CREATE TABLE IF NOT EXISTS "rooms" (    "id" SERIAL PRIMARY KEY,    "live_kit_room" VARCHAR NOT NULL); ALTER TABLE "projects"    ADD "room_id" INTEGER REFERENCES rooms (id),    ADD "host_connection_id" INTEGER,    ADD "host_connection_epoch" UUID;CREATE INDEX "index_projects_on_host_connection_epoch" ON "projects" ("host_connection_epoch"); CREATE TABLE "worktrees" (    "project_id" INTEGER NOT NULL REFERENCES projects (id) ON DELETE CASCADE,    "id" INT8 NOT NULL,    "root_name" VARCHAR NOT NULL,    "abs_path" VARCHAR NOT NULL,    "visible" BOOL NOT NULL,    "scan_id" INT8 NOT NULL,    "is_complete" BOOL NOT NULL,    PRIMARY KEY(project_id, id));CREATE INDEX "index_worktrees_on_project_id" ON "worktrees" ("project_id"); CREATE TABLE "worktree_entries" (    "project_id" INTEGER NOT NULL,    "worktree_id" INT8 NOT NULL,    "id" INT8 NOT NULL,    "is_dir" BOOL NOT NULL,    "path" VARCHAR NOT NULL,    "inode" INT8 NOT NULL,    "mtime_seconds" INT8 NOT NULL,    "mtime_nanos" INTEGER NOT NULL,    "is_symlink" BOOL NOT NULL,    "is_ignored" BOOL NOT NULL,    PRIMARY KEY(project_id, worktree_id, id),    FOREIGN KEY(project_id, worktree_id) REFERENCES worktrees (project_id, id) ON DELETE CASCADE);CREATE INDEX "index_worktree_entries_on_project_id" ON "worktree_entries" ("project_id");CREATE INDEX "index_worktree_entries_on_project_id_and_worktree_id" ON "worktree_entries" ("project_id", "worktree_id"); CREATE TABLE "worktree_diagnostic_summaries" (    "project_id" INTEGER NOT NULL,    "worktree_id" INT8 NOT NULL,    "path" VARCHAR NOT NULL,    "language_server_id" INT8 NOT NULL,    "error_count" INTEGER NOT NULL,    "warning_count" INTEGER NOT NULL,    PRIMARY KEY(project_id, worktree_id, path),    FOREIGN KEY(project_id, worktree_id) REFERENCES worktrees (project_id, id) ON DELETE CASCADE);CREATE INDEX "index_worktree_diagnostic_summaries_on_project_id" ON "worktree_diagnostic_summaries" ("project_id");CREATE INDEX "index_worktree_diagnostic_summaries_on_project_id_and_worktree_id" ON "worktree_diagnostic_summaries" ("project_id", "worktree_id"); CREATE TABLE "language_servers" (    "project_id" INTEGER NOT NULL REFERENCES projects (id) ON DELETE CASCADE,    "id" INT8 NOT NULL,    "name" VARCHAR NOT NULL,    PRIMARY KEY(project_id, id));CREATE INDEX "index_language_servers_on_project_id" ON "language_servers" ("project_id"); CREATE TABLE "project_collaborators" (    "id" SERIAL PRIMARY KEY,    "project_id" INTEGER NOT NULL REFERENCES projects (id) ON DELETE CASCADE,    "connection_id" INTEGER NOT NULL,    "connection_epoch" UUID NOT NULL,    "user_id" INTEGER NOT NULL,    "replica_id" INTEGER NOT NULL,    "is_host" BOOLEAN NOT NULL);CREATE INDEX "index_project_collaborators_on_project_id" ON "project_collaborators" ("project_id");CREATE UNIQUE INDEX "index_project_collaborators_on_project_id_and_replica_id" ON "project_collaborators" ("project_id", "replica_id");CREATE INDEX "index_project_collaborators_on_connection_epoch" ON "project_collaborators" ("connection_epoch"); CREATE TABLE "room_participants" (    "id" SERIAL PRIMARY KEY,    "room_id" INTEGER NOT NULL REFERENCES rooms (id),    "user_id" INTEGER NOT NULL REFERENCES users (id),    "answering_connection_id" INTEGER,    "answering_connection_epoch" UUID,    "location_kind" INTEGER,    "location_project_id" INTEGER,    "initial_project_id" INTEGER,    "calling_user_id" INTEGER NOT NULL REFERENCES users (id),    "calling_connection_id" INTEGER NOT NULL,    "calling_connection_epoch" UUID NOT NULL);CREATE UNIQUE INDEX "index_room_participants_on_user_id" ON "room_participants" ("user_id");CREATE INDEX "index_room_participants_on_answering_connection_epoch" ON "room_participants" ("answering_connection_epoch");CREATE INDEX "index_room_participants_on_calling_connection_epoch" ON "room_participants" ("calling_connection_epoch");