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path: root/src/main/db/schema.ts
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import Database from "better-sqlite3";

export function initSchema(db: Database.Database) {
  db.exec(`
    CREATE TABLE IF NOT EXISTS projects (
      id TEXT PRIMARY KEY,
      name TEXT NOT NULL,
      path TEXT NOT NULL,
      created_at INTEGER NOT NULL DEFAULT (unixepoch()),
      updated_at INTEGER NOT NULL DEFAULT (unixepoch())
    );

    CREATE TABLE IF NOT EXISTS sessions (
      id TEXT PRIMARY KEY,
      project_id TEXT NOT NULL REFERENCES projects(id) ON DELETE CASCADE,
      name TEXT NOT NULL,
      phase TEXT NOT NULL DEFAULT 'research',
      claude_session_id TEXT,
      permission_mode TEXT NOT NULL DEFAULT 'acceptEdits',
      git_branch TEXT,
      created_at INTEGER NOT NULL DEFAULT (unixepoch()),
      updated_at INTEGER NOT NULL DEFAULT (unixepoch())
    );

    CREATE TABLE IF NOT EXISTS messages (
      id TEXT PRIMARY KEY,
      session_id TEXT NOT NULL REFERENCES sessions(id) ON DELETE CASCADE,
      role TEXT NOT NULL,
      content TEXT NOT NULL,
      created_at INTEGER NOT NULL DEFAULT (unixepoch())
    );

    CREATE TABLE IF NOT EXISTS settings (
      key   TEXT PRIMARY KEY,
      value TEXT NOT NULL
    );

    CREATE INDEX IF NOT EXISTS idx_sessions_project ON sessions(project_id);
    CREATE INDEX IF NOT EXISTS idx_messages_session ON messages(session_id);
  `);
}