apps/server/integration/transferBudgetV2.integration.test.ts      |   8 +
 apps/server/src/orchestration-v2/ThreadManagementService.ts       |  48 +++++
 apps/server/src/orchestration-v2/boundedSnapshotTransport.test.ts |   5 +
 apps/server/src/orchestration-v2/http.test.ts                     | 244 +++++++++++++++++++++++++
 apps/server/src/orchestration-v2/http.ts                          |  32 ++++
 apps/server/src/relay/AgentAwarenessRelay.test.ts                 |   1 +
 apps/web/src/components/chat/ChatComposer.tsx                     | 286 ++++++++++++++++++-----------
 apps/web/src/components/chat/composerThreadImport.test.ts         | 308 ++++++++++++++++++++++++++++++++
 apps/web/src/components/chat/composerThreadImport.ts              |  40 +++++
 apps/web/src/components/chat/threadContextDrag.ts                 |  26 ++-
 apps/web/src/lib/threadContextAttachment.test.ts                  | 109 +++++++++++
 apps/web/src/lib/threadContextAttachment.ts                       |  25 +++
 docs/internals/performance-regressions.md                         |   3 +
 docs/user/composer.md                                             |   6 +
 packages/client-runtime/src/state/environmentHttpAuth.test.ts     |  24 +++
 packages/client-runtime/src/state/orchestration.ts                |  36 +++-
 packages/client-runtime/src/state/threadTranscriptHttp.ts         |  33 ++++
 packages/contracts/src/environmentHttp.ts                         |  10 ++
 packages/contracts/src/orchestrationV2.ts                         |   8 +
 packages/shared/package.json                                      |   4 +
 packages/shared/src/threadTranscript.ts                           |  16 ++
 21 files changed, 1164 insertions(+), 108 deletions(-)