apps/server/scripts/acp-mock-agent.ts                |  24 ++-
 apps/server/src/provider/Layers/GrokAdapter.test.ts  | 315 +++++++++++++++++++++++++++++++-
 apps/server/src/provider/Layers/GrokAdapter.ts       | 138 +++++++++++---
 apps/server/src/provider/Layers/GrokProvider.test.ts | 198 ++++++++++++++++++--
 apps/server/src/provider/Layers/GrokProvider.ts      | 229 ++++++++++++++++-------
 apps/server/src/provider/acp/AcpRuntimeModel.ts      |  15 +-
 apps/server/src/provider/acp/AcpSessionRuntime.ts    |  50 +++--
 apps/server/src/provider/acp/GrokAcpSupport.test.ts  |  30 +++
 apps/server/src/provider/acp/GrokAcpSupport.ts       |  18 +-
 apps/server/src/provider/acp/XAiAcpExtension.ts      |   6 +-
 docs/internals/providers.md                          |  11 ++
 packages/contracts/src/model.ts                      |   1 +
 packages/effect-acp/src/protocol.test.ts             |  13 +-
 packages/effect-acp/src/protocol.ts                  |  40 +++-
 14 files changed, 936 insertions(+), 152 deletions(-)