refactor(core): move v1 schemas into core (#30473)

packages/opencode/test/session/snapshot-tool-race.test.ts

@@ -22,7 +22,7 @@ import { SessionPrompt } from "../../src/session/prompt"
 import { SessionRevert } from "../../src/session/revert"
 import { SessionSummary } from "../../src/session/summary"
 import { MessageV2 } from "../../src/session/message-v2"
-import { SessionLegacy } from "@opencode-ai/core/session/legacy"
+import { SessionV1 } from "@opencode-ai/core/v1/session"
 import * as Log from "@opencode-ai/core/util/log"
 import { provideTmpdirServer } from "../fixture/fixture"
 import { testEffect } from "../lib/effect"
@@ -258,11 +258,11 @@ it.live("tool execution produces non-empty session diff (snapshot race)", () =>
       // Verify the tool call completed (in the first assistant message)
       const allMsgs = yield* MessageV2.filterCompactedEffect(session.id)
       const user = allMsgs.find(
-        (msg): msg is SessionLegacy.WithParts & { info: SessionLegacy.User } => msg.info.role === "user",
+        (msg): msg is SessionV1.WithParts & { info: SessionV1.User } => msg.info.role === "user",
       )
       const tool = allMsgs
         .flatMap((m) => m.parts)
-        .find((p): p is SessionLegacy.ToolPart => p.type === "tool" && p.tool === "bash")
+        .find((p): p is SessionV1.ToolPart => p.type === "tool" && p.tool === "bash")
       expect(tool?.state.status).toBe("completed")
       if (!user) throw new Error("Expected user message")