fix(chat): refine prompt navigation and controls

Show prompt anchors as a connected sidebar timeline with keyboard navigation. Separate thinking effort from the model menu and clarify copy-path actions.

Author: elkaix

.changeset/fix-chat-output-path-action.md

@@ -0,0 +1,5 @@
+---
+"@pymodel/pythinker-code": patch
+---
+
+Make task output copy-path actions visually distinct.

.changeset/fix-chat-prompt-timeline.md

@@ -0,0 +1,5 @@
+---
+"@pymodel/pythinker-code": patch
+---
+
+Fix chat prompt anchors to use a connected timeline beside the sidebar with keyboard navigation.

.changeset/fix-chat-thinking-controls.md

@@ -0,0 +1,5 @@
+---
+"@pymodel/pythinker-code": patch
+---
+
+Fix the chat composer so model and thinking-effort menus open separately.

apps/pythinker-code/dist-web/.web-bundle-manifest.json

@@ -1,4 +1,4 @@
 {
-  "sourceHash": "9b3dc1691590f09af45eb3cab7d356ecf76b4ebe1b2ca9ec4d89b9b50c610d9a",
+  "sourceHash": "0350a3766f664716ef234d27c5f70b3f7206137d834edb90820e508b207f6ec6",
   "sourceFileCount": 399
 }