fix(web): preserve composer history after cancelled composition

apps/web/src/components/ComposerPromptEditorTiptap.input.browser.test.tsx

@@ -353,11 +353,11 @@ it("reconciles provider skills and metadata without losing formatting, caret, or
     editor.commands.setTextSelection("run use $baby".length + 1);
   });
   editor = await screen.update(value, true, [disabled, babysit]);
-  expect(editor.state.doc.textContent).toBe("run use  now then $HOME");
+  expect(editor.state.doc.textContent).toBe("run **use  now** then $HOME");
   const chip = serializeEditorDoc(editor.state.doc).runs.find((run) => run.kind === "token")!;
   expect(editor.state.selection.from).toBe(chip.pmPos + 1);
   editor = await screen.update(value, true, [disabled]);
-  expect.soft(editor.state.doc.textContent).toBe("run use $babysit now then $HOME");
+  expect.soft(editor.state.doc.textContent).toBe("run **use $babysit now** then $HOME");
   expect(serializeEditorDoc(editor.state.doc).value).toBe(value);
   await act(async () => {
     editor.commands.insertContent("X");
@@ -367,7 +367,7 @@ it("reconciles provider skills and metadata without losing formatting, caret, or
     editor.commands.undo();
   });
   expect(serializeEditorDoc(editor.state.doc).value).toBe(value);
-  expect(editor.state.doc.textContent).toBe("run use $babysit now then $HOME");
+  expect(editor.state.doc.textContent).toBe("run **use $babysit now** then $HOME");
 
   editor = await screen.update(value, true, [babysit]);
   await act(async () => {
@@ -377,7 +377,7 @@ it("reconciles provider skills and metadata without losing formatting, caret, or
   await act(async () => {
     editor.commands.undo();
   });
-  expect(editor.state.doc.textContent).toBe("run use $babysit now then $HOME");
+  expect(editor.state.doc.textContent).toBe("run **use $babysit now** then $HOME");
   expect(serializeEditorDoc(editor.state.doc).value).toBe(value);
 
   editor = await screen.update(value, true, [

apps/web/src/components/settings/SettingsPanels.tsx

@@ -1971,7 +1971,7 @@ export function ThreadsSettingsPanel() {
         <SettingsRow
           serverScoped
           {...searchableSetting("stop-at-subscription-limit")}
-          description="Stop all Claude, Codex, and Cursor threads at subscription limits, even when paid usage is available. Overrides thread options and rechecks running sessions when enabled. Provider reports can lag; this is not a billing cap."
+          description="Stop Claude, Codex and Cursor at subscription limits, even with paid usage. Overrides thread options and rechecks running sessions. Reports can lag; this is not a billing cap."
           settingKeys={["stopAtSubscriptionLimit"]}
           control={
             <ScopedSwitch

apps/web/src/composer-rich-text-doc.ts

@@ -340,6 +340,7 @@ function withoutOpenersInCode(rules: InputRule[] | undefined): InputRule[] {
         find: rule.find,
         undoable: rule.undoable,
         handler: (props) => {
+          if (touchesMarkdownSource(props.state, props.range.from, props.range.to)) return null;
           const opener = props.range.from + Math.max(props.match[0].search(/\S/), 0);
           const code = props.state.schema.marks.code;
           if (code && props.state.doc.rangeHasMark(opener, opener + 1, code)) return null;