Bootstrap minimal issue MCP

1 files changed, 78 insertions, 0 deletions

diff --git a/crates/jira-at-home/src/mcp/protocol.rs b/crates/jira-at-home/src/mcp/protocol.rs
new file mode 100644
index 0000000..9226a36
--- /dev/null
+++ b/crates/jira-at-home/src/mcp/protocol.rs
@@ -0,0 +1,78 @@
+use std::path::PathBuf;
+
+use libmcp::{Generation, HostSessionKernelSnapshot};
+use serde::{Deserialize, Serialize};
+use serde_json::Value;
+
+use crate::mcp::telemetry::ServerTelemetry;
+
+pub(crate) const PROTOCOL_VERSION: &str = "2025-11-25";
+pub(crate) const SERVER_NAME: &str = "jira-at-home";
+pub(crate) const HOST_STATE_ENV: &str = "JIRA_AT_HOME_MCP_HOST_STATE";
+pub(crate) const FORCE_ROLLOUT_ENV: &str = "JIRA_AT_HOME_MCP_TEST_FORCE_ROLLOUT_KEY";
+pub(crate) const CRASH_ONCE_ENV: &str = "JIRA_AT_HOME_MCP_TEST_HOST_CRASH_ONCE_KEY";
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub(crate) struct HostStateSeed {
+    pub(crate) session_kernel: HostSessionKernelSnapshot,
+    pub(crate) telemetry: ServerTelemetry,
+    pub(crate) next_request_id: u64,
+    pub(crate) binding: Option<ProjectBindingSeed>,
+    pub(crate) worker_generation: Generation,
+    pub(crate) worker_spawned: bool,
+    pub(crate) force_rollout_consumed: bool,
+    pub(crate) crash_once_consumed: bool,
+}
+
+#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
+pub(crate) struct ProjectBindingSeed {
+    pub(crate) requested_path: PathBuf,
+    pub(crate) project_root: PathBuf,
+}
+
+#[derive(Clone, Copy, Debug, Deserialize, Eq, Ord, PartialEq, PartialOrd, Serialize)]
+#[serde(transparent)]
+pub(crate) struct HostRequestId(pub(crate) u64);
+
+#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
+#[serde(tag = "kind", rename_all = "snake_case")]
+pub(crate) enum WorkerRequest {
+    Execute {
+        id: HostRequestId,
+        operation: WorkerOperation,
+    },
+}
+
+#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
+#[serde(tag = "kind", rename_all = "snake_case")]
+pub(crate) enum WorkerOperation {
+    CallTool { name: String, arguments: Value },
+}
+
+#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
+pub(crate) struct WorkerResponse {
+    pub(crate) id: HostRequestId,
+    pub(crate) outcome: WorkerOutcome,
+}
+
+#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
+#[serde(tag = "status", rename_all = "snake_case")]
+pub(crate) enum WorkerOutcome {
+    Success {
+        result: Value,
+    },
+    Fault {
+        fault: crate::mcp::fault::FaultRecord,
+    },
+}
+
+#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
+pub(crate) struct BinaryFingerprint {
+    pub(crate) length_bytes: u64,
+    pub(crate) modified_unix_nanos: u128,
+}
+
+#[derive(Clone, Debug)]
+pub(crate) struct WorkerSpawnConfig {
+    pub(crate) executable: PathBuf,
+}