chore: cli better error handling

cli/src/core/service_creator.py

@@ -112,15 +112,27 @@ class ServiceCreator:
         project_path = Path(SERVICE_DEST_DIR / service.dir_name).resolve()
         logger.info(f"Generating uv.lock inside: {project_path}")
 
-        result = subprocess.run(
-            ["uv", "lock"],
-            cwd=project_path,  # Changes the working directory for the command
-            capture_output=True,  # Captures stdout and stderr
-            text=True,  # Returns strings instead of raw bytes
-            check=True,  # Raises CalledProcessError if the exit code is non-zero
-        )
+        try:
+            result = subprocess.run(
+                ["uv", "lock"],
+                cwd=project_path,  # Changes the working directory for the command
+                capture_output=True,  # Captures stdout and stderr
+                text=True,  # Returns strings instead of raw bytes
+                check=True,  # Raises CalledProcessError if the exit code is non-zero
+            )
 
-        logger.info("Success! uv.lock has been generated/updated.")
-        if result.stderr:
-            # uv prints its progress and resolution metrics to stderr
-            logger.warning(result.stderr.strip())
+            logger.info("Success! uv.lock has been generated/updated.")
+            if result.stderr:
+                # uv prints its progress and resolution metrics to stderr
+                logger.warning(result.stderr.strip())
+
+        except FileNotFoundError as e:
+            logger.error(
+                "The 'uv' command-line tool is not installed or not in your PATH.",
+            )
+            raise e
+        except subprocess.CalledProcessError as e:
+            logger.error("'uv lock' failed to execute successfully.")
+            logger.error(f"Exit Code: {e.returncode}")
+            logger.error(f"Details:\n{e.stderr}")
+            raise e