v0.1.33: Fix scanForDevices is not defined error

- Fixed JavaScript scope issue by injecting scan function into existing script section
- Scan function now properly available when button is clicked
- Improved JavaScript injection strategy to avoid separate script tag conflicts
- Updated version to 0.1.33 in all files

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

fichero_printer/fichero/api.py

@@ -77,7 +77,7 @@ async def lifespan(app: FastAPI):  # noqa: ARG001
 app = FastAPI(
     title="Fichero Printer API",
     description="REST API for the Fichero D11s (AiYin) thermal label printer.",
-    version = "0.1.32",
+    version = "0.1.33",
     lifespan=lifespan,
     docs_url=None,
     redoc_url=None,
@@ -134,7 +134,7 @@ def _ui_html() -> str:
         </div>
     """
     scan_script = r'''
-<script>
+    // Scan for BLE Devices function
     async function scanForDevices() {
         console.log('Scan function called - checking elements...');
         const resultsEl = document.getElementById('scan-results');
@@ -187,18 +187,25 @@ def _ui_html() -> str:
             console.log('Scan completed. Final result:', resultsEl.textContent);
         }
     }
-</script>
-    '''
-    # Inject after the main content but before scripts
+'''
+    # Inject scan HTML after main content
     if "</main>" in template:
         parts = template.split("</main>", 1)
-        template = parts[0] + "</main>" + scan_html + scan_script + parts[1]
+        template = parts[0] + "</main>" + scan_html + parts[1]
     elif "</body>" in template:
         parts = template.split("</body>", 1)
-        template = parts[0] + scan_html + scan_script + "</body>" + parts[1]
+        template = parts[0] + scan_html + "</body>" + parts[1]
     else:
         # Fallback if no main or body tag
-        template += scan_html + scan_script
+        template += scan_html
+    
+    # Inject scan script before the closing </script> tag of the main script
+    if "</script>" in template:
+        parts = template.rsplit("</script>", 1)
+        template = parts[0] + scan_script + "</script>" + parts[1]
+    else:
+        # Fallback if no script tag found
+        template += f"<script>{scan_script}</script>"
 
     return template