TODO.md                                   |  18 +--
 apps/desktop/src/codexAppServerManager.ts |  18 +--
 apps/desktop/src/main.ts                  |   1 +
 apps/desktop/src/providerManager.test.ts  |  28 ++++
 apps/desktop/src/providerManager.ts       |  24 ++-
 apps/renderer/src/model-logic.ts          |  44 +----
 apps/renderer/src/session-logic.test.ts   | 274 +++++++++++++++++++++++++++++++-
 packages/contracts/src/index.ts           |   1 +
 packages/contracts/src/model.test.ts      |  40 +++++
 packages/contracts/src/model.ts           |  38 +++++
 10 files changed, 419 insertions(+), 67 deletions(-)