apps/server/src/codexAppServerManager.ts          |   7 +-
 apps/server/src/filesystemCheckpointStore.test.ts |  75 ++++
 apps/server/src/filesystemCheckpointStore.ts      |  80 +++-
 apps/server/src/providerManager.test.ts           | 337 ++++++++++++++++
 apps/server/src/providerManager.ts                | 110 +++++-
 apps/server/src/wsServer.test.ts                  |   8 +
 apps/server/src/wsServer.ts                       |   3 +
 apps/web/src/App.tsx                              |  37 +-
 apps/web/src/components/ChatView.tsx              | 665 ++++++++++++++++++++------------
 apps/web/src/components/DiffPanel.tsx             | 565 ++++++++++++++++++++++-----
 apps/web/src/components/Sidebar.tsx               |   1 +
 apps/web/src/hooks/useMediaQuery.ts               |  27 ++
 apps/web/src/persistenceSchema.test.ts            |  98 +++++
 apps/web/src/persistenceSchema.ts                 |  50 +++
 apps/web/src/session-logic.test.ts                |  56 ++-
 apps/web/src/session-logic.ts                     | 179 ++++-----
 apps/web/src/store.test.ts                        | 139 +++++++
 apps/web/src/store.ts                             | 223 +++++++++--
 apps/web/src/types.ts                             |  20 +
 apps/web/src/worktreeCleanup.test.ts              |   1 +
 apps/web/src/wsNativeApi.ts                       |   1 +
 apps/web/src/wsTransport.ts                       |   3 +
 packages/contracts/package.json                   |   2 +-
 packages/contracts/src/ipc.ts                     |   5 +
 packages/contracts/src/provider.test.ts           |  29 ++
 packages/contracts/src/provider.ts                |  25 ++
 packages/contracts/src/ws.ts                      |   1 +
 27 files changed, 2267 insertions(+), 480 deletions(-)