diff --git a/libs/langgraph/profile.svg b/libs/langgraph/profile.svg
deleted file mode 100644
index 5832e76ea..000000000
--- a/libs/langgraph/profile.svg
+++ /dev/null
@@ -1,415 +0,0 @@
-<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg version="1.1" width="1200" height="298" onload="init(evt)" viewBox="0 0 1200 298" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:fg="http://github.com/jonhoo/inferno"><!--Flame graph stack visualization. See https://github.com/brendangregg/FlameGraph for latest version, and http://www.brendangregg.com/flamegraphs.html for examples.--><!--NOTES: --><defs><linearGradient id="background" y1="0" y2="1" x1="0" x2="0"><stop stop-color="#eeeeee" offset="5%"/><stop stop-color="#eeeeb0" offset="95%"/></linearGradient></defs><style type="text/css">
-text { font-family:"Verdana"; font-size:12px; fill:rgb(0,0,0); }
-#title { text-anchor:middle; font-size:17px; }
-#matched { text-anchor:end; }
-#search { text-anchor:end; opacity:0.1; cursor:pointer; }
-#search:hover, #search.show { opacity:1; }
-#subtitle { text-anchor:middle; font-color:rgb(160,160,160); }
-#unzoom { cursor:pointer; }
-#frames > *:hover { stroke:black; stroke-width:0.5; cursor:pointer; }
-.hide { display:none; }
-.parent { opacity:0.5; }
-</style><script type="text/ecmascript"><![CDATA[
-        var nametype = 'Function:';
-        var fontsize = 12;
-        var fontwidth = 0.59;
-        var xpad = 10;
-        var inverted = true;
-        var searchcolor = 'rgb(230,0,230)';
-        var fluiddrawing = true;
-        var truncate_text_right = false;
-    ]]><![CDATA["use strict";
-var details, searchbtn, unzoombtn, matchedtxt, svg, searching, frames;
-function init(evt) {
-    details = document.getElementById("details").firstChild;
-    searchbtn = document.getElementById("search");
-    unzoombtn = document.getElementById("unzoom");
-    matchedtxt = document.getElementById("matched");
-    svg = document.getElementsByTagName("svg")[0];
-    frames = document.getElementById("frames");
-    total_samples = parseInt(frames.attributes.total_samples.value);
-    searching = 0;
-
-    // Use GET parameters to restore a flamegraph's state.
-    var restore_state = function() {
-        var params = get_params();
-        if (params.x && params.y)
-            zoom(find_group(document.querySelector('[*|x="' + params.x + '"][y="' + params.y + '"]')));
-        if (params.s)
-            search(params.s);
-    };
-
-    if (fluiddrawing) {
-        // Make width dynamic so the SVG fits its parent's width.
-        svg.removeAttribute("width");
-        // Edge requires us to have a viewBox that gets updated with size changes.
-        var isEdge = /Edge\/\d./i.test(navigator.userAgent);
-        var update_for_width_change = function() {
-            if (isEdge) {
-                svg.attributes.viewBox.value = "0 0 " + svg.width.baseVal.value + " " + svg.height.baseVal.value;
-            }
-
-            // Keep consistent padding on left and right of frames container.
-            frames.attributes.width.value = svg.width.baseVal.value - xpad * 2;
-
-            // Text truncation needs to be adjusted for the current width.
-            var el = frames.children;
-            for(var i = 0; i < el.length; i++) {
-                update_text(el[i]);
-            }
-
-            // Keep search elements at a fixed distance from right edge.
-            var svgWidth = svg.width.baseVal.value;
-            searchbtn.attributes.x.value = svgWidth - xpad;
-            matchedtxt.attributes.x.value = svgWidth - xpad;
-        };
-        window.addEventListener('resize', function() {
-            update_for_width_change();
-        });
-        // This needs to be done asynchronously for Safari to work.
-        setTimeout(function() {
-            unzoom();
-            update_for_width_change();
-            restore_state();
-            if (!isEdge) {
-                svg.removeAttribute("viewBox");
-            }
-        }, 0);
-    } else {
-        restore_state();
-    }
-}
-// event listeners
-window.addEventListener("click", function(e) {
-    var target = find_group(e.target);
-    if (target) {
-        if (target.nodeName == "a") {
-            if (e.ctrlKey === false) return;
-            e.preventDefault();
-        }
-        if (target.classList.contains("parent")) unzoom();
-        zoom(target);
-
-        // set parameters for zoom state
-        var el = target.querySelector("rect");
-        if (el && el.attributes && el.attributes.y && el.attributes["fg:x"]) {
-            var params = get_params()
-            params.x = el.attributes["fg:x"].value;
-            params.y = el.attributes.y.value;
-            history.replaceState(null, null, parse_params(params));
-        }
-    }
-    else if (e.target.id == "unzoom") {
-        unzoom();
-
-        // remove zoom state
-        var params = get_params();
-        if (params.x) delete params.x;
-        if (params.y) delete params.y;
-        history.replaceState(null, null, parse_params(params));
-    }
-    else if (e.target.id == "search") search_prompt();
-}, false)
-// mouse-over for info
-// show
-window.addEventListener("mouseover", function(e) {
-    var target = find_group(e.target);
-    if (target) details.nodeValue = nametype + " " + g_to_text(target);
-}, false)
-// clear
-window.addEventListener("mouseout", function(e) {
-    var target = find_group(e.target);
-    if (target) details.nodeValue = ' ';
-}, false)
-// ctrl-F for search
-window.addEventListener("keydown",function (e) {
-    if (e.keyCode === 114 || (e.ctrlKey && e.keyCode === 70)) {
-        e.preventDefault();
-        search_prompt();
-    }
-}, false)
-// functions
-function get_params() {
-    var params = {};
-    var paramsarr = window.location.search.substr(1).split('&');
-    for (var i = 0; i < paramsarr.length; ++i) {
-        var tmp = paramsarr[i].split("=");
-        if (!tmp[0] || !tmp[1]) continue;
-        params[tmp[0]]  = decodeURIComponent(tmp[1]);
-    }
-    return params;
-}
-function parse_params(params) {
-    var uri = "?";
-    for (var key in params) {
-        uri += key + '=' + encodeURIComponent(params[key]) + '&';
-    }
-    if (uri.slice(-1) == "&")
-        uri = uri.substring(0, uri.length - 1);
-    if (uri == '?')
-        uri = window.location.href.split('?')[0];
-    return uri;
-}
-function find_child(node, selector) {
-    var children = node.querySelectorAll(selector);
-    if (children.length) return children[0];
-    return;
-}
-function find_group(node) {
-    var parent = node.parentElement;
-    if (!parent) return;
-    if (parent.id == "frames") return node;
-    return find_group(parent);
-}
-function orig_save(e, attr, val) {
-    if (e.attributes["fg:orig_" + attr] != undefined) return;
-    if (e.attributes[attr] == undefined) return;
-    if (val == undefined) val = e.attributes[attr].value;
-    e.setAttribute("fg:orig_" + attr, val);
-}
-function orig_load(e, attr) {
-    if (e.attributes["fg:orig_"+attr] == undefined) return;
-    e.attributes[attr].value = e.attributes["fg:orig_" + attr].value;
-    e.removeAttribute("fg:orig_" + attr);
-}
-function g_to_text(e) {
-    var text = find_child(e, "title").firstChild.nodeValue;
-    return (text)
-}
-function g_to_func(e) {
-    var func = g_to_text(e);
-    // if there's any manipulation we want to do to the function
-    // name before it's searched, do it here before returning.
-    return (func);
-}
-function update_text(e) {
-    var r = find_child(e, "rect");
-    var t = find_child(e, "text");
-    var w = parseFloat(r.attributes.width.value) * frames.attributes.width.value / 100 - 3;
-    var txt = find_child(e, "title").textContent.replace(/\([^(]*\)$/,"");
-    t.attributes.x.value = format_percent((parseFloat(r.attributes.x.value) + (100 * 3 / frames.attributes.width.value)));
-    // Smaller than this size won't fit anything
-    if (w < 2 * fontsize * fontwidth) {
-        t.textContent = "";
-        return;
-    }
-    t.textContent = txt;
-    // Fit in full text width
-    if (/^ *\$/.test(txt) || t.getComputedTextLength() < w)
-        return;
-    if (truncate_text_right) {
-        // Truncate the right side of the text.
-        for (var x = txt.length - 2; x > 0; x--) {
-            if (t.getSubStringLength(0, x + 2) <= w) {
-                t.textContent = txt.substring(0, x) + "..";
-                return;
-            }
-        }
-    } else {
-        // Truncate the left side of the text.
-        for (var x = 2; x < txt.length; x++) {
-            if (t.getSubStringLength(x - 2, txt.length) <= w) {
-                t.textContent = ".." + txt.substring(x, txt.length);
-                return;
-            }
-        }
-    }
-    t.textContent = "";
-}
-// zoom
-function zoom_reset(e) {
-    if (e.tagName == "rect") {
-        e.attributes.x.value = format_percent(100 * parseInt(e.attributes["fg:x"].value) / total_samples);
-        e.attributes.width.value = format_percent(100 * parseInt(e.attributes["fg:w"].value) / total_samples);
-    }
-    if (e.childNodes == undefined) return;
-    for(var i = 0, c = e.childNodes; i < c.length; i++) {
-        zoom_reset(c[i]);
-    }
-}
-function zoom_child(e, x, zoomed_width_samples) {
-    if (e.tagName == "text") {
-        var parent_x = parseFloat(find_child(e.parentNode, "rect[x]").attributes.x.value);
-        e.attributes.x.value = format_percent(parent_x + (100 * 3 / frames.attributes.width.value));
-    } else if (e.tagName == "rect") {
-        e.attributes.x.value = format_percent(100 * (parseInt(e.attributes["fg:x"].value) - x) / zoomed_width_samples);
-        e.attributes.width.value = format_percent(100 * parseInt(e.attributes["fg:w"].value) / zoomed_width_samples);
-    }
-    if (e.childNodes == undefined) return;
-    for(var i = 0, c = e.childNodes; i < c.length; i++) {
-        zoom_child(c[i], x, zoomed_width_samples);
-    }
-}
-function zoom_parent(e) {
-    if (e.attributes) {
-        if (e.attributes.x != undefined) {
-            e.attributes.x.value = "0.0%";
-        }
-        if (e.attributes.width != undefined) {
-            e.attributes.width.value = "100.0%";
-        }
-    }
-    if (e.childNodes == undefined) return;
-    for(var i = 0, c = e.childNodes; i < c.length; i++) {
-        zoom_parent(c[i]);
-    }
-}
-function zoom(node) {
-    var attr = find_child(node, "rect").attributes;
-    var width = parseInt(attr["fg:w"].value);
-    var xmin = parseInt(attr["fg:x"].value);
-    var xmax = xmin + width;
-    var ymin = parseFloat(attr.y.value);
-    unzoombtn.classList.remove("hide");
-    var el = frames.children;
-    for (var i = 0; i < el.length; i++) {
-        var e = el[i];
-        var a = find_child(e, "rect").attributes;
-        var ex = parseInt(a["fg:x"].value);
-        var ew = parseInt(a["fg:w"].value);
-        // Is it an ancestor
-        if (!inverted) {
-            var upstack = parseFloat(a.y.value) > ymin;
-        } else {
-            var upstack = parseFloat(a.y.value) < ymin;
-        }
-        if (upstack) {
-            // Direct ancestor
-            if (ex <= xmin && (ex+ew) >= xmax) {
-                e.classList.add("parent");
-                zoom_parent(e);
-                update_text(e);
-            }
-            // not in current path
-            else
-                e.classList.add("hide");
-        }
-        // Children maybe
-        else {
-            // no common path
-            if (ex < xmin || ex >= xmax) {
-                e.classList.add("hide");
-            }
-            else {
-                zoom_child(e, xmin, width);
-                update_text(e);
-            }
-        }
-    }
-}
-function unzoom() {
-    unzoombtn.classList.add("hide");
-    var el = frames.children;
-    for(var i = 0; i < el.length; i++) {
-        el[i].classList.remove("parent");
-        el[i].classList.remove("hide");
-        zoom_reset(el[i]);
-        update_text(el[i]);
-    }
-}
-// search
-function reset_search() {
-    var el = document.querySelectorAll("#frames rect");
-    for (var i = 0; i < el.length; i++) {
-        orig_load(el[i], "fill")
-    }
-    var params = get_params();
-    delete params.s;
-    history.replaceState(null, null, parse_params(params));
-}
-function search_prompt() {
-    if (!searching) {
-        var term = prompt("Enter a search term (regexp " +
-            "allowed, eg: ^ext4_)", "");
-        if (term != null) {
-            search(term)
-        }
-    } else {
-        reset_search();
-        searching = 0;
-        searchbtn.classList.remove("show");
-        searchbtn.firstChild.nodeValue = "Search"
-        matchedtxt.classList.add("hide");
-        matchedtxt.firstChild.nodeValue = ""
-    }
-}
-function search(term) {
-    var re = new RegExp(term);
-    var el = frames.children;
-    var matches = new Object();
-    var maxwidth = 0;
-    for (var i = 0; i < el.length; i++) {
-        var e = el[i];
-        // Skip over frames which are either not visible, or below the zoomed-to frame
-        if (e.classList.contains("hide") || e.classList.contains("parent")) {
-            continue;
-        }
-        var func = g_to_func(e);
-        var rect = find_child(e, "rect");
-        if (func == null || rect == null)
-            continue;
-        // Save max width. Only works as we have a root frame
-        var w = parseInt(rect.attributes["fg:w"].value);
-        if (w > maxwidth)
-            maxwidth = w;
-        if (func.match(re)) {
-            // highlight
-            var x = parseInt(rect.attributes["fg:x"].value);
-            orig_save(rect, "fill");
-            rect.attributes.fill.value = searchcolor;
-            // remember matches
-            if (matches[x] == undefined) {
-                matches[x] = w;
-            } else {
-                if (w > matches[x]) {
-                    // overwrite with parent
-                    matches[x] = w;
-                }
-            }
-            searching = 1;
-        }
-    }
-    if (!searching)
-        return;
-    var params = get_params();
-    params.s = term;
-    history.replaceState(null, null, parse_params(params));
-
-    searchbtn.classList.add("show");
-    searchbtn.firstChild.nodeValue = "Reset Search";
-    // calculate percent matched, excluding vertical overlap
-    var count = 0;
-    var lastx = -1;
-    var lastw = 0;
-    var keys = Array();
-    for (k in matches) {
-        if (matches.hasOwnProperty(k))
-            keys.push(k);
-    }
-    // sort the matched frames by their x location
-    // ascending, then width descending
-    keys.sort(function(a, b){
-        return a - b;
-    });
-    // Step through frames saving only the biggest bottom-up frames
-    // thanks to the sort order. This relies on the tree property
-    // where children are always smaller than their parents.
-    for (var k in keys) {
-        var x = parseInt(keys[k]);
-        var w = matches[keys[k]];
-        if (x >= lastx + lastw) {
-            count += w;
-            lastx = x;
-            lastw = w;
-        }
-    }
-    // display matched percent
-    matchedtxt.classList.remove("hide");
-    var pct = 100 * count / maxwidth;
-    if (pct != 100) pct = pct.toFixed(1);
-    matchedtxt.firstChild.nodeValue = "Matched: " + pct + "%";
-}
-function format_percent(n) {
-    return n.toFixed(4) + "%";
-}
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diff --git a/perf_test_sync.py b/perf_test_sync.py
deleted file mode 100644
index ac3e1a07f..000000000
--- a/perf_test_sync.py
+++ /dev/null
@@ -1,80 +0,0 @@
-import operator
-import random
-from time import perf_counter_ns
-from typing import Annotated, TypedDict
-
-from langgraph.checkpoint.sqlite import SqliteSaver
-from langgraph.constants import END, START, Send
-from langgraph.graph.state import StateGraph
-
-
-class OverallState(TypedDict):
-    subjects: list[str]
-    jokes: Annotated[list[str], operator.add]
-
-
-def continue_to_jokes(state: OverallState):
-    return [Send("generate_joke", {"subject": s}) for s in state["subjects"]]
-
-
-class JokeInput(TypedDict):
-    subject: str
-
-
-class JokeOutput(TypedDict):
-    jokes: list[str]
-
-
-def bump(state: JokeOutput):
-    return {"jokes": [state["jokes"][0] + " a"]}
-
-
-def generate(state: JokeInput):
-    return {"jokes": [f"Joke about {state['subject']}"]}
-
-
-def edit(state: JokeInput):
-    subject = state["subject"]
-    return {"subject": f"{subject} - hohoho"}
-
-
-def bump_loop(state: JokeOutput):
-    return END if state["jokes"][0].endswith(" a" * 10) else "bump"
-
-
-# subgraph
-subgraph = StateGraph(input=JokeInput, output=JokeOutput)
-subgraph.add_node("edit", edit)
-subgraph.add_node("generate", generate)
-subgraph.add_node("bump", bump)
-subgraph.set_entry_point("edit")
-subgraph.add_edge("edit", "generate")
-subgraph.add_edge("generate", "bump")
-subgraph.add_conditional_edges("bump", bump_loop)
-subgraph.set_finish_point("generate")
-subgraphc = subgraph.compile()
-
-# parent graph
-builder = StateGraph(OverallState)
-builder.add_node("generate_joke", subgraphc)
-builder.add_conditional_edges(START, continue_to_jokes)
-builder.add_edge("generate_joke", END)
-
-
-def main():
-    with SqliteSaver.from_conn_string(":memory:") as checkpointer:
-        graph = builder.compile(checkpointer=checkpointer)
-        config = {"configurable": {"thread_id": "1"}}
-        input = {
-            "subjects": [
-                random.choice("abcdefghijklmnopqrstuvwxyz") for _ in range(100)
-            ]
-        }
-
-        # invoke and pause at nested interrupt
-        s = perf_counter_ns()
-        assert len([c for c in graph.stream(input, config=config)]) == 100
-        print("Time taken:", (perf_counter_ns() - s) / 1e9)
-
-
-main()