fix: stream tool intent live and sync the ANSI sanitizer

Author: elkaix

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

@@ -134,7 +134,7 @@ export const THINKING_SPINNER_LABEL_INTERVAL_MS = 12_000;
 
 const LIVE_INTENT_MAX_LENGTH = 120;
 // oxlint-disable-next-line no-control-regex -- wire text must not retain terminal escape sequences.
-const ANSI_ESCAPE = /\u001B(?:\[[0-?]*[ -/]*[@-~]|\][^\u0007]*(?:\u0007|$))/gu;
+const ANSI_ESCAPE = /\u001B(?:\[[0-?]*[ -/]*[@-~]|\][^\u0007\u001B]*(?:\u0007|\u001B\\|$))/gu;
 const CONTROL_CHARACTER = /\p{Cc}/gu;
 let liveIntent: string | undefined;
 

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

@@ -1,7 +1,7 @@
 // Extracts useful string fields from partially streamed JSON tool args.
 // This is intentionally a preview parser, not a full JSON parser.
 export const STREAMING_ARGS_FIELD_RE =
-  /"(path|file_path|command|pattern|query|url|description|title|name)"\s*:\s*"((?:\\.|[^"\\])*)"/g;
+  /"(i|path|file_path|command|pattern|query|url|description|title|name)"\s*:\s*"((?:\\.|[^"\\])*)"/g;
 
 // Bounds live tool-argument previews; final tool.call payloads remain complete.
 export const STREAMING_ARGS_PREVIEW_MAX_CHARS = 64 * 1024;

apps/pythinker-code/test/tui/tool-intent-label.test.ts

@@ -54,6 +54,13 @@ describe('tool intent thinking label', () => {
     expect(formatThinkingSpinnerLabel(0)).toBe('check failing test…');
   });
 
+  it('removes ST-terminated OSC hyperlinks before display', () => {
+    setLiveIntent(
+      '\u001B]8;;https://example.com\u001B\\click\u001B]8;;\u001B\\ done',
+    );
+    expect(formatThinkingSpinnerLabel(0)).toBe('click done…');
+  });
+
   it('sets intent from a tool delta and clears it on the result', () => {
     const driver = new PythinkerTUI({} as never, makeStartupInput());
     const dispatch = (event: Event): void =>

apps/pythinker-code/test/tui/utils/event-payload.test.ts

@@ -18,6 +18,12 @@ describe('streaming tool argument payload helpers', () => {
     });
   });
 
+  it('parses intent from partial streaming arguments', () => {
+    expect(parseStreamingArgs('{"i":"scan configs","path":"/tmp/x')).toMatchObject({
+      i: 'scan configs',
+    });
+  });
+
   it('caps accumulated streaming preview text', () => {
     const current = 'a'.repeat(STREAMING_ARGS_PREVIEW_MAX_CHARS - 2);