feat(core): add embedded v2 session runtime and tool foundation (#30632)

packages/core/src/session/info.ts

@@ -0,0 +1,47 @@
+import { DateTime } from "effect"
+import { AgentV2 } from "../agent"
+import { Location } from "../location"
+import { ModelV2 } from "../model"
+import { ProjectV2 } from "../project"
+import { ProviderV2 } from "../provider"
+import { AbsolutePath, RelativePath } from "../schema"
+import { WorkspaceV2 } from "../workspace"
+import { SessionSchema } from "./schema"
+import { SessionTable } from "./sql"
+
+export function fromRow(row: typeof SessionTable.$inferSelect): SessionSchema.Info {
+  return SessionSchema.Info.make({
+    id: SessionSchema.ID.make(row.id),
+    projectID: ProjectV2.ID.make(row.project_id),
+    title: row.title,
+    parentID: row.parent_id ? SessionSchema.ID.make(row.parent_id) : undefined,
+    agent: row.agent ? AgentV2.ID.make(row.agent) : undefined,
+    model: row.model
+      ? {
+          id: ModelV2.ID.make(row.model.id),
+          providerID: ProviderV2.ID.make(row.model.providerID),
+          variant: ModelV2.VariantID.make(row.model.variant ?? "default"),
+        }
+      : undefined,
+    cost: row.cost,
+    tokens: {
+      input: row.tokens_input,
+      output: row.tokens_output,
+      reasoning: row.tokens_reasoning,
+      cache: {
+        read: row.tokens_cache_read,
+        write: row.tokens_cache_write,
+      },
+    },
+    location: Location.Ref.make({
+      directory: AbsolutePath.make(row.directory),
+      workspaceID: row.workspace_id ? WorkspaceV2.ID.make(row.workspace_id) : undefined,
+    }),
+    subpath: row.path ? RelativePath.make(row.path) : undefined,
+    time: {
+      created: DateTime.makeUnsafe(row.time_created),
+      updated: DateTime.makeUnsafe(row.time_updated),
+      archived: row.time_archived ? DateTime.makeUnsafe(row.time_archived) : undefined,
+    },
+  })
+}