group editor implemented

database/schema.sql

@@ -65,3 +65,28 @@ CREATE INDEX IF NOT EXISTS idx_routes_status ON routes(status);
 CREATE INDEX IF NOT EXISTS idx_routes_activation ON routes(status, activated_at);
 CREATE INDEX IF NOT EXISTS idx_pois_route ON pois(route_id, sequence);
 CREATE INDEX IF NOT EXISTS idx_poi_images_poi ON poi_images(poi_id, sequence);
+
+CREATE TABLE IF NOT EXISTS collaboration_sessions (
+  token_hash TEXT PRIMARY KEY NOT NULL,
+  creator_id TEXT NOT NULL,
+  expires_at INTEGER NOT NULL
+) STRICT;
+
+CREATE TABLE IF NOT EXISTS collaboration_groups (
+  id TEXT PRIMARY KEY NOT NULL,
+  route_id INTEGER NOT NULL UNIQUE REFERENCES routes(id),
+  source_route_id INTEGER REFERENCES routes(id),
+  owner_creator_id TEXT NOT NULL,
+  code_hash TEXT UNIQUE,
+  code_expires_at INTEGER NOT NULL,
+  active INTEGER NOT NULL DEFAULT 1 CHECK (active IN (0, 1)),
+  revision INTEGER NOT NULL DEFAULT 0,
+  created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
+) STRICT;
+
+CREATE TABLE IF NOT EXISTS collaboration_members (
+  group_id TEXT NOT NULL REFERENCES collaboration_groups(id) ON DELETE CASCADE,
+  session_hash TEXT NOT NULL REFERENCES collaboration_sessions(token_hash) ON DELETE CASCADE,
+  role TEXT NOT NULL CHECK (role IN ('owner', 'member')),
+  PRIMARY KEY (group_id, session_hash)
+) STRICT;