fix(core): clarify current session label

packages/core/src/instructions/builtins.ts

@@ -28,7 +28,7 @@ const layer = Layer.effect(
               read: Effect.sync(() =>
                 [
                   "<env>",
-                  `  Session ID: ${sessionID}`,
+                  `  Current conversation session ID: ${sessionID}`,
                   `  Working directory: ${location.directory}`,
                   `  Workspace root folder: ${location.project.directory}`,
                   `  Is directory a git repo: ${location.vcs?.type === "git" ? "yes" : "no"}`,

packages/core/test/instructions/builtins.test.ts

@@ -44,7 +44,7 @@ describe("InstructionBuiltIns", () => {
         [
           "Here is some useful information about the environment you are running in:",
           "<env>",
-          `  Session ID: ${sessionID}`,
+          `  Current conversation session ID: ${sessionID}`,
           `  Working directory: ${directory}`,
           `  Workspace root folder: ${projectDirectory}`,
           "  Is directory a git repo: yes",