Feature/memory perceptual (#48)

* perf(workflow): pass JSON data to HTTP node as a string

* perf(prompt_opt): simplify log output

* feat(memory): add perceptual memory page API and related database schema

* perf(log): clean up API exception log output

* perf(memory): simplify perceptual memory timeline response by removing metadata

api/app/core/workflow/nodes/http_request/config.py

@@ -73,8 +73,10 @@ class HttpContentTypeConfig(BaseModel):
         content_type = info.data.get("content_type")
         if content_type == HttpContentType.FROM_DATA and not isinstance(v, HttpFormData):
             raise ValueError("When content_type is 'form-data', data must be of type HttpFormData")
-        elif content_type in [HttpContentType.JSON, HttpContentType.WWW_FORM] and not isinstance(v, dict):
-            raise ValueError("When content_type is JSON or x-www-form-urlencoded, data must be a object")
+        elif content_type in [HttpContentType.JSON] and not isinstance(v, str):
+            raise ValueError("When content_type is JSON, data must be of type str")
+        elif content_type in [HttpContentType.WWW_FORM] and not isinstance(v, dict):
+            raise ValueError("When content_type is x-www-form-urlencoded, data must be a object")
         elif content_type in [HttpContentType.RAW, HttpContentType.BINARY] and not isinstance(v, str):
             raise ValueError("When content_type is raw/binary, data must be a string (File descriptor)")
         return v

api/app/core/workflow/nodes/http_request/node.py

@@ -120,7 +120,7 @@ class HttpRequestNode(BaseNode):
                 return {}
             case HttpContentType.JSON:
                 content["json"] = json.loads(self._render_template(
-                    json.dumps(self.typed_config.body.data), state
+                    self.typed_config.body.data, state
                 ))
             case HttpContentType.FROM_DATA:
                 data = {}