BIG PYTHON REFACTOR

Python scripts moved out of python/ folder to root to be unified with plugins

+ frontend extension around api calls

python/api/history_get.py

@@ -1,15 +0,0 @@
-from python.helpers.api import ApiHandler, Request, Response
-
-
-class GetHistory(ApiHandler):
-    async def process(self, input: dict, request: Request) -> dict | Response:
-        ctxid = input.get("context", [])
-        context = self.use_context(ctxid)
-        agent = context.streaming_agent or context.agent0
-        history = agent.history.output_text()
-        size = agent.history.get_tokens()
-
-        return {
-            "history": history,
-            "tokens": size
-        }