Auto-install bin/voice_tool.py into working workspace directory

bot.py

@@ -409,6 +409,22 @@ def build_vocabulary(args: argparse.Namespace, brain=None) -> Vocabulary | None:
             target.write_text(template.read_text())
             logger.info(f"Created {target} from the template")
 
+    # Ensure bin/voice_tool.py is available in the workspace for OpenCode and Claude
+    ws_bin = workspace / "bin"
+    ws_bin.mkdir(exist_ok=True)
+    voice_script = ws_bin / "voice_tool.py"
+    source_script = here / "bin" / "voice_tool.py"
+    if source_script.exists() and not voice_script.exists():
+        try:
+            voice_script.symlink_to(source_script.resolve())
+            logger.info(f"Created symlink {voice_script} -> {source_script}")
+        except Exception:
+            try:
+                voice_script.write_text(source_script.read_text())
+                logger.info(f"Copied {source_script} -> {voice_script}")
+            except Exception as e:
+                logger.warning(f"Could not install voice_tool.py into {ws_bin}: {e}")
+
     vocabulary = Vocabulary(
         project_dir=workspace,
         vocabulary_file=vocabulary_file,