Agent mode switches itself to plan mode and then can never get out.

Type: Bug

If you induce what the AI thinks is planning it will switch itself into plan mode.

Then when you click start implementation, it will be broken and wont' be able to get out of plan mode even if you set agent mode manually.

VS Code version: Code 1.134.0 (110a328ea54b42367b803ec53ee0bf52ef26b419, 2026-08-18T18:24:44Z)
OS version: Darwin arm64 25.6.0
Modes:

System Info

|Item|Value|
|---|---|
|CPUs|Apple M4 Max (16 x 2400)|
|GPU Status|2d_canvas: enabled
GPU0: VENDOR= 0x106b [Google Inc. (Apple)], DEVICE=0x0000 [ANGLE (Apple, ANGLE Metal Renderer: Apple M4 Max, Version 26.6.2 (Build 25G83))], DRIVER_VENDOR=Apple, DRIVER_VERSION=26.6.2 *ACTIVE*
Machine model name: Mac
Machine model version: 16.6
direct_rendering_display_compositor: disabled_off_ok
gpu_compositing: enabled
multiple_raster_threads: enabled_on
opengl: enabled_on
rasterization: enabled
raw_draw: disabled_off_ok
skia_graphite: enabled_on
trees_in_viz: disabled_off
video_decode: enabled
video_encode: enabled
webgl: enabled
webgpu: enabled
webnn: disabled_off|
|Load (avg)|11, 13, 15|
|Memory (System)|128.00GB (0.54GB free)|
|Process Argv|--crash-reporter-id b158999a-7315-44fd-9451-2d1adf5c9f3b|
|Screen Reader|no|
|VM|0%|