ci: install ui as a command for the Claude job

A wrapper in /usr/local/bin runs the helper from the checkout, so Claude's Bash tool finds ui on PATH whatever environment it builds for its shell. First Claude run: [claude-test]

.github/workflows/desktop-linux.yml

@@ -379,10 +379,13 @@ jobs:
         working-directory: apps/multiplatform
         run: ./gradlew --no-daemon --console=plain -Psimplex.assets.dir=../../assets :desktop:createDistributable
 
-      - name: Install Claude Code
+      # ui goes on every shell's PATH, where Claude's Bash tool finds it whatever environment it builds
+      - name: Install Claude Code and the ui command
         run: |
           npm install --prefix "$RUNNER_TEMP/claude-code" "@anthropic-ai/claude-code@$CLAUDE_CODE_VERSION"
           echo "$RUNNER_TEMP/claude-code/node_modules/.bin" >> "$GITHUB_PATH"
+          printf '#!/bin/sh\nexec %s/scripts/ci/desktop-linux/ui "$@"\n' "$PWD" | sudo tee /usr/local/bin/ui
+          sudo chmod +x /usr/local/bin/ui
 
       - name: Start the app at the chat list
         run: scripts/ci/desktop-linux/smoke-test.sh apps/multiplatform/release/main/app/simplex "$RUNNER_TEMP/claude-test/screens" onboarding

scripts/ci/desktop-linux/claude-test.sh

@@ -3,7 +3,7 @@
 # Runs Claude Code to repeat the directory search with the ui helper, as claude-test.md describes, and passes when
 # its final message ends with "CLAUDE-TEST: PASS".
 # Usage: scripts/ci/desktop-linux/claude-test.sh <output dir> <transcript .jsonl>
-# Expects the app at the chat list (smoke-test.sh ... onboarding) with UI_OUT under <output dir>, claude on PATH,
+# Expects the app at the chat list (smoke-test.sh ... onboarding) with UI_OUT under <output dir>, claude and ui on PATH,
 # CLAUDE_MODEL and CLAUDE_CODE_OAUTH_TOKEN. Claude works in <output dir>: the screenshots, its report.md and the
 # prompt it was given end up there. The transcript is kept outside it, where Claude can't write.
 
@@ -29,7 +29,7 @@ EOF
 claude --version
 cd "$out"
 status=0
-PATH="$here:$PATH" claude -p "$(cat prompt.md)" \
+claude -p "$(cat prompt.md)" \
   --model "$CLAUDE_MODEL" \
   --max-turns 60 \
   --max-budget-usd 4 \