6b947b7593
- Remove clone_mode/branch/new_branch from frontend create session flow. - Add workspace picker to CreateSessionForm; auto-create default workspace when repo selected. - Fix tool-starter.tsx and use-start-tool.ts createInstance signatures after API change. - Remove clone mode badge from SessionCard. - Delete stale backend unit tests referencing removed clone_mode schema fields. - Update OpenSpec working-copies tasks and mark change completed. - Regenerate project maps. Quality gates: npm run typecheck, npm run lint, npm test -- --run (82 passed), python3 -m py_compile on changed backend files.