fix: address review findings on the pi dock PR

Catch rejections from the Shift-Tab effort cycle, make latex script
normalization linear, and use the fork package name in pi-tui README
examples.

Author: elkaix

apps/pythinker-code/src/tui/pythinker-tui.ts

@@ -1206,7 +1206,9 @@ export class PythinkerTUI {
   // =========================================================================
 
   cycleThinkingEffort(): void {
-    void cycleThinkingEffort(this);
+    void cycleThinkingEffort(this).catch((error: unknown) => {
+      this.showError(`Failed to cycle thinking effort: ${formatErrorMessage(error)}`);
+    });
   }
 
   handleInputModeChange(mode: 'prompt' | 'bash'): void {

apps/pythinker-code/test/tui/pythinker-tui-message-flow.test.ts

@@ -1556,6 +1556,30 @@ describe('PythinkerTUI message flow', () => {
     expect(stripSgr(renderTranscript(driver))).not.toContain('Thinking set to');
   });
 
+  it('shows an error instead of an unhandled rejection when the Shift-Tab effort cycle fails', async () => {
+    const session = makeSession();
+    const startupInput: PythinkerTUIStartupInput = {
+      ...makeStartupInput(),
+      cliOptions: { ...makeStartupInput().cliOptions, model: 'k2' },
+    };
+    const { driver } = await makeDriver(
+      session,
+      { getConfig: vi.fn(async () => thinkingModelsConfig()) },
+      startupInput,
+    );
+    expect(driver.session).toBeUndefined();
+    vi.spyOn(driver, 'waitForLazyCreation').mockRejectedValueOnce(new Error('create failed'));
+
+    driver.state.editor.onShiftTab?.();
+
+    await vi.waitFor(() => {
+      expect(stripSgr(renderTranscript(driver))).toContain(
+        'Failed to cycle thinking effort: create failed',
+      );
+    });
+    expect(driver.state.appState.thinkingEffort).toBe('high');
+  });
+
   it('blocks an effort switch once the waited-out first prompt starts a turn (v2 engine)', async () => {
     const lazySession = makeSession({ id: 'ses-lazy' });
     const startupInput: PythinkerTUIStartupInput = {

packages/pi-tui/README.md

@@ -81,7 +81,7 @@ import {
   parseColor,
   rgbColor,
   styleText,
-} from "@earendil-works/pi-tui";
+} from "@pymodel/pi-tui";
 
 const accent = parseColor("oklch(70% 0.12 220)");
 const background = parseColor("#20242a");
@@ -117,7 +117,7 @@ import {
   ScrollView,
   Text,
   VStack,
-} from "@earendil-works/pi-tui";
+} from "@pymodel/pi-tui";
 
 const transcript = new Container();
 transcript.addChild(new Text("History"));

packages/pi-tui/src/latex.ts

@@ -612,7 +612,10 @@ function replaceCharacters(value: string, replacements: Readonly<Record<string,
 }
 
 function normalizeScriptValue(value: string): string {
-	return value.trim().replace(/\s*([=+-])\s*/g, "$1");
+	return value
+		.split(/([=+-])/)
+		.map((part) => part.trim())
+		.join("");
 }
 
 function formatUnicodeScript(value: string, kind: "sub" | "sup"): string | undefined {