feat: improve kiba-welcome UX and fix CI audit false positives

- Added Terminal launcher and Meta+T shortcut tip to kiba-welcome.
- Improved kiba-welcome.desktop metadata for accessibility.
- Fixed audit-workflow-unused-outputs.yml self-matching.
- Fixed audit-markdown-fenced-code-blocks-strict.yml false positives.

Co-authored-by: christopherfoxjr <213370400+christopherfoxjr@users.noreply.github.com>

Author: google-labs-jules[bot]

.github/workflows/audit-markdown-fenced-code-blocks-strict.yml

@@ -18,4 +18,5 @@ jobs:
           persist-credentials: false
       - name: Check indented blocks
         run: |
-          grep -Er "^[[:space:]]{4}[^[:space:]*-]" . --include="*.md" && exit 1 || exit 0
+          # Exclude lines starting with '<' or containing ' <' (HTML tags) and lines containing '-->' (Mermaid diagrams)
+          grep -Er "^[[:space:]]{4}[^[:space:]*-]" . --include="*.md" | grep -vE "^\s*<|-->| <" && exit 1 || exit 0

.github/workflows/audit-workflow-unused-outputs.yml

@@ -19,7 +19,8 @@ jobs:
       - name: Check for unused outputs
         run: |
           for f in .github/workflows/*.yml; do
-            outputs=$(grep "outputs:" "$f" -A 10 | grep -v "outputs:" | cut -d':' -f1 | sed 's/^[[:space:]]*//' | grep -vE "^$")
+            # Only match "outputs:" at the beginning of a line (ignoring whitespace)
+            outputs=$(grep -E "^[[:space:]]*outputs:" "$f" -A 10 | grep -v "outputs:" | cut -d':' -f1 | sed 's/^[[:space:]]*//' | grep -vE "^$")
             for out in $outputs; do
               grep -q "needs\..*\.outputs\.$out" "$f" || (echo "Unused output $out in $f" && exit 1)
             done