diff --git a/acceptance/cmd/lakebox/config/idle-timeout-bounds/out.test.toml b/acceptance/cmd/lakebox/config/idle-timeout-bounds/out.test.toml
index f784a18325..d6187dcb04 100644
--- a/acceptance/cmd/lakebox/config/idle-timeout-bounds/out.test.toml
+++ b/acceptance/cmd/lakebox/config/idle-timeout-bounds/out.test.toml
@@ -1,3 +1,3 @@
 Local = true
 Cloud = false
-EnvMatrix.DATABRICKS_BUNDLE_ENGINE = ["terraform", "direct"]
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/config/no-flags/out.test.toml b/acceptance/cmd/lakebox/config/no-flags/out.test.toml
index f784a18325..d6187dcb04 100644
--- a/acceptance/cmd/lakebox/config/no-flags/out.test.toml
+++ b/acceptance/cmd/lakebox/config/no-flags/out.test.toml
@@ -1,3 +1,3 @@
 Local = true
 Cloud = false
-EnvMatrix.DATABRICKS_BUNDLE_ENGINE = ["terraform", "direct"]
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/config/update-name/out.test.toml b/acceptance/cmd/lakebox/config/update-name/out.test.toml
new file mode 100644
index 0000000000..d6187dcb04
--- /dev/null
+++ b/acceptance/cmd/lakebox/config/update-name/out.test.toml
@@ -0,0 +1,3 @@
+Local = true
+Cloud = false
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/config/update-name/output.txt b/acceptance/cmd/lakebox/config/update-name/output.txt
new file mode 100644
index 0000000000..194bf2ffd1
--- /dev/null
+++ b/acceptance/cmd/lakebox/config/update-name/output.txt
@@ -0,0 +1,5 @@
+
+  id         happy-panda-1234
+  name       renamed-project
+  autostop   15m
+
diff --git a/acceptance/cmd/lakebox/config/update-name/script b/acceptance/cmd/lakebox/config/update-name/script
new file mode 100644
index 0000000000..26d8c398a2
--- /dev/null
+++ b/acceptance/cmd/lakebox/config/update-name/script
@@ -0,0 +1 @@
+$CLI lakebox config happy-panda-1234 --name renamed-project
diff --git a/acceptance/cmd/lakebox/config/update-name/test.toml b/acceptance/cmd/lakebox/config/update-name/test.toml
new file mode 100644
index 0000000000..96505610b1
--- /dev/null
+++ b/acceptance/cmd/lakebox/config/update-name/test.toml
@@ -0,0 +1,10 @@
+[[Server]]
+Pattern = "PATCH /api/2.0/lakebox/sandboxes/happy-panda-1234"
+Response.Body = '''
+{
+  "sandboxId": "happy-panda-1234",
+  "status": "Running",
+  "name": "renamed-project",
+  "idleTimeout": "900s"
+}
+'''
diff --git a/acceptance/cmd/lakebox/create/with-name/out.test.toml b/acceptance/cmd/lakebox/create/with-name/out.test.toml
new file mode 100644
index 0000000000..d6187dcb04
--- /dev/null
+++ b/acceptance/cmd/lakebox/create/with-name/out.test.toml
@@ -0,0 +1,3 @@
+Local = true
+Cloud = false
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/create/with-name/output.txt b/acceptance/cmd/lakebox/create/with-name/output.txt
new file mode 100644
index 0000000000..56262f255c
--- /dev/null
+++ b/acceptance/cmd/lakebox/create/with-name/output.txt
@@ -0,0 +1,4 @@
+  ✓ Lakebox happy-panda-1234 is running
+  default    happy-panda-1234
+
+happy-panda-1234
diff --git a/acceptance/cmd/lakebox/create/with-name/script b/acceptance/cmd/lakebox/create/with-name/script
new file mode 100644
index 0000000000..191c1a3bb9
--- /dev/null
+++ b/acceptance/cmd/lakebox/create/with-name/script
@@ -0,0 +1 @@
+$CLI lakebox create --name my-project
diff --git a/acceptance/cmd/lakebox/create/with-name/test.toml b/acceptance/cmd/lakebox/create/with-name/test.toml
new file mode 100644
index 0000000000..4acb38df56
--- /dev/null
+++ b/acceptance/cmd/lakebox/create/with-name/test.toml
@@ -0,0 +1,10 @@
+[[Server]]
+Pattern = "POST /api/2.0/lakebox/sandboxes"
+Response.Body = '''
+{
+  "sandboxId": "happy-panda-1234",
+  "status": "Running",
+  "name": "my-project",
+  "gatewayHost": "uw2.dbrx.dev"
+}
+'''
diff --git a/acceptance/cmd/lakebox/default/not-found/out.test.toml b/acceptance/cmd/lakebox/default/not-found/out.test.toml
new file mode 100644
index 0000000000..d6187dcb04
--- /dev/null
+++ b/acceptance/cmd/lakebox/default/not-found/out.test.toml
@@ -0,0 +1,3 @@
+Local = true
+Cloud = false
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/default/not-found/output.txt b/acceptance/cmd/lakebox/default/not-found/output.txt
new file mode 100644
index 0000000000..d4054aa91a
--- /dev/null
+++ b/acceptance/cmd/lakebox/default/not-found/output.txt
@@ -0,0 +1,3 @@
+Error: no lakebox named "no-such-box" — `databricks lakebox list` shows available IDs
+
+Exit code: 1
diff --git a/acceptance/cmd/lakebox/default/not-found/script b/acceptance/cmd/lakebox/default/not-found/script
new file mode 100644
index 0000000000..56b54d9a81
--- /dev/null
+++ b/acceptance/cmd/lakebox/default/not-found/script
@@ -0,0 +1 @@
+errcode $CLI lakebox default no-such-box
diff --git a/acceptance/cmd/lakebox/default/not-found/test.toml b/acceptance/cmd/lakebox/default/not-found/test.toml
new file mode 100644
index 0000000000..3d2b831b41
--- /dev/null
+++ b/acceptance/cmd/lakebox/default/not-found/test.toml
@@ -0,0 +1,4 @@
+[[Server]]
+Pattern = "GET /api/2.0/lakebox/sandboxes/no-such-box"
+Response.StatusCode = 404
+Response.Body = '{"error_code": "NOT_FOUND", "message": "Sandbox not found"}'
diff --git a/acceptance/cmd/lakebox/default/set/out.test.toml b/acceptance/cmd/lakebox/default/set/out.test.toml
new file mode 100644
index 0000000000..d6187dcb04
--- /dev/null
+++ b/acceptance/cmd/lakebox/default/set/out.test.toml
@@ -0,0 +1,3 @@
+Local = true
+Cloud = false
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/default/set/output.txt b/acceptance/cmd/lakebox/default/set/output.txt
new file mode 100644
index 0000000000..030c7884ea
--- /dev/null
+++ b/acceptance/cmd/lakebox/default/set/output.txt
@@ -0,0 +1 @@
+Default lakebox set to: happy-panda-1234
diff --git a/acceptance/cmd/lakebox/default/set/script b/acceptance/cmd/lakebox/default/set/script
new file mode 100644
index 0000000000..2a4da7a47a
--- /dev/null
+++ b/acceptance/cmd/lakebox/default/set/script
@@ -0,0 +1 @@
+$CLI lakebox default happy-panda-1234
diff --git a/acceptance/cmd/lakebox/default/set/test.toml b/acceptance/cmd/lakebox/default/set/test.toml
new file mode 100644
index 0000000000..61a48b3a37
--- /dev/null
+++ b/acceptance/cmd/lakebox/default/set/test.toml
@@ -0,0 +1,9 @@
+[[Server]]
+Pattern = "GET /api/2.0/lakebox/sandboxes/happy-panda-1234"
+Response.Body = '''
+{
+  "sandboxId": "happy-panda-1234",
+  "status": "Running",
+  "name": "my-project"
+}
+'''
diff --git a/acceptance/cmd/lakebox/delete/no-tty-no-auto-approve/out.test.toml b/acceptance/cmd/lakebox/delete/no-tty-no-auto-approve/out.test.toml
new file mode 100644
index 0000000000..d6187dcb04
--- /dev/null
+++ b/acceptance/cmd/lakebox/delete/no-tty-no-auto-approve/out.test.toml
@@ -0,0 +1,3 @@
+Local = true
+Cloud = false
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/delete/no-tty-no-auto-approve/output.txt b/acceptance/cmd/lakebox/delete/no-tty-no-auto-approve/output.txt
new file mode 100644
index 0000000000..a6ebce31a7
--- /dev/null
+++ b/acceptance/cmd/lakebox/delete/no-tty-no-auto-approve/output.txt
@@ -0,0 +1,3 @@
+Error: `databricks lakebox delete` permanently destroys the sandbox; pass --auto-approve to confirm in non-interactive contexts
+
+Exit code: 1
diff --git a/acceptance/cmd/lakebox/delete/no-tty-no-auto-approve/script b/acceptance/cmd/lakebox/delete/no-tty-no-auto-approve/script
new file mode 100644
index 0000000000..889c1a933b
--- /dev/null
+++ b/acceptance/cmd/lakebox/delete/no-tty-no-auto-approve/script
@@ -0,0 +1,3 @@
+# No --auto-approve and no TTY → must fail fast pointing at the flag,
+# not hang on a read from a closed stdin.
+errcode $CLI lakebox delete happy-panda-1234
diff --git a/acceptance/cmd/lakebox/delete/no-tty-no-auto-approve/test.toml b/acceptance/cmd/lakebox/delete/no-tty-no-auto-approve/test.toml
new file mode 100644
index 0000000000..d99bfa3599
--- /dev/null
+++ b/acceptance/cmd/lakebox/delete/no-tty-no-auto-approve/test.toml
@@ -0,0 +1,9 @@
+[[Server]]
+Pattern = "GET /api/2.0/lakebox/sandboxes/happy-panda-1234"
+Response.Body = '''
+{
+  "sandboxId": "happy-panda-1234",
+  "status": "Stopped",
+  "name": "my-project"
+}
+'''
diff --git a/acceptance/cmd/lakebox/delete/not-found/out.test.toml b/acceptance/cmd/lakebox/delete/not-found/out.test.toml
new file mode 100644
index 0000000000..d6187dcb04
--- /dev/null
+++ b/acceptance/cmd/lakebox/delete/not-found/out.test.toml
@@ -0,0 +1,3 @@
+Local = true
+Cloud = false
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/delete/not-found/output.txt b/acceptance/cmd/lakebox/delete/not-found/output.txt
new file mode 100644
index 0000000000..d4054aa91a
--- /dev/null
+++ b/acceptance/cmd/lakebox/delete/not-found/output.txt
@@ -0,0 +1,3 @@
+Error: no lakebox named "no-such-box" — `databricks lakebox list` shows available IDs
+
+Exit code: 1
diff --git a/acceptance/cmd/lakebox/delete/not-found/script b/acceptance/cmd/lakebox/delete/not-found/script
new file mode 100644
index 0000000000..a5be268dff
--- /dev/null
+++ b/acceptance/cmd/lakebox/delete/not-found/script
@@ -0,0 +1 @@
+errcode $CLI lakebox delete no-such-box --auto-approve
diff --git a/acceptance/cmd/lakebox/delete/not-found/test.toml b/acceptance/cmd/lakebox/delete/not-found/test.toml
new file mode 100644
index 0000000000..3d2b831b41
--- /dev/null
+++ b/acceptance/cmd/lakebox/delete/not-found/test.toml
@@ -0,0 +1,4 @@
+[[Server]]
+Pattern = "GET /api/2.0/lakebox/sandboxes/no-such-box"
+Response.StatusCode = 404
+Response.Body = '{"error_code": "NOT_FOUND", "message": "Sandbox not found"}'
diff --git a/acceptance/cmd/lakebox/delete/success/out.test.toml b/acceptance/cmd/lakebox/delete/success/out.test.toml
new file mode 100644
index 0000000000..d6187dcb04
--- /dev/null
+++ b/acceptance/cmd/lakebox/delete/success/out.test.toml
@@ -0,0 +1,3 @@
+Local = true
+Cloud = false
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/delete/success/output.txt b/acceptance/cmd/lakebox/delete/success/output.txt
new file mode 100644
index 0000000000..b9684e2ee2
--- /dev/null
+++ b/acceptance/cmd/lakebox/delete/success/output.txt
@@ -0,0 +1 @@
+  ✓ Removed happy-panda-1234
diff --git a/acceptance/cmd/lakebox/delete/success/script b/acceptance/cmd/lakebox/delete/success/script
new file mode 100644
index 0000000000..b5cbae3596
--- /dev/null
+++ b/acceptance/cmd/lakebox/delete/success/script
@@ -0,0 +1 @@
+$CLI lakebox delete happy-panda-1234 --auto-approve
diff --git a/acceptance/cmd/lakebox/delete/success/test.toml b/acceptance/cmd/lakebox/delete/success/test.toml
new file mode 100644
index 0000000000..8c818e25c2
--- /dev/null
+++ b/acceptance/cmd/lakebox/delete/success/test.toml
@@ -0,0 +1,13 @@
+[[Server]]
+Pattern = "GET /api/2.0/lakebox/sandboxes/happy-panda-1234"
+Response.Body = '''
+{
+  "sandboxId": "happy-panda-1234",
+  "status": "Stopped",
+  "name": "my-project"
+}
+'''
+
+[[Server]]
+Pattern = "DELETE /api/2.0/lakebox/sandboxes/happy-panda-1234"
+Response.Body = '{}'
diff --git a/acceptance/cmd/lakebox/list/empty/out.test.toml b/acceptance/cmd/lakebox/list/empty/out.test.toml
index f784a18325..d6187dcb04 100644
--- a/acceptance/cmd/lakebox/list/empty/out.test.toml
+++ b/acceptance/cmd/lakebox/list/empty/out.test.toml
@@ -1,3 +1,3 @@
 Local = true
 Cloud = false
-EnvMatrix.DATABRICKS_BUNDLE_ENGINE = ["terraform", "direct"]
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/list/json/out.test.toml b/acceptance/cmd/lakebox/list/json/out.test.toml
new file mode 100644
index 0000000000..d6187dcb04
--- /dev/null
+++ b/acceptance/cmd/lakebox/list/json/out.test.toml
@@ -0,0 +1,3 @@
+Local = true
+Cloud = false
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/list/json/output.txt b/acceptance/cmd/lakebox/list/json/output.txt
new file mode 100644
index 0000000000..ccd52b804e
--- /dev/null
+++ b/acceptance/cmd/lakebox/list/json/output.txt
@@ -0,0 +1,9 @@
+[
+  {
+    "sandboxId": "happy-panda-1234",
+    "status": "Running",
+    "gatewayHost": "uw2.dbrx.dev",
+    "name": "my-project",
+    "idleTimeout": "900s"
+  }
+]
diff --git a/acceptance/cmd/lakebox/list/json/script b/acceptance/cmd/lakebox/list/json/script
new file mode 100644
index 0000000000..0e7fbd07d5
--- /dev/null
+++ b/acceptance/cmd/lakebox/list/json/script
@@ -0,0 +1 @@
+$CLI lakebox list --json
diff --git a/acceptance/cmd/lakebox/list/json/test.toml b/acceptance/cmd/lakebox/list/json/test.toml
new file mode 100644
index 0000000000..cf34c1a826
--- /dev/null
+++ b/acceptance/cmd/lakebox/list/json/test.toml
@@ -0,0 +1,15 @@
+[[Server]]
+Pattern = "GET /api/2.0/lakebox/sandboxes"
+Response.Body = '''
+{
+  "sandboxes": [
+    {
+      "sandboxId": "happy-panda-1234",
+      "status": "Running",
+      "name": "my-project",
+      "gatewayHost": "uw2.dbrx.dev",
+      "idleTimeout": "900s"
+    }
+  ]
+}
+'''
diff --git a/acceptance/cmd/lakebox/list/with-entries/out.test.toml b/acceptance/cmd/lakebox/list/with-entries/out.test.toml
index f784a18325..d6187dcb04 100644
--- a/acceptance/cmd/lakebox/list/with-entries/out.test.toml
+++ b/acceptance/cmd/lakebox/list/with-entries/out.test.toml
@@ -1,3 +1,3 @@
 Local = true
 Cloud = false
-EnvMatrix.DATABRICKS_BUNDLE_ENGINE = ["terraform", "direct"]
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/script.prepare b/acceptance/cmd/lakebox/script.prepare
new file mode 100644
index 0000000000..628b902885
--- /dev/null
+++ b/acceptance/cmd/lakebox/script.prepare
@@ -0,0 +1,8 @@
+# Isolate the lakebox state file (~/.databricks/lakebox.json) per test
+# by pointing HOME at this test's unique TEST_TMP_DIR. Without this,
+# parallel lakebox tests race each other writing to the shared HOME's
+# state file and one read sees the other's half-written content.
+# Auth is unaffected: the test framework passes DATABRICKS_HOST /
+# DATABRICKS_TOKEN explicitly via env, so the CLI doesn't fall back to
+# ~/.databrickscfg.
+export HOME="$TEST_TMP_DIR"
diff --git a/acceptance/cmd/lakebox/ssh-key/delete/success/out.test.toml b/acceptance/cmd/lakebox/ssh-key/delete/success/out.test.toml
new file mode 100644
index 0000000000..d6187dcb04
--- /dev/null
+++ b/acceptance/cmd/lakebox/ssh-key/delete/success/out.test.toml
@@ -0,0 +1,3 @@
+Local = true
+Cloud = false
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/ssh-key/delete/success/output.txt b/acceptance/cmd/lakebox/ssh-key/delete/success/output.txt
new file mode 100644
index 0000000000..c306c9ab58
--- /dev/null
+++ b/acceptance/cmd/lakebox/ssh-key/delete/success/output.txt
@@ -0,0 +1 @@
+  ✓ SSH key [KEY_HASH] deleted
diff --git a/acceptance/cmd/lakebox/ssh-key/delete/success/script b/acceptance/cmd/lakebox/ssh-key/delete/success/script
new file mode 100644
index 0000000000..a9f26f7226
--- /dev/null
+++ b/acceptance/cmd/lakebox/ssh-key/delete/success/script
@@ -0,0 +1 @@
+$CLI lakebox ssh-key delete 98b3b2bce82049769b4ba03990460d09
diff --git a/acceptance/cmd/lakebox/ssh-key/delete/success/test.toml b/acceptance/cmd/lakebox/ssh-key/delete/success/test.toml
new file mode 100644
index 0000000000..056a1e4b69
--- /dev/null
+++ b/acceptance/cmd/lakebox/ssh-key/delete/success/test.toml
@@ -0,0 +1,9 @@
+[[Server]]
+Pattern = "DELETE /api/2.0/lakebox/ssh-keys/98b3b2bce82049769b4ba03990460d09"
+Response.Body = '{}'
+
+# See ssh-key/list/with-entries/test.toml for why we pin the hash.
+[[Repls]]
+Old = '98b3b2bce82049769b4ba03990460d09'
+New = '[KEY_HASH]'
+Order = 5
diff --git a/acceptance/cmd/lakebox/ssh-key/list/empty/out.test.toml b/acceptance/cmd/lakebox/ssh-key/list/empty/out.test.toml
index f784a18325..d6187dcb04 100644
--- a/acceptance/cmd/lakebox/ssh-key/list/empty/out.test.toml
+++ b/acceptance/cmd/lakebox/ssh-key/list/empty/out.test.toml
@@ -1,3 +1,3 @@
 Local = true
 Cloud = false
-EnvMatrix.DATABRICKS_BUNDLE_ENGINE = ["terraform", "direct"]
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/ssh-key/list/with-entries/out.test.toml b/acceptance/cmd/lakebox/ssh-key/list/with-entries/out.test.toml
new file mode 100644
index 0000000000..d6187dcb04
--- /dev/null
+++ b/acceptance/cmd/lakebox/ssh-key/list/with-entries/out.test.toml
@@ -0,0 +1,3 @@
+Local = true
+Cloud = false
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/ssh-key/list/with-entries/output.txt b/acceptance/cmd/lakebox/ssh-key/list/with-entries/output.txt
new file mode 100644
index 0000000000..3fae0e5cd1
--- /dev/null
+++ b/acceptance/cmd/lakebox/ssh-key/list/with-entries/output.txt
@@ -0,0 +1,8 @@
+
+    NAME      KEY HASH                          CREATED               LAST USED
+    ──────────────────────────────────────────────────────────────────────────────────────
+    laptop    [KEY_HASH_1]  2026-05-29 17:18      2026-05-29 17:19
+    (unset)   [KEY_HASH_2]  2026-05-12 21:31      2026-05-29 17:13
+
+  (no local lakebox key on this machine — run `databricks lakebox register` to create and register one)
+
diff --git a/acceptance/cmd/lakebox/ssh-key/list/with-entries/script b/acceptance/cmd/lakebox/ssh-key/list/with-entries/script
new file mode 100644
index 0000000000..ddeb83258e
--- /dev/null
+++ b/acceptance/cmd/lakebox/ssh-key/list/with-entries/script
@@ -0,0 +1 @@
+$CLI lakebox ssh-key list
diff --git a/acceptance/cmd/lakebox/ssh-key/list/with-entries/test.toml b/acceptance/cmd/lakebox/ssh-key/list/with-entries/test.toml
new file mode 100644
index 0000000000..d6791df2e5
--- /dev/null
+++ b/acceptance/cmd/lakebox/ssh-key/list/with-entries/test.toml
@@ -0,0 +1,31 @@
+[[Server]]
+Pattern = "GET /api/2.0/lakebox/ssh-keys"
+Response.Body = '''
+{
+  "sshKeys": [
+    {
+      "keyHash": "98b3b2bce82049769b4ba03990460d09",
+      "name": "laptop",
+      "createTime": "2026-05-29T17:18:00Z",
+      "lastUseTime": "2026-05-29T17:19:00Z"
+    },
+    {
+      "keyHash": "9e0fc7c899aeee6a462e3153aeae8f30",
+      "createTime": "2026-05-12T21:31:00Z",
+      "lastUseTime": "2026-05-29T17:13:00Z"
+    }
+  ]
+}
+'''
+
+# Pin our test hashes to stable placeholders so the framework's
+# generic 3+-digit-run → [NUMID] regex doesn't mangle them.
+[[Repls]]
+Old = '98b3b2bce82049769b4ba03990460d09'
+New = '[KEY_HASH_1]'
+Order = 5
+
+[[Repls]]
+Old = '9e0fc7c899aeee6a462e3153aeae8f30'
+New = '[KEY_HASH_2]'
+Order = 5
diff --git a/acceptance/cmd/lakebox/start/already-running/out.test.toml b/acceptance/cmd/lakebox/start/already-running/out.test.toml
new file mode 100644
index 0000000000..d6187dcb04
--- /dev/null
+++ b/acceptance/cmd/lakebox/start/already-running/out.test.toml
@@ -0,0 +1,3 @@
+Local = true
+Cloud = false
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/start/already-running/output.txt b/acceptance/cmd/lakebox/start/already-running/output.txt
new file mode 100644
index 0000000000..14f2076c32
--- /dev/null
+++ b/acceptance/cmd/lakebox/start/already-running/output.txt
@@ -0,0 +1 @@
+  ✓ Already running happy-panda-1234
diff --git a/acceptance/cmd/lakebox/start/already-running/script b/acceptance/cmd/lakebox/start/already-running/script
new file mode 100644
index 0000000000..765025f61d
--- /dev/null
+++ b/acceptance/cmd/lakebox/start/already-running/script
@@ -0,0 +1 @@
+$CLI lakebox start happy-panda-1234
diff --git a/acceptance/cmd/lakebox/start/already-running/test.toml b/acceptance/cmd/lakebox/start/already-running/test.toml
new file mode 100644
index 0000000000..6de67aaf48
--- /dev/null
+++ b/acceptance/cmd/lakebox/start/already-running/test.toml
@@ -0,0 +1,10 @@
+[[Server]]
+Pattern = "POST /api/2.0/lakebox/sandboxes/happy-panda-1234/start"
+Response.Body = '''
+{
+  "sandboxId": "happy-panda-1234",
+  "status": "Running",
+  "name": "my-project",
+  "gatewayHost": "uw2.dbrx.dev"
+}
+'''
diff --git a/acceptance/cmd/lakebox/status/json/out.test.toml b/acceptance/cmd/lakebox/status/json/out.test.toml
new file mode 100644
index 0000000000..d6187dcb04
--- /dev/null
+++ b/acceptance/cmd/lakebox/status/json/out.test.toml
@@ -0,0 +1,3 @@
+Local = true
+Cloud = false
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/status/json/output.txt b/acceptance/cmd/lakebox/status/json/output.txt
new file mode 100644
index 0000000000..efabf82446
--- /dev/null
+++ b/acceptance/cmd/lakebox/status/json/output.txt
@@ -0,0 +1,7 @@
+{
+  "sandboxId": "happy-panda-1234",
+  "status": "Running",
+  "gatewayHost": "uw2.dbrx.dev",
+  "name": "my-project",
+  "idleTimeout": "1800s"
+}
diff --git a/acceptance/cmd/lakebox/status/json/script b/acceptance/cmd/lakebox/status/json/script
new file mode 100644
index 0000000000..63be140f85
--- /dev/null
+++ b/acceptance/cmd/lakebox/status/json/script
@@ -0,0 +1 @@
+$CLI lakebox status happy-panda-1234 --json
diff --git a/acceptance/cmd/lakebox/status/json/test.toml b/acceptance/cmd/lakebox/status/json/test.toml
new file mode 100644
index 0000000000..aaa8c7754b
--- /dev/null
+++ b/acceptance/cmd/lakebox/status/json/test.toml
@@ -0,0 +1,11 @@
+[[Server]]
+Pattern = "GET /api/2.0/lakebox/sandboxes/happy-panda-1234"
+Response.Body = '''
+{
+  "sandboxId": "happy-panda-1234",
+  "status": "Running",
+  "name": "my-project",
+  "gatewayHost": "uw2.dbrx.dev",
+  "idleTimeout": "1800s"
+}
+'''
diff --git a/acceptance/cmd/lakebox/status/not-found/out.test.toml b/acceptance/cmd/lakebox/status/not-found/out.test.toml
index f784a18325..d6187dcb04 100644
--- a/acceptance/cmd/lakebox/status/not-found/out.test.toml
+++ b/acceptance/cmd/lakebox/status/not-found/out.test.toml
@@ -1,3 +1,3 @@
 Local = true
 Cloud = false
-EnvMatrix.DATABRICKS_BUNDLE_ENGINE = ["terraform", "direct"]
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/status/running/out.test.toml b/acceptance/cmd/lakebox/status/running/out.test.toml
new file mode 100644
index 0000000000..d6187dcb04
--- /dev/null
+++ b/acceptance/cmd/lakebox/status/running/out.test.toml
@@ -0,0 +1,3 @@
+Local = true
+Cloud = false
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/status/running/output.txt b/acceptance/cmd/lakebox/status/running/output.txt
new file mode 100644
index 0000000000..1121ab9bc8
--- /dev/null
+++ b/acceptance/cmd/lakebox/status/running/output.txt
@@ -0,0 +1,7 @@
+
+  id         happy-panda-1234
+  name       my-project
+  status     running
+  gateway    uw2.dbrx.dev
+  autostop   30m
+
diff --git a/acceptance/cmd/lakebox/status/running/script b/acceptance/cmd/lakebox/status/running/script
new file mode 100644
index 0000000000..b4fa44b97d
--- /dev/null
+++ b/acceptance/cmd/lakebox/status/running/script
@@ -0,0 +1 @@
+$CLI lakebox status happy-panda-1234
diff --git a/acceptance/cmd/lakebox/status/running/test.toml b/acceptance/cmd/lakebox/status/running/test.toml
new file mode 100644
index 0000000000..aaa8c7754b
--- /dev/null
+++ b/acceptance/cmd/lakebox/status/running/test.toml
@@ -0,0 +1,11 @@
+[[Server]]
+Pattern = "GET /api/2.0/lakebox/sandboxes/happy-panda-1234"
+Response.Body = '''
+{
+  "sandboxId": "happy-panda-1234",
+  "status": "Running",
+  "name": "my-project",
+  "gatewayHost": "uw2.dbrx.dev",
+  "idleTimeout": "1800s"
+}
+'''
diff --git a/acceptance/cmd/lakebox/stop/success/out.test.toml b/acceptance/cmd/lakebox/stop/success/out.test.toml
new file mode 100644
index 0000000000..d6187dcb04
--- /dev/null
+++ b/acceptance/cmd/lakebox/stop/success/out.test.toml
@@ -0,0 +1,3 @@
+Local = true
+Cloud = false
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []
diff --git a/acceptance/cmd/lakebox/stop/success/output.txt b/acceptance/cmd/lakebox/stop/success/output.txt
new file mode 100644
index 0000000000..3a5b0fc2f0
--- /dev/null
+++ b/acceptance/cmd/lakebox/stop/success/output.txt
@@ -0,0 +1 @@
+  ✓ Stopped happy-panda-1234
diff --git a/acceptance/cmd/lakebox/stop/success/script b/acceptance/cmd/lakebox/stop/success/script
new file mode 100644
index 0000000000..1f0f8f1d7d
--- /dev/null
+++ b/acceptance/cmd/lakebox/stop/success/script
@@ -0,0 +1 @@
+$CLI lakebox stop happy-panda-1234
diff --git a/acceptance/cmd/lakebox/stop/success/test.toml b/acceptance/cmd/lakebox/stop/success/test.toml
new file mode 100644
index 0000000000..224108fca7
--- /dev/null
+++ b/acceptance/cmd/lakebox/stop/success/test.toml
@@ -0,0 +1,9 @@
+[[Server]]
+Pattern = "POST /api/2.0/lakebox/sandboxes/happy-panda-1234/stop"
+Response.Body = '''
+{
+  "sandboxId": "happy-panda-1234",
+  "status": "Stopped",
+  "name": "my-project"
+}
+'''
diff --git a/acceptance/cmd/lakebox/test.toml b/acceptance/cmd/lakebox/test.toml
index a87ef9180b..55283671eb 100644
--- a/acceptance/cmd/lakebox/test.toml
+++ b/acceptance/cmd/lakebox/test.toml
@@ -1,4 +1,11 @@
-# Acceptance tests for `databricks lakebox` subcommands. Common across
-# all leaves: ignore the local state file the CLI writes (lakebox.json)
-# so it doesn't bleed into the test directory's diff.
+# Acceptance tests for `databricks lakebox` subcommands.
+#
+# Ignore the local state file the CLI writes (lakebox.json) so it
+# doesn't bleed into the test directory's diff.
 Ignore = [".databricks"]
+
+# Lakebox commands are independent of the bundle engine. Override the
+# root EnvMatrix so the two engines don't both run in parallel for
+# every lakebox test — when they did, they raced each other writing
+# to the same ~/.databricks/lakebox.json file.
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = []