Fix truncated input resolver and restore missing helpers (#1)

- Fix truncated input resolver and restore missing helpers (c50a399459598f0e1dee6e8e234a97890014edff)

app/services/input_resolver.py

@@ -464,4 +464,59 @@ class InputResolver:
             if isinstance(value, str):
                 stripped = value.strip()
                 if stripped.startswith(("http://", "https://")):
-                    return [{"url"
+                    return [{"url": stripped}]
+            return []
+        if any(key in value for key in ("url", "base64", "temp_path", "path", "asset_id")):
+            return [value]
+        if "data" in value and (
+            binary or any(key in value for key in ("fileName", "filename", "mimeType", "mime_type"))
+        ):
+            return [value]
+        result: list[dict[str, Any]] = []
+        for key, item in value.items():
+            if key in self.INPUT_KEYS:
+                result.extend(self._collect_descriptors(item, binary=(key == "binary")))
+            elif binary and isinstance(item, (dict, list)):
+                result.extend(self._collect_descriptors(item, binary=True))
+        return result
+
+    def _params_from_payload(self, payload: dict[str, Any]) -> dict[str, Any]:
+        """Keep operation parameters while excluding fields consumed as media inputs."""
+        if not isinstance(payload, dict):
+            return {}
+        return {key: value for key, value in payload.items() if key not in self.INPUT_KEYS}
+
+    @staticmethod
+    def _as_list(value: Any) -> list[Any]:
+        return value if isinstance(value, list) else [value]
+
+    @staticmethod
+    def _parse_field(value: Any) -> Any:
+        if not isinstance(value, str):
+            return value
+        stripped = value.strip()
+        if not stripped:
+            return stripped
+        try:
+            return json.loads(stripped)
+        except json.JSONDecodeError:
+            return value
+
+    @staticmethod
+    def _int(value: Any) -> int | None:
+        if value is None or isinstance(value, bool):
+            return None
+        try:
+            return int(value)
+        except (TypeError, ValueError, OverflowError):
+            return None
+
+    @staticmethod
+    def _original_name(path: Path) -> str:
+        name = path.name
+        # Downloader prefixes names with a random identifier for collision safety.
+        if "_" in name:
+            prefix, remainder = name.split("_", 1)
+            if len(prefix) == 32 and all(ch in "0123456789abcdef" for ch in prefix.lower()):
+                return remainder
+        return name