preview String() for []byte when debug in "WATCH" field doesn't work

[blacksheepaul]

Type: Bug

1. Debug
2. Stop at breakpoint, there is a []byte{} in Local variables, and you watch some part of this slice.
3. Then it happen

Extension version: 0.50.0
VS Code version: Code 1.106.2 (Universal) (1e3c50d64110be466c0b4a45222e81d2c9352888, 2025-11-19T16:56:50.023Z)
OS version: Darwin arm64 25.1.0
Modes:

System Info

Item	Value
CPUs	Apple M2 (8 x 2400)
GPU Status	2d_canvas: enabled 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 webgl2: enabled webgpu: enabled webnn: disabled_off
Load (avg)	4, 4, 4
Memory (System)	16.00GB (0.08GB free)
Process Argv	--crash-reporter-id 9711b098-8bef-4dc9-898a-15acc6ddf99c
Screen Reader	no
VM	0%

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dwoutputs:31242946
copilot_t_ci:31333650
e5gg6876:31282496
pythonrdcb7:31342333
aj953862:31281341
nes-set-on:31351930
6abeh943:31336334
editstats-enabled:31346257
cloudbuttont:31379625
todos-1:31405332
v66_all_req:31402695
control_gpt5applypatchexclusively:31412085
3efgi100_wstrepl:31403338
trigger-command-fix:31379601
auto_model_enabled:31385282
use-responses-api:31390855
je187915:31401257
agentic_ask_h7d75428:31426754
ec5jj548:31422691
copilot-nes-oct-t:31418199
terminalsuggestdisabled:31426256
cmp-ext-treat:31426748
cp_cls_c_966_ss:31426491
chatvisible:31426294
defaulttokens:31426298
c0683394:31419495
g0h3h215:31426582
7gj03587:31426750
fa76a614:31426783
5j92g670_sonnet:31426787

[adonovan]

cc: @h9jiang

[h9jiang]

Thanks. I think this is a valid issue. Do you mind file an issue with delve.

Evaluating the expression like (string)(x[:4]) works but the string() does not work.

cc @aarzilli