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

packages/core/test/filesystem/filesystem.test.ts

@@ -354,13 +354,18 @@ describe("FSUtil", () => {
 
     test("contains checks path containment", () => {
       expect(FSUtil.contains("/a/b", "/a/b/c")).toBe(true)
+      expect(FSUtil.contains("/a/b", "/a/b")).toBe(true)
       expect(FSUtil.contains("/a/b", "/a/c")).toBe(false)
+      expect(FSUtil.contains("/a/b", "/a/bad")).toBe(false)
+      if (process.platform === "win32") expect(FSUtil.contains("C:\\a", "D:\\b")).toBe(false)
     })
 
     test("overlaps detects overlapping paths", () => {
       expect(FSUtil.overlaps("/a/b", "/a/b/c")).toBe(true)
       expect(FSUtil.overlaps("/a/b/c", "/a/b")).toBe(true)
       expect(FSUtil.overlaps("/a", "/b")).toBe(false)
+      expect(FSUtil.overlaps("/a/b", "/a/bad")).toBe(false)
+      if (process.platform === "win32") expect(FSUtil.overlaps("C:\\a", "D:\\b")).toBe(false)
     })
   })
 })

packages/core/test/filesystem/ripgrep.test.ts

@@ -49,6 +49,17 @@ const withRipgrepConfig = <A, E, R>(value: string, effect: Effect.Effect<A, E, R
   )
 
 describe("file.ripgrep", () => {
+  it.live("exposes a cached managed executable filepath", () =>
+    Effect.gen(function* () {
+      const ripgrep = yield* Ripgrep.Service
+      const first = yield* ripgrep.filepath
+      const second = yield* ripgrep.filepath
+
+      expect(first).toBe(second)
+      expect((yield* Effect.promise(() => fs.stat(first))).isFile()).toBe(true)
+    }),
+  )
+
   it.live("defaults to include hidden", () =>
     Effect.gen(function* () {
       const dir = yield* tmpdir((dir) =>