CREATE INDEX IF NOT EXISTS idx_thoughts_user_status ON thoughts(user_id, status, created_at DESC);
CREATE INDEX IF NOT EXISTS idx_thoughts_user_due ON thoughts(user_id, due_date);
CREATE INDEX IF NOT EXISTS idx_thoughts_list_sort ON thoughts(task_list_id, sort_order ASC, created_at DESC);

CREATE TABLE IF NOT EXISTS spaces (
    id TEXT PRIMARY KEY,
    name TEXT NOT NULL,
    icon TEXT NOT NULL DEFAULT '🏠',
    description TEXT NOT NULL DEFAULT '',
    invite_code TEXT UNIQUE NOT NULL,
    is_personal INTEGER NOT NULL DEFAULT 0,
    owner_id TEXT NOT NULL,
    created_at TEXT NOT NULL,
    FOREIGN KEY(owner_id) REFERENCES users(id) ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS space_members (
    space_id TEXT NOT NULL,
    user_id TEXT NOT NULL,
    role TEXT NOT NULL DEFAULT 'editor' CHECK(role IN ('owner', 'editor', 'viewer')),
    joined_at TEXT NOT NULL,
    PRIMARY KEY (space_id, user_id),
    FOREIGN KEY(space_id) REFERENCES spaces(id) ON DELETE CASCADE,
    FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS documents (
    id TEXT PRIMARY KEY,
    user_id TEXT NOT NULL,
    space_id TEXT DEFAULT '',
    title TEXT NOT NULL,
    icon TEXT NOT NULL DEFAULT '📄',
    content TEXT NOT NULL DEFAULT '',
    blocks_json TEXT NOT NULL DEFAULT '[]',
    tags TEXT NOT NULL DEFAULT '[]',
    is_pinned INTEGER NOT NULL DEFAULT 0,
    is_archived INTEGER NOT NULL DEFAULT 0,
    created_at TEXT NOT NULL,
    updated_at TEXT NOT NULL,
    FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE
);

CREATE INDEX IF NOT EXISTS idx_documents_user ON documents(user_id, is_archived, updated_at DESC);

CREATE TABLE IF NOT EXISTS lists (
    id TEXT PRIMARY KEY,
    space_id TEXT NOT NULL,
    title TEXT NOT NULL,
    icon TEXT NOT NULL DEFAULT '🛒',
    list_type TEXT NOT NULL DEFAULT 'shopping' CHECK(list_type IN ('shopping', 'checklist', 'vacation')),
    updated_at TEXT NOT NULL,
    created_at TEXT NOT NULL,
    FOREIGN KEY(space_id) REFERENCES spaces(id) ON DELETE CASCADE
);

CREATE INDEX IF NOT EXISTS idx_lists_space ON lists(space_id, updated_at DESC);

CREATE TABLE IF NOT EXISTS list_items (
    id TEXT PRIMARY KEY,
    list_id TEXT NOT NULL,
    content TEXT NOT NULL,
    category TEXT NOT NULL DEFAULT '',
    quantity TEXT NOT NULL DEFAULT '',
    is_completed INTEGER NOT NULL DEFAULT 0,
    completed_by TEXT NOT NULL DEFAULT '',
    completed_by_name TEXT NOT NULL DEFAULT '',
    sort_order INTEGER NOT NULL DEFAULT 0,
    created_at TEXT NOT NULL,
    completed_at TEXT NOT NULL DEFAULT '',
    FOREIGN KEY(list_id) REFERENCES lists(id) ON DELETE CASCADE
);

CREATE INDEX IF NOT EXISTS idx_list_items_sync ON list_items(list_id, is_completed, sort_order ASC);

CREATE TABLE IF NOT EXISTS api_keys (
    id TEXT PRIMARY KEY,
    user_id TEXT NOT NULL,
    name TEXT NOT NULL,
    key_prefix TEXT NOT NULL,
    key_hash TEXT UNIQUE NOT NULL,
    scopes TEXT NOT NULL DEFAULT 'ingest,read',
    last_used_at TEXT NOT NULL DEFAULT '',
    created_at TEXT NOT NULL,
    FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE
);