First draft

migrations/001_init.sql

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+-- 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 '',
+    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 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
+);