diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a4e0ebfa0..42aace77f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
         run: bun test --coverage --coverage-reporter=lcov
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v5
         with:
           file: ./coverage/lcov.info
           token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/packages/remote-control-server/web/render.js b/packages/remote-control-server/web/render.js
index 5678ffff1..19100c9a9 100644
--- a/packages/remote-control-server/web/render.js
+++ b/packages/remote-control-server/web/render.js
@@ -597,7 +597,7 @@ function renderSystemMessage(text) {
 const LOADING_ID = "loading-indicator";
 
 // TUI star spinner frames (same as Claude Code CLI)
-const SPINNER_FRAMES = ["·", "✢", "✳", "✶", "✻", "✽"];
+const SPINNER_FRAMES = ["·", "✢", "✱", "✶", "✻", "✽"];
 const SPINNER_CYCLE = [...SPINNER_FRAMES, ...SPINNER_FRAMES.slice().reverse()];
 
 // 204 verbs from TUI src/constants/spinnerVerbs.ts
diff --git a/src/components/Spinner/utils.ts b/src/components/Spinner/utils.ts
index 0b90a7a59..6c08375c0 100644
--- a/src/components/Spinner/utils.ts
+++ b/src/components/Spinner/utils.ts
@@ -3,11 +3,13 @@ import type { RGBColor as RGBColorType } from './types.js'
 
 export function getDefaultCharacters(): string[] {
   if (process.env.TERM === 'xterm-ghostty') {
-    return ['·', '✢', '✳', '✶', '✻', '*'] // Use * instead of ✽ for Ghostty because the latter renders in a way that's slightly offset
+    return ['·', '✢', '✱', '✶', '✻', '*'] // ✱ replaces ✳ (emoji, renders offset in Ghostty); * replaces ✽ (same)
   }
+  // ✳ (U+2733) is matched by emoji-regex in Node.js → stringWidth returns 2 instead of 1,
+  // causing layout jitter when the spinner cycles frames. ✱ (U+2731) is visually similar but not emoji.
   return process.platform === 'darwin'
-    ? ['·', '✢', '✳', '✶', '✻', '✽']
-    : ['·', '✢', '*', '✶', '✻', '✽']
+    ? ['·', '✢', '✱', '✶', '✻', '✽']
+    : ['·', '✢', '✱', '✶', '✻', '✽']
 }
 
 // Interpolate between two RGB colors