feat(ui): toggle tool call input YAML (#182)

* feat(ui): toggle tool call input yaml

* ui: rename tool input toggle and add IO headers

* ui: add input/output accordions in tool calls

* ui: refine tool IO accordion styling

* ui: remove extra padding around IO sections

* ui: remove semibold from IO headers

* feat(ui): add tool input visibility preference

* fix(ui): scope tool input toggle to current tool call

* ui: left-align tool IO header text

* fix(ui): let palette tool input visibility override per-call

* ui: default tool input visibility to collapsed

* fix(ui): expand read tool calls on error

---------

Co-authored-by: Shantur Rathore <i@shantur.com>

packages/ui/src/lib/i18n/messages/fr/toolCall.ts

@@ -5,6 +5,14 @@ export const toolCallMessages = {
   "toolCall.header.copyTitle": "Copy tool call title",
   "toolCall.header.copyAriaLabel": "Copy tool call title",
 
+  "toolCall.header.showInputTitle": "Show Tool Arguments",
+  "toolCall.header.showInputAriaLabel": "Show Tool Arguments",
+  "toolCall.header.hideInputTitle": "Hide Tool Arguments",
+  "toolCall.header.hideInputAriaLabel": "Hide Tool Arguments",
+
+  "toolCall.io.input": "Tool Input",
+  "toolCall.io.output": "Tool Output",
+
   "toolCall.diff.label": "Diff",
   "toolCall.diff.label.withPath": "Diff · {path}",
   "toolCall.diff.viewMode.ariaLabel": "Mode d'affichage du diff",