Merge branch 'master' into gg/llama-kv-cache

ggml-ci
2025-02-10 14:45:54 +02:00 · 2025-02-10 14:45:54 +02:00 · 972f91c7d7
commit 972f91c7d7
parent b15fede7a9 d7b31a9d84
61 changed files with 8505 additions and 3580 deletions
--- a/examples/server/README.md
+++ b/examples/server/README.md
@ -220,7 +220,7 @@ services:
 The project includes a web-based user interface that enables interaction with the model through the `/chat/completions` endpoint.

 The web UI is developed using:
- `vue` framework for frontend development
+- `react` framework for frontend development
 - `tailwindcss` and `daisyui` for styling
 - `vite` for build tooling

--- a/examples/server/public/index.html.gz
+++ b/examples/server/public/index.html.gz
--- a/examples/server/server.cpp
+++ b/examples/server/server.cpp
@ -334,24 +334,24 @@ struct server_task {
        if (data.contains("json_schema") && !data.contains("grammar")) {
            try {
                auto schema                  = json_value(data, "json_schema", json::object());
-                LOG_DBG("JSON schema: %s\n", schema.dump(2).c_str());
+                SRV_DBG("JSON schema: %s\n", schema.dump(2).c_str());
                params.sampling.grammar      = json_schema_to_grammar(schema);
-                LOG_DBG("Converted grammar: %s\n", params.sampling.grammar.c_str());
+                SRV_DBG("Converted grammar: %s\n", params.sampling.grammar.c_str());
            } catch (const std::exception & e) {
                throw std::runtime_error(std::string("\"json_schema\": ") + e.what());
            }
        } else {
            params.sampling.grammar      = json_value(data, "grammar", defaults.sampling.grammar);
-            LOG_DBG("Grammar: %s\n", params.sampling.grammar.c_str());
+            SRV_DBG("Grammar: %s\n", params.sampling.grammar.c_str());
            params.sampling.grammar_lazy = json_value(data, "grammar_lazy", defaults.sampling.grammar_lazy);
-            LOG_DBG("Grammar lazy: %s\n", params.sampling.grammar_lazy ? "true" : "false");
+            SRV_DBG("Grammar lazy: %s\n", params.sampling.grammar_lazy ? "true" : "false");
        }

        {
            auto it = data.find("chat_format");
            if (it != data.end()) {
                params.oaicompat_chat_format = static_cast<common_chat_format>(it->get<int>());
-                LOG_INF("Chat format: %s\n", common_chat_format_name(params.oaicompat_chat_format).c_str());
+                SRV_INF("Chat format: %s\n", common_chat_format_name(params.oaicompat_chat_format).c_str());
            } else {
                params.oaicompat_chat_format = defaults.oaicompat_chat_format;
            }
@ -367,12 +367,12 @@ struct server_task {

                    auto ids = common_tokenize(vocab, trigger.word, /* add_special= */ false, /* parse_special= */ true);
                    if (ids.size() == 1) {
-                        LOG_DBG("Grammar trigger token: %d (`%s`)\n", ids[0], trigger.word.c_str());
+                        SRV_DBG("Grammar trigger token: %d (`%s`)\n", ids[0], trigger.word.c_str());
                        params.sampling.grammar_trigger_tokens.push_back(ids[0]);
                        params.sampling.preserved_tokens.insert(ids[0]);
                        continue;
                    }
-                    LOG_DBG("Grammar trigger word: `%s`\n", trigger.word.c_str());
+                    SRV_DBG("Grammar trigger word: `%s`\n", trigger.word.c_str());
                    params.sampling.grammar_trigger_words.push_back(trigger);
                }
            }
@ -381,11 +381,11 @@ struct server_task {
                for (const auto & t : *preserved_tokens) {
                    auto ids = common_tokenize(vocab, t.get<std::string>(), /* add_special= */ false, /* parse_special= */ true);
                    if (ids.size() == 1) {
-                        LOG_DBG("Preserved token: %d\n", ids[0]);
+                        SRV_DBG("Preserved token: %d\n", ids[0]);
                        params.sampling.preserved_tokens.insert(ids[0]);
                    } else {
                        // This may happen when using a tool call style meant for a model with special tokens to preserve on a model without said tokens.
-                        LOG_WRN("Not preserved because more than 1 token (wrong chat template override?): %s\n", t.get<std::string>().c_str());
+                        SRV_WRN("Not preserved because more than 1 token (wrong chat template override?): %s\n", t.get<std::string>().c_str());
                    }
                }
            }
@ -717,7 +717,7 @@ struct server_task_result_cmpl_final : server_task_result {
        std::string finish_reason = "length";
        common_chat_msg msg;
        if (stop == STOP_TYPE_WORD || stop == STOP_TYPE_EOS) {
-            LOG_DBG("Parsing chat message: %s\n", content.c_str());
+            SRV_DBG("Parsing chat message: %s\n", content.c_str());
            msg = common_chat_parse(content, oaicompat_chat_format);
            finish_reason = msg.tool_calls.empty() ? "stop" : "tool_calls";
        } else {
@ -1885,7 +1885,7 @@ struct server_context {
        }

        if (params_base.chat_template.empty() && !validate_builtin_chat_template(params.use_jinja)) {
-            LOG_WRN("%s: The chat template that comes with this model is not yet supported, falling back to chatml. This may cause the model to output suboptimal responses\n", __func__);
+            SRV_WRN("%s: The chat template that comes with this model is not yet supported, falling back to chatml. This may cause the model to output suboptimal responses\n", __func__);
            chat_templates = common_chat_templates_from_model(model, "chatml");
        } else {
            chat_templates = common_chat_templates_from_model(model, params_base.chat_template);
@ -3355,10 +3355,10 @@ static void log_server_request(const httplib::Request & req, const httplib::Resp

    // reminder: this function is not covered by httplib's exception handler; if someone does more complicated stuff, think about wrapping it in try-catch

-    LOG_INF("request: %s %s %s %d\n", req.method.c_str(), req.path.c_str(), req.remote_addr.c_str(), res.status);
+    SRV_INF("request: %s %s %s %d\n", req.method.c_str(), req.path.c_str(), req.remote_addr.c_str(), res.status);

-    LOG_DBG("request:  %s\n", req.body.c_str());
-    LOG_DBG("response: %s\n", res.body.c_str());
+    SRV_DBG("request:  %s\n", req.body.c_str());
+    SRV_DBG("response: %s\n", res.body.c_str());
 }

 std::function<void(int)> shutdown_handler;
@ -3860,7 +3860,9 @@ int main(int argc, char ** argv) {

        try {
            const auto & prompt = data.at("prompt");
-            LOG_DBG("Prompt: %s\n", prompt.is_string() ? prompt.get<std::string>().c_str() : prompt.dump(2).c_str());
+            // TODO: this log can become very long, put it behind a flag or think about a more compact format
+            //SRV_DBG("Prompt: %s\n", prompt.is_string() ? prompt.get<std::string>().c_str() : prompt.dump(2).c_str());
+
            std::vector<llama_tokens> tokenized_prompts = tokenize_input_prompts(ctx_server.vocab, prompt, true, true);
            tasks.reserve(tokenized_prompts.size());
            for (size_t i = 0; i < tokenized_prompts.size(); i++) {
@ -4376,6 +4378,9 @@ int main(int argc, char ** argv) {
                    res.set_content("Error: gzip is not supported by this browser", "text/plain");
                } else {
                    res.set_header("Content-Encoding", "gzip");
+                    // COEP and COOP headers, required by pyodide (python interpreter)
+                    res.set_header("Cross-Origin-Embedder-Policy", "require-corp");
+                    res.set_header("Cross-Origin-Opener-Policy", "same-origin");
                    res.set_content(reinterpret_cast<const char*>(index_html_gz), index_html_gz_len, "text/html; charset=utf-8");
                }
                return false;
--- a/examples/server/webui/.gitignore
+++ b/examples/server/webui/.gitignore
@ -0,0 +1,24 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
--- a/examples/server/webui/.prettierignore
+++ b/examples/server/webui/.prettierignore
@ -0,0 +1,10 @@
+**/.vscode
+**/.github
+**/.git
+**/.svn
+**/.hg
+**/node_modules
+**/dist
+**/build
+
+*.config.js
--- a/examples/server/webui/eslint.config.js
+++ b/examples/server/webui/eslint.config.js
@ -0,0 +1,26 @@
+import js from '@eslint/js'
+import globals from 'globals'
+import reactHooks from 'eslint-plugin-react-hooks'
+import reactRefresh from 'eslint-plugin-react-refresh'
+import tseslint from 'typescript-eslint'
+
+export default tseslint.config(
+  { ignores: ['dist'] },
+  {
+    extends: [js.configs.recommended, ...tseslint.configs.recommended],
+    files: ['**/*.{ts,tsx}'],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+    },
+    plugins: {
+      'react-hooks': reactHooks,
+      'react-refresh': reactRefresh,
+    },
+    rules: {
+      ...reactHooks.configs.recommended.rules,
+      'react-refresh/only-export-components': 'off',
+      '@typescript-eslint/no-unused-vars': 'off',
+    },
+  },
+)
--- a/examples/server/webui/index.html
+++ b/examples/server/webui/index.html
@ -1,341 +1,16 @@
-<!DOCTYPE html>
+<!doctype html>
 <html>
-<head>
-  <meta charset="UTF-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1" />
-  <meta name="color-scheme" content="light dark">
-  <title>🦙 llama.cpp - chat</title>
-</head>
-
-<body>
-  <div id="app" class="opacity-0"> <!-- opacity-0 will be removed on app mounted -->
-    <div class="flex flex-row drawer lg:drawer-open">
-      <input id="toggle-drawer" type="checkbox" class="drawer-toggle" checked />
-
-      <!-- sidebar -->
-      <div class="drawer-side h-screen lg:h-screen z-50 lg:max-w-64">
-        <label for="toggle-drawer" aria-label="close sidebar" class="drawer-overlay"></label>
-        <div class="flex flex-col bg-base-200 min-h-full max-w-64 py-4 px-4">
-          <div class="flex flex-row items-center justify-between mb-4 mt-4">
-            <h2 class="font-bold ml-4">Conversations</h2>
-
-            <!-- close sidebar button -->
-            <label for="toggle-drawer" class="btn btn-ghost lg:hidden">
-              <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-arrow-bar-left" viewBox="0 0 16 16">
-                <path fill-rule="evenodd" d="M12.5 15a.5.5 0 0 1-.5-.5v-13a.5.5 0 0 1 1 0v13a.5.5 0 0 1-.5.5M10 8a.5.5 0 0 1-.5.5H3.707l2.147 2.146a.5.5 0 0 1-.708.708l-3-3a.5.5 0 0 1 0-.708l3-3a.5.5 0 1 1 .708.708L3.707 7.5H9.5a.5.5 0 0 1 .5.5"/>
-              </svg>
-            </label>
-          </div>
-
-          <!-- list of conversations -->
-          <div :class="{
-            'btn btn-ghost justify-start': true,
-            'btn-active': messages.length === 0,
-          }" @click="newConversation">
-            + New conversation
-          </div>
-          <div v-for="conv in conversations" :class="{
-            'btn btn-ghost justify-start font-normal': true,
-            'btn-active': conv.id === viewingConvId,
-          }" @click="setViewingConv(conv.id)" dir="auto">
-            <span class="truncate">{{ conv.messages[0].content }}</span>
-          </div>
-          <div class="text-center text-xs opacity-40 mt-auto mx-4">
-            Conversations are saved to browser's localStorage
-          </div>
-        </div>
-      </div>
-
-      <!-- main view -->
-      <div class="chat-screen drawer-content grow flex flex-col h-screen w-screen mx-auto px-4">
-        <!-- header -->
-        <div class="flex flex-row items-center mt-6 mb-6">
-          <!-- open sidebar button -->
-          <label for="toggle-drawer" class="btn btn-ghost lg:hidden">
-            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-list" viewBox="0 0 16 16">
-              <path fill-rule="evenodd" d="M2.5 12a.5.5 0 0 1 .5-.5h10a.5.5 0 0 1 0 1H3a.5.5 0 0 1-.5-.5m0-4a.5.5 0 0 1 .5-.5h10a.5.5 0 0 1 0 1H3a.5.5 0 0 1-.5-.5m0-4a.5.5 0 0 1 .5-.5h10a.5.5 0 0 1 0 1H3a.5.5 0 0 1-.5-.5"/>
-            </svg>
-          </label>
-
-          <div class="grow text-2xl font-bold ml-2">llama.cpp</div>
-
-          <!-- action buttons (top right) -->
-          <div class="flex items-center">
-            <div v-if="messages.length > 0" class="dropdown dropdown-end">
-              <!-- "..." button -->
-              <button tabindex="0" role="button" class="btn m-1" :disabled="isGenerating">
-                <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-three-dots-vertical" viewBox="0 0 16 16">
-                  <path d="M9.5 13a1.5 1.5 0 1 1-3 0 1.5 1.5 0 0 1 3 0m0-5a1.5 1.5 0 1 1-3 0 1.5 1.5 0 0 1 3 0m0-5a1.5 1.5 0 1 1-3 0 1.5 1.5 0 0 1 3 0"/>
-                </svg>
-              </button>
-              <!-- "delete" dropdown menu -->
-              <ul tabindex="0" class="dropdown-content menu bg-base-100 rounded-box z-[1] w-52 p-2 shadow">
-                <li @click="downloadConv(viewingConvId)"><a>Download</a></li>
-                <li class="text-error" @click="deleteConv(viewingConvId)"><a>Delete</a></li>
-              </ul>
-            </div>
-            <div class="tooltip tooltip-bottom" data-tip="Settings">
-              <button class="btn" @click="showConfigDialog = true" :disabled="isGenerating">
-                <!-- settings button -->
-                <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-gear" viewBox="0 0 16 16">
-                  <path d="M8 4.754a3.246 3.246 0 1 0 0 6.492 3.246 3.246 0 0 0 0-6.492M5.754 8a2.246 2.246 0 1 1 4.492 0 2.246 2.246 0 0 1-4.492 0"/>
-                  <path d="M9.796 1.343c-.527-1.79-3.065-1.79-3.592 0l-.094.319a.873.873 0 0 1-1.255.52l-.292-.16c-1.64-.892-3.433.902-2.54 2.541l.159.292a.873.873 0 0 1-.52 1.255l-.319.094c-1.79.527-1.79 3.065 0 3.592l.319.094a.873.873 0 0 1 .52 1.255l-.16.292c-.892 1.64.901 3.434 2.541 2.54l.292-.159a.873.873 0 0 1 1.255.52l.094.319c.527 1.79 3.065 1.79 3.592 0l.094-.319a.873.873 0 0 1 1.255-.52l.292.16c1.64.893 3.434-.902 2.54-2.541l-.159-.292a.873.873 0 0 1 .52-1.255l.319-.094c1.79-.527 1.79-3.065 0-3.592l-.319-.094a.873.873 0 0 1-.52-1.255l.16-.292c.893-1.64-.902-3.433-2.541-2.54l-.292.159a.873.873 0 0 1-1.255-.52zm-2.633.283c.246-.835 1.428-.835 1.674 0l.094.319a1.873 1.873 0 0 0 2.693 1.115l.291-.16c.764-.415 1.6.42 1.184 1.185l-.159.292a1.873 1.873 0 0 0 1.116 2.692l.318.094c.835.246.835 1.428 0 1.674l-.319.094a1.873 1.873 0 0 0-1.115 2.693l.16.291c.415.764-.42 1.6-1.185 1.184l-.291-.159a1.873 1.873 0 0 0-2.693 1.116l-.094.318c-.246.835-1.428.835-1.674 0l-.094-.319a1.873 1.873 0 0 0-2.692-1.115l-.292.16c-.764.415-1.6-.42-1.184-1.185l.159-.291A1.873 1.873 0 0 0 1.945 8.93l-.319-.094c-.835-.246-.835-1.428 0-1.674l.319-.094A1.873 1.873 0 0 0 3.06 4.377l-.16-.292c-.415-.764.42-1.6 1.185-1.184l.292.159a1.873 1.873 0 0 0 2.692-1.115z"/>
-                </svg>
-              </button>
-            </div>
-
-            <!-- theme controller is copied from https://daisyui.com/components/theme-controller/ -->
-            <div class="tooltip tooltip-bottom" data-tip="Themes">
-              <div class="dropdown dropdown-end dropdown-bottom">
-                <div tabindex="0" role="button" class="btn m-1">
-                  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-palette2" viewBox="0 0 16 16">
-                    <path d="M0 .5A.5.5 0 0 1 .5 0h5a.5.5 0 0 1 .5.5v5.277l4.147-4.131a.5.5 0 0 1 .707 0l3.535 3.536a.5.5 0 0 1 0 .708L10.261 10H15.5a.5.5 0 0 1 .5.5v5a.5.5 0 0 1-.5.5H3a3 3 0 0 1-2.121-.879A3 3 0 0 1 0 13.044m6-.21 7.328-7.3-2.829-2.828L6 7.188zM4.5 13a1.5 1.5 0 1 0-3 0 1.5 1.5 0 0 0 3 0M15 15v-4H9.258l-4.015 4zM0 .5v12.495zm0 12.495V13z"/>
-                  </svg>
-                </div>
-                <ul tabindex="0" class="dropdown-content bg-base-300 rounded-box z-[1] w-52 p-2 shadow-2xl h-80 overflow-y-auto">
-                  <li>
-                    <button
-                      class="btn btn-sm btn-block btn-ghost justify-start"
-                      :class="{ 'btn-active': selectedTheme === 'auto' }"
-                      @click="setSelectedTheme('auto')">
-                      auto
-                    </button>
-                  </li>
-                  <li v-for="theme in themes">
-                    <input
-                      type="radio"
-                      name="theme-dropdown"
-                      class="theme-controller btn btn-sm btn-block btn-ghost justify-start"
-                      :aria-label="theme"
-                      :value="theme"
-                      :checked="selectedTheme === theme"
-                      @click="setSelectedTheme(theme)" />
-                  </li>
-                </ul>
-              </div>
-            </div>
-          </div>
-        </div>
-
-        <!-- chat messages -->
-        <div id="messages-list" class="flex flex-col grow overflow-y-auto">
-          <div class="mt-auto flex justify-center">
-            <!-- placeholder to shift the message to the bottom -->
-            {{ messages.length === 0 ? 'Send a message to start' : '' }}
-          </div>
-          <div v-for="msg in messages" class="group">
-            <message-bubble
-              :config="config"
-              :msg="msg"
-              :key="msg.id"
-              :is-generating="isGenerating"
-              :edit-user-msg-and-regenerate="editUserMsgAndRegenerate"
-              :regenerate-msg="regenerateMsg"></message-bubble>
-          </div>
-
-          <!-- pending (ongoing) assistant message -->
-          <div id="pending-msg" class="group">
-            <message-bubble
-              v-if="pendingMsg"
-              :config="config"
-              :msg="pendingMsg"
-              :key="pendingMsg.id"
-              :is-generating="isGenerating"
-              :show-thought-in-progress="config.showThoughtInProgress"
-              :edit-user-msg-and-regenerate="() => {}"
-              :regenerate-msg="() => {}"></message-bubble>
-          </div>
-        </div>
-
-        <!-- chat input -->
-        <div class="flex flex-row items-center mt-8 mb-6">
-          <textarea
-            class="textarea textarea-bordered w-full"
-            placeholder="Type a message (Shift+Enter to add a new line)"
-            v-model="inputMsg"
-            @keydown.enter.exact.prevent="sendMessage"
-            id="msg-input"
-            dir="auto"
-          ></textarea>
-          <button v-if="!isGenerating" class="btn btn-primary ml-2" @click="sendMessage" :disabled="inputMsg.length === 0">Send</button>
-          <button v-else class="btn btn-neutral ml-2" @click="stopGeneration">Stop</button>
-        </div>
-      </div>
-
-    </div>
-
-
-    <!-- modal for editing config -->
-    <dialog class="modal" :class="{'modal-open': showConfigDialog}">
-      <div class="modal-box">
-        <h3 class="text-lg font-bold mb-6">Settings</h3>
-        <div class="h-[calc(90vh-12rem)] overflow-y-auto">
-          <p class="opacity-40 mb-6">Settings below are saved in browser's localStorage</p>
-          <settings-modal-short-input :config-key="'apiKey'" :config-default="configDefault" :config-info="configInfo" v-model="config.apiKey"></settings-modal-short-input>
-          <label class="form-control mb-2">
-            <div class="label">System Message</div>
-            <textarea class="textarea textarea-bordered h-24" :placeholder="'Default: ' + configDefault.systemMessage" v-model="config.systemMessage"></textarea>
-          </label>
-          <template v-for="configKey in ['temperature', 'top_k', 'top_p', 'min_p', 'max_tokens']">
-            <settings-modal-short-input :config-key="configKey" :config-default="configDefault" :config-info="configInfo" v-model="config[configKey]"></settings-modal-short-input>
-          </template>
-          <!-- TODO: add more sampling-related configs, please regroup them into different "collapse" sections -->
-          <!-- Section: Other sampler settings -->
-          <details class="collapse collapse-arrow bg-base-200 mb-2 overflow-visible">
-            <summary class="collapse-title font-bold">Other sampler settings</summary>
-            <div class="collapse-content">
-              <!-- Samplers queue -->
-              <settings-modal-short-input label="Samplers queue" :config-key="'samplers'" :config-default="configDefault" :config-info="configInfo" v-model="config.samplers"></settings-modal-short-input>
-              <!-- Samplers -->
-              <template v-for="configKey in ['dynatemp_range', 'dynatemp_exponent', 'typical_p', 'xtc_probability', 'xtc_threshold']">
-                <settings-modal-short-input :config-key="configKey" :config-default="configDefault" :config-info="configInfo" v-model="config[configKey]"></settings-modal-short-input>
-              </template>
-            </div>
-          </details>
-          <!-- Section: Penalties settings -->
-          <details class="collapse collapse-arrow bg-base-200 mb-2 overflow-visible">
-            <summary class="collapse-title font-bold">Penalties settings</summary>
-            <div class="collapse-content">
-              <template v-for="configKey in ['repeat_last_n', 'repeat_penalty', 'presence_penalty', 'frequency_penalty', 'dry_multiplier', 'dry_base', 'dry_allowed_length', 'dry_penalty_last_n']">
-                <settings-modal-short-input :config-key="configKey" :config-default="configDefault" :config-info="configInfo" v-model="config[configKey]"></settings-modal-short-input>
-              </template>
-            </div>
-          </details>
-          <!-- Section: Reasoning models -->
-          <details class="collapse collapse-arrow bg-base-200 mb-2 overflow-visible">
-            <summary class="collapse-title font-bold">Reasoning models</summary>
-            <div class="collapse-content">
-              <div class="flex flex-row items-center mb-2">
-                <input type="checkbox" class="checkbox" v-model="config.showThoughtInProgress" />
-                <span class="ml-4">Expand though process by default for generating message</span>
-              </div>
-              <div class="flex flex-row items-center mb-2">
-                <input type="checkbox" class="checkbox" v-model="config.excludeThoughtOnReq" />
-                <span class="ml-4">Exclude thought process when sending request to API (Recommended for DeepSeek-R1)</span>
-              </div>
-            </div>
-          </details>
-          <!-- Section: Advanced config -->
-          <details class="collapse collapse-arrow bg-base-200 mb-2 overflow-visible">
-            <summary class="collapse-title font-bold">Advanced config</summary>
-            <div class="collapse-content">
-              <div class="flex flex-row items-center mb-2" v-if="isDev">
-                <!-- this button only shows in dev mode, used to import a demo conversation to test message rendering -->
-                <button class="btn" @click="debugImportDemoConv()">(debug) Import demo conversation</button>
-              </div>
-              <div class="flex flex-row items-center mb-2">
-                <input type="checkbox" class="checkbox" v-model="config.showTokensPerSecond" />
-                <span class="ml-4">Show tokens per second</span>
-              </div>
-              <label class="form-control mb-2">
-                <!-- Custom parameters input -->
-                <div class="label inline">Custom JSON config (For more info, refer to <a class="underline" href="https://github.com/ggerganov/llama.cpp/blob/master/examples/server/README.md" target="_blank" rel="noopener noreferrer">server documentation</a>)</div>
-                <textarea class="textarea textarea-bordered h-24" placeholder="Example: { &quot;mirostat&quot;: 1, &quot;min_p&quot;: 0.1 }" v-model="config.custom"></textarea>
-              </label>
-            </div>
-          </details>
-        </div>
-
-        <!-- action buttons -->
-        <div class="modal-action">
-          <button class="btn" @click="resetConfigDialog">Reset to default</button>
-          <button class="btn" @click="closeAndDiscardConfigDialog">Close</button>
-          <button class="btn btn-primary" @click="closeAndSaveConfigDialog">Save</button>
-        </div>
-      </div>
-    </dialog>
-
-  </div>
-
-
-  <!-- Template to be used as message bubble -->
-  <template id="message-bubble">
-    <div :class="{
-      'chat': true,
-      'chat-start': msg.role !== 'user',
-      'chat-end': msg.role === 'user',
-    }">
-      <div :class="{
-        'chat-bubble markdown': true,
-        'chat-bubble-base-300': msg.role !== 'user',
-      }">
-        <!-- textarea for editing message -->
-        <template v-if="editingContent !== null">
-          <textarea
-            dir="auto"
-            class="textarea textarea-bordered bg-base-100 text-base-content w-[calc(90vw-8em)] lg:w-96"
-            v-model="editingContent"></textarea>
-          <br/>
-          <button class="btn btn-ghost mt-2 mr-2" @click="editingContent = null">Cancel</button>
-          <button class="btn mt-2" @click="editMsg()">Submit</button>
-        </template>
-        <template v-else>
-          <!-- show loading dots for pending message -->
-          <span v-if="msg.content === null" class="loading loading-dots loading-md"></span>
-          <!-- render message as markdown -->
-          <div v-else dir="auto">
-            <details v-if="msg.role === 'assistant' && splitMsgContent.cot" class="collapse bg-base-200 collapse-arrow mb-4" :open="splitMsgContent.isThinking && showThoughtInProgress">
-              <summary class="collapse-title">
-                <span v-if="splitMsgContent.isThinking">
-                  <span v-if="isGenerating" class="loading loading-spinner loading-md mr-2" style="vertical-align: middle;"></span>
-                  <b>Thinking</b>
-                </span>
-                <b v-else>Thought Process</b>
-              </summary>
-              <vue-markdown :source="splitMsgContent.cot" dir="auto" class="collapse-content"></vue-markdown>
-            </details>
-            <vue-markdown :source="splitMsgContent.content"></vue-markdown>
-          </div>
-          <!-- render timings if enabled -->
-          <div class="dropdown dropdown-hover dropdown-top mt-2" v-if="timings && config.showTokensPerSecond">
-            <div tabindex="0" role="button" class="cursor-pointer font-semibold text-sm opacity-60">Speed: {{ timings.predicted_per_second.toFixed(1) }} t/s</div>
-            <div class="dropdown-content bg-base-100 z-10 w-64 p-2 shadow mt-4">
-              <b>Prompt</b><br/>
-              - Tokens: {{ timings.prompt_n }}<br/>
-              - Time: {{ timings.prompt_ms }} ms<br/>
-              - Speed: {{ timings.prompt_per_second.toFixed(1) }} t/s<br/>
-              <b>Generation</b><br/>
-              - Tokens: {{ timings.predicted_n }}<br/>
-              - Time: {{ timings.predicted_ms }} ms<br/>
-              - Speed: {{ timings.predicted_per_second.toFixed(1) }} t/s<br/>
-            </div>
-          </div>
-        </template>
-      </div>
-    </div>
-    <!-- actions for each message -->
-    <div :class="{'text-right': msg.role === 'user', 'opacity-0': isGenerating}" class="mx-4 mt-2 mb-2">
-      <!-- user message -->
-      <button v-if="msg.role === 'user'" class="badge btn-mini show-on-hover" @click="editingContent = msg.content" :disabled="isGenerating">
-        ✍️ Edit
-      </button>
-      <!-- assistant message -->
-      <button v-if="msg.role === 'assistant'" class="badge btn-mini show-on-hover mr-2" @click="regenerateMsg(msg)" :disabled="isGenerating">
-        🔄 Regenerate
-      </button>
-      <button v-if="msg.role === 'assistant'" class="badge btn-mini show-on-hover mr-2" @click="copyMsg()" :disabled="isGenerating">
-        📋 Copy
-      </button>
-    </div>
-  </template>
-
-
-  <!-- Template to be used by settings modal -->
-  <template id="settings-modal-short-input">
-    <label class="input input-bordered join-item grow flex items-center gap-2 mb-2">
-      <!-- Show help message on hovering on the input label -->
-      <div class="dropdown dropdown-hover">
-        <div tabindex="0" role="button" class="font-bold">{{ label || configKey }}</div>
-        <div class="dropdown-content menu bg-base-100 rounded-box z-10 w-64 p-2 shadow mt-4">
-          {{ configInfo[configKey] || '(no help message available)' }}
-        </div>
-      </div>
-      <!-- Here we forward v-model from parent to child component, see: https://stackoverflow.com/questions/47311936/v-model-and-child-components -->
-      <input type="text" class="grow" :placeholder="'Default: ' + (configDefault[configKey] || 'none')" :value="modelValue" @input="$emit('update:modelValue', $event.target.value)" />
-    </label>
-  </template>
-
-  <script type="module" src="/src/main.js"></script>
-</body>
-
+  <head>
+    <meta charset="UTF-8" />
+    <meta
+      name="viewport"
+      content="width=device-width, initial-scale=1, maximum-scale=1"
+    />
+    <meta name="color-scheme" content="light dark" />
+    <title>🦙 llama.cpp - chat</title>
+  </head>
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/main.tsx"></script>
+  </body>
 </html>
--- a/examples/server/webui/package-lock.json
+++ b/examples/server/webui/package-lock.json
--- a/examples/server/webui/package.json
+++ b/examples/server/webui/package.json
@ -5,26 +5,55 @@
  "type": "module",
  "scripts": {
    "dev": "vite",
-    "build": "vite build",
-    "preview": "vite preview",
-    "analyze": "ANALYZE=1 npx vite-bundle-visualizer"
-  },
-  "devDependencies": {
-    "sass-embedded": "^1.83.0",
-    "vite": "^5.4.10"
+    "build": "tsc -b && vite build",
+    "format": "eslint . && prettier --write .",
+    "lint": "eslint .",
+    "preview": "vite preview"
  },
  "dependencies": {
+    "@heroicons/react": "^2.2.0",
    "@sec-ant/readable-stream": "^0.6.0",
    "@vscode/markdown-it-katex": "^1.1.1",
    "autoprefixer": "^10.4.20",
    "daisyui": "^4.12.14",
    "highlight.js": "^11.10.0",
    "katex": "^0.16.15",
-    "markdown-it": "^14.1.0",
    "postcss": "^8.4.49",
+    "react": "^18.3.1",
+    "react-dom": "^18.3.1",
+    "react-markdown": "^9.0.3",
+    "react-router": "^7.1.5",
+    "rehype-highlight": "^7.0.2",
+    "rehype-katex": "^7.0.1",
+    "remark-breaks": "^4.0.0",
+    "remark-gfm": "^4.0.0",
+    "remark-math": "^6.0.0",
    "tailwindcss": "^3.4.15",
    "textlinestream": "^1.1.1",
-    "vite-plugin-singlefile": "^2.0.3",
-    "vue": "^3.5.13"
+    "vite-plugin-singlefile": "^2.0.3"
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.17.0",
+    "@types/markdown-it": "^14.1.2",
+    "@types/node": "^22.13.1",
+    "@types/react": "^18.3.18",
+    "@types/react-dom": "^18.3.5",
+    "@vitejs/plugin-react": "^4.3.4",
+    "eslint": "^9.17.0",
+    "eslint-plugin-react-hooks": "^5.0.0",
+    "eslint-plugin-react-refresh": "^0.4.16",
+    "globals": "^15.14.0",
+    "prettier": "^3.4.2",
+    "sass-embedded": "^1.83.4",
+    "typescript": "~5.6.2",
+    "typescript-eslint": "^8.18.2",
+    "vite": "^6.0.5"
+  },
+  "prettier": {
+    "trailingComma": "es5",
+    "tabWidth": 2,
+    "semi": true,
+    "singleQuote": true,
+    "bracketSameLine": false
  }
 }
--- a/examples/server/webui/public/demo-conversation.json
+++ b/examples/server/webui/public/demo-conversation.json
@ -11,7 +11,7 @@
    {
      "id": 1734087548327,
      "role": "assistant",
-      "content": "This is the formula:\n\n$\\frac{e^{x_i}}{\\sum_{j=1}^{n}e^{x_j}}$\n\nGiven an input vector \\(\\mathbf{x} = [x_1, x_2, \\ldots, x_n]\\)\n\n\\[\ny_i = \\frac{e^{x_i}}{\\sum_{j=1}^n e^{x_j}}\n\\]\n\nCode block latex:\n```latex\n\\frac{e^{x_i}}{\\sum_{j=1}^{n}e^{x_j}}\n```\n\nTest dollar sign: $1234 $4567\n\nInvalid latex syntax: $E = mc^$ and $$E = mc^$$",
+      "content": "This is the formula:\n\n$\\frac{e^{x_i}}{\\sum_{j=1}^{n}e^{x_j}}$\n\nGiven an input vector \\(\\mathbf{x} = [x_1, x_2, \\ldots, x_n]\\)\n\n\\[\ny_i = \\frac{e^{x_i}}{\\sum_{j=1}^n e^{x_j}}\n\\]\n\n$2x + y = z$\n\nCode block latex:\n```latex\n\\frac{e^{x_i}}{\\sum_{j=1}^{n}e^{x_j}}\n```\n\nTest dollar sign: $1234 $4567\n\nInvalid latex syntax: $E = mc^$ and $$E = mc^$$",
      "timings": {
        "prompt_n": 1,
        "prompt_ms": 28.923,
--- a/examples/server/webui/src/App.tsx
+++ b/examples/server/webui/src/App.tsx
@ -0,0 +1,47 @@
+import { HashRouter, Outlet, Route, Routes } from 'react-router';
+import Header from './components/Header';
+import Sidebar from './components/Sidebar';
+import { AppContextProvider, useAppContext } from './utils/app.context';
+import ChatScreen from './components/ChatScreen';
+import SettingDialog from './components/SettingDialog';
+
+function App() {
+  return (
+    <HashRouter>
+      <div className="flex flex-row drawer lg:drawer-open">
+        <AppContextProvider>
+          <Routes>
+            <Route element={<AppLayout />}>
+              <Route path="/chat/:convId" element={<ChatScreen />} />
+              <Route path="*" element={<ChatScreen />} />
+            </Route>
+          </Routes>
+        </AppContextProvider>
+      </div>
+    </HashRouter>
+  );
+}
+
+function AppLayout() {
+  const { showSettings, setShowSettings } = useAppContext();
+  return (
+    <>
+      <Sidebar />
+      <div
+        className="drawer-content grow flex flex-col h-screen w-screen mx-auto px-4 overflow-auto"
+        id="main-scroll"
+      >
+        <Header />
+        <Outlet />
+      </div>
+      {
+        <SettingDialog
+          show={showSettings}
+          onClose={() => setShowSettings(false)}
+        />
+      }
+    </>
+  );
+}
+
+export default App;
--- a/examples/server/webui/src/Config.ts
+++ b/examples/server/webui/src/Config.ts
@ -0,0 +1,92 @@
+import daisyuiThemes from 'daisyui/src/theming/themes';
+import { isNumeric } from './utils/misc';
+
+export const isDev = import.meta.env.MODE === 'development';
+
+// constants
+export const BASE_URL = new URL('.', document.baseURI).href
+  .toString()
+  .replace(/\/$/, '');
+
+export const CONFIG_DEFAULT = {
+  // Note: in order not to introduce breaking changes, please keep the same data type (number, string, etc) if you want to change the default value. Do not use null or undefined for default value.
+  // Do not use nested objects, keep it single level. Prefix the key if you need to group them.
+  apiKey: '',
+  systemMessage: 'You are a helpful assistant.',
+  showTokensPerSecond: false,
+  showThoughtInProgress: false,
+  excludeThoughtOnReq: true,
+  // make sure these default values are in sync with `common.h`
+  samplers: 'edkypmxt',
+  temperature: 0.8,
+  dynatemp_range: 0.0,
+  dynatemp_exponent: 1.0,
+  top_k: 40,
+  top_p: 0.95,
+  min_p: 0.05,
+  xtc_probability: 0.0,
+  xtc_threshold: 0.1,
+  typical_p: 1.0,
+  repeat_last_n: 64,
+  repeat_penalty: 1.0,
+  presence_penalty: 0.0,
+  frequency_penalty: 0.0,
+  dry_multiplier: 0.0,
+  dry_base: 1.75,
+  dry_allowed_length: 2,
+  dry_penalty_last_n: -1,
+  max_tokens: -1,
+  custom: '', // custom json-stringified object
+  // experimental features
+  pyIntepreterEnabled: false,
+};
+export const CONFIG_INFO: Record<string, string> = {
+  apiKey: 'Set the API Key if you are using --api-key option for the server.',
+  systemMessage: 'The starting message that defines how model should behave.',
+  samplers:
+    'The order at which samplers are applied, in simplified way. Default is "dkypmxt": dry->top_k->typ_p->top_p->min_p->xtc->temperature',
+  temperature:
+    'Controls the randomness of the generated text by affecting the probability distribution of the output tokens. Higher = more random, lower = more focused.',
+  dynatemp_range:
+    'Addon for the temperature sampler. The added value to the range of dynamic temperature, which adjusts probabilities by entropy of tokens.',
+  dynatemp_exponent:
+    'Addon for the temperature sampler. Smoothes out the probability redistribution based on the most probable token.',
+  top_k: 'Keeps only k top tokens.',
+  top_p:
+    'Limits tokens to those that together have a cumulative probability of at least p',
+  min_p:
+    'Limits tokens based on the minimum probability for a token to be considered, relative to the probability of the most likely token.',
+  xtc_probability:
+    'XTC sampler cuts out top tokens; this parameter controls the chance of cutting tokens at all. 0 disables XTC.',
+  xtc_threshold:
+    'XTC sampler cuts out top tokens; this parameter controls the token probability that is required to cut that token.',
+  typical_p:
+    'Sorts and limits tokens based on the difference between log-probability and entropy.',
+  repeat_last_n: 'Last n tokens to consider for penalizing repetition',
+  repeat_penalty:
+    'Controls the repetition of token sequences in the generated text',
+  presence_penalty:
+    'Limits tokens based on whether they appear in the output or not.',
+  frequency_penalty:
+    'Limits tokens based on how often they appear in the output.',
+  dry_multiplier:
+    'DRY sampling reduces repetition in generated text even across long contexts. This parameter sets the DRY sampling multiplier.',
+  dry_base:
+    'DRY sampling reduces repetition in generated text even across long contexts. This parameter sets the DRY sampling base value.',
+  dry_allowed_length:
+    'DRY sampling reduces repetition in generated text even across long contexts. This parameter sets the allowed length for DRY sampling.',
+  dry_penalty_last_n:
+    'DRY sampling reduces repetition in generated text even across long contexts. This parameter sets DRY penalty for the last n tokens.',
+  max_tokens: 'The maximum number of token per output.',
+  custom: '', // custom json-stringified object
+};
+// config keys having numeric value (i.e. temperature, top_k, top_p, etc)
+export const CONFIG_NUMERIC_KEYS = Object.entries(CONFIG_DEFAULT)
+  .filter((e) => isNumeric(e[1]))
+  .map((e) => e[0]);
+// list of themes supported by daisyui
+export const THEMES = ['light', 'dark']
+  // make sure light & dark are always at the beginning
+  .concat(
+    Object.keys(daisyuiThemes).filter((t) => t !== 'light' && t !== 'dark')
+  );
--- a/examples/server/webui/src/components/CanvasPyInterpreter.tsx
+++ b/examples/server/webui/src/components/CanvasPyInterpreter.tsx
@ -0,0 +1,195 @@
+import { useEffect, useState } from 'react';
+import { useAppContext } from '../utils/app.context';
+import { OpenInNewTab, XCloseButton } from '../utils/common';
+import { CanvasType } from '../utils/types';
+import { PlayIcon, StopIcon } from '@heroicons/react/24/outline';
+import StorageUtils from '../utils/storage';
+
+const canInterrupt = typeof SharedArrayBuffer === 'function';
+
+// adapted from https://pyodide.org/en/stable/usage/webworker.html
+const WORKER_CODE = `
+importScripts("https://cdn.jsdelivr.net/pyodide/v0.27.2/full/pyodide.js");
+
+let stdOutAndErr = [];
+
+let pyodideReadyPromise = loadPyodide({
+  stdout: (data) => stdOutAndErr.push(data),
+  stderr: (data) => stdOutAndErr.push(data),
+});
+
+let alreadySetBuff = false;
+
+self.onmessage = async (event) => {
+  stdOutAndErr = [];
+
+  // make sure loading is done
+  const pyodide = await pyodideReadyPromise;
+  const { id, python, context, interruptBuffer } = event.data;
+
+  if (interruptBuffer && !alreadySetBuff) {
+    pyodide.setInterruptBuffer(interruptBuffer);
+    alreadySetBuff = true;
+  }
+
+  // Now load any packages we need, run the code, and send the result back.
+  await pyodide.loadPackagesFromImports(python);
+
+  // make a Python dictionary with the data from content
+  const dict = pyodide.globals.get("dict");
+  const globals = dict(Object.entries(context));
+  try {
+    self.postMessage({ id, running: true });
+    // Execute the python code in this context
+    const result = pyodide.runPython(python, { globals });
+    self.postMessage({ result, id, stdOutAndErr });
+  } catch (error) {
+    self.postMessage({ error: error.message, id });
+  }
+  interruptBuffer[0] = 0;
+};
+`;
+
+let worker: Worker;
+const interruptBuffer = canInterrupt
+  ? new Uint8Array(new SharedArrayBuffer(1))
+  : null;
+
+const startWorker = () => {
+  if (!worker) {
+    worker = new Worker(
+      URL.createObjectURL(new Blob([WORKER_CODE], { type: 'text/javascript' }))
+    );
+  }
+};
+
+if (StorageUtils.getConfig().pyIntepreterEnabled) {
+  startWorker();
+}
+
+const runCodeInWorker = (
+  pyCode: string,
+  callbackRunning: () => void
+): {
+  donePromise: Promise<string>;
+  interrupt: () => void;
+} => {
+  startWorker();
+  const id = Math.random() * 1e8;
+  const context = {};
+  if (interruptBuffer) {
+    interruptBuffer[0] = 0;
+  }
+
+  const donePromise = new Promise<string>((resolve) => {
+    worker.onmessage = (event) => {
+      const { error, stdOutAndErr, running } = event.data;
+      if (id !== event.data.id) return;
+      if (running) {
+        callbackRunning();
+        return;
+      } else if (error) {
+        resolve(error.toString());
+      } else {
+        resolve(stdOutAndErr.join('\n'));
+      }
+    };
+    worker.postMessage({ id, python: pyCode, context, interruptBuffer });
+  });
+
+  const interrupt = () => {
+    console.log('Interrupting...');
+    console.trace();
+    if (interruptBuffer) {
+      interruptBuffer[0] = 2;
+    }
+  };
+
+  return { donePromise, interrupt };
+};
+
+export default function CanvasPyInterpreter() {
+  const { canvasData, setCanvasData } = useAppContext();
+
+  const [code, setCode] = useState(canvasData?.content ?? ''); // copy to avoid direct mutation
+  const [running, setRunning] = useState(false);
+  const [output, setOutput] = useState('');
+  const [interruptFn, setInterruptFn] = useState<() => void>();
+  const [showStopBtn, setShowStopBtn] = useState(false);
+
+  const runCode = async (pycode: string) => {
+    interruptFn?.();
+    setRunning(true);
+    setOutput('Loading Pyodide...');
+    const { donePromise, interrupt } = runCodeInWorker(pycode, () => {
+      setOutput('Running...');
+      setShowStopBtn(canInterrupt);
+    });
+    setInterruptFn(() => interrupt);
+    const out = await donePromise;
+    setOutput(out);
+    setRunning(false);
+    setShowStopBtn(false);
+  };
+
+  // run code on mount
+  useEffect(() => {
+    setCode(canvasData?.content ?? '');
+    runCode(canvasData?.content ?? '');
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [canvasData?.content]);
+
+  if (canvasData?.type !== CanvasType.PY_INTERPRETER) {
+    return null;
+  }
+
+  return (
+    <div className="card bg-base-200 w-full h-full shadow-xl">
+      <div className="card-body">
+        <div className="flex justify-between items-center mb-4">
+          <span className="text-lg font-bold">Python Interpreter</span>
+          <XCloseButton
+            className="bg-base-100"
+            onClick={() => setCanvasData(null)}
+          />
+        </div>
+        <div className="grid grid-rows-3 gap-4 h-full">
+          <textarea
+            className="textarea textarea-bordered w-full h-full font-mono"
+            value={code}
+            onChange={(e) => setCode(e.target.value)}
+          ></textarea>
+          <div className="font-mono flex flex-col row-span-2">
+            <div className="flex items-center mb-2">
+              <button
+                className="btn btn-sm bg-base-100"
+                onClick={() => runCode(code)}
+                disabled={running}
+              >
+                <PlayIcon className="h-6 w-6" /> Run
+              </button>
+              {showStopBtn && (
+                <button
+                  className="btn btn-sm bg-base-100 ml-2"
+                  onClick={() => interruptFn?.()}
+                >
+                  <StopIcon className="h-6 w-6" /> Stop
+                </button>
+              )}
+              <span className="grow text-right text-xs">
+                <OpenInNewTab href="https://github.com/ggerganov/llama.cpp/issues/11762">
+                  Report a bug
+                </OpenInNewTab>
+              </span>
+            </div>
+            <textarea
+              className="textarea textarea-bordered h-full dark-color"
+              value={output}
+              readOnly
+            ></textarea>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+}
--- a/examples/server/webui/src/components/ChatMessage.tsx
+++ b/examples/server/webui/src/components/ChatMessage.tsx
@ -0,0 +1,235 @@
+import { useMemo, useState } from 'react';
+import { useAppContext } from '../utils/app.context';
+import { Message, PendingMessage } from '../utils/types';
+import { classNames } from '../utils/misc';
+import MarkdownDisplay, { CopyButton } from './MarkdownDisplay';
+
+interface SplitMessage {
+  content: PendingMessage['content'];
+  thought?: string;
+  isThinking?: boolean;
+}
+
+export default function ChatMessage({
+  msg,
+  id,
+  scrollToBottom,
+  isPending,
+}: {
+  msg: Message | PendingMessage;
+  id?: string;
+  scrollToBottom: (requiresNearBottom: boolean) => void;
+  isPending?: boolean;
+}) {
+  const { viewingConversation, replaceMessageAndGenerate, config } =
+    useAppContext();
+  const [editingContent, setEditingContent] = useState<string | null>(null);
+  const timings = useMemo(
+    () =>
+      msg.timings
+        ? {
+            ...msg.timings,
+            prompt_per_second:
+              (msg.timings.prompt_n / msg.timings.prompt_ms) * 1000,
+            predicted_per_second:
+              (msg.timings.predicted_n / msg.timings.predicted_ms) * 1000,
+          }
+        : null,
+    [msg.timings]
+  );
+
+  // for reasoning model, we split the message into content and thought
+  // TODO: implement this as remark/rehype plugin in the future
+  const { content, thought, isThinking }: SplitMessage = useMemo(() => {
+    if (msg.content === null || msg.role !== 'assistant') {
+      return { content: msg.content };
+    }
+    let actualContent = '';
+    let thought = '';
+    let isThinking = false;
+    let thinkSplit = msg.content.split('<think>', 2);
+    actualContent += thinkSplit[0];
+    while (thinkSplit[1] !== undefined) {
+      // <think> tag found
+      thinkSplit = thinkSplit[1].split('</think>', 2);
+      thought += thinkSplit[0];
+      isThinking = true;
+      if (thinkSplit[1] !== undefined) {
+        // </think> closing tag found
+        isThinking = false;
+        thinkSplit = thinkSplit[1].split('<think>', 2);
+        actualContent += thinkSplit[0];
+      }
+    }
+    return { content: actualContent, thought, isThinking };
+  }, [msg]);
+
+  if (!viewingConversation) return null;
+
+  const regenerate = async () => {
+    replaceMessageAndGenerate(viewingConversation.id, msg.id, undefined, () =>
+      scrollToBottom(true)
+    );
+  };
+
+  return (
+    <div className="group" id={id}>
+      <div
+        className={classNames({
+          chat: true,
+          'chat-start': msg.role !== 'user',
+          'chat-end': msg.role === 'user',
+        })}
+      >
+        <div
+          className={classNames({
+            'chat-bubble markdown': true,
+            'chat-bubble-base-300': msg.role !== 'user',
+          })}
+        >
+          {/* textarea for editing message */}
+          {editingContent !== null && (
+            <>
+              <textarea
+                dir="auto"
+                className="textarea textarea-bordered bg-base-100 text-base-content max-w-2xl w-[calc(90vw-8em)] h-24"
+                value={editingContent}
+                onChange={(e) => setEditingContent(e.target.value)}
+              ></textarea>
+              <br />
+              <button
+                className="btn btn-ghost mt-2 mr-2"
+                onClick={() => setEditingContent(null)}
+              >
+                Cancel
+              </button>
+              <button
+                className="btn mt-2"
+                onClick={() =>
+                  replaceMessageAndGenerate(
+                    viewingConversation.id,
+                    msg.id,
+                    editingContent
+                  )
+                }
+              >
+                Submit
+              </button>
+            </>
+          )}
+          {/* not editing content, render message */}
+          {editingContent === null && (
+            <>
+              {content === null ? (
+                <>
+                  {/* show loading dots for pending message */}
+                  <span className="loading loading-dots loading-md"></span>
+                </>
+              ) : (
+                <>
+                  {/* render message as markdown */}
+                  <div dir="auto">
+                    {thought && (
+                      <details
+                        className="collapse bg-base-200 collapse-arrow mb-4"
+                        open={isThinking && config.showThoughtInProgress}
+                      >
+                        <summary className="collapse-title">
+                          {isPending && isThinking ? (
+                            <span>
+                              <span
+                                v-if="isGenerating"
+                                className="loading loading-spinner loading-md mr-2"
+                                style={{ verticalAlign: 'middle' }}
+                              ></span>
+                              <b>Thinking</b>
+                            </span>
+                          ) : (
+                            <b>Thought Process</b>
+                          )}
+                        </summary>
+                        <div className="collapse-content">
+                          <MarkdownDisplay
+                            content={thought}
+                            isGenerating={isPending}
+                          />
+                        </div>
+                      </details>
+                    )}
+                    <MarkdownDisplay
+                      content={content}
+                      isGenerating={isPending}
+                    />
+                  </div>
+                </>
+              )}
+              {/* render timings if enabled */}
+              {timings && config.showTokensPerSecond && (
+                <div className="dropdown dropdown-hover dropdown-top mt-2">
+                  <div
+                    tabIndex={0}
+                    role="button"
+                    className="cursor-pointer font-semibold text-sm opacity-60"
+                  >
+                    Speed: {timings.predicted_per_second.toFixed(1)} t/s
+                  </div>
+                  <div className="dropdown-content bg-base-100 z-10 w-64 p-2 shadow mt-4">
+                    <b>Prompt</b>
+                    <br />- Tokens: {timings.prompt_n}
+                    <br />- Time: {timings.prompt_ms} ms
+                    <br />- Speed: {timings.prompt_per_second.toFixed(1)} t/s
+                    <br />
+                    <b>Generation</b>
+                    <br />- Tokens: {timings.predicted_n}
+                    <br />- Time: {timings.predicted_ms} ms
+                    <br />- Speed: {timings.predicted_per_second.toFixed(1)} t/s
+                    <br />
+                  </div>
+                </div>
+              )}
+            </>
+          )}
+        </div>
+      </div>
+
+      {/* actions for each message */}
+      {msg.content !== null && (
+        <div
+          className={classNames({
+            'mx-4 mt-2 mb-2': true,
+            'text-right': msg.role === 'user',
+          })}
+        >
+          {/* user message */}
+          {msg.role === 'user' && (
+            <button
+              className="badge btn-mini show-on-hover"
+              onClick={() => setEditingContent(msg.content)}
+              disabled={msg.content === null}
+            >
+              ✍️ Edit
+            </button>
+          )}
+          {/* assistant message */}
+          {msg.role === 'assistant' && (
+            <>
+              {!isPending && (
+                <button
+                  className="badge btn-mini show-on-hover mr-2"
+                  onClick={regenerate}
+                  disabled={msg.content === null}
+                >
+                  🔄 Regenerate
+                </button>
+              )}
+              <CopyButton
+                className="badge btn-mini show-on-hover mr-2"
+                content={msg.content}
+              />
+            </>
+          )}
+        </div>
+      )}
+    </div>
+  );
+}
--- a/examples/server/webui/src/components/ChatScreen.tsx
+++ b/examples/server/webui/src/components/ChatScreen.tsx
@ -0,0 +1,146 @@
+import { useEffect, useState } from 'react';
+import { useAppContext } from '../utils/app.context';
+import StorageUtils from '../utils/storage';
+import { useNavigate } from 'react-router';
+import ChatMessage from './ChatMessage';
+import { CanvasType, PendingMessage } from '../utils/types';
+import { classNames } from '../utils/misc';
+import CanvasPyInterpreter from './CanvasPyInterpreter';
+
+export default function ChatScreen() {
+  const {
+    viewingConversation,
+    sendMessage,
+    isGenerating,
+    stopGenerating,
+    pendingMessages,
+    canvasData,
+  } = useAppContext();
+  const [inputMsg, setInputMsg] = useState('');
+  const navigate = useNavigate();
+
+  const currConvId = viewingConversation?.id ?? '';
+  const pendingMsg: PendingMessage | undefined = pendingMessages[currConvId];
+
+  const scrollToBottom = (requiresNearBottom: boolean) => {
+    const mainScrollElem = document.getElementById('main-scroll');
+    if (!mainScrollElem) return;
+    const spaceToBottom =
+      mainScrollElem.scrollHeight -
+      mainScrollElem.scrollTop -
+      mainScrollElem.clientHeight;
+    if (!requiresNearBottom || spaceToBottom < 50) {
+      setTimeout(
+        () => mainScrollElem.scrollTo({ top: mainScrollElem.scrollHeight }),
+        1
+      );
+    }
+  };
+
+  // scroll to bottom when conversation changes
+  useEffect(() => {
+    scrollToBottom(false);
+  }, [viewingConversation?.id]);
+
+  const sendNewMessage = async () => {
+    if (inputMsg.trim().length === 0 || isGenerating(currConvId)) return;
+    const convId = viewingConversation?.id ?? StorageUtils.getNewConvId();
+    const lastInpMsg = inputMsg;
+    setInputMsg('');
+    if (!viewingConversation) {
+      // if user is creating a new conversation, redirect to the new conversation
+      navigate(`/chat/${convId}`);
+    }
+    scrollToBottom(false);
+    // auto scroll as message is being generated
+    const onChunk = () => scrollToBottom(true);
+    if (!(await sendMessage(convId, inputMsg, onChunk))) {
+      // restore the input message if failed
+      setInputMsg(lastInpMsg);
+    }
+  };
+
+  const hasCanvas = !!canvasData;
+
+  return (
+    <div
+      className={classNames({
+        'grid lg:gap-8 grow transition-[300ms]': true,
+        'grid-cols-[1fr_0fr] lg:grid-cols-[1fr_1fr]': hasCanvas, // adapted for mobile
+        'grid-cols-[1fr_0fr]': !hasCanvas,
+      })}
+    >
+      <div
+        className={classNames({
+          'flex flex-col w-full max-w-[900px] mx-auto': true,
+          'hidden lg:flex': hasCanvas, // adapted for mobile
+          flex: !hasCanvas,
+        })}
+      >
+        {/* chat messages */}
+        <div id="messages-list" className="grow">
+          <div className="mt-auto flex justify-center">
+            {/* placeholder to shift the message to the bottom */}
+            {viewingConversation ? '' : 'Send a message to start'}
+          </div>
+          {viewingConversation?.messages.map((msg) => (
+            <ChatMessage
+              key={msg.id}
+              msg={msg}
+              scrollToBottom={scrollToBottom}
+            />
+          ))}
+
+          {pendingMsg && (
+            <ChatMessage
+              msg={pendingMsg}
+              scrollToBottom={scrollToBottom}
+              isPending
+              id="pending-msg"
+            />
+          )}
+        </div>
+
+        {/* chat input */}
+        <div className="flex flex-row items-center pt-8 pb-6 sticky bottom-0 bg-base-100">
+          <textarea
+            className="textarea textarea-bordered w-full"
+            placeholder="Type a message (Shift+Enter to add a new line)"
+            value={inputMsg}
+            onChange={(e) => setInputMsg(e.target.value)}
+            onKeyDown={(e) => {
+              if (e.key === 'Enter' && e.shiftKey) return;
+              if (e.key === 'Enter' && !e.shiftKey) {
+                e.preventDefault();
+                sendNewMessage();
+              }
+            }}
+            id="msg-input"
+            dir="auto"
+          ></textarea>
+          {isGenerating(currConvId) ? (
+            <button
+              className="btn btn-neutral ml-2"
+              onClick={() => stopGenerating(currConvId)}
+            >
+              Stop
+            </button>
+          ) : (
+            <button
+              className="btn btn-primary ml-2"
+              onClick={sendNewMessage}
+              disabled={inputMsg.trim().length === 0}
+            >
+              Send
+            </button>
+          )}
+        </div>
+      </div>
+      <div className="w-full sticky top-[7em] h-[calc(100vh-9em)]">
+        {canvasData?.type === CanvasType.PY_INTERPRETER && (
+          <CanvasPyInterpreter />
+        )}
+      </div>
+    </div>
+  );
+}
--- a/examples/server/webui/src/components/Header.tsx
+++ b/examples/server/webui/src/components/Header.tsx
@ -0,0 +1,176 @@
+import { useEffect, useState } from 'react';
+import StorageUtils from '../utils/storage';
+import { useAppContext } from '../utils/app.context';
+import { classNames } from '../utils/misc';
+import daisyuiThemes from 'daisyui/src/theming/themes';
+import { THEMES } from '../Config';
+import { useNavigate } from 'react-router';
+
+export default function Header() {
+  const navigate = useNavigate();
+  const [selectedTheme, setSelectedTheme] = useState(StorageUtils.getTheme());
+  const { setShowSettings } = useAppContext();
+
+  const setTheme = (theme: string) => {
+    StorageUtils.setTheme(theme);
+    setSelectedTheme(theme);
+  };
+
+  useEffect(() => {
+    document.body.setAttribute('data-theme', selectedTheme);
+    document.body.setAttribute(
+      'data-color-scheme',
+      // @ts-expect-error daisyuiThemes complains about index type, but it should work
+      daisyuiThemes[selectedTheme]?.['color-scheme'] ?? 'auto'
+    );
+  }, [selectedTheme]);
+
+  const { isGenerating, viewingConversation } = useAppContext();
+  const isCurrConvGenerating = isGenerating(viewingConversation?.id ?? '');
+
+  const removeConversation = () => {
+    if (isCurrConvGenerating || !viewingConversation) return;
+    const convId = viewingConversation.id;
+    if (window.confirm('Are you sure to delete this conversation?')) {
+      StorageUtils.remove(convId);
+      navigate('/');
+    }
+  };
+
+  const downloadConversation = () => {
+    if (isCurrConvGenerating || !viewingConversation) return;
+    const convId = viewingConversation.id;
+    const conversationJson = JSON.stringify(viewingConversation, null, 2);
+    const blob = new Blob([conversationJson], { type: 'application/json' });
+    const url = URL.createObjectURL(blob);
+    const a = document.createElement('a');
+    a.href = url;
+    a.download = `conversation_${convId}.json`;
+    document.body.appendChild(a);
+    a.click();
+    document.body.removeChild(a);
+    URL.revokeObjectURL(url);
+  };
+
+  return (
+    <div className="flex flex-row items-center pt-6 pb-6 sticky top-0 z-10 bg-base-100">
+      {/* open sidebar button */}
+      <label htmlFor="toggle-drawer" className="btn btn-ghost lg:hidden">
+        <svg
+          xmlns="http://www.w3.org/2000/svg"
+          width="16"
+          height="16"
+          fill="currentColor"
+          className="bi bi-list"
+          viewBox="0 0 16 16"
+        >
+          <path
+            fillRule="evenodd"
+            d="M2.5 12a.5.5 0 0 1 .5-.5h10a.5.5 0 0 1 0 1H3a.5.5 0 0 1-.5-.5m0-4a.5.5 0 0 1 .5-.5h10a.5.5 0 0 1 0 1H3a.5.5 0 0 1-.5-.5m0-4a.5.5 0 0 1 .5-.5h10a.5.5 0 0 1 0 1H3a.5.5 0 0 1-.5-.5"
+          />
+        </svg>
+      </label>
+
+      <div className="grow text-2xl font-bold ml-2">llama.cpp</div>
+
+      {/* action buttons (top right) */}
+      <div className="flex items-center">
+        <div v-if="messages.length > 0" className="dropdown dropdown-end">
+          {/* "..." button */}
+          <button
+            tabIndex={0}
+            role="button"
+            className="btn m-1"
+            disabled={isCurrConvGenerating}
+          >
+            <svg
+              xmlns="http://www.w3.org/2000/svg"
+              width="16"
+              height="16"
+              fill="currentColor"
+              className="bi bi-three-dots-vertical"
+              viewBox="0 0 16 16"
+            >
+              <path d="M9.5 13a1.5 1.5 0 1 1-3 0 1.5 1.5 0 0 1 3 0m0-5a1.5 1.5 0 1 1-3 0 1.5 1.5 0 0 1 3 0m0-5a1.5 1.5 0 1 1-3 0 1.5 1.5 0 0 1 3 0" />
+            </svg>
+          </button>
+          {/* dropdown menu */}
+          <ul
+            tabIndex={0}
+            className="dropdown-content menu bg-base-100 rounded-box z-[1] w-52 p-2 shadow"
+          >
+            <li onClick={downloadConversation}>
+              <a>Download</a>
+            </li>
+            <li className="text-error" onClick={removeConversation}>
+              <a>Delete</a>
+            </li>
+          </ul>
+        </div>
+        <div className="tooltip tooltip-bottom" data-tip="Settings">
+          <button className="btn" onClick={() => setShowSettings(true)}>
+            {/* settings button */}
+            <svg
+              xmlns="http://www.w3.org/2000/svg"
+              width="16"
+              height="16"
+              fill="currentColor"
+              className="bi bi-gear"
+              viewBox="0 0 16 16"
+            >
+              <path d="M8 4.754a3.246 3.246 0 1 0 0 6.492 3.246 3.246 0 0 0 0-6.492M5.754 8a2.246 2.246 0 1 1 4.492 0 2.246 2.246 0 0 1-4.492 0" />
+              <path d="M9.796 1.343c-.527-1.79-3.065-1.79-3.592 0l-.094.319a.873.873 0 0 1-1.255.52l-.292-.16c-1.64-.892-3.433.902-2.54 2.541l.159.292a.873.873 0 0 1-.52 1.255l-.319.094c-1.79.527-1.79 3.065 0 3.592l.319.094a.873.873 0 0 1 .52 1.255l-.16.292c-.892 1.64.901 3.434 2.541 2.54l.292-.159a.873.873 0 0 1 1.255.52l.094.319c.527 1.79 3.065 1.79 3.592 0l.094-.319a.873.873 0 0 1 1.255-.52l.292.16c1.64.893 3.434-.902 2.54-2.541l-.159-.292a.873.873 0 0 1 .52-1.255l.319-.094c1.79-.527 1.79-3.065 0-3.592l-.319-.094a.873.873 0 0 1-.52-1.255l.16-.292c.893-1.64-.902-3.433-2.541-2.54l-.292.159a.873.873 0 0 1-1.255-.52zm-2.633.283c.246-.835 1.428-.835 1.674 0l.094.319a1.873 1.873 0 0 0 2.693 1.115l.291-.16c.764-.415 1.6.42 1.184 1.185l-.159.292a1.873 1.873 0 0 0 1.116 2.692l.318.094c.835.246.835 1.428 0 1.674l-.319.094a1.873 1.873 0 0 0-1.115 2.693l.16.291c.415.764-.42 1.6-1.185 1.184l-.291-.159a1.873 1.873 0 0 0-2.693 1.116l-.094.318c-.246.835-1.428.835-1.674 0l-.094-.319a1.873 1.873 0 0 0-2.692-1.115l-.292.16c-.764.415-1.6-.42-1.184-1.185l.159-.291A1.873 1.873 0 0 0 1.945 8.93l-.319-.094c-.835-.246-.835-1.428 0-1.674l.319-.094A1.873 1.873 0 0 0 3.06 4.377l-.16-.292c-.415-.764.42-1.6 1.185-1.184l.292.159a1.873 1.873 0 0 0 2.692-1.115z" />
+            </svg>
+          </button>
+        </div>
+
+        {/* theme controller is copied from https://daisyui.com/components/theme-controller/ */}
+        <div className="tooltip tooltip-bottom" data-tip="Themes">
+          <div className="dropdown dropdown-end dropdown-bottom">
+            <div tabIndex={0} role="button" className="btn m-1">
+              <svg
+                xmlns="http://www.w3.org/2000/svg"
+                width="16"
+                height="16"
+                fill="currentColor"
+                className="bi bi-palette2"
+                viewBox="0 0 16 16"
+              >
+                <path d="M0 .5A.5.5 0 0 1 .5 0h5a.5.5 0 0 1 .5.5v5.277l4.147-4.131a.5.5 0 0 1 .707 0l3.535 3.536a.5.5 0 0 1 0 .708L10.261 10H15.5a.5.5 0 0 1 .5.5v5a.5.5 0 0 1-.5.5H3a3 3 0 0 1-2.121-.879A3 3 0 0 1 0 13.044m6-.21 7.328-7.3-2.829-2.828L6 7.188zM4.5 13a1.5 1.5 0 1 0-3 0 1.5 1.5 0 0 0 3 0M15 15v-4H9.258l-4.015 4zM0 .5v12.495zm0 12.495V13z" />
+              </svg>
+            </div>
+            <ul
+              tabIndex={0}
+              className="dropdown-content bg-base-300 rounded-box z-[1] w-52 p-2 shadow-2xl h-80 overflow-y-auto"
+            >
+              <li>
+                <button
+                  className={classNames({
+                    'btn btn-sm btn-block btn-ghost justify-start': true,
+                    'btn-active': selectedTheme === 'auto',
+                  })}
+                  onClick={() => setTheme('auto')}
+                >
+                  auto
+                </button>
+              </li>
+              {THEMES.map((theme) => (
+                <li key={theme}>
+                  <input
+                    type="radio"
+                    name="theme-dropdown"
+                    className="theme-controller btn btn-sm btn-block btn-ghost justify-start"
+                    aria-label={theme}
+                    value={theme}
+                    checked={selectedTheme === theme}
+                    onChange={(e) => e.target.checked && setTheme(theme)}
+                  />
+                </li>
+              ))}
+            </ul>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+}
--- a/examples/server/webui/src/components/MarkdownDisplay.tsx
+++ b/examples/server/webui/src/components/MarkdownDisplay.tsx
@ -0,0 +1,310 @@
+import React, { useMemo, useState } from 'react';
+import Markdown, { ExtraProps } from 'react-markdown';
+import remarkGfm from 'remark-gfm';
+import rehypeHightlight from 'rehype-highlight';
+import rehypeKatex from 'rehype-katex';
+import remarkMath from 'remark-math';
+import remarkBreaks from 'remark-breaks';
+import 'katex/dist/katex.min.css';
+import { classNames, copyStr } from '../utils/misc';
+import { ElementContent, Root } from 'hast';
+import { visit } from 'unist-util-visit';
+import { useAppContext } from '../utils/app.context';
+import { CanvasType } from '../utils/types';
+
+export default function MarkdownDisplay({
+  content,
+  isGenerating,
+}: {
+  content: string;
+  isGenerating?: boolean;
+}) {
+  const preprocessedContent = useMemo(
+    () => preprocessLaTeX(content),
+    [content]
+  );
+  return (
+    <Markdown
+      remarkPlugins={[remarkGfm, remarkMath, remarkBreaks]}
+      rehypePlugins={[rehypeHightlight, rehypeKatex, rehypeCustomCopyButton]}
+      components={{
+        button: (props) => (
+          <CodeBlockButtons
+            {...props}
+            isGenerating={isGenerating}
+            origContent={preprocessedContent}
+          />
+        ),
+        // note: do not use "pre", "p" or other basic html elements here, it will cause the node to re-render when the message is being generated (this should be a bug with react-markdown, not sure how to fix it)
+      }}
+    >
+      {preprocessedContent}
+    </Markdown>
+  );
+}
+
+const CodeBlockButtons: React.ElementType<
+  React.ClassAttributes<HTMLButtonElement> &
+    React.HTMLAttributes<HTMLButtonElement> &
+    ExtraProps & { origContent: string; isGenerating?: boolean }
+> = ({ node, origContent, isGenerating }) => {
+  const { config } = useAppContext();
+  const startOffset = node?.position?.start.offset ?? 0;
+  const endOffset = node?.position?.end.offset ?? 0;
+
+  const copiedContent = useMemo(
+    () =>
+      origContent
+        .substring(startOffset, endOffset)
+        .replace(/^```[^\n]+\n/g, '')
+        .replace(/```$/g, ''),
+    [origContent, startOffset, endOffset]
+  );
+
+  const codeLanguage = useMemo(
+    () =>
+      origContent
+        .substring(startOffset, startOffset + 10)
+        .match(/^```([^\n]+)\n/)?.[1] ?? '',
+    [origContent, startOffset]
+  );
+
+  const canRunCode =
+    !isGenerating &&
+    config.pyIntepreterEnabled &&
+    codeLanguage.startsWith('py');
+
+  return (
+    <div
+      className={classNames({
+        'text-right sticky top-[7em] mb-2 mr-2 h-0': true,
+        'display-none': !node?.position,
+      })}
+    >
+      <CopyButton className="badge btn-mini" content={copiedContent} />
+      {canRunCode && (
+        <RunPyCodeButton
+          className="badge btn-mini ml-2"
+          content={copiedContent}
+        />
+      )}
+    </div>
+  );
+};
+
+export const CopyButton = ({
+  content,
+  className,
+}: {
+  content: string;
+  className?: string;
+}) => {
+  const [copied, setCopied] = useState(false);
+  return (
+    <button
+      className={className}
+      onClick={() => {
+        copyStr(content);
+        setCopied(true);
+      }}
+      onMouseLeave={() => setCopied(false)}
+    >
+      {copied ? 'Copied!' : '📋 Copy'}
+    </button>
+  );
+};
+
+export const RunPyCodeButton = ({
+  content,
+  className,
+}: {
+  content: string;
+  className?: string;
+}) => {
+  const { setCanvasData } = useAppContext();
+  return (
+    <>
+      <button
+        className={className}
+        onClick={() =>
+          setCanvasData({
+            type: CanvasType.PY_INTERPRETER,
+            content,
+          })
+        }
+      >
+        ▶️ Run
+      </button>
+    </>
+  );
+};
+
+/**
+ * This injects the "button" element before each "pre" element.
+ * The actual button will be replaced with a react component in the MarkdownDisplay.
+ * We don't replace "pre" node directly because it will cause the node to re-render, which causes this bug: https://github.com/ggerganov/llama.cpp/issues/9608
+ */
+function rehypeCustomCopyButton() {
+  return function (tree: Root) {
+    visit(tree, 'element', function (node) {
+      if (node.tagName === 'pre' && !node.properties.visited) {
+        const preNode = { ...node };
+        // replace current node
+        preNode.properties.visited = 'true';
+        node.tagName = 'div';
+        node.properties = {};
+        // add node for button
+        const btnNode: ElementContent = {
+          type: 'element',
+          tagName: 'button',
+          properties: {},
+          children: [],
+          position: node.position,
+        };
+        node.children = [btnNode, preNode];
+      }
+    });
+  };
+}
+
+/**
+ * The part below is copied and adapted from:
+ * https://github.com/danny-avila/LibreChat/blob/main/client/src/utils/latex.ts
+ * (MIT License)
+ */
+
+// Regex to check if the processed content contains any potential LaTeX patterns
+const containsLatexRegex =
+  /\\\(.*?\\\)|\\\[.*?\\\]|\$.*?\$|\\begin\{equation\}.*?\\end\{equation\}/;
+
+// Regex for inline and block LaTeX expressions
+const inlineLatex = new RegExp(/\\\((.+?)\\\)/, 'g');
+const blockLatex = new RegExp(/\\\[(.*?[^\\])\\\]/, 'gs');
+
+// Function to restore code blocks
+const restoreCodeBlocks = (content: string, codeBlocks: string[]) => {
+  return content.replace(
+    /<<CODE_BLOCK_(\d+)>>/g,
+    (_, index) => codeBlocks[index]
+  );
+};
+
+// Regex to identify code blocks and inline code
+const codeBlockRegex = /(```[\s\S]*?```|`.*?`)/g;
+
+export const processLaTeX = (_content: string) => {
+  let content = _content;
+  // Temporarily replace code blocks and inline code with placeholders
+  const codeBlocks: string[] = [];
+  let index = 0;
+  content = content.replace(codeBlockRegex, (match) => {
+    codeBlocks[index] = match;
+    return `<<CODE_BLOCK_${index++}>>`;
+  });
+
+  // Escape dollar signs followed by a digit or space and digit
+  let processedContent = content.replace(/(\$)(?=\s?\d)/g, '\\$');
+
+  // If no LaTeX patterns are found, restore code blocks and return the processed content
+  if (!containsLatexRegex.test(processedContent)) {
+    return restoreCodeBlocks(processedContent, codeBlocks);
+  }
+
+  // Convert LaTeX expressions to a markdown compatible format
+  processedContent = processedContent
+    .replace(inlineLatex, (_: string, equation: string) => `$${equation}$`) // Convert inline LaTeX
+    .replace(blockLatex, (_: string, equation: string) => `$$${equation}$$`); // Convert block LaTeX
+
+  // Restore code blocks
+  return restoreCodeBlocks(processedContent, codeBlocks);
+};
+
+/**
+ * Preprocesses LaTeX content by replacing delimiters and escaping certain characters.
+ *
+ * @param content The input string containing LaTeX expressions.
+ * @returns The processed string with replaced delimiters and escaped characters.
+ */
+export function preprocessLaTeX(content: string): string {
+  // Step 1: Protect code blocks
+  const codeBlocks: string[] = [];
+  content = content.replace(/(```[\s\S]*?```|`[^`\n]+`)/g, (_, code) => {
+    codeBlocks.push(code);
+    return `<<CODE_BLOCK_${codeBlocks.length - 1}>>`;
+  });
+
+  // Step 2: Protect existing LaTeX expressions
+  const latexExpressions: string[] = [];
+
+  // Protect block math ($$...$$), \[...\], and \(...\) as before.
+  content = content.replace(
+    /(\$\$[\s\S]*?\$\$|\\\[[\s\S]*?\\\]|\\\(.*?\\\))/g,
+    (match) => {
+      latexExpressions.push(match);
+      return `<<LATEX_${latexExpressions.length - 1}>>`;
+    }
+  );
+
+  // Protect inline math ($...$) only if it does NOT match a currency pattern.
+  // We assume a currency pattern is one where the inner content is purely numeric (with optional decimals).
+  content = content.replace(/\$([^$]+)\$/g, (match, inner) => {
+    if (/^\s*\d+(?:\.\d+)?\s*$/.test(inner)) {
+      // This looks like a currency value (e.g. "$123" or "$12.34"),
+      // so don't protect it.
+      return match;
+    } else {
+      // Otherwise, treat it as a LaTeX expression.
+      latexExpressions.push(match);
+      return `<<LATEX_${latexExpressions.length - 1}>>`;
+    }
+  });
+
+  // Step 3: Escape dollar signs that are likely currency indicators.
+  // (Now that inline math is protected, this will only escape dollars not already protected)
+  content = content.replace(/\$(?=\d)/g, '\\$');
+
+  // Step 4: Restore LaTeX expressions
+  content = content.replace(
+    /<<LATEX_(\d+)>>/g,
+    (_, index) => latexExpressions[parseInt(index)]
+  );
+
+  // Step 5: Restore code blocks
+  content = content.replace(
+    /<<CODE_BLOCK_(\d+)>>/g,
+    (_, index) => codeBlocks[parseInt(index)]
+  );
+
+  // Step 6: Apply additional escaping functions
+  content = escapeBrackets(content);
+  content = escapeMhchem(content);
+
+  return content;
+}
+
+export function escapeBrackets(text: string): string {
+  const pattern =
+    /(```[\S\s]*?```|`.*?`)|\\\[([\S\s]*?[^\\])\\]|\\\((.*?)\\\)/g;
+  return text.replace(
+    pattern,
+    (
+      match: string,
+      codeBlock: string | undefined,
+      squareBracket: string | undefined,
+      roundBracket: string | undefined
+    ): string => {
+      if (codeBlock != null) {
+        return codeBlock;
+      } else if (squareBracket != null) {
+        return `$$${squareBracket}$$`;
+      } else if (roundBracket != null) {
+        return `$${roundBracket}$`;
+      }
+      return match;
+    }
+  );
+}
+
+export function escapeMhchem(text: string) {
+  return text.replaceAll('$\\ce{', '$\\\\ce{').replaceAll('$\\pu{', '$\\\\pu{');
+}
--- a/examples/server/webui/src/components/SettingDialog.tsx
+++ b/examples/server/webui/src/components/SettingDialog.tsx
@ -0,0 +1,536 @@
+import { useState } from 'react';
+import { useAppContext } from '../utils/app.context';
+import { CONFIG_DEFAULT, CONFIG_INFO } from '../Config';
+import { isDev } from '../Config';
+import StorageUtils from '../utils/storage';
+import { classNames, isBoolean, isNumeric, isString } from '../utils/misc';
+import {
+  BeakerIcon,
+  ChatBubbleOvalLeftEllipsisIcon,
+  Cog6ToothIcon,
+  FunnelIcon,
+  HandRaisedIcon,
+  SquaresPlusIcon,
+} from '@heroicons/react/24/outline';
+import { OpenInNewTab } from '../utils/common';
+
+type SettKey = keyof typeof CONFIG_DEFAULT;
+
+const BASIC_KEYS: SettKey[] = [
+  'temperature',
+  'top_k',
+  'top_p',
+  'min_p',
+  'max_tokens',
+];
+const SAMPLER_KEYS: SettKey[] = [
+  'dynatemp_range',
+  'dynatemp_exponent',
+  'typical_p',
+  'xtc_probability',
+  'xtc_threshold',
+];
+const PENALTY_KEYS: SettKey[] = [
+  'repeat_last_n',
+  'repeat_penalty',
+  'presence_penalty',
+  'frequency_penalty',
+  'dry_multiplier',
+  'dry_base',
+  'dry_allowed_length',
+  'dry_penalty_last_n',
+];
+
+enum SettingInputType {
+  SHORT_INPUT,
+  LONG_INPUT,
+  CHECKBOX,
+  CUSTOM,
+}
+
+interface SettingFieldInput {
+  type: Exclude<SettingInputType, SettingInputType.CUSTOM>;
+  label: string | React.ReactElement;
+  help?: string | React.ReactElement;
+  key: SettKey;
+}
+
+interface SettingFieldCustom {
+  type: SettingInputType.CUSTOM;
+  key: SettKey;
+  component:
+    | string
+    | React.FC<{
+        value: string | boolean | number;
+        onChange: (value: string) => void;
+      }>;
+}
+
+interface SettingSection {
+  title: React.ReactElement;
+  fields: (SettingFieldInput | SettingFieldCustom)[];
+}
+
+const ICON_CLASSNAME = 'w-4 h-4 mr-1 inline';
+
+const SETTING_SECTIONS: SettingSection[] = [
+  {
+    title: (
+      <>
+        <Cog6ToothIcon className={ICON_CLASSNAME} />
+        General
+      </>
+    ),
+    fields: [
+      {
+        type: SettingInputType.SHORT_INPUT,
+        label: 'API Key',
+        key: 'apiKey',
+      },
+      {
+        type: SettingInputType.LONG_INPUT,
+        label: 'System Message (will be disabled if left empty)',
+        key: 'systemMessage',
+      },
+      ...BASIC_KEYS.map(
+        (key) =>
+          ({
+            type: SettingInputType.SHORT_INPUT,
+            label: key,
+            key,
+          }) as SettingFieldInput
+      ),
+    ],
+  },
+  {
+    title: (
+      <>
+        <FunnelIcon className={ICON_CLASSNAME} />
+        Samplers
+      </>
+    ),
+    fields: [
+      {
+        type: SettingInputType.SHORT_INPUT,
+        label: 'Samplers queue',
+        key: 'samplers',
+      },
+      ...SAMPLER_KEYS.map(
+        (key) =>
+          ({
+            type: SettingInputType.SHORT_INPUT,
+            label: key,
+            key,
+          }) as SettingFieldInput
+      ),
+    ],
+  },
+  {
+    title: (
+      <>
+        <HandRaisedIcon className={ICON_CLASSNAME} />
+        Penalties
+      </>
+    ),
+    fields: PENALTY_KEYS.map((key) => ({
+      type: SettingInputType.SHORT_INPUT,
+      label: key,
+      key,
+    })),
+  },
+  {
+    title: (
+      <>
+        <ChatBubbleOvalLeftEllipsisIcon className={ICON_CLASSNAME} />
+        Reasoning
+      </>
+    ),
+    fields: [
+      {
+        type: SettingInputType.CHECKBOX,
+        label: 'Expand though process by default for generating message',
+        key: 'showThoughtInProgress',
+      },
+      {
+        type: SettingInputType.CHECKBOX,
+        label:
+          'Exclude thought process when sending request to API (Recommended for DeepSeek-R1)',
+        key: 'excludeThoughtOnReq',
+      },
+    ],
+  },
+  {
+    title: (
+      <>
+        <SquaresPlusIcon className={ICON_CLASSNAME} />
+        Advanced
+      </>
+    ),
+    fields: [
+      {
+        type: SettingInputType.CUSTOM,
+        key: 'custom', // dummy key, won't be used
+        component: () => {
+          const debugImportDemoConv = async () => {
+            const res = await fetch('/demo-conversation.json');
+            const demoConv = await res.json();
+            StorageUtils.remove(demoConv.id);
+            for (const msg of demoConv.messages) {
+              StorageUtils.appendMsg(demoConv.id, msg);
+            }
+          };
+          return (
+            <button className="btn" onClick={debugImportDemoConv}>
+              (debug) Import demo conversation
+            </button>
+          );
+        },
+      },
+      {
+        type: SettingInputType.CHECKBOX,
+        label: 'Show tokens per second',
+        key: 'showTokensPerSecond',
+      },
+      {
+        type: SettingInputType.LONG_INPUT,
+        label: (
+          <>
+            Custom JSON config (For more info, refer to{' '}
+            <OpenInNewTab href="https://github.com/ggerganov/llama.cpp/blob/master/examples/server/README.md">
+              server documentation
+            </OpenInNewTab>
+            )
+          </>
+        ),
+        key: 'custom',
+      },
+    ],
+  },
+  {
+    title: (
+      <>
+        <BeakerIcon className={ICON_CLASSNAME} />
+        Experimental
+      </>
+    ),
+    fields: [
+      {
+        type: SettingInputType.CUSTOM,
+        key: 'custom', // dummy key, won't be used
+        component: () => (
+          <>
+            <p className="mb-8">
+              Experimental features are not guaranteed to work correctly.
+              <br />
+              <br />
+              If you encounter any problems, create a{' '}
+              <OpenInNewTab href="https://github.com/ggerganov/llama.cpp/issues/new?template=019-bug-misc.yml">
+                Bug (misc.)
+              </OpenInNewTab>{' '}
+              report on Github. Please also specify <b>webui/experimental</b> on
+              the report title and include screenshots.
+              <br />
+              <br />
+              Some features may require packages downloaded from CDN, so they
+              need internet connection.
+            </p>
+          </>
+        ),
+      },
+      {
+        type: SettingInputType.CHECKBOX,
+        label: (
+          <>
+            <b>Enable Python interpreter</b>
+            <br />
+            <small className="text-xs">
+              This feature uses{' '}
+              <OpenInNewTab href="https://pyodide.org">pyodide</OpenInNewTab>,
+              downloaded from CDN. To use this feature, ask the LLM to generate
+              python code inside a markdown code block. You will see a "Run"
+              button on the code block, near the "Copy" button.
+            </small>
+          </>
+        ),
+        key: 'pyIntepreterEnabled',
+      },
+    ],
+  },
+];
+
+export default function SettingDialog({
+  show,
+  onClose,
+}: {
+  show: boolean;
+  onClose: () => void;
+}) {
+  const { config, saveConfig } = useAppContext();
+  const [sectionIdx, setSectionIdx] = useState(0);
+
+  // clone the config object to prevent direct mutation
+  const [localConfig, setLocalConfig] = useState<typeof CONFIG_DEFAULT>(
+    JSON.parse(JSON.stringify(config))
+  );
+
+  const resetConfig = () => {
+    if (window.confirm('Are you sure to reset all settings?')) {
+      setLocalConfig(CONFIG_DEFAULT);
+    }
+  };
+
+  const handleSave = () => {
+    // copy the local config to prevent direct mutation
+    const newConfig: typeof CONFIG_DEFAULT = JSON.parse(
+      JSON.stringify(localConfig)
+    );
+    // validate the config
+    for (const key in newConfig) {
+      const value = newConfig[key as SettKey];
+      const mustBeBoolean = isBoolean(CONFIG_DEFAULT[key as SettKey]);
+      const mustBeString = isString(CONFIG_DEFAULT[key as SettKey]);
+      const mustBeNumeric = isNumeric(CONFIG_DEFAULT[key as SettKey]);
+      if (mustBeString) {
+        if (!isString(value)) {
+          alert(`Value for ${key} must be string`);
+          return;
+        }
+      } else if (mustBeNumeric) {
+        const trimedValue = value.toString().trim();
+        const numVal = Number(trimedValue);
+        if (isNaN(numVal) || !isNumeric(numVal) || trimedValue.length === 0) {
+          alert(`Value for ${key} must be numeric`);
+          return;
+        }
+        // force conversion to number
+        // @ts-expect-error this is safe
+        newConfig[key] = numVal;
+      } else if (mustBeBoolean) {
+        if (!isBoolean(value)) {
+          alert(`Value for ${key} must be boolean`);
+          return;
+        }
+      } else {
+        console.error(`Unknown default type for key ${key}`);
+      }
+    }
+    if (isDev) console.log('Saving config', newConfig);
+    saveConfig(newConfig);
+    onClose();
+  };
+
+  const onChange = (key: SettKey) => (value: string | boolean) => {
+    // note: we do not perform validation here, because we may get incomplete value as user is still typing it
+    setLocalConfig({ ...localConfig, [key]: value });
+  };
+
+  return (
+    <dialog className={classNames({ modal: true, 'modal-open': show })}>
+      <div className="modal-box w-11/12 max-w-3xl">
+        <h3 className="text-lg font-bold mb-6">Settings</h3>
+        <div className="flex flex-col md:flex-row h-[calc(90vh-12rem)]">
+          {/* Left panel, showing sections - Desktop version */}
+          <div className="hidden md:flex flex-col items-stretch pr-4 mr-4 border-r-2 border-base-200">
+            {SETTING_SECTIONS.map((section, idx) => (
+              <div
+                key={idx}
+                className={classNames({
+                  'btn btn-ghost justify-start font-normal w-44 mb-1': true,
+                  'btn-active': sectionIdx === idx,
+                })}
+                onClick={() => setSectionIdx(idx)}
+                dir="auto"
+              >
+                {section.title}
+              </div>
+            ))}
+          </div>
+
+          {/* Left panel, showing sections - Mobile version */}
+          <div className="md:hidden flex flex-row gap-2 mb-4">
+            <details className="dropdown">
+              <summary className="btn bt-sm w-full m-1">
+                {SETTING_SECTIONS[sectionIdx].title}
+              </summary>
+              <ul className="menu dropdown-content bg-base-100 rounded-box z-[1] w-52 p-2 shadow">
+                {SETTING_SECTIONS.map((section, idx) => (
+                  <div
+                    key={idx}
+                    className={classNames({
+                      'btn btn-ghost justify-start font-normal': true,
+                      'btn-active': sectionIdx === idx,
+                    })}
+                    onClick={() => setSectionIdx(idx)}
+                    dir="auto"
+                  >
+                    {section.title}
+                  </div>
+                ))}
+              </ul>
+            </details>
+          </div>
+
+          {/* Right panel, showing setting fields */}
+          <div className="grow overflow-y-auto px-4">
+            {SETTING_SECTIONS[sectionIdx].fields.map((field, idx) => {
+              const key = `${sectionIdx}-${idx}`;
+              if (field.type === SettingInputType.SHORT_INPUT) {
+                return (
+                  <SettingsModalShortInput
+                    key={key}
+                    configKey={field.key}
+                    value={localConfig[field.key]}
+                    onChange={onChange(field.key)}
+                    label={field.label as string}
+                  />
+                );
+              } else if (field.type === SettingInputType.LONG_INPUT) {
+                return (
+                  <SettingsModalLongInput
+                    key={key}
+                    configKey={field.key}
+                    value={localConfig[field.key].toString()}
+                    onChange={onChange(field.key)}
+                    label={field.label as string}
+                  />
+                );
+              } else if (field.type === SettingInputType.CHECKBOX) {
+                return (
+                  <SettingsModalCheckbox
+                    key={key}
+                    configKey={field.key}
+                    value={!!localConfig[field.key]}
+                    onChange={onChange(field.key)}
+                    label={field.label as string}
+                  />
+                );
+              } else if (field.type === SettingInputType.CUSTOM) {
+                return (
+                  <div key={key} className="mb-2">
+                    {typeof field.component === 'string'
+                      ? field.component
+                      : field.component({
+                          value: localConfig[field.key],
+                          onChange: onChange(field.key),
+                        })}
+                  </div>
+                );
+              }
+            })}
+
+            <p className="opacity-40 mb-6 text-sm mt-8">
+              Settings are saved in browser's localStorage
+            </p>
+          </div>
+        </div>
+
+        <div className="modal-action">
+          <button className="btn" onClick={resetConfig}>
+            Reset to default
+          </button>
+          <button className="btn" onClick={onClose}>
+            Close
+          </button>
+          <button className="btn btn-primary" onClick={handleSave}>
+            Save
+          </button>
+        </div>
+      </div>
+    </dialog>
+  );
+}
+
+function SettingsModalLongInput({
+  configKey,
+  value,
+  onChange,
+  label,
+}: {
+  configKey: SettKey;
+  value: string;
+  onChange: (value: string) => void;
+  label?: string;
+}) {
+  return (
+    <label className="form-control mb-2">
+      <div className="label inline">{label || configKey}</div>
+      <textarea
+        className="textarea textarea-bordered h-24"
+        placeholder={`Default: ${CONFIG_DEFAULT[configKey] || 'none'}`}
+        value={value}
+        onChange={(e) => onChange(e.target.value)}
+      />
+    </label>
+  );
+}
+
+function SettingsModalShortInput({
+  configKey,
+  value,
+  onChange,
+  label,
+}: {
+  configKey: SettKey;
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  value: any;
+  onChange: (value: string) => void;
+  label?: string;
+}) {
+  const helpMsg = CONFIG_INFO[configKey];
+
+  return (
+    <>
+      {/* on mobile, we simply show the help message here */}
+      {helpMsg && (
+        <div className="block md:hidden mb-1">
+          <b>{label || configKey}</b>
+          <br />
+          <p className="text-xs">{helpMsg}</p>
+        </div>
+      )}
+      <label className="input input-bordered join-item grow flex items-center gap-2 mb-2">
+        <div className="dropdown dropdown-hover">
+          <div tabIndex={0} role="button" className="font-bold hidden md:block">
+            {label || configKey}
+          </div>
+          {helpMsg && (
+            <div className="dropdown-content menu bg-base-100 rounded-box z-10 w-64 p-2 shadow mt-4">
+              {helpMsg}
+            </div>
+          )}
+        </div>
+        <input
+          type="text"
+          className="grow"
+          placeholder={`Default: ${CONFIG_DEFAULT[configKey] || 'none'}`}
+          value={value}
+          onChange={(e) => onChange(e.target.value)}
+        />
+      </label>
+    </>
+  );
+}
+
+function SettingsModalCheckbox({
+  configKey,
+  value,
+  onChange,
+  label,
+}: {
+  configKey: SettKey;
+  value: boolean;
+  onChange: (value: boolean) => void;
+  label: string;
+}) {
+  return (
+    <div className="flex flex-row items-center mb-2">
+      <input
+        type="checkbox"
+        className="toggle"
+        checked={value}
+        onChange={(e) => onChange(e.target.checked)}
+      />
+      <span className="ml-4">{label || configKey}</span>
+    </div>
+  );
+}
--- a/examples/server/webui/src/components/Sidebar.tsx
+++ b/examples/server/webui/src/components/Sidebar.tsx
@ -0,0 +1,95 @@
+import { useEffect, useMemo, useState } from 'react';
+import { classNames } from '../utils/misc';
+import { Conversation } from '../utils/types';
+import StorageUtils from '../utils/storage';
+import { useNavigate, useParams } from 'react-router';
+
+export default function Sidebar() {
+  const params = useParams();
+  const navigate = useNavigate();
+  const currConv = useMemo(
+    () => StorageUtils.getOneConversation(params.convId ?? ''),
+    [params.convId]
+  );
+
+  const [conversations, setConversations] = useState<Conversation[]>([]);
+
+  useEffect(() => {
+    const handleConversationChange = () => {
+      setConversations(StorageUtils.getAllConversations());
+    };
+    StorageUtils.onConversationChanged(handleConversationChange);
+    handleConversationChange();
+    return () => {
+      StorageUtils.offConversationChanged(handleConversationChange);
+    };
+  }, []);
+
+  return (
+    <>
+      <input
+        id="toggle-drawer"
+        type="checkbox"
+        className="drawer-toggle"
+        defaultChecked
+      />
+
+      <div className="drawer-side h-screen lg:h-screen z-50 lg:max-w-64">
+        <label
+          htmlFor="toggle-drawer"
+          aria-label="close sidebar"
+          className="drawer-overlay"
+        ></label>
+        <div className="flex flex-col bg-base-200 min-h-full max-w-64 py-4 px-4">
+          <div className="flex flex-row items-center justify-between mb-4 mt-4">
+            <h2 className="font-bold ml-4">Conversations</h2>
+
+            {/* close sidebar button */}
+            <label htmlFor="toggle-drawer" className="btn btn-ghost lg:hidden">
+              <svg
+                xmlns="http://www.w3.org/2000/svg"
+                width="16"
+                height="16"
+                fill="currentColor"
+                className="bi bi-arrow-bar-left"
+                viewBox="0 0 16 16"
+              >
+                <path
+                  fillRule="evenodd"
+                  d="M12.5 15a.5.5 0 0 1-.5-.5v-13a.5.5 0 0 1 1 0v13a.5.5 0 0 1-.5.5M10 8a.5.5 0 0 1-.5.5H3.707l2.147 2.146a.5.5 0 0 1-.708.708l-3-3a.5.5 0 0 1 0-.708l3-3a.5.5 0 1 1 .708.708L3.707 7.5H9.5a.5.5 0 0 1 .5.5"
+                />
+              </svg>
+            </label>
+          </div>
+
+          {/* list of conversations */}
+          <div
+            className={classNames({
+              'btn btn-ghost justify-start': true,
+              'btn-active': !currConv,
+            })}
+            onClick={() => navigate('/')}
+          >
+            + New conversation
+          </div>
+          {conversations.map((conv) => (
+            <div
+              key={conv.id}
+              className={classNames({
+                'btn btn-ghost justify-start font-normal': true,
+                'btn-active': conv.id === currConv?.id,
+              })}
+              onClick={() => navigate(`/chat/${conv.id}`)}
+              dir="auto"
+            >
+              <span className="truncate">{conv.messages[0].content}</span>
+            </div>
+          ))}
+          <div className="text-center text-xs opacity-40 mt-auto mx-4">
+            Conversations are saved to browser's localStorage
+          </div>
+        </div>
+      </div>
+    </>
+  );
+}
--- a/examples/server/webui/src/highlight-config.js
+++ b/examples/server/webui/src/highlight-config.js
@ -1,60 +0,0 @@
-import hljs from 'highlight.js/lib/core';
-
-// only import commonly used languages to reduce bundle size
-
-import python from 'highlight.js/lib/languages/python';
-import javascript from 'highlight.js/lib/languages/javascript';
-import json from 'highlight.js/lib/languages/json';
-import bash from 'highlight.js/lib/languages/bash';
-import yaml from 'highlight.js/lib/languages/yaml';
-import markdown from 'highlight.js/lib/languages/markdown';
-import scss from 'highlight.js/lib/languages/scss';
-import xml from 'highlight.js/lib/languages/xml';
-import ruby from 'highlight.js/lib/languages/ruby';
-import go from 'highlight.js/lib/languages/go';
-import java from 'highlight.js/lib/languages/java';
-import rust from 'highlight.js/lib/languages/rust';
-import scala from 'highlight.js/lib/languages/scala';
-import cpp from 'highlight.js/lib/languages/cpp';
-import csharp from 'highlight.js/lib/languages/csharp';
-import swift from 'highlight.js/lib/languages/swift';
-import dart from 'highlight.js/lib/languages/dart';
-import elixir from 'highlight.js/lib/languages/elixir';
-import kotlin from 'highlight.js/lib/languages/kotlin';
-import lua from 'highlight.js/lib/languages/lua';
-import php from 'highlight.js/lib/languages/php';
-import latex from 'highlight.js/lib/languages/latex';
-
-hljs.registerLanguage('python', python);
-hljs.registerLanguage('javascript', javascript);
-hljs.registerLanguage('json', json);
-hljs.registerLanguage('yaml', yaml);
-hljs.registerLanguage('markdown', markdown);
-hljs.registerLanguage('xml', xml);
-hljs.registerLanguage('ruby', ruby);
-hljs.registerLanguage('go', go);
-hljs.registerLanguage('java', java);
-hljs.registerLanguage('rust', rust);
-hljs.registerLanguage('scala', scala);
-hljs.registerLanguage('csharp', csharp);
-hljs.registerLanguage('swift', swift);
-hljs.registerLanguage('dart', dart);
-hljs.registerLanguage('elixir', elixir);
-hljs.registerLanguage('kotlin', kotlin);
-hljs.registerLanguage('lua', lua);
-hljs.registerLanguage('php', php);
-hljs.registerLanguage('latex', latex);
-
-// reuse some languages to further reduce bundle size
-
-hljs.registerLanguage('shell', bash);
-hljs.registerLanguage('bash', bash);
-hljs.registerLanguage('sh', bash);
-
-hljs.registerLanguage('css', scss);
-hljs.registerLanguage('scss', scss);
-
-hljs.registerLanguage('c', cpp);
-hljs.registerLanguage('cpp', cpp);
-
-export default hljs;
--- a/examples/server/webui/src/styles.scss
+++ b/examples/server/webui/src/styles.scss
@ -1,15 +1,28 @@
-@use "sass:meta";
+@use 'sass:meta';

@tailwind base;
@tailwind components;
@tailwind utilities;

 .markdown {
-  h1, h2, h3, h4, h5, h6, ul, ol, li { all: revert; }
+  h1,
+  h2,
+  h3,
+  h4,
+  h5,
+  h6,
+  ul,
+  ol,
+  li {
+    all: revert;
+  }
  pre {
    @apply whitespace-pre-wrap rounded-lg p-2;
    border: 1px solid currentColor;
  }
+  p {
+    @apply mb-2;
+  }
  /* TODO: fix markdown table */
 }

@ -19,7 +32,9 @@
 .btn-mini {
  @apply cursor-pointer hover:shadow-md;
 }
-.chat-screen { max-width: 900px; }
+.chat-screen {
+  max-width: 900px;
+}

 .chat-bubble-base-300 {
  --tw-bg-opacity: 1;
@ -30,6 +45,9 @@
 /* Highlight.js */
 [data-color-scheme='light'] {
  @include meta.load-css('highlight.js/styles/stackoverflow-light');
+  .dark-color {
+    @apply bg-base-content text-base-100;
+  }
 }
 [data-color-scheme='dark'] {
  @include meta.load-css('highlight.js/styles/stackoverflow-dark');
@ -37,6 +55,9 @@
 [data-color-scheme='auto'] {
  @media (prefers-color-scheme: light) {
    @include meta.load-css('highlight.js/styles/stackoverflow-light');
+    .dark-color {
+      @apply bg-base-content text-base-100;
+    }
  }
  @media (prefers-color-scheme: dark) {
    @include meta.load-css('highlight.js/styles/stackoverflow-dark');
@ -46,3 +67,7 @@
  background: transparent !important;
  padding: 0.5em !important;
 }
+
+.katex-display {
+  margin: 0 0 !important;
+}
--- a/examples/server/webui/src/katex-gpt.js
+++ b/examples/server/webui/src/katex-gpt.js
@ -1,66 +0,0 @@
-import katex from 'katex';
-
-// Adapted from https://github.com/SchneeHertz/markdown-it-katex-gpt
-// MIT license
-
-const defaultOptions = {
-  delimiters: [
-    { left: '\\[', right: '\\]', display: true },
-    { left: '\\(', right: '\\)', display: false },
-  ],
-};
-
-export function renderLatexHTML(content, display = false) {
-  return katex.renderToString(content, {
-    throwOnError: false,
-    output: 'mathml',
-    displayMode: display,
-  });
-}
-
-function escapedBracketRule(options) {
-  return (state, silent) => {
-    const max = state.posMax;
-    const start = state.pos;
-
-    for (const { left, right, display } of options.delimiters) {
-
-      // Check if it starts with the left delimiter
-      if (!state.src.slice(start).startsWith(left)) continue;
-
-      // Skip the length of the left delimiter
-      let pos = start + left.length;
-
-      // Find the matching right delimiter
-      while (pos < max) {
-        if (state.src.slice(pos).startsWith(right)) {
-          break;
-        }
-        pos++;
-      }
-
-      // No matching right delimiter found, skip to the next match
-      if (pos >= max) continue;
-
-      // If not in silent mode, convert LaTeX formula to MathML
-      if (!silent) {
-        const content = state.src.slice(start + left.length, pos);
-        try {
-          const renderedContent = renderLatexHTML(content, display);
-          const token = state.push('html_inline', '', 0);
-          token.content = renderedContent;
-        } catch (e) {
-          console.error(e);
-        }
-      }
-
-      // Update position, skip the length of the right delimiter
-      state.pos = pos + right.length;
-      return true;
-    }
-  }
-}
-
-export default function (md, options = defaultOptions) {
-  md.inline.ruler.after('text', 'escaped_bracket', escapedBracketRule(options));
-}
--- a/examples/server/webui/src/main.js
+++ b/examples/server/webui/src/main.js
@ -1,704 +0,0 @@
-import './styles.scss';
-import { createApp, defineComponent, shallowRef, computed, h } from 'vue/dist/vue.esm-bundler.js';
-import MarkdownIt from 'markdown-it';
-import TextLineStream from 'textlinestream';
-
-// math formula rendering
-import 'katex/dist/katex.min.css';
-import markdownItKatexGpt from './katex-gpt';
-import markdownItKatexNormal from '@vscode/markdown-it-katex';
-
-// code highlighting
-import hljs from './highlight-config';
-import daisyuiThemes from 'daisyui/src/theming/themes';
-
-// ponyfill for missing ReadableStream asyncIterator on Safari
-import { asyncIterator } from '@sec-ant/readable-stream/ponyfill/asyncIterator';
-
-const isDev = import.meta.env.MODE === 'development';
-
-// types
-/** @typedef {{ id: number, role: 'user' | 'assistant', content: string, timings: any }} Message */
-/** @typedef {{ role: 'user' | 'assistant', content: string }} APIMessage */
-/** @typedef {{ id: string, lastModified: number, messages: Array<Message> }} Conversation */
-
-// utility functions
-const isString = (x) => !!x.toLowerCase;
-const isBoolean = (x) => x === true || x === false;
-const isNumeric = (n) => !isString(n) && !isNaN(n) && !isBoolean(n);
-const escapeAttr = (str) => str.replace(/>/g, '&gt;').replace(/"/g, '&quot;');
-const copyStr = (textToCopy) => {
-  // Navigator clipboard api needs a secure context (https)
-  if (navigator.clipboard && window.isSecureContext) {
-    navigator.clipboard.writeText(textToCopy);
-  } else {
-    // Use the 'out of viewport hidden text area' trick
-    const textArea = document.createElement('textarea');
-    textArea.value = textToCopy;
-    // Move textarea out of the viewport so it's not visible
-    textArea.style.position = 'absolute';
-    textArea.style.left = '-999999px';
-    document.body.prepend(textArea);
-    textArea.select();
-    document.execCommand('copy');
-  }
-};
-
-// constants
-const BASE_URL = isDev
-  ? (localStorage.getItem('base') || 'https://localhost:8080') // for debugging
-  : (new URL('.', document.baseURI).href).toString().replace(/\/$/, ''); // for production
-console.log({ BASE_URL });
-
-const CONFIG_DEFAULT = {
-  // Note: in order not to introduce breaking changes, please keep the same data type (number, string, etc) if you want to change the default value. Do not use null or undefined for default value.
-  apiKey: '',
-  systemMessage: 'You are a helpful assistant.',
-  showTokensPerSecond: false,
-  showThoughtInProgress: false,
-  excludeThoughtOnReq: true,
-  // make sure these default values are in sync with `common.h`
-  samplers: 'edkypmxt',
-  temperature: 0.8,
-  dynatemp_range: 0.0,
-  dynatemp_exponent: 1.0,
-  top_k: 40,
-  top_p: 0.95,
-  min_p: 0.05,
-  xtc_probability: 0.0,
-  xtc_threshold: 0.1,
-  typical_p: 1.0,
-  repeat_last_n: 64,
-  repeat_penalty: 1.0,
-  presence_penalty: 0.0,
-  frequency_penalty: 0.0,
-  dry_multiplier: 0.0,
-  dry_base: 1.75,
-  dry_allowed_length: 2,
-  dry_penalty_last_n: -1,
-  max_tokens: -1,
-  custom: '', // custom json-stringified object
-};
-const CONFIG_INFO = {
-  apiKey: 'Set the API Key if you are using --api-key option for the server.',
-  systemMessage: 'The starting message that defines how model should behave.',
-  samplers: 'The order at which samplers are applied, in simplified way. Default is "dkypmxt": dry->top_k->typ_p->top_p->min_p->xtc->temperature',
-  temperature: 'Controls the randomness of the generated text by affecting the probability distribution of the output tokens. Higher = more random, lower = more focused.',
-  dynatemp_range: 'Addon for the temperature sampler. The added value to the range of dynamic temperature, which adjusts probabilities by entropy of tokens.',
-  dynatemp_exponent: 'Addon for the temperature sampler. Smoothes out the probability redistribution based on the most probable token.',
-  top_k: 'Keeps only k top tokens.',
-  top_p: 'Limits tokens to those that together have a cumulative probability of at least p',
-  min_p: 'Limits tokens based on the minimum probability for a token to be considered, relative to the probability of the most likely token.',
-  xtc_probability: 'XTC sampler cuts out top tokens; this parameter controls the chance of cutting tokens at all. 0 disables XTC.',
-  xtc_threshold: 'XTC sampler cuts out top tokens; this parameter controls the token probability that is required to cut that token.',
-  typical_p: 'Sorts and limits tokens based on the difference between log-probability and entropy.',
-  repeat_last_n: 'Last n tokens to consider for penalizing repetition',
-  repeat_penalty: 'Controls the repetition of token sequences in the generated text',
-  presence_penalty: 'Limits tokens based on whether they appear in the output or not.',
-  frequency_penalty: 'Limits tokens based on how often they appear in the output.',
-  dry_multiplier: 'DRY sampling reduces repetition in generated text even across long contexts. This parameter sets the DRY sampling multiplier.',
-  dry_base: 'DRY sampling reduces repetition in generated text even across long contexts. This parameter sets the DRY sampling base value.',
-  dry_allowed_length: 'DRY sampling reduces repetition in generated text even across long contexts. This parameter sets the allowed length for DRY sampling.',
-  dry_penalty_last_n: 'DRY sampling reduces repetition in generated text even across long contexts. This parameter sets DRY penalty for the last n tokens.',
-  max_tokens: 'The maximum number of token per output.',
-  custom: '', // custom json-stringified object
-};
-// config keys having numeric value (i.e. temperature, top_k, top_p, etc)
-const CONFIG_NUMERIC_KEYS = Object.entries(CONFIG_DEFAULT).filter(e => isNumeric(e[1])).map(e => e[0]);
-// list of themes supported by daisyui
-const THEMES = ['light', 'dark']
-  // make sure light & dark are always at the beginning
-  .concat(Object.keys(daisyuiThemes).filter(t => t !== 'light' && t !== 'dark'));
-
-// markdown support
-const VueMarkdown = defineComponent(
-  (props) => {
-    const md = shallowRef(new MarkdownIt({
-      breaks: true,
-      highlight: function (str, lang) { // Add highlight.js
-        if (lang && hljs.getLanguage(lang)) {
-          try {
-            return '<pre dir="auto"><code class="hljs">' +
-                   hljs.highlight(str, { language: lang, ignoreIllegals: true }).value +
-                   '</code></pre>';
-          } catch (__) {}
-        }
-        return '<pre dir="auto"><code class="hljs">' + md.value.utils.escapeHtml(str) + '</code></pre>';
-      }
-    }));
-    // support latex with double dollar sign and square brackets
-    md.value.use(markdownItKatexGpt, {
-      delimiters: [
-        { left: '\\[', right: '\\]', display: true },
-        { left: '\\(', right: '\\)', display: false },
-        { left: '$$', right: '$$', display: false },
-        // do not add single dollar sign here, other wise it will confused with dollar used for money symbol
-      ],
-      throwOnError: false,
-    });
-    // support latex with single dollar sign
-    md.value.use(markdownItKatexNormal, { throwOnError: false });
-    // add copy button to code blocks
-    const origFenchRenderer = md.value.renderer.rules.fence;
-    md.value.renderer.rules.fence = (tokens, idx, ...args) => {
-      const content = tokens[idx].content;
-      const origRendered = origFenchRenderer(tokens, idx, ...args);
-      return `<div class="relative my-4">
-        <div class="text-right sticky top-4 mb-2 mr-2 h-0">
-          <button class="badge btn-mini" onclick="copyStr(${escapeAttr(JSON.stringify(content))})">📋 Copy</button>
-        </div>
-        ${origRendered}
-      </div>`;
-    };
-    window.copyStr = copyStr;
-    const content = computed(() => md.value.render(props.source));
-    return () => h('div', { innerHTML: content.value });
-  },
-  { props: ['source'] }
-);
-
-// input field to be used by settings modal
-const SettingsModalShortInput = defineComponent({
-  template: document.getElementById('settings-modal-short-input').innerHTML,
-  props: {
-    label: { type: String, required: false },
-    configKey: String,
-    configDefault: Object,
-    configInfo: Object,
-    modelValue: [Object, String, Number],
-  },
-});
-
-// message bubble component
-const MessageBubble = defineComponent({
-  components: {
-    VueMarkdown
-  },
-  template: document.getElementById('message-bubble').innerHTML,
-  props: {
-    config: Object,
-    msg: Object,
-    isGenerating: Boolean,
-    showThoughtInProgress: Boolean,
-    editUserMsgAndRegenerate: Function,
-    regenerateMsg: Function,
-  },
-  data() {
-    return {
-      editingContent: null,
-    };
-  },
-  computed: {
-    timings() {
-      if (!this.msg.timings) return null;
-      return {
-        ...this.msg.timings,
-        prompt_per_second: this.msg.timings.prompt_n / (this.msg.timings.prompt_ms / 1000),
-        predicted_per_second: this.msg.timings.predicted_n / (this.msg.timings.predicted_ms / 1000),
-      };
-    },
-    splitMsgContent() {
-      const content = this.msg.content;
-      if (this.msg.role !== 'assistant') {
-        return { content };
-      }
-      let actualContent = '';
-      let cot = '';
-      let isThinking = false;
-      let thinkSplit = content.split('<think>', 2);
-      actualContent += thinkSplit[0];
-      while (thinkSplit[1] !== undefined) {
-        // <think> tag found
-        thinkSplit = thinkSplit[1].split('</think>', 2);
-        cot += thinkSplit[0];
-        isThinking = true;
-        if (thinkSplit[1] !== undefined) {
-          // </think> closing tag found
-          isThinking = false;
-          thinkSplit = thinkSplit[1].split('<think>', 2);
-          actualContent += thinkSplit[0];
-        }
-      }
-      return { content: actualContent, cot, isThinking };
-    },
-  },
-  methods: {
-    copyMsg() {
-      copyStr(this.msg.content);
-    },
-    editMsg() {
-      this.editUserMsgAndRegenerate({
-        ...this.msg,
-        content: this.editingContent,
-      });
-      this.editingContent = null;
-    },
-  },
-});
-
-// coversations is stored in localStorage
-// format: { [convId]: { id: string, lastModified: number, messages: [...] } }
-// convId is a string prefixed with 'conv-'
-const StorageUtils = {
-  /**
-   * manage conversations
-   * @returns {Array<Conversation>}
-   */
-  getAllConversations() {
-    const res = [];
-    for (const key in localStorage) {
-      if (key.startsWith('conv-')) {
-        res.push(JSON.parse(localStorage.getItem(key)));
-      }
-    }
-    res.sort((a, b) => b.lastModified - a.lastModified);
-    return res;
-  },
-  /**
-   * can return null if convId does not exist
-   * @param {string} convId
-   * @returns {Conversation | null}
-   */
-  getOneConversation(convId) {
-    return JSON.parse(localStorage.getItem(convId) || 'null');
-  },
-  /**
-   * if convId does not exist, create one
-   * @param {string} convId
-   * @param {Message} msg
-   */
-  appendMsg(convId, msg) {
-    if (msg.content === null) return;
-    const conv = StorageUtils.getOneConversation(convId) || {
-      id: convId,
-      lastModified: Date.now(),
-      messages: [],
-    };
-    conv.messages.push(msg);
-    conv.lastModified = Date.now();
-    localStorage.setItem(convId, JSON.stringify(conv));
-  },
-  /**
-   * Get new conversation id
-   * @returns {string}
-   */
-  getNewConvId() {
-    return `conv-${Date.now()}`;
-  },
-  /**
-   * remove conversation by id
-   * @param {string} convId
-   */
-  remove(convId) {
-    localStorage.removeItem(convId);
-  },
-  /**
-   * remove all conversations
-   * @param {string} convId
-   */
-  filterAndKeepMsgs(convId, predicate) {
-    const conv = StorageUtils.getOneConversation(convId);
-    if (!conv) return;
-    conv.messages = conv.messages.filter(predicate);
-    conv.lastModified = Date.now();
-    localStorage.setItem(convId, JSON.stringify(conv));
-  },
-  /**
-   * remove last message from conversation
-   * @param {string} convId
-   * @returns {Message | undefined}
-   */
-  popMsg(convId) {
-    const conv = StorageUtils.getOneConversation(convId);
-    if (!conv) return;
-    const msg = conv.messages.pop();
-    conv.lastModified = Date.now();
-    if (conv.messages.length === 0) {
-      StorageUtils.remove(convId);
-    } else {
-      localStorage.setItem(convId, JSON.stringify(conv));
-    }
-    return msg;
-  },
-
-  // manage config
-  getConfig() {
-    const savedVal = JSON.parse(localStorage.getItem('config') || '{}');
-    // to prevent breaking changes in the future, we always provide default value for missing keys
-    return {
-      ...CONFIG_DEFAULT,
-      ...savedVal,
-    };
-  },
-  setConfig(config) {
-    localStorage.setItem('config', JSON.stringify(config));
-  },
-  getTheme() {
-    return localStorage.getItem('theme') || 'auto';
-  },
-  setTheme(theme) {
-    if (theme === 'auto') {
-      localStorage.removeItem('theme');
-    } else {
-      localStorage.setItem('theme', theme);
-    }
-  },
-};
-
-// scroll to bottom of chat messages
-// if requiresNearBottom is true, only auto-scroll if user is near bottom
-const chatScrollToBottom = (requiresNearBottom) => {
-  const msgListElem = document.getElementById('messages-list');
-  const spaceToBottom = msgListElem.scrollHeight - msgListElem.scrollTop - msgListElem.clientHeight;
-  if (!requiresNearBottom || (spaceToBottom < 100)) {
-    setTimeout(() => msgListElem.scrollTo({ top: msgListElem.scrollHeight }), 1);
-  }
-};
-
-// wrapper for SSE
-async function* sendSSEPostRequest(url, fetchOptions) {
-  const res = await fetch(url, fetchOptions);
-  const lines = res.body
-    .pipeThrough(new TextDecoderStream())
-    .pipeThrough(new TextLineStream());
-  for await (const line of asyncIterator(lines)) {
-    if (isDev) console.log({line});
-    if (line.startsWith('data:') && !line.endsWith('[DONE]')) {
-      const data = JSON.parse(line.slice(5));
-      yield data;
-    } else if (line.startsWith('error:')) {
-      const data = JSON.parse(line.slice(6));
-      throw new Error(data.message || 'Unknown error');
-    }
-  }
-};
-
-const mainApp = createApp({
-  components: {
-    VueMarkdown,
-    SettingsModalShortInput,
-    MessageBubble,
-  },
-  data() {
-    return {
-      conversations: StorageUtils.getAllConversations(),
-      /** @type {Array<Message>} */
-      messages: [],
-      viewingConvId: StorageUtils.getNewConvId(),
-      inputMsg: '',
-      isGenerating: false,
-      /** @type {Array<Message> | null} */
-      pendingMsg: null, // the on-going message from assistant
-      stopGeneration: () => {},
-      selectedTheme: StorageUtils.getTheme(),
-      config: StorageUtils.getConfig(),
-      showConfigDialog: false,
-      // const
-      themes: THEMES,
-      /** @type {CONFIG_DEFAULT} */
-      configDefault: {...CONFIG_DEFAULT},
-      configInfo: {...CONFIG_INFO},
-      isDev,
-    }
-  },
-  computed: {},
-  mounted() {
-    document.getElementById('app').classList.remove('opacity-0'); // show app
-    // scroll to the bottom when the pending message height is updated
-    const pendingMsgElem = document.getElementById('pending-msg');
-    const resizeObserver = new ResizeObserver(() => {
-      if (this.isGenerating) chatScrollToBottom(true);
-    });
-    resizeObserver.observe(pendingMsgElem);
-    this.setSelectedTheme(this.selectedTheme);
-  },
-  watch: {
-    viewingConvId: function(val, oldVal) {
-      if (val != oldVal) {
-        this.fetchMessages();
-        chatScrollToBottom();
-        this.hideSidebar();
-      }
-    }
-  },
-  methods: {
-    hideSidebar() {
-      document.getElementById('toggle-drawer').checked = false;
-    },
-    setSelectedTheme(theme) {
-      this.selectedTheme = theme;
-      document.body.setAttribute('data-theme', theme);
-      document.body.setAttribute('data-color-scheme', daisyuiThemes[theme]?.['color-scheme'] ?? 'auto');
-      StorageUtils.setTheme(theme);
-    },
-    newConversation() {
-      if (this.isGenerating) return;
-      this.viewingConvId = StorageUtils.getNewConvId();
-    },
-    setViewingConv(convId) {
-      if (this.isGenerating) return;
-      this.viewingConvId = convId;
-    },
-    deleteConv(convId) {
-      if (this.isGenerating) return;
-      if (window.confirm('Are you sure to delete this conversation?')) {
-        StorageUtils.remove(convId);
-        if (this.viewingConvId === convId) {
-          this.viewingConvId = StorageUtils.getNewConvId();
-        }
-        this.fetchConversation();
-        this.fetchMessages();
-      }
-    },
-    downloadConv(convId) {
-      const conversation = StorageUtils.getOneConversation(convId);
-      if (!conversation) {
-        alert('Conversation not found.');
-        return;
-      }
-      const conversationJson = JSON.stringify(conversation, null, 2);
-      const blob = new Blob([conversationJson], { type: 'application/json' });
-      const url = URL.createObjectURL(blob);
-      const a = document.createElement('a');
-      a.href = url;
-      a.download = `conversation_${convId}.json`;
-      document.body.appendChild(a);
-      a.click();
-      document.body.removeChild(a);
-      URL.revokeObjectURL(url);
-    },
-    async sendMessage() {
-      // prevent sending empty message
-      // also allow typing the message while generating, but does not allow sending it (to match UX/UI behavior of other chat apps)
-      if (!this.inputMsg || this.isGenerating) return;
-
-      const currConvId = this.viewingConvId;
-
-      StorageUtils.appendMsg(currConvId, {
-        id: Date.now(),
-        role: 'user',
-        content: this.inputMsg,
-      });
-      this.fetchConversation();
-      this.fetchMessages();
-      this.inputMsg = '';
-      this.generateMessage(currConvId);
-      chatScrollToBottom();
-    },
-    async generateMessage(currConvId) {
-      if (this.isGenerating) return;
-      this.pendingMsg = { id: Date.now()+1, role: 'assistant', content: null };
-      this.isGenerating = true;
-
-      try {
-        /** @type {CONFIG_DEFAULT} */
-        const config = this.config;
-        const abortController = new AbortController();
-        this.stopGeneration = () => abortController.abort();
-        /** @type {Array<APIMessage>} */
-        let messages = [
-          { role: 'system', content: config.systemMessage },
-          ...normalizeMsgsForAPI(this.messages),
-        ];
-        if (config.excludeThoughtOnReq) {
-          messages = filterThoughtFromMsgs(messages);
-        }
-        if (isDev) console.log({messages});
-        const params = {
-          messages,
-          stream: true,
-          cache_prompt: true,
-          samplers: config.samplers,
-          temperature: config.temperature,
-          dynatemp_range: config.dynatemp_range,
-          dynatemp_exponent: config.dynatemp_exponent,
-          top_k: config.top_k,
-          top_p: config.top_p,
-          min_p: config.min_p,
-          typical_p: config.typical_p,
-          xtc_probability: config.xtc_probability,
-          xtc_threshold: config.xtc_threshold,
-          repeat_last_n: config.repeat_last_n,
-          repeat_penalty: config.repeat_penalty,
-          presence_penalty: config.presence_penalty,
-          frequency_penalty: config.frequency_penalty,
-          dry_multiplier: config.dry_multiplier,
-          dry_base: config.dry_base,
-          dry_allowed_length: config.dry_allowed_length,
-          dry_penalty_last_n: config.dry_penalty_last_n,
-          max_tokens: config.max_tokens,
-          timings_per_token: !!config.showTokensPerSecond,
-          ...(config.custom.length ? JSON.parse(config.custom) : {}),
-        };
-        const chunks = sendSSEPostRequest(`${BASE_URL}/v1/chat/completions`, {
-          method: 'POST',
-          headers: {
-            'Content-Type': 'application/json',
-            ...(config.apiKey ? {'Authorization': `Bearer ${config.apiKey}`} : {})
-          },
-          body: JSON.stringify(params),
-          signal: abortController.signal,
-        });
-        for await (const chunk of chunks) {
-          const stop = chunk.stop;
-          const addedContent = chunk.choices[0].delta.content;
-          const lastContent = this.pendingMsg.content || '';
-          if (addedContent) {
-            this.pendingMsg = {
-              id: this.pendingMsg.id,
-              role: 'assistant',
-              content: lastContent + addedContent,
-            };
-          }
-          const timings = chunk.timings;
-          if (timings && config.showTokensPerSecond) {
-            // only extract what's really needed, to save some space
-            this.pendingMsg.timings = {
-              prompt_n: timings.prompt_n,
-              prompt_ms: timings.prompt_ms,
-              predicted_n: timings.predicted_n,
-              predicted_ms: timings.predicted_ms,
-            };
-          }
-        }
-
-        StorageUtils.appendMsg(currConvId, this.pendingMsg);
-        this.fetchConversation();
-        this.fetchMessages();
-        setTimeout(() => document.getElementById('msg-input').focus(), 1);
-      } catch (error) {
-        if (error.name === 'AbortError') {
-          // user stopped the generation via stopGeneration() function
-          StorageUtils.appendMsg(currConvId, this.pendingMsg);
-          this.fetchConversation();
-          this.fetchMessages();
-        } else {
-          console.error(error);
-          alert(error);
-          // pop last user message
-          const lastUserMsg = StorageUtils.popMsg(currConvId);
-          this.inputMsg = lastUserMsg ? lastUserMsg.content : '';
-        }
-      }
-
-      this.pendingMsg = null;
-      this.isGenerating = false;
-      this.stopGeneration = () => {};
-      this.fetchMessages();
-      chatScrollToBottom();
-    },
-
-    // message actions
-    regenerateMsg(msg) {
-      if (this.isGenerating) return;
-      // TODO: somehow keep old history (like how ChatGPT has different "tree"). This can be done by adding "sub-conversations" with "subconv-" prefix, and new message will have a list of subconvIds
-      const currConvId = this.viewingConvId;
-      StorageUtils.filterAndKeepMsgs(currConvId, (m) => m.id < msg.id);
-      this.fetchConversation();
-      this.fetchMessages();
-      this.generateMessage(currConvId);
-    },
-    editUserMsgAndRegenerate(msg) {
-      if (this.isGenerating) return;
-      const currConvId = this.viewingConvId;
-      const newContent = msg.content;
-      StorageUtils.filterAndKeepMsgs(currConvId, (m) => m.id < msg.id);
-      StorageUtils.appendMsg(currConvId, {
-        id: Date.now(),
-        role: 'user',
-        content: newContent,
-      });
-      this.fetchConversation();
-      this.fetchMessages();
-      this.generateMessage(currConvId);
-    },
-
-    // settings dialog methods
-    closeAndSaveConfigDialog() {
-      try {
-        if (this.config.custom.length) JSON.parse(this.config.custom);
-      } catch (error) {
-        alert('Invalid JSON for custom config. Please either fix it or leave it empty.');
-        return;
-      }
-      for (const key of CONFIG_NUMERIC_KEYS) {
-        if (isNaN(this.config[key]) || this.config[key].toString().trim().length === 0) {
-          alert(`Invalid number for ${key} (expected an integer or a float)`);
-          return;
-        }
-        this.config[key] = parseFloat(this.config[key]);
-      }
-      this.showConfigDialog = false;
-      StorageUtils.setConfig(this.config);
-    },
-    closeAndDiscardConfigDialog() {
-      this.showConfigDialog = false;
-      this.config = StorageUtils.getConfig();
-    },
-    resetConfigDialog() {
-      if (window.confirm('Are you sure to reset all settings?')) {
-        this.config = {...CONFIG_DEFAULT};
-      }
-    },
-
-    // sync state functions
-    fetchConversation() {
-      this.conversations = StorageUtils.getAllConversations();
-    },
-    fetchMessages() {
-      this.messages = StorageUtils.getOneConversation(this.viewingConvId)?.messages ?? [];
-    },
-
-    // debug functions
-    async debugImportDemoConv() {
-      const res = await fetch('/demo-conversation.json');
-      const demoConv = await res.json();
-      StorageUtils.remove(demoConv.id);
-      for (const msg of demoConv.messages) {
-        StorageUtils.appendMsg(demoConv.id, msg);
-      }
-      this.fetchConversation();
-    }
-  },
-});
-mainApp.config.errorHandler = alert;
-try {
-  mainApp.mount('#app');
-} catch (err) {
-  console.error(err);
-  document.getElementById('app').innerHTML = `<div style="margin:2em auto">
-    Failed to start app. Please try clearing localStorage and try again.<br/>
-    <br/>
-    <button class="btn" onClick="localStorage.clear(); window.location.reload();">Clear localStorage</button>
-  </div>`;
-}
-
-/**
- * filter out redundant fields upon sending to API
- * @param {Array<APIMessage>} messages
- * @returns {Array<APIMessage>}
- */
-function normalizeMsgsForAPI(messages) {
-  return messages.map((msg) => {
-    return {
-      role: msg.role,
-      content: msg.content,
-    };
-  });
-}
-
-/**
- * recommended for DeepsSeek-R1, filter out content between <think> and </think> tags
- * @param {Array<APIMessage>} messages
- * @returns {Array<APIMessage>}
- */
-function filterThoughtFromMsgs(messages) {
-  return messages.map((msg) => {
-    return {
-      role: msg.role,
-      content: msg.role === 'assistant'
-        ? msg.content.split('</think>').at(-1).trim()
-        : msg.content,
-    };
-  });
-}
--- a/examples/server/webui/src/main.tsx
+++ b/examples/server/webui/src/main.tsx
@ -0,0 +1,10 @@
+import { StrictMode } from 'react';
+import { createRoot } from 'react-dom/client';
+import './index.scss';
+import App from './App.tsx';
+
+createRoot(document.getElementById('root')!).render(
+  <StrictMode>
+    <App />
+  </StrictMode>
+);
--- a/examples/server/webui/src/utils/app.context.tsx
+++ b/examples/server/webui/src/utils/app.context.tsx
@ -0,0 +1,327 @@
+import React, { createContext, useContext, useEffect, useState } from 'react';
+import {
+  APIMessage,
+  CanvasData,
+  Conversation,
+  Message,
+  PendingMessage,
+} from './types';
+import StorageUtils from './storage';
+import {
+  filterThoughtFromMsgs,
+  normalizeMsgsForAPI,
+  getSSEStreamAsync,
+} from './misc';
+import { BASE_URL, CONFIG_DEFAULT, isDev } from '../Config';
+import { matchPath, useLocation } from 'react-router';
+
+interface AppContextValue {
+  // conversations and messages
+  viewingConversation: Conversation | null;
+  pendingMessages: Record<Conversation['id'], PendingMessage>;
+  isGenerating: (convId: string) => boolean;
+  sendMessage: (
+    convId: string,
+    content: string,
+    onChunk?: CallbackGeneratedChunk
+  ) => Promise<boolean>;
+  stopGenerating: (convId: string) => void;
+  replaceMessageAndGenerate: (
+    convId: string,
+    origMsgId: Message['id'],
+    content?: string,
+    onChunk?: CallbackGeneratedChunk
+  ) => Promise<void>;
+
+  // canvas
+  canvasData: CanvasData | null;
+  setCanvasData: (data: CanvasData | null) => void;
+
+  // config
+  config: typeof CONFIG_DEFAULT;
+  saveConfig: (config: typeof CONFIG_DEFAULT) => void;
+  showSettings: boolean;
+  setShowSettings: (show: boolean) => void;
+}
+
+// for now, this callback is only used for scrolling to the bottom of the chat
+type CallbackGeneratedChunk = () => void;
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+const AppContext = createContext<AppContextValue>({} as any);
+
+export const AppContextProvider = ({
+  children,
+}: {
+  children: React.ReactElement;
+}) => {
+  const { pathname } = useLocation();
+  const params = matchPath('/chat/:convId', pathname);
+  const convId = params?.params?.convId;
+
+  const [viewingConversation, setViewingConversation] =
+    useState<Conversation | null>(null);
+  const [pendingMessages, setPendingMessages] = useState<
+    Record<Conversation['id'], PendingMessage>
+  >({});
+  const [aborts, setAborts] = useState<
+    Record<Conversation['id'], AbortController>
+  >({});
+  const [config, setConfig] = useState(StorageUtils.getConfig());
+  const [canvasData, setCanvasData] = useState<CanvasData | null>(null);
+  const [showSettings, setShowSettings] = useState(false);
+
+  // handle change when the convId from URL is changed
+  useEffect(() => {
+    // also reset the canvas data
+    setCanvasData(null);
+    const handleConversationChange = (changedConvId: string) => {
+      if (changedConvId !== convId) return;
+      setViewingConversation(StorageUtils.getOneConversation(convId));
+    };
+    StorageUtils.onConversationChanged(handleConversationChange);
+    setViewingConversation(StorageUtils.getOneConversation(convId ?? ''));
+    return () => {
+      StorageUtils.offConversationChanged(handleConversationChange);
+    };
+  }, [convId]);
+
+  const setPending = (convId: string, pendingMsg: PendingMessage | null) => {
+    // if pendingMsg is null, remove the key from the object
+    if (!pendingMsg) {
+      setPendingMessages((prev) => {
+        const newState = { ...prev };
+        delete newState[convId];
+        return newState;
+      });
+    } else {
+      setPendingMessages((prev) => ({ ...prev, [convId]: pendingMsg }));
+    }
+  };
+
+  const setAbort = (convId: string, controller: AbortController | null) => {
+    if (!controller) {
+      setAborts((prev) => {
+        const newState = { ...prev };
+        delete newState[convId];
+        return newState;
+      });
+    } else {
+      setAborts((prev) => ({ ...prev, [convId]: controller }));
+    }
+  };
+
+  ////////////////////////////////////////////////////////////////////////
+  // public functions
+
+  const isGenerating = (convId: string) => !!pendingMessages[convId];
+
+  const generateMessage = async (
+    convId: string,
+    onChunk?: CallbackGeneratedChunk
+  ) => {
+    if (isGenerating(convId)) return;
+
+    const config = StorageUtils.getConfig();
+    const currConversation = StorageUtils.getOneConversation(convId);
+    if (!currConversation) {
+      throw new Error('Current conversation is not found');
+    }
+
+    const abortController = new AbortController();
+    setAbort(convId, abortController);
+
+    let pendingMsg: PendingMessage = {
+      id: Date.now() + 1,
+      role: 'assistant',
+      content: null,
+    };
+    setPending(convId, pendingMsg);
+
+    try {
+      // prepare messages for API
+      let messages: APIMessage[] = [
+        ...(config.systemMessage.length === 0
+          ? []
+          : [{ role: 'system', content: config.systemMessage } as APIMessage]),
+        ...normalizeMsgsForAPI(currConversation?.messages ?? []),
+      ];
+      if (config.excludeThoughtOnReq) {
+        messages = filterThoughtFromMsgs(messages);
+      }
+      if (isDev) console.log({ messages });
+
+      // prepare params
+      const params = {
+        messages,
+        stream: true,
+        cache_prompt: true,
+        samplers: config.samplers,
+        temperature: config.temperature,
+        dynatemp_range: config.dynatemp_range,
+        dynatemp_exponent: config.dynatemp_exponent,
+        top_k: config.top_k,
+        top_p: config.top_p,
+        min_p: config.min_p,
+        typical_p: config.typical_p,
+        xtc_probability: config.xtc_probability,
+        xtc_threshold: config.xtc_threshold,
+        repeat_last_n: config.repeat_last_n,
+        repeat_penalty: config.repeat_penalty,
+        presence_penalty: config.presence_penalty,
+        frequency_penalty: config.frequency_penalty,
+        dry_multiplier: config.dry_multiplier,
+        dry_base: config.dry_base,
+        dry_allowed_length: config.dry_allowed_length,
+        dry_penalty_last_n: config.dry_penalty_last_n,
+        max_tokens: config.max_tokens,
+        timings_per_token: !!config.showTokensPerSecond,
+        ...(config.custom.length ? JSON.parse(config.custom) : {}),
+      };
+
+      // send request
+      const fetchResponse = await fetch(`${BASE_URL}/v1/chat/completions`, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+          ...(config.apiKey
+            ? { Authorization: `Bearer ${config.apiKey}` }
+            : {}),
+        },
+        body: JSON.stringify(params),
+        signal: abortController.signal,
+      });
+      if (fetchResponse.status !== 200) {
+        const body = await fetchResponse.json();
+        throw new Error(body?.error?.message || 'Unknown error');
+      }
+      const chunks = getSSEStreamAsync(fetchResponse);
+      for await (const chunk of chunks) {
+        // const stop = chunk.stop;
+        if (chunk.error) {
+          throw new Error(chunk.error?.message || 'Unknown error');
+        }
+        const addedContent = chunk.choices[0].delta.content;
+        const lastContent = pendingMsg.content || '';
+        if (addedContent) {
+          pendingMsg = {
+            id: pendingMsg.id,
+            role: 'assistant',
+            content: lastContent + addedContent,
+          };
+        }
+        const timings = chunk.timings;
+        if (timings && config.showTokensPerSecond) {
+          // only extract what's really needed, to save some space
+          pendingMsg.timings = {
+            prompt_n: timings.prompt_n,
+            prompt_ms: timings.prompt_ms,
+            predicted_n: timings.predicted_n,
+            predicted_ms: timings.predicted_ms,
+          };
+        }
+        setPending(convId, pendingMsg);
+        onChunk?.();
+      }
+    } catch (err) {
+      setPending(convId, null);
+      if ((err as Error).name === 'AbortError') {
+        // user stopped the generation via stopGeneration() function
+        // we can safely ignore this error
+      } else {
+        console.error(err);
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any
+        alert((err as any)?.message ?? 'Unknown error');
+        throw err; // rethrow
+      }
+    }
+
+    if (pendingMsg.content) {
+      StorageUtils.appendMsg(currConversation.id, {
+        id: pendingMsg.id,
+        content: pendingMsg.content,
+        role: pendingMsg.role,
+        timings: pendingMsg.timings,
+      });
+    }
+    setPending(convId, null);
+    onChunk?.(); // trigger scroll to bottom
+  };
+
+  const sendMessage = async (
+    convId: string,
+    content: string,
+    onChunk?: CallbackGeneratedChunk
+  ): Promise<boolean> => {
+    if (isGenerating(convId) || content.trim().length === 0) return false;
+
+    StorageUtils.appendMsg(convId, {
+      id: Date.now(),
+      role: 'user',
+      content,
+    });
+
+    try {
+      await generateMessage(convId, onChunk);
+      return true;
+    } catch (_) {
+      // rollback
+      StorageUtils.popMsg(convId);
+    }
+    return false;
+  };
+
+  const stopGenerating = (convId: string) => {
+    setPending(convId, null);
+    aborts[convId]?.abort();
+  };
+
+  // if content is undefined, we remove last assistant message
+  const replaceMessageAndGenerate = async (
+    convId: string,
+    origMsgId: Message['id'],
+    content?: string,
+    onChunk?: CallbackGeneratedChunk
+  ) => {
+    if (isGenerating(convId)) return;
+
+    StorageUtils.filterAndKeepMsgs(convId, (msg) => msg.id < origMsgId);
+    if (content) {
+      StorageUtils.appendMsg(convId, {
+        id: Date.now(),
+        role: 'user',
+        content,
+      });
+    }
+
+    await generateMessage(convId, onChunk);
+  };
+
+  const saveConfig = (config: typeof CONFIG_DEFAULT) => {
+    StorageUtils.setConfig(config);
+    setConfig(config);
+  };
+
+  return (
+    <AppContext.Provider
+      value={{
+        isGenerating,
+        viewingConversation,
+        pendingMessages,
+        sendMessage,
+        stopGenerating,
+        replaceMessageAndGenerate,
+        canvasData,
+        setCanvasData,
+        config,
+        saveConfig,
+        showSettings,
+        setShowSettings,
+      }}
+    >
+      {children}
+    </AppContext.Provider>
+  );
+};
+
+export const useAppContext = () => useContext(AppContext);
--- a/examples/server/webui/src/utils/common.tsx
+++ b/examples/server/webui/src/utils/common.tsx
@ -0,0 +1,38 @@
+export const XCloseButton: React.ElementType<
+  React.ClassAttributes<HTMLButtonElement> &
+    React.HTMLAttributes<HTMLButtonElement>
+> = ({ className, ...props }) => (
+  <button className={`btn btn-square btn-sm ${className ?? ''}`} {...props}>
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      className="h-6 w-6"
+      fill="none"
+      viewBox="0 0 24 24"
+      stroke="currentColor"
+    >
+      <path
+        strokeLinecap="round"
+        strokeLinejoin="round"
+        strokeWidth="2"
+        d="M6 18L18 6M6 6l12 12"
+      />
+    </svg>
+  </button>
+);
+
+export const OpenInNewTab = ({
+  href,
+  children,
+}: {
+  href: string;
+  children: string;
+}) => (
+  <a
+    className="underline"
+    href={href}
+    target="_blank"
+    rel="noopener noreferrer"
+  >
+    {children}
+  </a>
+);
--- a/examples/server/webui/src/utils/misc.ts
+++ b/examples/server/webui/src/utils/misc.ts
@ -0,0 +1,90 @@
+// @ts-expect-error this package does not have typing
+import TextLineStream from 'textlinestream';
+import { APIMessage, Message } from './types';
+
+// ponyfill for missing ReadableStream asyncIterator on Safari
+import { asyncIterator } from '@sec-ant/readable-stream/ponyfill/asyncIterator';
+import { isDev } from '../Config';
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export const isString = (x: any) => !!x.toLowerCase;
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export const isBoolean = (x: any) => x === true || x === false;
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export const isNumeric = (n: any) => !isString(n) && !isNaN(n) && !isBoolean(n);
+export const escapeAttr = (str: string) =>
+  str.replace(/>/g, '&gt;').replace(/"/g, '&quot;');
+
+// wrapper for SSE
+export async function* getSSEStreamAsync(fetchResponse: Response) {
+  if (!fetchResponse.body) throw new Error('Response body is empty');
+  const lines: ReadableStream<string> = fetchResponse.body
+    .pipeThrough(new TextDecoderStream())
+    .pipeThrough(new TextLineStream());
+  // @ts-expect-error asyncIterator complains about type, but it should work
+  for await (const line of asyncIterator(lines)) {
+    if (isDev) console.log({ line });
+    if (line.startsWith('data:') && !line.endsWith('[DONE]')) {
+      const data = JSON.parse(line.slice(5));
+      yield data;
+    } else if (line.startsWith('error:')) {
+      const data = JSON.parse(line.slice(6));
+      throw new Error(data.message || 'Unknown error');
+    }
+  }
+}
+
+// copy text to clipboard
+export const copyStr = (textToCopy: string) => {
+  // Navigator clipboard api needs a secure context (https)
+  if (navigator.clipboard && window.isSecureContext) {
+    navigator.clipboard.writeText(textToCopy);
+  } else {
+    // Use the 'out of viewport hidden text area' trick
+    const textArea = document.createElement('textarea');
+    textArea.value = textToCopy;
+    // Move textarea out of the viewport so it's not visible
+    textArea.style.position = 'absolute';
+    textArea.style.left = '-999999px';
+    document.body.prepend(textArea);
+    textArea.select();
+    document.execCommand('copy');
+  }
+};
+
+/**
+ * filter out redundant fields upon sending to API
+ */
+export function normalizeMsgsForAPI(messages: Message[]) {
+  return messages.map((msg) => {
+    return {
+      role: msg.role,
+      content: msg.content,
+    };
+  }) as APIMessage[];
+}
+
+/**
+ * recommended for DeepsSeek-R1, filter out content between <think> and </think> tags
+ */
+export function filterThoughtFromMsgs(messages: APIMessage[]) {
+  return messages.map((msg) => {
+    return {
+      role: msg.role,
+      content:
+        msg.role === 'assistant'
+          ? msg.content.split('</think>').at(-1)!.trim()
+          : msg.content,
+    } as APIMessage;
+  });
+}
+
+export function classNames(classes: Record<string, boolean>): string {
+  return Object.entries(classes)
+    .filter(([_, value]) => value)
+    .map(([key, _]) => key)
+    .join(' ');
+}
+
+export const delay = (ms: number) =>
+  new Promise((resolve) => setTimeout(resolve, ms));
--- a/examples/server/webui/src/utils/storage.ts
+++ b/examples/server/webui/src/utils/storage.ts
@ -0,0 +1,138 @@
+// coversations is stored in localStorage
+// format: { [convId]: { id: string, lastModified: number, messages: [...] } }
+
+import { CONFIG_DEFAULT } from '../Config';
+import { Conversation, Message } from './types';
+
+const event = new EventTarget();
+
+type CallbackConversationChanged = (convId: string) => void;
+let onConversationChangedHandlers: [
+  CallbackConversationChanged,
+  EventListener,
+][] = [];
+const dispatchConversationChange = (convId: string) => {
+  event.dispatchEvent(
+    new CustomEvent('conversationChange', { detail: { convId } })
+  );
+};
+
+// convId is a string prefixed with 'conv-'
+const StorageUtils = {
+  /**
+   * manage conversations
+   */
+  getAllConversations(): Conversation[] {
+    const res = [];
+    for (const key in localStorage) {
+      if (key.startsWith('conv-')) {
+        res.push(JSON.parse(localStorage.getItem(key) ?? '{}'));
+      }
+    }
+    res.sort((a, b) => b.lastModified - a.lastModified);
+    return res;
+  },
+  /**
+   * can return null if convId does not exist
+   */
+  getOneConversation(convId: string): Conversation | null {
+    return JSON.parse(localStorage.getItem(convId) || 'null');
+  },
+  /**
+   * if convId does not exist, create one
+   */
+  appendMsg(convId: string, msg: Message): void {
+    if (msg.content === null) return;
+    const conv = StorageUtils.getOneConversation(convId) || {
+      id: convId,
+      lastModified: Date.now(),
+      messages: [],
+    };
+    conv.messages.push(msg);
+    conv.lastModified = Date.now();
+    localStorage.setItem(convId, JSON.stringify(conv));
+    dispatchConversationChange(convId);
+  },
+  /**
+   * Get new conversation id
+   */
+  getNewConvId(): string {
+    return `conv-${Date.now()}`;
+  },
+  /**
+   * remove conversation by id
+   */
+  remove(convId: string): void {
+    localStorage.removeItem(convId);
+    dispatchConversationChange(convId);
+  },
+  /**
+   * remove all conversations
+   */
+  filterAndKeepMsgs(
+    convId: string,
+    predicate: (msg: Message) => boolean
+  ): void {
+    const conv = StorageUtils.getOneConversation(convId);
+    if (!conv) return;
+    conv.messages = conv.messages.filter(predicate);
+    conv.lastModified = Date.now();
+    localStorage.setItem(convId, JSON.stringify(conv));
+    dispatchConversationChange(convId);
+  },
+  /**
+   * remove last message from conversation
+   */
+  popMsg(convId: string): Message | undefined {
+    const conv = StorageUtils.getOneConversation(convId);
+    if (!conv) return;
+    const msg = conv.messages.pop();
+    conv.lastModified = Date.now();
+    if (conv.messages.length === 0) {
+      StorageUtils.remove(convId);
+    } else {
+      localStorage.setItem(convId, JSON.stringify(conv));
+    }
+    dispatchConversationChange(convId);
+    return msg;
+  },
+
+  // event listeners
+  onConversationChanged(callback: CallbackConversationChanged) {
+    const fn = (e: Event) => callback((e as CustomEvent).detail.convId);
+    onConversationChangedHandlers.push([callback, fn]);
+    event.addEventListener('conversationChange', fn);
+  },
+  offConversationChanged(callback: CallbackConversationChanged) {
+    const fn = onConversationChangedHandlers.find(([cb, _]) => cb === callback);
+    if (fn) {
+      event.removeEventListener('conversationChange', fn[1]);
+    }
+    onConversationChangedHandlers = [];
+  },
+
+  // manage config
+  getConfig(): typeof CONFIG_DEFAULT {
+    const savedVal = JSON.parse(localStorage.getItem('config') || '{}');
+    // to prevent breaking changes in the future, we always provide default value for missing keys
+    return {
+      ...CONFIG_DEFAULT,
+      ...savedVal,
+    };
+  },
+  setConfig(config: typeof CONFIG_DEFAULT) {
+    localStorage.setItem('config', JSON.stringify(config));
+  },
+  getTheme(): string {
+    return localStorage.getItem('theme') || 'auto';
+  },
+  setTheme(theme: string) {
+    if (theme === 'auto') {
+      localStorage.removeItem('theme');
+    } else {
+      localStorage.setItem('theme', theme);
+    }
+  },
+};
+
+export default StorageUtils;
--- a/examples/server/webui/src/utils/types.ts
+++ b/examples/server/webui/src/utils/types.ts
@ -0,0 +1,36 @@
+export interface TimingReport {
+  prompt_n: number;
+  prompt_ms: number;
+  predicted_n: number;
+  predicted_ms: number;
+}
+
+export interface Message {
+  id: number;
+  role: 'user' | 'assistant' | 'system';
+  content: string;
+  timings?: TimingReport;
+}
+
+export type APIMessage = Pick<Message, 'role' | 'content'>;
+
+export interface Conversation {
+  id: string; // format: `conv-{timestamp}`
+  lastModified: number; // timestamp from Date.now()
+  messages: Message[];
+}
+
+export type PendingMessage = Omit<Message, 'content'> & {
+  content: string | null;
+};
+
+export enum CanvasType {
+  PY_INTERPRETER,
+}
+
+export interface CanvasPyInterpreter {
+  type: CanvasType.PY_INTERPRETER;
+  content: string;
+}
+
+export type CanvasData = CanvasPyInterpreter;
--- a/examples/server/webui/src/vite-env.d.ts
+++ b/examples/server/webui/src/vite-env.d.ts
@ -0,0 +1 @@
+/// <reference types="vite/client" />
--- a/examples/server/webui/tsconfig.app.json
+++ b/examples/server/webui/tsconfig.app.json
@ -0,0 +1,26 @@
+{
+  "compilerOptions": {
+    "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
+    "target": "ES2021",
+    "useDefineForClassFields": true,
+    "lib": ["ES2021", "DOM", "DOM.Iterable"],
+    "module": "ESNext",
+    "skipLibCheck": true,
+
+    /* Bundler mode */
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "isolatedModules": true,
+    "moduleDetection": "force",
+    "noEmit": true,
+    "jsx": "react-jsx",
+
+    /* Linting */
+    "strict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedSideEffectImports": true
+  },
+  "include": ["src"]
+}
--- a/examples/server/webui/tsconfig.json
+++ b/examples/server/webui/tsconfig.json
@ -0,0 +1,7 @@
+{
+  "files": [],
+  "references": [
+    { "path": "./tsconfig.app.json" },
+    { "path": "./tsconfig.node.json" }
+  ]
+}
--- a/examples/server/webui/tsconfig.node.json
+++ b/examples/server/webui/tsconfig.node.json
@ -0,0 +1,24 @@
+{
+  "compilerOptions": {
+    "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.node.tsbuildinfo",
+    "target": "ES2022",
+    "lib": ["ES2023"],
+    "module": "ESNext",
+    "skipLibCheck": true,
+
+    /* Bundler mode */
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "isolatedModules": true,
+    "moduleDetection": "force",
+    "noEmit": true,
+
+    /* Linting */
+    "strict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedSideEffectImports": true
+  },
+  "include": ["vite.config.ts"]
+}
--- a/examples/server/webui/vite.config.ts
+++ b/examples/server/webui/vite.config.ts
@ -1,8 +1,11 @@
-
+import { defineConfig, PluginOption } from 'vite';
+import react from '@vitejs/plugin-react';
 import { viteSingleFile } from 'vite-plugin-singlefile';
-import path from 'path';
-import fs from 'fs';
-import zlib from 'zlib';
+import path from 'node:path';
+import fs from 'node:fs';
+import zlib from 'node:zlib';
+
+/* eslint-disable */

 const MAX_BUNDLE_SIZE = 1.5 * 1024 * 1024; // only increase when absolutely necessary

@ -15,20 +18,26 @@ const GUIDE_FOR_FRONTEND = `
 -->
 `.trim();

+const FRONTEND_PLUGINS = [react()];
+
 const BUILD_PLUGINS = [
+  ...FRONTEND_PLUGINS,
  viteSingleFile(),
  (function llamaCppPlugin() {
-    let config;
+    let config: any;
    return {
      name: 'llamacpp:build',
      apply: 'build',
-      async configResolved(_config) {
+      async configResolved(_config: any) {
        config = _config;
      },
      writeBundle() {
        const outputIndexHtml = path.join(config.build.outDir, 'index.html');
-        const content = GUIDE_FOR_FRONTEND + '\n' + fs.readFileSync(outputIndexHtml, 'utf-8');
-        const compressed = zlib.gzipSync(Buffer.from(content, 'utf-8'), { level: 9 });
+        const content =
+          GUIDE_FOR_FRONTEND + '\n' + fs.readFileSync(outputIndexHtml, 'utf-8');
+        const compressed = zlib.gzipSync(Buffer.from(content, 'utf-8'), {
+          level: 9,
+        });

        // because gzip header contains machine-specific info, we must remove these data from the header
        // timestamp
@ -42,18 +51,30 @@ const BUILD_PLUGINS = [
        if (compressed.byteLength > MAX_BUNDLE_SIZE) {
          throw new Error(
            `Bundle size is too large (${Math.ceil(compressed.byteLength / 1024)} KB).\n` +
-            `Please reduce the size of the frontend or increase MAX_BUNDLE_SIZE in vite.config.js.\n`,
+              `Please reduce the size of the frontend or increase MAX_BUNDLE_SIZE in vite.config.js.\n`
          );
        }

-        const targetOutputFile = path.join(config.build.outDir, '../../public/index.html.gz');
+        const targetOutputFile = path.join(
+          config.build.outDir,
+          '../../public/index.html.gz'
+        );
        fs.writeFileSync(targetOutputFile, compressed);
-      }
-    }
+      },
+    } satisfies PluginOption;
  })(),
 ];

-/** @type {import('vite').UserConfig} */
-export default {
-  plugins: process.env.ANALYZE ? [] : BUILD_PLUGINS,
-};
+export default defineConfig({
+  // @ts-ignore
+  plugins: process.env.ANALYZE ? FRONTEND_PLUGINS : BUILD_PLUGINS,
+  server: {
+    proxy: {
+      '/v1': 'http://localhost:8080',
+    },
+    headers: {
+      'Cross-Origin-Embedder-Policy': 'require-corp',
+      'Cross-Origin-Opener-Policy': 'same-origin',
+    },
+  },
+});