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Picker UI polish: description, JSON toggle, back button

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Jeremiah Lowin 2026-03-23 15:42:35 -04:00
commit e363dc2ab0
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1 changed files with 42 additions and 52 deletions
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94
src/fastmcp/cli/apps_dev.py
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@ -562,7 +562,8 @@ _LOG_PANEL_HTML = """\
<span id="mcp-log-count-badge">\u00b7 <span id="mcp-log-count">0</span></span>
</div>
<div id="mcp-log-actions">
<button id="mcp-log-reset" onclick="window.location.href='/'">Reset</button>
<button id="mcp-log-reset" onclick="window.location.href='/'">&#8592; Back</button>
<script>if (window.location.pathname === "/") document.getElementById("mcp-log-reset").style.display = "none";</script>
<button id="mcp-log-clear">Clear</button>
<button id="mcp-log-close">\u00d7</button>
</div>
@ -969,8 +970,6 @@ def _build_picker_html(tools: list[dict[str, Any]]) -> str:
Pages,
Select,
SelectOption,
Tab,
Tabs,
Textarea,
)
from prefab_ui.components.form import Form
@ -1028,74 +1027,65 @@ def _build_picker_html(tools: list[dict[str, Any]]) -> str:
on_error = ShowToast(Rx("$error"), variant="error") # type: ignore[arg-type]
_desc_max_lines = 10
input_mode = f"_mode_{name}"
with Page(name, value=name), Column(gap=4):
if desc:
lines = desc.split("\n")
md_css = "text-sm text-muted-foreground"
if len(lines) <= _desc_max_lines:
Markdown(desc, css_class=md_css)
else:
desc_state = f"_desc_{name}"
short = "\n".join(lines[:_desc_max_lines])
with Pages(name=desc_state, value="short"):
with Page("short", value="short"):
Markdown(short, css_class=md_css)
Button(
"Show more",
variant="link",
size="sm",
on_click=SetState(desc_state, "full"),
)
with Page("full", value="full"):
Markdown(desc, css_class=md_css)
Button(
"Show less",
variant="link",
size="sm",
on_click=SetState(desc_state, "short"),
)
with Tabs(variant="line"):
with (
Tab("Form"),
Form(
first_para = desc.split("\n\n", 1)[0]
Muted(first_para)
with Pages(name=input_mode, value="form"):
with Page("form", value="form"), Column(gap=4):
with Column(gap=1, css_class="items-start"):
Heading("Arguments", level=3)
Button(
"Edit as JSON",
variant="link",
size="xs",
on_click=SetState(input_mode, "json"),
css_class="text-muted-foreground p-0 h-auto",
)
with Form(
on_submit=Fetch.post(
"/api/launch",
body=form_body,
on_success=OpenLink(RESULT),
on_error=on_error,
),
),
):
Form.from_model(model, fields_only=True)
Button(
"Launch",
variant="success",
button_type="submit",
)
with (
Tab("JSON"),
Form(
):
Form.from_model(model, fields_only=True)
Button(
"Launch",
variant="success",
button_type="submit",
)
with Page("json", value="json"), Column(gap=4):
with Column(gap=1, css_class="items-start"):
Heading("Arguments", level=3)
Button(
"Use form",
variant="link",
size="xs",
on_click=SetState(input_mode, "form"),
css_class="text-muted-foreground p-0 h-auto",
)
with Form(
on_submit=Fetch.post(
"/api/launch",
body=json_body,
on_success=OpenLink(RESULT),
on_error=on_error,
),
),
):
with Column(gap=2):
Label("Arguments")
):
Textarea(
name="_json_args",
placeholder='{"key": "value"}',
rows=8,
)
Button(
"Launch",
variant="success",
button_type="submit",
)
Button(
"Launch",
variant="success",
button_type="submit",
)
Markdown(
"Generated by [Prefab](https://prefab.prefect.io) 🎨",