Delete static

static/app.js

@@ -1,1020 +0,0 @@
-/* eslint-disable */
-/**
- * Gradio app bootstrap.
- *
- * The Python side injects window.HY_EXAMPLES / window.HY_I18N before this
- * script runs. The custom chat renderer (static/chat.js) owns all DOM
- * mutations under #hy-chat — this file only deals with the surrounding
- * UX (overlay, scroll, send-button state, copy/preview buttons).
- *
- * Responsibilities
- * ────────────────
- *   1. Render the empty-state "What can I help you with?" overlay above the
- *      chat surface, with example prompts that auto-send when clicked.
- *   2. Add a "▶ html preview" button below every Markdown HTML code block,
- *      and render the code in a sandboxed iframe modal.
- *   3. Add a "Copy" button to the top-right of every <pre> code block.
- *   4. Own scroll behaviour: follow-the-tail while streaming, full user
- *      control after streaming ends.
- *   5. OWN the Send-button busy state. The server NEVER toggles the
- *      button. Instead, the streaming generators in chat.py drive a
- *      dedicated hidden ``gr.HTML`` component (``#hy-busy-marker``):
- *      while streaming → it contains a single
- *      ``<span data-hy-streaming="1">``; on the final yield → it's
- *      idle. We observe that one component and disable Send iff the
- *      marker span is present.
- *
- *      The marker lives in its OWN component (not inside the chat) so
- *      unclosed ``<style>``/``<script>``/``<textarea>``/``<title>``/
- *      ``<noscript>`` in model output cannot hijack it.
- */
-(() => {
-  if (window.__HY_APP_INIT) return;
-  window.__HY_APP_INIT = true;
-
-  const EXAMPLES = (window.HY_EXAMPLES || []).slice();
-  const BUSY_MSG =
-    (window.HY_I18N && window.HY_I18N.model_busy) ||
-    "Model is still responding. Please wait for it to finish.";
-
-  // The chat surface lives at #hy-chat (built by static/chat.js into the
-  // value of the gr.HTML at #hy-chat-host). Throughout this file we treat
-  // #hy-chat as "the chatbot" — it's our custom replacement.
-  const CHAT_SELECTOR = "#hy-chat";
-
-  // CSS selector for the in-flight streaming marker. See chat.py
-  // (HY_BUSY_HTML) for the producer side.
-  const BUSY_MARKER_HOST_ID = "hy-busy-marker";
-  const STREAM_MARKER_SELECTOR =
-    '#' + BUSY_MARKER_HOST_ID + ' [data-hy-streaming="1"]';
-  // Explicit "server says idle" marker. Distinct from "no marker yet"
-  // (the host's initial empty value), so we can tell apart "still
-  // waiting for the first server frame" from "server already responded
-  // with idle" (e.g. validation short-circuit before any streaming).
-  const IDLE_MARKER_SELECTOR =
-    '#' + BUSY_MARKER_HOST_ID + ' [data-hy-busy="0"]';
-
-  // Set to ``performance.now()`` whenever the user clicks Send / hits Enter.
-  // Bridges the brief window between "user dispatched" and "first marker
-  // frame arrived" so a fast double-click can't sneak through.
-  let lastSendAt = 0;
-  const SEND_DEBOUNCE_MS = 400;
-
-  // Set to true the moment the user dispatches a send, cleared the moment
-  // either (a) the server's first busy-marker frame actually arrives, or
-  // (b) FIRST_FRAME_TIMEOUT_MS elapses (defensive timeout in case the
-  // request never lands — e.g. WebSocket dropped before the first frame).
-  //
-  // SEND_DEBOUNCE_MS alone is NOT enough: on a slow link the round-trip
-  // for the first frame can easily exceed 400ms and a second click slips
-  // through, causing two parallel streams (server-side concurrency_limit
-  // is 8 for the chat fn so the second request DOES run).
-  let awaitingFirstFrame = false;
-  const FIRST_FRAME_TIMEOUT_MS = 30 * 1000;
-
-  // Soft watchdog: if the busy marker is set but the chat DOM has been
-  // observably idle for this long AND it's been at least
-  // CHAT_IDLE_MIN_SINCE_SEND_MS since the user clicked Send, we force-
-  // clear the marker. Safety net for "the server's IDLE marker frame
-  // got coalesced/dropped on the wire".
-  //
-  // CHAT_IDLE_MS MUST be comfortably greater than the server-side
-  // ``_HEARTBEAT_INTERVAL`` (5s in core/chat.py). The watchdog is reset
-  // on every applied delta — including heartbeats with empty ops — so
-  // a healthy stream with periodic heartbeats keeps the timer well
-  // below the threshold. The margin guards against jitter in heartbeat
-  // arrival (proxy buffering, two-window contention slowing the
-  // server's first-content yield, etc.) so the watchdog only fires
-  // when the stream is actually dead.
-  const CHAT_IDLE_MS = 12000;
-  const CHAT_IDLE_MIN_SINCE_SEND_MS = 1500;
-
-  // Hard absolute cap. Defence-in-depth backstop in case the soft
-  // watchdog also fails for some reason.
-  const ABSOLUTE_BUSY_TIMEOUT_MS = 5 * 60 * 1000;
-
-  // Flipped to true on a real send dispatch so the scroll lock knows to
-  // re-enter follow mode for the next streaming turn even if the user had
-  // scrolled up during the previous turn.
-  let justSentNewMessage = false;
-
-  /* ── Chat mutation hub (rAF-batched) ──────────────────────��────────────
-   *
-   * The chat DOM gets HAMMERED during streaming: every new token may
-   * mutate the trailing streaming segment. With each subsystem
-   * (scroll lock, code-block injector, busy-marker timestamp,
-   * empty-state visibility) installing its OWN MutationObserver,
-   * the per-mutation work multiplied by the number of subsystems
-   * was the dominant browser-side cost as conversations grew.
-   *
-   * We run a single MutationObserver and dispatch to subscribers via
-   * requestAnimationFrame. This caps total dispatches at ≤60/sec
-   * regardless of how many mutations the chat fires, and lets each
-   * subscriber see the WHOLE batch of mutations in one call instead
-   * of being woken N times in the same tick.
-   *
-   * Subscribers MUST be cheap — the rAF callback is on the critical
-   * path of the next paint. */
-  const chatSubscribers = [];
-  let chatPending = null;
-  let chatScheduled = false;
-
-  function subscribeChatMutations(cb) {
-    chatSubscribers.push(cb);
-  }
-
-  function startChatMutationHub(chatEl) {
-    new MutationObserver((mutations) => {
-      if (chatPending === null) chatPending = [];
-      // Ref-share the records — they're owned by the observer and we
-      // don't mutate them, just iterate.
-      for (let i = 0; i < mutations.length; i++) {
-        chatPending.push(mutations[i]);
-      }
-      if (chatScheduled) return;
-      chatScheduled = true;
-      requestAnimationFrame(() => {
-        chatScheduled = false;
-        const batch = chatPending;
-        chatPending = null;
-        for (let i = 0; i < chatSubscribers.length; i++) {
-          try {
-            chatSubscribers[i](batch);
-          } catch (err) {
-            console.error("[hy] chat subscriber error:", err);
-          }
-        }
-      });
-    }).observe(chatEl, {
-      childList: true,
-      subtree: true,
-      characterData: true,
-    });
-  }
-
-  /* ── Empty-state examples overlay ─────────────────────────────────────── */
-  function createOverlay() {
-    const chatEl = document.querySelector(CHAT_SELECTOR);
-    if (!chatEl) {
-      setTimeout(createOverlay, 500);
-      return;
-    }
-    if (document.getElementById("examples-overlay")) return;
-
-    const overlay = document.createElement("div");
-    overlay.id = "examples-overlay";
-
-    const wrapper = document.createElement("div");
-    wrapper.className = "examples-wrapper";
-
-    const heading = document.createElement("p");
-    heading.className = "examples-heading";
-    heading.textContent =
-      (window.HY_I18N && window.HY_I18N.examples_heading) ||
-      "What can I help you with?";
-    wrapper.appendChild(heading);
-
-    const grid = document.createElement("div");
-    grid.className = "examples-grid";
-
-    // Example-button label.
-    //   * Collapse internal whitespace/newlines to single spaces so each
-    //     card flows as one paragraph; the CSS 2-line clamp on
-    //     .example-btn handles the visual cut-off + ellipsis.
-    //   * Hard cap at LABEL_MAX_CHARS as defence-in-depth — the prompts
-    //     can be multi-kilobyte system instructions and we don't want
-    //     all of that in the DOM just to be invisibly clamped.
-    //   * ``title`` shows the full text on hover.
-    // The FULL prompt is always what we dispatch to the model; this is
-    // a display-only transform.
-    const LABEL_MAX_CHARS = 200;
-    function makeLabel(text) {
-      const oneLine = String(text).replace(/\s+/g, " ").trim();
-      if (oneLine.length <= LABEL_MAX_CHARS) return oneLine;
-      return oneLine.slice(0, LABEL_MAX_CHARS).trimEnd() + "…";
-    }
-
-    EXAMPLES.forEach((text) => {
-      // Two-layer structure:
-      //   .example-btn       → flex container, owns size + centering
-      //   .example-btn-text  → -webkit-box, owns the 2-line clamp
-      // Splitting these is the only reliable way to get BOTH "vertical
-      // centering" (needs display:flex) AND "clamp to 2 lines with auto
-      // ellipsis" (needs display:-webkit-box) on the same card. Single-
-      // element setups force a choice and we always lost one.
-      const btn = document.createElement("div");
-      btn.className = "example-btn";
-      const inner = document.createElement("span");
-      inner.className = "example-btn-text";
-      inner.textContent = makeLabel(text);
-      btn.appendChild(inner);
-      btn.title = text;
-      btn.addEventListener("click", () => {
-        const textarea = document.querySelector(".msg-input textarea");
-        if (!textarea) return;
-        textarea.focus();
-        textarea.select();
-        document.execCommand("insertText", false, text);
-        setTimeout(() => {
-          const sendBtn = document.querySelector("#send-btn");
-          if (sendBtn) sendBtn.click();
-        }, 200);
-      });
-      grid.appendChild(btn);
-    });
-
-    wrapper.appendChild(grid);
-    overlay.appendChild(wrapper);
-
-    function positionOverlay() {
-      const r = chatEl.getBoundingClientRect();
-      overlay.style.top = `${r.top}px`;
-      overlay.style.left = `${r.left}px`;
-      overlay.style.width = `${r.width}px`;
-      overlay.style.height = `${r.height}px`;
-    }
-    positionOverlay();
-    document.body.appendChild(overlay);
-
-    function syncVisibility() {
-      const msgs = chatEl.querySelectorAll(".message-row");
-      overlay.style.display = msgs.length > 0 ? "none" : "";
-    }
-    syncVisibility();
-    subscribeChatMutations(syncVisibility);
-
-    window.addEventListener("resize", positionOverlay);
-    new ResizeObserver(positionOverlay).observe(chatEl);
-  }
-
-  /* ── HTML preview modal ───────────────────────────────────────────────── */
-  function openHtmlPreview(htmlCode) {
-    const existing = document.querySelector(".html-preview-overlay");
-    if (existing) existing.remove();
-
-    const overlay = document.createElement("div");
-    overlay.className = "html-preview-overlay";
-    overlay.addEventListener("click", (e) => {
-      if (e.target === overlay) overlay.remove();
-    });
-
-    const modal = document.createElement("div");
-    modal.className = "html-preview-modal";
-
-    const header = document.createElement("div");
-    header.className = "html-preview-header";
-
-    const title = document.createElement("span");
-    title.className = "html-preview-title";
-    title.textContent = "HTML Preview";
-
-    const closeBtn = document.createElement("button");
-    closeBtn.className = "html-preview-close";
-    closeBtn.innerHTML = "&times;";
-    closeBtn.addEventListener("click", () => overlay.remove());
-
-    header.appendChild(title);
-    header.appendChild(closeBtn);
-
-    const iframe = document.createElement("iframe");
-    iframe.className = "html-preview-iframe";
-    // Intentionally NOT including allow-same-origin: that would let the
-    // user-supplied HTML reach into the parent page and steal cookies/state.
-    iframe.sandbox = "allow-scripts allow-modals allow-forms allow-popups";
-
-    modal.appendChild(header);
-    modal.appendChild(iframe);
-    overlay.appendChild(modal);
-    document.body.appendChild(overlay);
-
-    iframe.srcdoc = htmlCode;
-
-    document.addEventListener("keydown", function escHandler(e) {
-      if (e.key === "Escape") {
-        overlay.remove();
-        document.removeEventListener("keydown", escHandler);
-      }
-    });
-  }
-
-  const HTML_TAG_RE =
-    /<\/(div|body|html|section|main|head|style|script|p|h[1-6]|span|table|form|ul|ol|nav|header|footer|article)>/i;
-
-  function looksLikeHtml(text) {
-    const trimmed = text.trim();
-    if (!trimmed) return false;
-    if (
-      trimmed.startsWith("<!DOCTYPE") ||
-      trimmed.startsWith("<!doctype") ||
-      trimmed.startsWith("<html")
-    ) {
-      return true;
-    }
-    return (
-      trimmed.startsWith("<") &&
-      trimmed.endsWith(">") &&
-      HTML_TAG_RE.test(trimmed)
-    );
-  }
-
-  function injectPreviewButtonFor(codeEl) {
-    // ``previewBtnInserted`` — set once on the codeEl after we attach a
-    // button. Must NEVER be set on a code element living inside
-    // ``.hy-streaming`` because that container's innerHTML is replaced
-    // on every delta — the codeEl gets discarded and a fresh one (no
-    // flag) appears, while the button (a sibling outside .hy-streaming)
-    // would silently leak. We only inject for code blocks that have
-    // settled into ``.hy-frozen`` (append-only, never re-rendered).
-    if (codeEl.dataset.previewBtnInserted) {
-      codeEl.__hyPreviewText = codeEl.textContent || "";
-      return;
-    }
-
-    const pre = codeEl.closest("pre");
-    if (!pre) return;
-
-    // Skip code blocks still in the streaming half. They'll be
-    // re-evaluated once the freeze boundary advances past them and the
-    // pre is moved into ``.hy-frozen`` as a fresh DOM node — at which
-    // point this MutationObserver fires again with the new pre as an
-    // added node and we inject exactly once.
-    const frozenAncestor = pre.closest(".hy-frozen");
-    if (!frozenAncestor) return;
-
-    const text = codeEl.textContent || "";
-    if (!looksLikeHtml(text)) return;
-
-    codeEl.dataset.previewBtnInserted = "true";
-    codeEl.__hyPreviewText = text;
-
-    const btn = document.createElement("button");
-    btn.className = "html-preview-btn";
-    btn.title = "Preview HTML";
-    btn.addEventListener("click", (e) => {
-      e.stopPropagation();
-      e.preventDefault();
-      openHtmlPreview(codeEl.__hyPreviewText || codeEl.textContent || "");
-    });
-
-    // Insert directly after the <pre> inside the same .hy-frozen
-    // container. This binds the button's lifecycle to the specific
-    // code block (instead of dumping all preview buttons into b.md as
-    // siblings of .hy-frozen / .hy-streaming) and keeps its position
-    // visually anchored to its source block.
-    pre.parentElement.insertBefore(btn, pre.nextSibling);
-  }
-
-  /* ── Code-block chrome (header w/ lang label + copy button) ───────────── */
-  function copyText(text) {
-    if (navigator.clipboard && navigator.clipboard.writeText) {
-      return navigator.clipboard.writeText(text).catch(() => fallbackCopy(text));
-    }
-    return fallbackCopy(text);
-  }
-
-  function fallbackCopy(text) {
-    return new Promise((resolve, reject) => {
-      try {
-        const ta = document.createElement("textarea");
-        ta.value = text;
-        ta.setAttribute("readonly", "");
-        ta.style.position = "absolute";
-        ta.style.left = "-9999px";
-        document.body.appendChild(ta);
-        ta.select();
-        document.execCommand("copy");
-        document.body.removeChild(ta);
-        resolve();
-      } catch (err) {
-        reject(err);
-      }
-    });
-  }
-
-  const COPY_ICON_SVG =
-    '<svg viewBox="0 0 24 24" width="14" height="14" fill="none" ' +
-    'stroke="currentColor" stroke-width="2" stroke-linecap="round" ' +
-    'stroke-linejoin="round" aria-hidden="true">' +
-    '<rect x="9" y="9" width="11" height="11" rx="2" ry="2"></rect>' +
-    '<path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"></path>' +
-    "</svg>";
-  const CHECK_ICON_SVG =
-    '<svg viewBox="0 0 24 24" width="14" height="14" fill="none" ' +
-    'stroke="currentColor" stroke-width="2.5" stroke-linecap="round" ' +
-    'stroke-linejoin="round" aria-hidden="true">' +
-    '<polyline points="4 12 10 18 20 6"></polyline>' +
-    "</svg>";
-
-  // Pull the language label off the <code> element. ``marked`` always
-  // emits ``class="language-X"`` from the fence info string, and
-  // ``hljs.highlightElement`` may also add ``language-X`` after detection.
-  // Anything else (no fence info, hljs failed) → blank label so the
-  // header still renders consistently.
-  function detectCodeLang(codeEl) {
-    const cls = codeEl.className || "";
-    const m = cls.match(/(?:^|\s)language-([\w+#.-]+)/i);
-    if (!m) return "";
-    const lang = m[1].toLowerCase();
-    // A few common aliases for nicer display.
-    const ALIASES = {
-      js: "javascript",
-      ts: "typescript",
-      sh: "shell",
-      bash: "shell",
-      zsh: "shell",
-      yml: "yaml",
-      md: "markdown",
-      "c++": "cpp",
-    };
-    return ALIASES[lang] || lang;
-  }
-
-  const COPY_LABEL =
-    (window.HY_I18N && window.HY_I18N.code_copy) || "Copy";
-  const COPIED_LABEL =
-    (window.HY_I18N && window.HY_I18N.code_copied) || "Copied";
-
-  function injectCopyButtonFor(codeEl) {
-    const pre = codeEl.closest("pre");
-    if (!pre || pre.dataset.copyInjected) return;
-    pre.dataset.copyInjected = "true";
-
-    // ── Build the wrapper card ────────────────────────────────────────
-    const wrapper = document.createElement("div");
-    wrapper.className = "hy-codeblock";
-
-    const header = document.createElement("div");
-    header.className = "hy-codeblock-header";
-
-    const lang = document.createElement("span");
-    lang.className = "hy-codeblock-lang";
-    lang.textContent = detectCodeLang(codeEl);
-    header.appendChild(lang);
-
-    const btn = document.createElement("button");
-    btn.type = "button";
-    btn.className = "code-copy-btn";
-    btn.setAttribute("aria-label", COPY_LABEL);
-    btn.title = COPY_LABEL;
-    btn.innerHTML = COPY_ICON_SVG;
-
-    let resetTimer = null;
-    btn.addEventListener("click", (e) => {
-      e.stopPropagation();
-      e.preventDefault();
-      const text = codeEl.textContent || "";
-      copyText(text).then(
-        () => {
-          btn.innerHTML = CHECK_ICON_SVG;
-          btn.classList.add("copied");
-          btn.title = COPIED_LABEL;
-          if (resetTimer) clearTimeout(resetTimer);
-          resetTimer = setTimeout(() => {
-            btn.innerHTML = COPY_ICON_SVG;
-            btn.classList.remove("copied");
-            btn.title = COPY_LABEL;
-          }, 1400);
-        },
-        () => {
-          btn.title = "Copy failed";
-          if (resetTimer) clearTimeout(resetTimer);
-          resetTimer = setTimeout(() => {
-            btn.title = COPY_LABEL;
-          }, 1400);
-        }
-      );
-    });
-    header.appendChild(btn);
-
-    // ── Splice wrapper into the DOM around <pre> ─────────────────────
-    // Insert the wrapper where <pre> lived, then move <pre> into it.
-    // The mutation observer that drives this function will re-fire for
-    // the wrapper's appearance, but ``dataset.copyInjected`` on <pre>
-    // makes the second pass a no-op.
-    const parent = pre.parentElement;
-    if (!parent) return;
-    parent.insertBefore(wrapper, pre);
-    wrapper.appendChild(header);
-    wrapper.appendChild(pre);
-  }
-
-  function processCodeBlock(codeEl) {
-    injectCopyButtonFor(codeEl);
-    injectPreviewButtonFor(codeEl);
-  }
-
-  function watchForHtmlBlocks() {
-    const chatEl = document.querySelector(CHAT_SELECTOR);
-    if (!chatEl) {
-      setTimeout(watchForHtmlBlocks, 500);
-      return;
-    }
-
-    chatEl.querySelectorAll("pre code").forEach(processCodeBlock);
-
-    // Subscribers receive the whole rAF batch in one call. Within a
-    // single batch the same code element may appear in many records
-    // (one per streamed token); we de-dup with a Set so we only
-    // re-evaluate ``injectPreviewButtonFor`` ONCE per affected code
-    // element per frame instead of once per mutation.
-    subscribeChatMutations((mutations) => {
-      const codeElsToCheck = new Set();
-      for (let i = 0; i < mutations.length; i++) {
-        const m = mutations[i];
-        if (m.type === "childList") {
-          const added = m.addedNodes;
-          for (let j = 0; j < added.length; j++) {
-            const node = added[j];
-            if (!(node instanceof HTMLElement)) continue;
-            if (node.matches && node.matches("pre code")) {
-              processCodeBlock(node);
-            } else if (node.querySelectorAll) {
-              const found = node.querySelectorAll("pre code");
-              for (let k = 0; k < found.length; k++) {
-                processCodeBlock(found[k]);
-              }
-            }
-          }
-        } else if (m.type === "characterData") {
-          const el = m.target.parentElement;
-          if (el && el.tagName === "CODE") codeElsToCheck.add(el);
-        }
-      }
-      // Late-arriving HTML detection: a code block may not have looked
-      // like HTML when first added but does now that more tokens have
-      // streamed in. injectPreviewButtonFor is idempotent so calling it
-      // again is safe and cheap.
-      codeElsToCheck.forEach(injectPreviewButtonFor);
-    });
-  }
-
-  /* ── Send button: helpers ─────────────────────────────────────────────── */
-  function getSendButton() {
-    const wrap = document.querySelector("#send-btn");
-    if (!wrap) return null;
-    if (wrap.tagName === "BUTTON") return wrap;
-    return wrap.querySelector("button");
-  }
-
-  function setSendDisabled(disabled) {
-    const btn = getSendButton();
-    if (!btn) return;
-    if (disabled) {
-      if (!btn.disabled) {
-        btn.setAttribute("disabled", "");
-        btn.disabled = true;
-      }
-    } else {
-      if (btn.disabled || btn.hasAttribute("disabled")) {
-        btn.removeAttribute("disabled");
-        btn.disabled = false;
-      }
-    }
-  }
-
-  function streamMarkerPresent() {
-    return !!document.querySelector(STREAM_MARKER_SELECTOR);
-  }
-
-  function idleMarkerPresent() {
-    return !!document.querySelector(IDLE_MARKER_SELECTOR);
-  }
-
-  function isModelBusy() {
-    const now = performance.now();
-    // Awaiting the server's first frame after a dispatch — must remain
-    // busy regardless of marker state, with a hard timeout to avoid a
-    // permanently-stuck button if the request silently failed.
-    if (awaitingFirstFrame && now - lastSendAt < FIRST_FRAME_TIMEOUT_MS) {
-      return true;
-    }
-    if (now - lastSendAt < SEND_DEBOUNCE_MS) return true;
-    return streamMarkerPresent();
-  }
-
-  /* ── Busy toast ───────────────────────────────────────────────────────── */
-  function ensureBusyToastHost() {
-    let host = document.getElementById("hy-busy-toast-host");
-    if (host) return host;
-    host = document.createElement("div");
-    host.id = "hy-busy-toast-host";
-    Object.assign(host.style, {
-      position: "fixed",
-      top: "24px",
-      left: "50%",
-      transform: "translateX(-50%)",
-      zIndex: "9999",
-      display: "flex",
-      flexDirection: "column",
-      gap: "8px",
-      pointerEvents: "none",
-    });
-    document.body.appendChild(host);
-    return host;
-  }
-
-  let lastToastAt = 0;
-  function showBusyToast() {
-    const now = performance.now();
-    if (now - lastToastAt < 800) return;
-    lastToastAt = now;
-
-    const host = ensureBusyToastHost();
-    const toast = document.createElement("div");
-    toast.className = "hy-busy-toast";
-    toast.textContent = BUSY_MSG;
-    Object.assign(toast.style, {
-      background: "#1f2937",
-      color: "#fff",
-      padding: "10px 16px",
-      borderRadius: "8px",
-      boxShadow: "0 6px 20px rgba(0,0,0,0.25)",
-      fontSize: "14px",
-      maxWidth: "min(92vw, 520px)",
-      lineHeight: "1.4",
-      opacity: "0",
-      transition: "opacity 180ms ease",
-      pointerEvents: "none",
-    });
-    host.appendChild(toast);
-    requestAnimationFrame(() => {
-      toast.style.opacity = "1";
-    });
-    setTimeout(() => {
-      toast.style.opacity = "0";
-      setTimeout(() => toast.remove(), 250);
-    }, 3200);
-  }
-
-  /* ── Send-button busy guard ───────────────────────────────────────────── */
-  // Three-layer disable signal, in priority order:
-  //
-  //   1. SEND_DEBOUNCE_MS round-trip window after the user dispatched
-  //      → disabled (prevents fast double-click before first server
-  //      frame arrives).
-  //   2. #hy-busy-marker contains [data-hy-streaming="1"]
-  //      → disabled (server is actively streaming).
-  //   3. Chat DOM has been *completely* idle for CHAT_IDLE_MS AND
-  //      we're past CHAT_IDLE_MIN_SINCE_SEND_MS since dispatch
-  //      → soft override: force-clear the marker and enable. Safety
-  //      net for "the server's IDLE marker frame was lost on the
-  //      wire".
-  let busyStartedAt = 0;
-  let lastChatMutationAt = 0;
-
-  function syncSendButtonState() {
-    const marker = streamMarkerPresent();
-    const now = performance.now();
-
-    if (marker) {
-      // First server frame has arrived — stop relying on the dispatch
-      // timer and hand over to the marker as the source of truth.
-      awaitingFirstFrame = false;
-      if (busyStartedAt === 0) busyStartedAt = now;
-
-      const sinceSend = now - lastSendAt;
-      const sinceMutation = now - lastChatMutationAt;
-      if (
-        lastSendAt > 0 &&
-        sinceSend > CHAT_IDLE_MIN_SINCE_SEND_MS &&
-        sinceMutation > CHAT_IDLE_MS
-      ) {
-        console.warn(
-          "[hy] Marker stuck while chat DOM idle for",
-          (sinceMutation / 1000).toFixed(1),
-          "s — force-clearing (server IDLE frame likely lost)."
-        );
-        document.querySelectorAll(STREAM_MARKER_SELECTOR).forEach((el) => {
-          el.removeAttribute("data-hy-streaming");
-        });
-        busyStartedAt = 0;
-        setSendDisabled(false);
-        return;
-      }
-
-      if (now - busyStartedAt > ABSOLUTE_BUSY_TIMEOUT_MS) {
-        console.warn(
-          "[hy] Stream marker stuck >",
-          ABSOLUTE_BUSY_TIMEOUT_MS / 1000,
-          "s — force-enabling Send."
-        );
-        document.querySelectorAll(STREAM_MARKER_SELECTOR).forEach((el) => {
-          el.removeAttribute("data-hy-streaming");
-        });
-        busyStartedAt = 0;
-        setSendDisabled(false);
-        return;
-      }
-
-      setSendDisabled(true);
-      return;
-    }
-
-    busyStartedAt = 0;
-
-    // Marker is idle. We may still be waiting for the FIRST frame after
-    // a freshly-dispatched send: keep the button disabled so a second
-    // click can't slip through during the initial request round-trip.
-    if (awaitingFirstFrame) {
-      // If the marker host explicitly contains the IDLE marker, the
-      // server has already responded — typically a short-circuit path
-      // like the functions-JSON validation failure in send_message,
-      // which yields HY_IDLE_HTML without ever yielding HY_BUSY_HTML.
-      // Without this branch, awaitingFirstFrame would stay set until
-      // FIRST_FRAME_TIMEOUT_MS (30s), causing the next Enter/click to
-      // wrongly trigger the "model is busy" toast.
-      if (idleMarkerPresent()) {
-        awaitingFirstFrame = false;
-      } else if (now - lastSendAt > FIRST_FRAME_TIMEOUT_MS) {
-        console.warn(
-          "[hy] First-frame timeout — re-enabling Send (request likely failed)."
-        );
-        awaitingFirstFrame = false;
-        setSendDisabled(false);
-        return;
-      } else {
-        setSendDisabled(true);
-        return;
-      }
-    }
-
-    if (now - lastSendAt < SEND_DEBOUNCE_MS) {
-      setSendDisabled(true);
-      return;
-    }
-    setSendDisabled(false);
-  }
-
-  function installBusyGuard() {
-    const sendBtn = document.querySelector("#send-btn");
-    const textarea = document.querySelector(".msg-input textarea");
-    const markerHost = document.getElementById(BUSY_MARKER_HOST_ID);
-    const chatEl = document.querySelector(CHAT_SELECTOR);
-    if (!sendBtn || !textarea || !markerHost || !chatEl) {
-      setTimeout(installBusyGuard, 500);
-      return;
-    }
-
-    // Track chat DOM activity for the soft watchdog above. ANY mutation
-    // refreshes the timestamp — including post-stream KaTeX/highlight
-    // injection — because if anything is still rendering the streaming
-    // MIGHT not be over yet. The watchdog only fires after a long quiet
-    // period.
-    lastChatMutationAt = performance.now();
-    subscribeChatMutations(() => {
-      lastChatMutationAt = performance.now();
-    });
-
-    // Heartbeats — the server emits an empty-ops delta every ~5s during
-    // long thinking pauses to keep the SSE/WebSocket connection alive
-    // (see ``_HEARTBEAT_INTERVAL`` in core/chat.py). Empty-ops deltas
-    // do NOT mutate ``#hy-chat`` so the MutationObserver above never
-    // sees them, but they DO trigger the ``hy-chat:updated`` event that
-    // applyDelta dispatches on every payload. Without this listener the
-    // watchdog would mistakenly fire during legitimate thinking pauses
-    // (especially with two windows in flight, where the per-request
-    // first-content latency is higher) and unlock Send while the stream
-    // is still running — letting the user dispatch a duplicate turn.
-    chatEl.addEventListener("hy-chat:updated", () => {
-      lastChatMutationAt = performance.now();
-    });
-
-    // Block clicks while busy. Capture phase + stopImmediatePropagation
-    // ensures Gradio's own bubble-phase click handler never sees the
-    // event when we want to reject it.
-    //
-    // CRITICAL: in the NOT-busy path we do NOT call setSendDisabled(true)
-    // here. Gradio's Svelte Button checks ``this.disabled`` inside its
-    // own click handler that runs AFTER ours; if we flip the disabled
-    // attribute synchronously in capture, the actual send request is
-    // silently swallowed.
-    // Disable the Send button on the NEXT tick (after Gradio's own
-    // bubble-phase click handler has run and dispatched the request).
-    // We can't disable synchronously in capture or Gradio's Svelte
-    // Button checks ``this.disabled`` and silently swallows the send.
-    function lockSendAfterDispatch() {
-      setTimeout(() => {
-        setSendDisabled(true);
-      }, 0);
-    }
-
-    sendBtn.addEventListener(
-      "click",
-      (e) => {
-        if (isModelBusy()) {
-          e.preventDefault();
-          e.stopImmediatePropagation();
-          e.stopPropagation();
-          showBusyToast();
-          return;
-        }
-        lastSendAt = performance.now();
-        awaitingFirstFrame = true;
-        justSentNewMessage = true;
-        lockSendAfterDispatch();
-      },
-      true
-    );
-
-    // Same logic for Enter-to-submit on the textarea. Gradio's
-    // Textbox.submit fires regardless of the Send button's disabled
-    // state, so we ALSO need this gate.
-    textarea.addEventListener(
-      "keydown",
-      (e) => {
-        if (e.key !== "Enter" || e.shiftKey || e.isComposing) return;
-        if (isModelBusy()) {
-          e.preventDefault();
-          e.stopImmediatePropagation();
-          e.stopPropagation();
-          showBusyToast();
-          return;
-        }
-        lastSendAt = performance.now();
-        awaitingFirstFrame = true;
-        justSentNewMessage = true;
-        lockSendAfterDispatch();
-      },
-      true
-    );
-
-    // Drive the busy state from mutations of the dedicated marker host.
-    // Tiny subtree (one component, one inner span at most) so this is
-    // essentially free.
-    new MutationObserver(syncSendButtonState).observe(markerHost, {
-      childList: true,
-      subtree: true,
-      characterData: true,
-      attributes: true,
-      attributeFilter: ["data-hy-streaming", "data-hy-busy"],
-    });
-
-    // Slow heartbeat in case the MutationObserver misses something.
-    setInterval(syncSendButtonState, 500);
-
-    // Initial sync.
-    syncSendButtonState();
-  }
-
-  /* ── Follow-the-tail scroller ─────────────────────────────────────────── */
-  // Design (simple & robust):
-  //   * ``follow`` mirrors "user is currently near the bottom of the
-  //     chat". It is updated on EVERY scroll event — both user-driven
-  //     and programmatic — because after our own ``scrollToBottom`` the
-  //     position IS at the bottom, so follow stays true automatically.
-  //   * When the user scrolls UP, the very next scroll event flips
-  //     follow to false; subsequent mutations don't re-pin the view.
-  //   * When the user is actively scrolling (wheel / touchmove /
-  //     scroll-key) we briefly pause programmatic scrolling so we don't
-  //     fight their fingers; once they let go (no gesture for
-  //     USER_QUIET_MS) auto-follow resumes if they ended near bottom.
-  //   * Two redundant triggers ensure we never miss a delta: the global
-  //     chat MutationObserver AND the explicit ``hy-chat:updated``
-  //     custom event dispatched by static/chat.js after each delta is
-  //     applied.
-  function installScrollLock() {
-    const chatEl = document.querySelector(CHAT_SELECTOR);
-    if (!chatEl) {
-      setTimeout(installScrollLock, 500);
-      return;
-    }
-
-    const NEAR_BOTTOM_PX = 100;
-    const USER_QUIET_MS = 120;
-
-    let scrollable = null;
-    let follow = true;
-    let lastUserGestureAt = 0;
-
-    function markUserGesture() {
-      lastUserGestureAt = performance.now();
-    }
-    window.addEventListener("wheel", markUserGesture, {
-      passive: true,
-      capture: true,
-    });
-    window.addEventListener("touchmove", markUserGesture, {
-      passive: true,
-      capture: true,
-    });
-    const SCROLL_KEYS = new Set([
-      "ArrowUp",
-      "ArrowDown",
-      "PageUp",
-      "PageDown",
-      "Home",
-      "End",
-      "Space",
-      " ",
-    ]);
-    window.addEventListener(
-      "keydown",
-      (e) => {
-        if (SCROLL_KEYS.has(e.key)) markUserGesture();
-      },
-      { capture: true }
-    );
-
-    function isNearBottom(el) {
-      return el.scrollHeight - el.scrollTop - el.clientHeight < NEAR_BOTTOM_PX;
-    }
-
-    function onScroll() {
-      if (!scrollable) return;
-      // Always reflect the current viewport state. After programmatic
-      // scrollToBottom the position IS at the bottom, so follow=true.
-      // After user scrolls up, follow flips to false on the very next
-      // scroll event. Simple and self-correcting.
-      follow = isNearBottom(scrollable);
-    }
-
-    function scrollToBottom() {
-      if (!scrollable) return;
-      // Don't fight an active user gesture. Once they stop (>120ms of
-      // silence) we'll catch up on the very next mutation OR custom
-      // event — both of which fire for every streamed delta.
-      if (performance.now() - lastUserGestureAt < USER_QUIET_MS) return;
-      const target = scrollable.scrollHeight - scrollable.clientHeight;
-      if (target > scrollable.scrollTop) scrollable.scrollTop = target;
-    }
-
-    function findScrollable() {
-      // Our chat element IS itself the scrollable container (see
-      // _chat.css). Attach to it eagerly even before content overflows
-      // so we catch the first scroll event the moment overflow appears.
-      const s = getComputedStyle(chatEl);
-      if (s.overflowY === "auto" || s.overflowY === "scroll") return chatEl;
-      // Fallback for unexpected layouts: walk the subtree.
-      const candidates = chatEl.querySelectorAll("*");
-      for (const el of candidates) {
-        const cs = getComputedStyle(el);
-        if (cs.overflowY === "auto" || cs.overflowY === "scroll") {
-          if (el.scrollHeight > el.clientHeight + 4) return el;
-        }
-      }
-      return chatEl;
-    }
-
-    function attach(el) {
-      if (scrollable === el) return;
-      if (scrollable) scrollable.removeEventListener("scroll", onScroll);
-      scrollable = el;
-      el.addEventListener("scroll", onScroll, { passive: true });
-      if (follow) scrollToBottom();
-    }
-
-    // Attach immediately — chat.js may not have any content yet but the
-    // element exists, so we can already wire the scroll listener.
-    attach(findScrollable());
-
-    function tick() {
-      if (justSentNewMessage) {
-        follow = true;
-        justSentNewMessage = false;
-      }
-      if (!scrollable || !document.contains(scrollable)) {
-        attach(findScrollable());
-      }
-      if (scrollable && follow) {
-        scrollToBottom();
-      }
-    }
-
-    // Trigger 1: the global chat MutationObserver hub. Catches every
-    // DOM change under #hy-chat (delta-driven appends, frozen flush,
-    // streaming innerHTML swaps, post-stream highlight injection).
-    subscribeChatMutations(tick);
-
-    // Trigger 2: the explicit ``hy-chat:updated`` event dispatched by
-    // static/chat.js at the end of every applyDelta. Belt-and-braces
-    // in case some pathological mutation pattern slips past the rAF
-    // batcher above.
-    chatEl.addEventListener("hy-chat:updated", tick);
-
-    // Trigger 3: window resize can change clientHeight which makes the
-    // previous "at bottom" position no longer at bottom. Re-pin.
-    window.addEventListener("resize", () => {
-      if (scrollable && follow) scrollToBottom();
-    });
-  }
-
-  /* ── kick off ─────────────────────────────────────────────────────────── */
-  function bootstrap() {
-    const chatEl = document.querySelector(CHAT_SELECTOR);
-    if (!chatEl) {
-      // chat.js renders #hy-chat into the gr.HTML wrapper; until that
-      // happens we can't install observers. Retry until ready —
-      // subsystems below all guard for the same node themselves but
-      // the mutation hub MUST be running before they install their
-      // subscribers — otherwise early mutations would be missed.
-      setTimeout(bootstrap, 200);
-      return;
-    }
-    startChatMutationHub(chatEl);
-    createOverlay();
-    watchForHtmlBlocks();
-    installScrollLock();
-    installBusyGuard();
-  }
-  setTimeout(bootstrap, 800);
-})();

static/chat.js

@@ -1,759 +0,0 @@
-/* eslint-disable */
-/**
- * Hy3 custom chat renderer.
- *
- * The DOM under ``#hy-chat`` is owned exclusively by this module —
- * nothing in Gradio touches it. The server pushes JSON deltas via the
- * hidden ``#hy-chat-delta`` ``gr.HTML`` component; we observe its
- * mutations, parse, and apply each op to the chat container.
- *
- * Design notes
- * ────────────
- *   1. Append-only DOM. Each new bubble is its own ``.message-row``.
- *      The browser's per-row layout/paint isolation (``contain`` +
- *      ``content-visibility`` from ``_perf.css``) keeps rendering cost
- *      O(visible) regardless of conversation length.
- *
- *   2. Frozen / streaming split inside each assistant bubble. As content
- *      streams in, every paragraph (or fenced code / display math) that
- *      has CLOSED gets rendered ONCE into a stable ``.hy-frozen`` DOM
- *      subtree and never touched again — KaTeX, ``marked``, and the
- *      syntax highlighter all run exactly once per closed block. Only
- *      the trailing in-progress paragraph re-renders on each delta,
- *      and that block is small. As a result already-rendered formulas
- *      never flicker / re-layout mid-stream.
- *
- *   3. Wire payload is ~just the new characters. A 100-char delta is
- *      ~150 bytes on the wire, so WebSocket back-pressure essentially
- *      goes away.
- *
- * Op contract — keep in sync with chat.py:
- *
- *   {type: "reset"}
- *   {type: "user", text: "..."}
- *   {type: "assistant_begin", id: "a-N"}
- *   {type: "reasoning_delta", id: "a-N", delta: "..."}
- *   {type: "content_delta",   id: "a-N", delta: "...", thinking_done?: bool}
- *   {type: "assistant_end",   id: "a-N"}
- *   {type: "tool_call",       id: "a-N", markdown: "..."}
- *   {type: "remove_bubble",   id: "a-N"}
- */
-(() => {
-  if (window.__HY_CHAT_INIT) return;
-  window.__HY_CHAT_INIT = true;
-
-  // ─── State ─────────────────────────────────────────────────────────────
-  const state = {
-    host: null,            // <div id="hy-chat">
-    bubbles: new Map(),    // bubble_id -> bubble record (see ensureBubble)
-    lastSeq: 0,            // de-dup gate against re-fires of the same payload
-    // Current chat epoch — bumped server-side every time the user clicks
-    // "+" / new_chat. Each delta payload carries the epoch it was
-    // produced under; deltas whose epoch doesn't match ours are dropped
-    // (they're tail bytes from a stream the user already abandoned).
-    // Initialised lazily from the first payload that arrives so legacy
-    // payloads without an epoch field still apply.
-    currentEpoch: null,
-  };
-
-  // ─── DOM helpers ───────────────────────────────────────────────────────
-  function ensureHost() {
-    if (state.host && document.contains(state.host)) return state.host;
-    state.host = document.getElementById("hy-chat");
-    return state.host;
-  }
-
-  function escapeHtml(s) {
-    return String(s)
-      .replace(/&/g, "&amp;")
-      .replace(/</g, "&lt;")
-      .replace(/>/g, "&gt;")
-      .replace(/"/g, "&quot;")
-      .replace(/'/g, "&#39;");
-  }
-
-  // ─── Markdown + math renderer ──────────────────────────────────────────
-  // We DELIBERATELY do not sanitize here. The rest of the app depends
-  // on the model being able to emit raw HTML (e.g.
-  // <details class="thinking-block">, the HTML-preview workflow on raw
-  // HTML code blocks). The model is trusted output for this product
-  // surface; if that ever changes, swap marked for a sanitizing parser
-  // like markdown-it + DOMPurify.
-  const MARKED_OPTS = { gfm: true, breaks: false };
-
-  const KATEX_DELIMS = [
-    { left: "$$", right: "$$", display: true },
-    { left: "$", right: "$", display: false },
-    // We pre-convert \[…\] / \(…\) → $$…$$ / $…$ via normalizeMathDelims
-    // BEFORE marked.parse runs (see below) — so the auto-render scan
-    // never needs to worry about them. They are NOT listed here on
-    // purpose: marked treats ``\[`` and ``\(`` as backslash escapes
-    // and silently drops the leading ``\`` in the rendered HTML, so by
-    // the time KaTeX scans the DOM the original bracket delimiters are
-    // already gone. Pre-conversion is the only reliable fix.
-  ];
-
-  // ─── Math handling: two-stage pipeline ────────────────────────────────
-  //
-  // The model emits LaTeX in any of four delimiter styles: ``$$…$$``,
-  // ``\[…\]``, ``$…$``, ``\(…\)``. We need KaTeX (via auto-render) to
-  // pick all of them up while still letting ``marked.parse`` handle the
-  // surrounding markdown.
-  //
-  // Two problems block the naïve approach:
-  //
-  //   1. ``marked`` treats ``\[``, ``\]``, ``\(``, ``\)`` as backslash
-  //      escapes and silently drops the ``\``. By the time KaTeX scans
-  //      the rendered HTML the bracket delimiters are gone.
-  //
-  //   2. Even inside ``$$…$$``, ``marked`` strips backslashes before
-  //      ``\{``, ``\}``, ``\_``, etc. — so things like ``\{(0:0:1:0)\}``
-  //      lose their literal-brace escapes and KaTeX renders an empty
-  //      group instead of the intended literal braces.
-  //
-  // The fix is two passes that together keep marked away from the math
-  // content:
-  //
-  //   Stage A — ``normalizeMathDelims`` converts ``\[/\]`` → ``$$`` and
-  //   ``\(/\)`` → ``$`` OUTSIDE fenced/inline code blocks. After this
-  //   pass every math region is delimited with dollars.
-  //
-  //   Stage B — ``protectMath`` extracts every ``$$…$$`` / ``$…$`` from
-  //   the text and replaces it with a unique placeholder token (a NUL
-  //   character that ``marked`` will leave alone). After ``marked.parse``
-  //   we substitute the original math source back in. ``ignoredTags``
-  //   already keeps KaTeX out of ``<pre>``/``<code>``, so the only
-  //   regions that end up containing dollars in the rendered HTML are
-  //   the math ones — exactly what we want.
-  //
-  // The placeholder uses NUL as a delimiter because ``marked`` cannot
-  // produce a literal NUL on its own (every input source we'd see is
-  // valid Unicode text without NULs), so the ``restoreMath`` regex is
-  // unambiguous.
-  function normalizeMathDelims(text) {
-    if (!text) return text;
-    let out = "";
-    let i = 0;
-    const n = text.length;
-    while (i < n) {
-      const ch = text[i];
-
-      // Triple-backtick or triple-tilde fenced block — passthrough until
-      // matching closing fence on its own (or anywhere on a) line.
-      if ((ch === "`" && text.startsWith("```", i)) ||
-          (ch === "~" && text.startsWith("~~~", i))) {
-        const marker = text.substr(i, 3);
-        out += marker;
-        i += 3;
-        const close = text.indexOf(marker, i);
-        if (close < 0) {
-          // Unclosed fence — emit rest verbatim and stop.
-          out += text.slice(i);
-          return out;
-        }
-        out += text.slice(i, close + 3);
-        i = close + 3;
-        continue;
-      }
-
-      // Inline code: single or double backticks, ended by the same run
-      // length. Common case is a single backtick.
-      if (ch === "`") {
-        let runLen = 1;
-        while (i + runLen < n && text[i + runLen] === "`") runLen++;
-        const open = text.substr(i, runLen);
-        out += open;
-        i += runLen;
-        const close = text.indexOf(open, i);
-        if (close < 0) {
-          out += text.slice(i);
-          return out;
-        }
-        out += text.slice(i, close + runLen);
-        i = close + runLen;
-        continue;
-      }
-
-      // Backslash-bracket / backslash-paren delimiters. Must be the
-      // FIRST conversion check after the code-fence skip so we don't
-      // mistake e.g. ``\[`` inside a code fence for math.
-      if (ch === "\\") {
-        if (text[i + 1] === "[") { out += "$$"; i += 2; continue; }
-        if (text[i + 1] === "]") { out += "$$"; i += 2; continue; }
-        if (text[i + 1] === "(") { out += "$";  i += 2; continue; }
-        if (text[i + 1] === ")") { out += "$";  i += 2; continue; }
-      }
-
-      out += ch;
-      i++;
-    }
-    return out;
-  }
-
-  // Inline math regex requires the opening ``$`` to be IMMEDIATELY
-  // followed by a non-space, non-``$`` char (avoids matching prices like
-  // ``I have $5 and $10``) and the closing ``$`` to be IMMEDIATELY
-  // preceded by a non-space, non-``$`` char. Display math (``$$…$$``)
-  // is matched first (the alternative is left-most-greedy in a JS
-  // regex, but with non-greedy bodies and ``$$`` being a longer prefix
-  // it wins ties naturally).
-  const MATH_RE = /\$\$[\s\S]+?\$\$|\$(?=[^\s$])[^\n$]*?(?<=[^\s$])\$/g;
-
-  function protectMath(text) {
-    const stash = [];
-    const escaped = text.replace(MATH_RE, (m) => {
-      const idx = stash.length;
-      stash.push(m);
-      return `\u0000M${idx}\u0000`;
-    });
-    return { escaped, stash };
-  }
-
-  function restoreMath(html, stash) {
-    if (!stash.length) return html;
-    return html.replace(/\u0000M(\d+)\u0000/g, (_, n) => stash[+n]);
-  }
-
-  function renderMarkdownInto(el, text) {
-    if (!text) {
-      el.innerHTML = "";
-      return;
-    }
-    const normalized = normalizeMathDelims(text);
-    const { escaped, stash } = protectMath(normalized);
-    const rawMd = (window.marked && window.marked.parse)
-      ? window.marked.parse(escaped, MARKED_OPTS)
-      : escapeHtml(escaped);
-    el.innerHTML = restoreMath(rawMd, stash);
-
-    // Math
-    if (window.renderMathInElement) {
-      try {
-        window.renderMathInElement(el, {
-          delimiters: KATEX_DELIMS,
-          throwOnError: false,
-          // Skip math-detection inside elements that should never contain
-          // math (matches KaTeX auto-render defaults).
-          ignoredTags: ["script", "noscript", "style", "textarea", "pre", "code"],
-        });
-      } catch (err) {
-        console.warn("[hy-chat] katex render error:", err);
-      }
-    }
-
-    // Syntax highlighting (idempotent if hljs not loaded yet)
-    if (window.hljs && window.hljs.highlightElement) {
-      const codes = el.querySelectorAll("pre code");
-      for (let i = 0; i < codes.length; i++) {
-        const c = codes[i];
-        if (c.dataset.hljsDone) continue;
-        try {
-          window.hljs.highlightElement(c);
-        } catch (err) {
-          // hljs throws if the language is unknown — harmless, ignore.
-        }
-        c.dataset.hljsDone = "1";
-      }
-    }
-  }
-
-  // ─── Frozen / streaming split ──────────────────────────────────────────
-  // Find the highest "safe" boundary in the current content buffer up to
-  // which we can freeze the rendered DOM and never touch it again. A
-  // boundary is safe iff the markdown above it forms a complete set of
-  // top-level blocks — i.e. we are NOT inside an open fenced code block
-  // (``` / ~~~), display math ($$), or LaTeX env (\begin{…}).
-  //
-  // Returns the index in ``text`` immediately after the last safe block
-  // separator (\n\n).
-  function findFreezeBoundary(text) {
-    const len = text.length;
-    let i = 0;
-    let inFence = false;       // inside ``` … ``` or ~~~ … ~~~
-    let fenceMarker = null;
-    let inMath = false;        // inside $$ … $$
-    let inEnv = false;         // inside \begin{…} … \end{…}
-    let lastSafe = 0;
-
-    while (i < len) {
-      const ch = text[i];
-
-      // Fence detection (must check before single-char paths)
-      if (!inMath && !inEnv) {
-        if (ch === "`" && text.startsWith("```", i)) {
-          if (!inFence) { inFence = true; fenceMarker = "```"; }
-          else if (fenceMarker === "```") { inFence = false; fenceMarker = null; }
-          i += 3;
-          continue;
-        }
-        if (ch === "~" && text.startsWith("~~~", i)) {
-          if (!inFence) { inFence = true; fenceMarker = "~~~"; }
-          else if (fenceMarker === "~~~") { inFence = false; fenceMarker = null; }
-          i += 3;
-          continue;
-        }
-      }
-
-      if (inFence) { i++; continue; }
-
-      // Display math $$ … $$
-      if (!inEnv && ch === "$" && text[i + 1] === "$") {
-        inMath = !inMath;
-        i += 2;
-        continue;
-      }
-
-      if (inMath) { i++; continue; }
-
-      // \begin{env} … \end{env}
-      if (ch === "\\") {
-        if (text.startsWith("\\begin{", i)) { inEnv = true; i += 7; continue; }
-        if (text.startsWith("\\end{", i))   { inEnv = false; i += 5; continue; }
-      }
-
-      if (inEnv) { i++; continue; }
-
-      // Paragraph break outside any block — candidate freeze point.
-      if (ch === "\n" && text[i + 1] === "\n") {
-        // Skip past the entire run of blank lines so we don't freeze
-        // mid-blank-paragraph.
-        let j = i + 2;
-        while (j < len && (text[j] === "\n" || text[j] === " " || text[j] === "\t")) j++;
-        lastSafe = j;
-        i = j;
-        continue;
-      }
-
-      i++;
-    }
-
-    return lastSafe;
-  }
-
-  // ─── Bubble lifecycle ──────────────────────────────────────────────────
-  function ensureBubble(id) {
-    return state.bubbles.get(id);
-  }
-
-  // Re-fire ``hy-chat:updated`` so the scroll-lock in app.js reconsiders
-  // whether to re-pin to the bottom now that geometry may have changed.
-  // Coalesced via rAF so a flurry of layout changes (e.g. KaTeX +
-  // hljs + table column-width pass all in the same frame) only
-  // dispatches once.
-  let _nudgePending = false;
-  function nudgeScrollSoon() {
-    if (_nudgePending) return;
-    _nudgePending = true;
-    requestAnimationFrame(() => {
-      _nudgePending = false;
-      if (!state.host) return;
-      state.host.dispatchEvent(new CustomEvent("hy-chat:updated", {
-        bubbles: false,
-      }));
-    });
-  }
-
-  // Forces ``row`` to flush any pending layout, then schedules a
-  // single rAF-coalesced ``hy-chat:updated`` dispatch. Used both
-  // when a ``<details>`` toggles and as the ``ResizeObserver``
-  // callback for each row.
-  function nudgeScrollAfterToggle(b) {
-    if (!b || !b.row) return;
-    void b.row.offsetHeight;
-    nudgeScrollSoon();
-  }
-
-  // Per-row ResizeObserver. Many things that change a row's height
-  // happen ASYNCHRONOUSLY after the streaming op that created the
-  // content: KaTeX glyphs render once their fonts arrive, hljs
-  // decorates code blocks on the next idle tick, browsers do a
-  // second column-width pass on tables once all rows are in. None
-  // of these go through ``applyDelta`` so the scroll-lock would
-  // otherwise miss them, leaving the user stuck at a now-stale
-  // ``scrollHeight - clientHeight``. Wiring a ResizeObserver per
-  // row covers all of them with one mechanism.
-  const _rowResizeObserver =
-    typeof ResizeObserver !== "undefined"
-      ? new ResizeObserver(() => nudgeScrollSoon())
-      : null;
-
-  function createAssistantBubble(id) {
-    const row = document.createElement("div");
-    row.className = "message-row bot-row";
-    row.dataset.testid = "bot";
-    row.dataset.role = "assistant";
-    row.dataset.bubbleId = id;
-
-    const msg = document.createElement("div");
-    msg.className = "message bot";
-
-    const md = document.createElement("div");
-    md.className = "markdown hy-markdown";
-
-    const typing = document.createElement("div");
-    typing.className = "typing-indicator hy-typing";
-    typing.innerHTML = "<span></span><span></span><span></span>";
-    md.appendChild(typing);
-
-    msg.appendChild(md);
-    row.appendChild(msg);
-    state.host.appendChild(row);
-    if (_rowResizeObserver) _rowResizeObserver.observe(row);
-
-    const record = {
-      row, md, typing,
-      // Reasoning (optional, lazily created)
-      reasoningEl: null,
-      reasoningSummaryEl: null,
-      reasoningBodyEl: null,
-      reasoningBuf: "",
-      thinkingDone: false,
-      // Content (lazily created on first content_delta)
-      frozenEl: null,
-      streamingEl: null,
-      contentBuf: "",
-      frozenLen: 0,
-      // Tool-call append region (lazily created)
-      toolCallContainer: null,
-      ended: false,
-    };
-    state.bubbles.set(id, record);
-    return record;
-  }
-
-  function ensureReasoning(b) {
-    if (b.reasoningEl) return;
-    const det = document.createElement("details");
-    det.className = "thinking-block";
-    det.open = true;
-    const sum = document.createElement("summary");
-    sum.textContent = (window.HY_I18N && window.HY_I18N.thinking) || "Thinking...";
-    det.appendChild(sum);
-    const body = document.createElement("div");
-    body.className = "hy-reasoning-body";
-    body.style.whiteSpace = "pre-wrap";
-    body.style.wordBreak = "break-word";
-    det.appendChild(body);
-    b.reasoningEl = det;
-    b.reasoningSummaryEl = sum;
-    b.reasoningBodyEl = body;
-    if (b.typing && b.typing.parentNode) b.typing.remove();
-    // Reasoning always goes ABOVE content, even if content has already
-    // started rendering (rare — most models stream reasoning first).
-    b.md.insertBefore(det, b.md.firstChild);
-    // Keep the parent chat's scroll geometry in sync whenever the user
-    // (or markThinkingDone) toggles this block. See nudgeScrollAfterToggle.
-    det.addEventListener("toggle", () => nudgeScrollAfterToggle(b));
-  }
-
-  function ensureContent(b) {
-    if (b.frozenEl) return;
-    if (b.typing && b.typing.parentNode) b.typing.remove();
-    const frozen = document.createElement("div");
-    frozen.className = "hy-frozen";
-    const streaming = document.createElement("div");
-    streaming.className = "hy-streaming";
-    b.md.appendChild(frozen);
-    b.md.appendChild(streaming);
-    b.frozenEl = frozen;
-    b.streamingEl = streaming;
-  }
-
-  function markThinkingDone(b) {
-    if (!b.reasoningEl || b.thinkingDone) return;
-    b.thinkingDone = true;
-    b.reasoningSummaryEl.textContent =
-      (window.HY_I18N && window.HY_I18N.thinking_done) || "Thought";
-    b.reasoningEl.open = false;
-  }
-
-  // ─── Op handlers ───────────────────────────────────────────────────────
-  function opReset() {
-    if (_rowResizeObserver) {
-      for (const b of state.bubbles.values()) {
-        if (b.row) _rowResizeObserver.unobserve(b.row);
-      }
-    }
-    state.host.innerHTML = "";
-    state.bubbles.clear();
-    state.lastSeq = 0;
-    // currentEpoch is updated by applyDelta BEFORE op dispatch when a
-    // reset op is in the payload — see the epoch handling there. We
-    // intentionally do NOT clear it here, otherwise we'd reopen the
-    // window for stale post-reset deltas.
-  }
-
-  function opUser(op) {
-    const row = document.createElement("div");
-    row.className = "message-row user-row";
-    row.dataset.testid = "user";
-    row.dataset.role = "user";
-
-    const msg = document.createElement("div");
-    msg.className = "message user user-message";
-
-    const md = document.createElement("div");
-    md.className = "markdown hy-markdown hy-user-text";
-    // Render as plain text — never run user input through marked / KaTeX.
-    md.style.whiteSpace = "pre-wrap";
-    md.style.wordBreak = "break-word";
-    md.textContent = op.text || "";
-
-    msg.appendChild(md);
-    row.appendChild(msg);
-    state.host.appendChild(row);
-  }
-
-  function opAssistantBegin(op) {
-    if (state.bubbles.has(op.id)) return; // idempotent on retry
-    createAssistantBubble(op.id);
-  }
-
-  function opReasoningDelta(op) {
-    let b = ensureBubble(op.id);
-    if (!b) b = createAssistantBubble(op.id);
-    ensureReasoning(b);
-    const d = op.delta || "";
-    if (!d) return;
-    b.reasoningBuf += d;
-    // Reasoning is shown as raw text — fast and never re-renders math.
-    // Append-only via textContent means even very long reasoning stays
-    // O(delta) per update; the DOM tree is just a single text node.
-    b.reasoningBodyEl.textContent = b.reasoningBuf;
-    // Keep the latest reasoning line visible inside the (max-height-
-    // scrollable) details body.
-    b.reasoningBodyEl.scrollTop = b.reasoningBodyEl.scrollHeight;
-  }
-
-  function opContentDelta(op) {
-    let b = ensureBubble(op.id);
-    if (!b) b = createAssistantBubble(op.id);
-    if (op.thinking_done) markThinkingDone(b);
-    ensureContent(b);
-    const d = op.delta || "";
-    if (!d) return;
-    b.contentBuf += d;
-
-    // Compute new freeze boundary. If it advanced past the last frozen
-    // length, render JUST the newly-frozen chunk (text since last
-    // boundary) ONCE and APPEND its DOM to the frozen container. The
-    // already-frozen DOM is never touched — KaTeX, hljs, and marked
-    // run exactly once per closed block.
-    //
-    // Why we can render the new chunk in isolation: the boundary is
-    // always at a paragraph break (\n\n) outside any open code fence /
-    // display math / LaTeX env, so each chunk is a complete set of
-    // top-level markdown blocks that ``marked`` parses identically
-    // whether or not it has the prior context.
-    const text = b.contentBuf;
-    const newBoundary = findFreezeBoundary(text);
-    if (newBoundary > b.frozenLen) {
-      const newChunk = text.slice(b.frozenLen, newBoundary);
-      const temp = document.createElement("div");
-      renderMarkdownInto(temp, newChunk);
-      // Move children from temp into frozenEl. Moving (not cloning)
-      // preserves the KaTeX/hljs work we just did, and crucially does
-      // NOT re-trigger any rendering of the already-frozen DOM.
-      while (temp.firstChild) {
-        b.frozenEl.appendChild(temp.firstChild);
-      }
-      b.frozenLen = newBoundary;
-    }
-    // Streaming segment (everything after the boundary) is re-rendered
-    // in full on each delta. It's bounded to roughly one paragraph, so
-    // the KaTeX / marked / hljs work is O(paragraph) — and since
-    // ``innerHTML = ...`` wipes the previous DOM, KaTeX never
-    // double-renders the same formula here either.
-    const streamingText = text.slice(b.frozenLen);
-    renderMarkdownInto(b.streamingEl, streamingText);
-  }
-
-  function opAssistantEnd(op) {
-    const b = ensureBubble(op.id);
-    if (!b) return;
-    b.ended = true;
-    if (b.typing && b.typing.parentNode) b.typing.remove();
-    // Defer one extra nudge to the next animation frame: post-stream
-    // KaTeX/hljs decoration of the just-flushed tail can run after
-    // applyDelta returns, growing the bubble's height beyond what
-    // ``hy-chat:updated`` already saw at the end of this op.
-    nudgeScrollSoon();
-    // Final flush: take whatever is still in the streaming segment and
-    // append it to the frozen container as one last chunk, then empty
-    // streaming. Crucially we do NOT re-render the already-frozen DOM
-    // — that would re-run KaTeX over every formula the user has been
-    // looking at and produce a final visible flicker.
-    if (b.contentBuf) {
-      ensureContent(b);
-      const tail = b.contentBuf.slice(b.frozenLen);
-      if (tail) {
-        const temp = document.createElement("div");
-        renderMarkdownInto(temp, tail);
-        while (temp.firstChild) {
-          b.frozenEl.appendChild(temp.firstChild);
-        }
-      }
-      b.frozenLen = b.contentBuf.length;
-      b.streamingEl.innerHTML = "";
-    } else if (b.streamingEl) {
-      // No content at all (might be tool-call only) — clean up.
-      b.streamingEl.innerHTML = "";
-    }
-    if (b.reasoningEl && !b.thinkingDone) markThinkingDone(b);
-  }
-
-  function opToolCall(op) {
-    let b = ensureBubble(op.id);
-    if (!b) b = createAssistantBubble(op.id);
-    if (b.typing && b.typing.parentNode) b.typing.remove();
-    if (!b.toolCallContainer) {
-      const c = document.createElement("div");
-      c.className = "hy-tool-calls";
-      b.md.appendChild(c);
-      b.toolCallContainer = c;
-    }
-    const tc = document.createElement("div");
-    tc.className = "hy-tool-call";
-    renderMarkdownInto(tc, op.markdown || "");
-    b.toolCallContainer.appendChild(tc);
-  }
-
-  function opRemoveBubble(op) {
-    const b = ensureBubble(op.id);
-    if (!b) return;
-    if (_rowResizeObserver && b.row) _rowResizeObserver.unobserve(b.row);
-    if (b.row && b.row.parentNode) b.row.parentNode.removeChild(b.row);
-    state.bubbles.delete(op.id);
-  }
-
-  function applyOp(op) {
-    if (!op || !op.type) return;
-    if (!ensureHost()) return;
-    switch (op.type) {
-      case "reset":           opReset(); break;
-      case "user":            opUser(op); break;
-      case "assistant_begin": opAssistantBegin(op); break;
-      case "reasoning_delta": opReasoningDelta(op); break;
-      case "content_delta":   opContentDelta(op); break;
-      case "assistant_end":   opAssistantEnd(op); break;
-      case "tool_call":       opToolCall(op); break;
-      case "remove_bubble":   opRemoveBubble(op); break;
-      default:
-        console.warn("[hy-chat] unknown op type:", op.type);
-    }
-  }
-
-  function applyDelta(payload) {
-    if (!payload || typeof payload !== "object") return;
-    const seq = typeof payload.seq === "number" ? payload.seq : null;
-    // Dedup: Gradio occasionally re-fires the same component value on
-    // reconnect. Since each delta has a fresh global seq, anything ≤
-    // lastSeq is a re-fire we've already applied.
-    if (seq !== null && seq <= state.lastSeq) return;
-    if (seq !== null) state.lastSeq = seq;
-    const ops = Array.isArray(payload.ops) ? payload.ops : [];
-
-    // ── Stale-epoch drop ────────────────────────────────────────────
-    // The user clicked "+" mid-stream. The reset payload carries a NEW
-    // epoch; we adopt it and apply the reset. Any later payload from
-    // the cancelled generator still carries the OLD epoch and is
-    // dropped here — without this, late content_delta ops would
-    // ``createAssistantBubble`` for the old bubble id and a ghost
-    // bubble would appear in the freshly-cleared chat.
-    const epoch = payload.epoch;
-    if (epoch !== undefined && epoch !== null) {
-      const hasReset = ops.some((op) => op && op.type === "reset");
-      if (hasReset) {
-        state.currentEpoch = epoch;
-      } else if (state.currentEpoch === null) {
-        // First payload of the session: adopt whatever epoch we see.
-        state.currentEpoch = epoch;
-      } else if (epoch !== state.currentEpoch) {
-        return;
-      }
-    }
-
-    for (let i = 0; i < ops.length; i++) {
-      try {
-        applyOp(ops[i]);
-      } catch (err) {
-        console.error("[hy-chat] op failed:", ops[i], err);
-      }
-    }
-    // Notify subscribers (the scroll lock and code-block injector in
-    // app.js) that the chat DOM changed. We dispatch a single CustomEvent
-    // per applied delta — coarser than per-op so subscribers can do their
-    // own coalescing on top.
-    if (state.host) {
-      state.host.dispatchEvent(new CustomEvent("hy-chat:updated", {
-        bubbles: false,
-      }));
-    }
-  }
-
-  // ─── Wire up the delta channel ─────────────────────────────────────────
-  function startDeltaObserver() {
-    const deltaHost = document.getElementById("hy-chat-delta");
-    if (!deltaHost) {
-      setTimeout(startDeltaObserver, 200);
-      return;
-    }
-    let lastValue = "";
-    function handle() {
-      // Gradio may put the value in textContent or in a nested element
-      // depending on version. Walk the subtree to be defensive.
-      //
-      // While a generator is actively yielding, Gradio also injects a
-      // status / elapsed-time text node ("0.0s", "0.1s", …) INSIDE the
-      // output component's wrapper. That node bubbles into textContent
-      // and ticks every ~100ms, which would (a) make JSON.parse choke
-      // on the leading "0.0s" prefix and (b) re-fire the observer on
-      // every timer tick. Slice from the first '{' to the last '}' to
-      // skip the status overlay entirely.
-      const raw = (deltaHost.textContent || "");
-      const start = raw.indexOf("{");
-      const end = raw.lastIndexOf("}");
-      if (start < 0 || end < start) return;
-      const v = raw.slice(start, end + 1);
-      if (!v || v === lastValue) return;
-      lastValue = v;
-      let payload;
-      try {
-        payload = JSON.parse(v);
-      } catch (err) {
-        // Real malformed payload (rare): keep visibility, but at debug
-        // level so the timer overlay can't ever spam the console.
-        console.debug("[hy-chat] bad delta JSON:", v.slice(0, 200), err);
-        return;
-      }
-      applyDelta(payload);
-    }
-    new MutationObserver(handle).observe(deltaHost, {
-      childList: true,
-      subtree: true,
-      characterData: true,
-    });
-    handle(); // pick up initial value if any
-  }
-
-  function init() {
-    if (!ensureHost()) {
-      setTimeout(init, 200);
-      return;
-    }
-    startDeltaObserver();
-  }
-
-  // Public surface for the rest of the page (app.js).
-  window.HY_CHAT = {
-    init,
-    applyDelta,
-    getHost: ensureHost,
-  };
-
-  if (document.readyState === "loading") {
-    document.addEventListener("DOMContentLoaded", () => setTimeout(init, 200));
-  } else {
-    setTimeout(init, 200);
-  }
-})();

static/css/_chat.css

@@ -1,144 +0,0 @@
-/* ─────────────────────────────────────────────────────────────────────────
- * Custom chat surface
- *
- * Layout
- * ──────
- *   #hy-chat-host      → the gr.HTML wrapper component. Owns the
- *                        viewport-relative height; pure flex container.
- *   #hy-chat           → our scrollable chat surface. Append-only DOM
- *                        owned by static/chat.js; one .message-row per
- *                        bubble.
- *
- * The rest of the file is component styling for the renderer's emitted
- * DOM. The class names (``.message-row``, ``.message``, ``.bot``,
- * ``.user``, ``.markdown``) are deliberately shared with the rules in
- * _chatbot.css / _math.css / _thinking.css / _misc.css so those
- * rulesets apply transparently to our bubbles.
- * ───────────────────────────────────────────────────────────────────────── */
-
-/* ── Outer wrapper: takes up the available vertical space. ─────────────
- * We use absolute positioning on #hy-chat so it pins to all four edges
- * of the host regardless of how many intermediate wrapper divs Gradio
- * inserts (varies between versions). The host establishes the
- * positioning context with ``position: relative``. */
-#hy-chat-host {
-    position: relative !important;
-    height: calc(100vh - 200px) !important;
-    padding: 0 !important;
-    margin: 0 !important;
-    background: var(--hy-bg) !important;
-    border: none !important;
-    box-shadow: none !important;
-    min-height: 0 !important;
-    overflow: hidden !important;
-}
-/* Strip styling and positioning from any wrappers Gradio inserts
- * between #hy-chat-host and #hy-chat — they would otherwise create new
- * containing blocks and break the absolute-positioned scroll surface. */
-#hy-chat-host > div,
-#hy-chat-host > div > div {
-    position: static !important;
-    padding: 0 !important;
-    margin: 0 !important;
-    background: transparent !important;
-    border: none !important;
-    box-shadow: none !important;
-    height: auto !important;
-}
-
-/* ── Inner scrollable surface ──────────────────────────────────────────── */
-#hy-chat {
-    position: absolute;
-    inset: 0;
-    overflow-y: auto;
-    overflow-x: hidden;
-    padding: 16px 24px 32px;
-    background: var(--hy-bg);
-    scroll-behavior: auto;  /* programmatic scroll-to-bottom should be instant */
-}
-
-/* ── Message rows ──────────────────────────────────────────────────────── */
-#hy-chat .message-row {
-    display: block;
-    width: 100%;
-    margin: 0 0 4px;
-    padding: 0;
-}
-#hy-chat .message-row.user-row {
-    /* Right-align user messages similar to Gradio's bubble layout. */
-    display: flex;
-    justify-content: flex-end;
-    margin: 12px 0 8px;
-}
-#hy-chat .message-row.bot-row {
-    margin: 0 0 18px;
-}
-
-/* ── Inner message containers ──────────────────────────────────────────── */
-#hy-chat .message {
-    max-width: 95%;
-    background: transparent;
-    border: none;
-    padding: 0;
-}
-#hy-chat .message.user {
-    background: var(--hy-bg-muted, #f5f5f7);
-    border-radius: 18px;
-    padding: 10px 18px !important;
-    max-width: min(720px, 75%);
-}
-.dark #hy-chat .message.user {
-    background: #2a2a2a;
-}
-#hy-chat .message.bot {
-    background: transparent;
-    padding: 4px 0 !important;
-}
-
-/* ── User-text appearance (no markdown rendering — pre-wrap text). ────── */
-#hy-chat .hy-user-text {
-    font-size: 15px;
-    line-height: 1.7;
-    color: var(--hy-text);
-}
-
-/* ── Frozen vs streaming segments inside the assistant bubble ──────────
- * Both are direct children of .markdown so the existing #hy-chat .bot
- * .markdown styling cascades into them transparently. The only thing
- * we add here is to mark the streaming segment so future debugging or
- * styling can target it (e.g. a subtle pulse to indicate "still
- * generating" without flickering already-rendered formulas). */
-#hy-chat .hy-frozen,
-#hy-chat .hy-streaming {
-    display: block;
-}
-
-/* ── Tool-call display block (server-rendered Markdown HTML). ─────────── */
-#hy-chat .hy-tool-calls {
-    margin-top: 10px;
-}
-#hy-chat .hy-tool-call + .hy-tool-call {
-    margin-top: 8px;
-}
-
-/* ── Hide the delta channel completely ─────────────────────────────────
- * The bridge component for delta JSON. Must never occupy layout, must
- * never trap pointer / focus / scroll events — but its content has to
- * remain readable to the JS MutationObserver that drives the renderer
- * (so we cannot use display:none). */
-#hy-chat-delta,
-#hy-chat-delta * {
-    position: absolute !important;
-    width: 0 !important;
-    height: 0 !important;
-    margin: 0 !important;
-    padding: 0 !important;
-    border: 0 !important;
-    overflow: hidden !important;
-    clip: rect(0 0 0 0) !important;
-    clip-path: inset(50%) !important;
-    visibility: hidden !important;
-    opacity: 0 !important;
-    pointer-events: none !important;
-    user-select: none !important;
-}

static/css/_chatbot.css

@@ -1,170 +0,0 @@
-/* ── chatbot container ── */
-#hy-chat {
-    border: none !important;
-    box-shadow: none !important;
-    background: #ffffff !important;
-    --border-color-primary: transparent !important;
-    --color-accent-soft: #ffffff !important;
-    --background-fill-secondary: #ffffff !important;
-}
-.dark #hy-chat {
-    background: #171717 !important;
-    --border-color-primary: transparent !important;
-    --color-accent-soft: #1f1f1f !important;
-    --background-fill-secondary: #171717 !important;
-}
-
-/* ── message panel: uniform style for both user and bot ── */
-#hy-chat .message-row .message-bubble-border,
-#hy-chat .bot .message-bubble-border,
-#hy-chat .user .message-bubble-border,
-#hy-chat [data-testid="bot"] .message-bubble-border,
-#hy-chat [data-testid="user"] .message-bubble-border {
-    border-color: transparent !important;
-    border-width: 0 !important;
-    box-shadow: none !important;
-    outline: none !important;
-    background: #ffffff !important;
-    padding: 4px 16px 4px 0 !important;
-    max-width: 100% !important;
-}
-.dark #hy-chat .message-row .message-bubble-border,
-.dark #hy-chat .bot .message-bubble-border,
-.dark #hy-chat .user .message-bubble-border,
-.dark #hy-chat [data-testid="bot"] .message-bubble-border,
-.dark #hy-chat [data-testid="user"] .message-bubble-border {
-    background: #171717 !important;
-}
-
-/* ── remove user message bubble border (all themes) ── */
-#hy-chat .user,
-#hy-chat .user .message,
-#hy-chat .user .bubble,
-#hy-chat .user > div,
-#hy-chat [data-testid="user"],
-#hy-chat [data-testid="user"] .message,
-#hy-chat [data-testid="user"] .bubble,
-#hy-chat [data-testid="user"] > div,
-#hy-chat .message-row.user-row,
-#hy-chat .message-row.user-row > div,
-#hy-chat .user-message,
-#hy-chat .message.user {
-    border: none !important;
-    border-width: 0 !important;
-    border-color: transparent !important;
-    box-shadow: none !important;
-    outline: none !important;
-}
-#hy-chat .user .message,
-#hy-chat [data-testid="user"] .message,
-#hy-chat .user-message {
-    background: transparent !important;
-    padding: 4px 16px !important;
-}
-.dark #hy-chat .user .message,
-.dark #hy-chat [data-testid="user"] .message,
-.dark #hy-chat .user-message {
-    background: transparent !important;
-}
-
-/* ── user text: match bot text style ── */
-#hy-chat .user .markdown,
-#hy-chat .user .message-content,
-#hy-chat .user p,
-#hy-chat [data-testid="user"] .markdown,
-#hy-chat [data-testid="user"] .message-content,
-#hy-chat [data-testid="user"] p {
-    font-size: 15px !important;
-    line-height: 1.8 !important;
-    color: #222222 !important;
-    letter-spacing: 0.01em !important;
-}
-.dark #hy-chat .user .markdown,
-.dark #hy-chat .user .message-content,
-.dark #hy-chat .user p,
-.dark #hy-chat [data-testid="user"] .markdown,
-.dark #hy-chat [data-testid="user"] .message-content,
-.dark #hy-chat [data-testid="user"] p {
-    color: #e8e8e8 !important;
-}
-
-/* ── bot text styling ── */
-#hy-chat .bot .markdown,
-#hy-chat .bot .message-content,
-#hy-chat [data-testid="bot"] .markdown {
-    font-size: 15px !important;
-    line-height: 1.8 !important;
-    color: #222222 !important;
-    letter-spacing: 0.01em !important;
-}
-.dark #hy-chat .bot .markdown,
-.dark #hy-chat .bot .message-content,
-.dark #hy-chat [data-testid="bot"] .markdown {
-    color: #e8e8e8 !important;
-}
-#hy-chat .bot p { margin: 0.6em 0 !important; }
-#hy-chat .bot strong, #hy-chat .bot b {
-    font-weight: 600 !important;
-    color: #111 !important;
-}
-.dark #hy-chat .bot strong, .dark #hy-chat .bot b {
-    color: #fff !important;
-}
-#hy-chat .bot ul, #hy-chat .bot ol {
-    padding-left: 1.5em !important;
-    margin: 0.5em 0 !important;
-}
-#hy-chat .bot li {
-    margin: 0.3em 0 !important;
-    line-height: 1.8 !important;
-}
-
-/* ── headings ── */
-#hy-chat .bot h1 { font-size: 22px !important; font-weight: 700 !important; color: #111 !important; margin: 1em 0 0.5em !important; }
-#hy-chat .bot h2 { font-size: 19px !important; font-weight: 700 !important; color: #111 !important; margin: 0.9em 0 0.4em !important; }
-#hy-chat .bot h3 { font-size: 17px !important; font-weight: 600 !important; color: #111 !important; margin: 0.8em 0 0.35em !important; }
-#hy-chat .bot h4 { font-size: 15px !important; font-weight: 600 !important; color: #222 !important; margin: 0.7em 0 0.3em !important; }
-.dark #hy-chat .bot h1 { color: #f2f2f2 !important; }
-.dark #hy-chat .bot h2 { color: #ebebeb !important; }
-.dark #hy-chat .bot h3 { color: #e0e0e0 !important; }
-.dark #hy-chat .bot h4 { color: #d4d4d4 !important; }
-
-/* ── tables ── */
-#hy-chat table {
-    border-collapse: collapse !important;
-    width: auto !important;
-    margin: 1em 0 !important;
-    font-size: 14px !important;
-    line-height: 1.6 !important;
-}
-#hy-chat th, #hy-chat td {
-    border: 1px solid #e8e8e8 !important;
-    padding: 10px 20px !important;
-    text-align: left !important;
-}
-#hy-chat th {
-    background: #fafafa !important;
-    font-weight: 600 !important;
-    color: #333 !important;
-}
-#hy-chat td {
-    color: #444 !important;
-    background: #fff !important;
-}
-#hy-chat tr:hover td {
-    background: #fafcff !important;
-}
-.dark #hy-chat th, .dark #hy-chat td {
-    border-color: #2a2a2a !important;
-}
-.dark #hy-chat th {
-    background: #242424 !important;
-    color: #e0e0e0 !important;
-}
-.dark #hy-chat td {
-    color: #d0d0d0 !important;
-    background: #1c1c1c !important;
-}
-.dark #hy-chat tr:hover td {
-    background: #262626 !important;
-}

static/css/_dark.css

@@ -1,194 +0,0 @@
-/* ── Dark mode: sidebar ── */
-.dark .sidebar, .dark [class*="sidebar"] {
-    background: #1a1a1a !important;
-    border: none !important;
-    box-shadow: none !important;
-}
-.dark .sidebar h1, .dark [class*="sidebar"] h1 {
-    color: #e8e8e8 !important;
-}
-.dark .sidebar .block,
-.dark .sidebar .form,
-.dark .sidebar .panel,
-.dark .sidebar > div,
-.dark [class*="sidebar"] .block,
-.dark [class*="sidebar"] .form,
-.dark [class*="sidebar"] .panel,
-.dark [class*="sidebar"] > div {
-    background: transparent !important;
-    border: none !important;
-    box-shadow: none !important;
-}
-
-/* ── Dark mode: global inputs ── */
-.dark textarea, .dark input[type="text"] {
-    background: #2a2a2a !important;
-    color: #e8e8e8 !important;
-    border-color: #3a3a3a !important;
-}
-.dark textarea::placeholder, .dark input[type="text"]::placeholder {
-    color: #666 !important;
-}
-
-/* ── Dark mode: slider tracks ── */
-.dark .gradio-container input[type="range"]::-moz-range-progress { background-color: #6b9fff !important; }
-.dark .gradio-container input[type="range"]::-moz-range-track { background: #2a2a2a !important; }
-
-/* ── Dark mode: dropdowns ── */
-.dark select, .dark .wrap[data-testid="dropdown"] {
-    background: #2a2a2a !important;
-    color: #e8e8e8 !important;
-    border-color: #3a3a3a !important;
-}
-
-/* ── Dark mode: accordion ── */
-.dark .accordion {
-    background: #1f1f1f !important;
-    border-color: #2a2a2a !important;
-}
-
-/* ── Dark mode: forms & labels ── */
-.dark .form {
-    border-color: #2a2a2a !important;
-}
-.dark label, .dark .label-wrap {
-    color: #c0c0c0 !important;
-}
-.dark .info-text, .dark span[data-testid="block-info"] {
-    color: #808080 !important;
-}
-
-/* ── Dark mode: scrollbars ── */
-.dark *::-webkit-scrollbar {
-    width: 8px !important;
-    height: 8px !important;
-    background: transparent !important;
-}
-.dark *::-webkit-scrollbar-track {
-    background: transparent !important;
-    border: none !important;
-}
-.dark *::-webkit-scrollbar-thumb {
-    background: #3a3a3a !important;
-    border-radius: 4px !important;
-    border: 2px solid transparent !important;
-    background-clip: padding-box !important;
-}
-.dark *::-webkit-scrollbar-thumb:hover {
-    background: #505050 !important;
-    background-clip: padding-box !important;
-}
-.dark *::-webkit-scrollbar-corner {
-    background: transparent !important;
-}
-.dark * {
-    scrollbar-width: thin !important;
-    scrollbar-color: #3a3a3a transparent !important;
-}
-
-/* ── Dark mode: sliders (track + thumb) ── */
-.dark input[type="range"] {
-    -webkit-appearance: none !important;
-    appearance: none !important;
-    background: transparent !important;
-    height: 4px !important;
-    cursor: pointer !important;
-}
-.dark input[type="range"]::-webkit-slider-runnable-track {
-    background: #2f2f2f !important;
-    height: 4px !important;
-    border-radius: 2px !important;
-    border: none !important;
-}
-.dark input[type="range"]::-moz-range-track {
-    background: #2f2f2f !important;
-    height: 4px !important;
-    border-radius: 2px !important;
-    border: none !important;
-}
-.dark input[type="range"]::-webkit-slider-thumb {
-    -webkit-appearance: none !important;
-    appearance: none !important;
-    width: 18px !important;
-    height: 18px !important;
-    border-radius: 50% !important;
-    background: #6b9fff !important;
-    border: 2px solid #1f1f1f !important;
-    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4) !important;
-    margin-top: -7px !important;
-    cursor: pointer !important;
-}
-.dark input[type="range"]::-moz-range-thumb {
-    width: 18px !important;
-    height: 18px !important;
-    border-radius: 50% !important;
-    background: #6b9fff !important;
-    border: 2px solid #1f1f1f !important;
-    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4) !important;
-    cursor: pointer !important;
-}
-.dark input[type="range"]::-moz-range-progress {
-    background-color: #4b7fd6 !important;
-    height: 4px !important;
-    border-radius: 2px !important;
-}
-
-/* ── Dark mode: number/spin inputs (slider value boxes) ── */
-.dark input[type="number"] {
-    background: #1f1f1f !important;
-    color: #c8c8c8 !important;
-    border: 1px solid #262626 !important;
-    border-radius: 6px !important;
-    box-shadow: none !important;
-}
-.dark input[type="number"]:focus {
-    border-color: rgba(107, 159, 255, 0.35) !important;
-    outline: none !important;
-}
-.dark input[type="number"]::-webkit-inner-spin-button,
-.dark input[type="number"]::-webkit-outer-spin-button {
-    filter: invert(0.85) !important;
-    opacity: 0.4 !important;
-}
-/* Number-input wrappers (the small editable boxes next to sliders).
- * Previously also targeted .wrap.svelte-1cl284s; dropped the hash since
- * Gradio regenerates it. Stable selectors below cover the same elements. */
-.dark .gradio-container [class*="number_input"],
-.dark .gradio-container [data-testid*="number"] input,
-.dark .gradio-container [data-testid*="number"] .wrap,
-.dark .gradio-container .head .wrap,
-.dark .gradio-container .head input {
-    background: #1f1f1f !important;
-    color: #c8c8c8 !important;
-    border-color: #262626 !important;
-    box-shadow: none !important;
-}
-.dark .gradio-container .head,
-.dark .gradio-container .head > div,
-.dark .gradio-container .tabular-nums {
-    background: transparent !important;
-    border-color: #262626 !important;
-}
-
-/* ── Dark mode: slider min/max range labels (e.g. "0", "1", "65536") ── */
-.dark .gradio-container .min,
-.dark .gradio-container .max,
-.dark .head .min,
-.dark .head .max,
-.dark span.tabular-nums {
-    color: #707070 !important;
-}
-
-/* ── Dark mode: reset-to-default arrow button next to inputs ── */
-.dark button[aria-label="Reset to default value"],
-.dark button[title="Reset to default value"] {
-    background: transparent !important;
-    color: #707070 !important;
-    border: none !important;
-    box-shadow: none !important;
-}
-.dark button[aria-label="Reset to default value"]:hover,
-.dark button[title="Reset to default value"]:hover {
-    color: #b0b0b0 !important;
-    background: transparent !important;
-}

static/css/_examples.css

@@ -1,142 +0,0 @@
-/* ─────────────────────────────────────────────────────────────────────────
- * Empty-state "What can I help you with?" overlay.
- * Lives outside the Gradio container (appended to <body>) so we don't need
- * !important to win against framework styles.
- * ───────────────────────────────────────────────────────────────────────── */
-
-#examples-overlay {
-    position: fixed;
-    left: 0; right: 0;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    z-index: 100;
-    background: var(--hy-bg);
-    pointer-events: none;
-    overflow-y: auto;
-}
-
-.examples-wrapper {
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    margin: auto;
-    pointer-events: auto;
-    padding: 40px 20px;
-}
-
-.examples-heading {
-    font-size: 22px;
-    font-weight: 600;
-    color: var(--hy-text);
-    margin: 0 0 28px;
-    letter-spacing: -0.01em;
-}
-
-/* 1-2-1 "diamond" layout for exactly 4 example cards.
- *   row 1: card #1 (centered, spans both columns)
- *   row 2: card #2 (right-aligned in left col) | card #3 (left-aligned in right col)
- *   row 3: card #4 (centered, spans both columns)
- * Using CSS grid with explicit nth-child placements rather than flex-
- * wrap, because flex-wrap on equal-width children can only produce
- * 1xN, 2x2, or 4x1 — never 1-2-1. */
-.examples-grid {
-    display: grid;
-    grid-template-columns: minmax(0, 480px) minmax(0, 480px);
-    column-gap: 20px;
-    row-gap: 14px;
-    justify-content: center;
-    width: min(1020px, 100%);
-}
-
-.example-btn:nth-child(1),
-.example-btn:nth-child(4) {
-    grid-column: 1 / span 2;
-    justify-self: center;
-}
-.example-btn:nth-child(2) {
-    grid-column: 1;
-    justify-self: end;
-}
-.example-btn:nth-child(3) {
-    grid-column: 2;
-    justify-self: start;
-}
-
-.example-btn {
-    /* Outer card: flex container that vertically + horizontally centers
-     * its single inner ``.example-btn-text`` child. We CANNOT also be
-     * a ``-webkit-box`` here (that's the inner element's job, see
-     * below) — line-clamp and flex centering need separate elements. */
-    display: flex !important;
-    align-items: center;
-    justify-content: center;
-    overflow: hidden !important;
-    box-sizing: border-box !important;
-
-    width: 460px;
-    /* 14px font * 1.5 line-height = 21px per line. 2 lines = 42px.
-     * + 14px*2 padding-y = 28px. + 1px*2 border = 2px. Total 72px. */
-    height: 72px;
-
-    background: var(--hy-bg);
-    border: 1px solid var(--hy-border);
-    border-radius: 18px;
-    padding: 14px 20px;
-    font-size: 14px;
-    line-height: 1.5;
-    color: var(--hy-text);
-    cursor: pointer;
-    transition: transform 0.15s ease, background 0.2s ease,
-                border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
-    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
-                 "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica,
-                 Arial, sans-serif;
-    user-select: none;
-    text-align: center;
-}
-
-/* Inner text element: owns the 2-line clamp + auto ellipsis. The
- * ``!important`` triplet defends against framework-level resets that
- * would otherwise silently change ``display`` and let a 3rd line
- * bleed into view. */
-.example-btn-text {
-    display: -webkit-box !important;
-    -webkit-line-clamp: 2 !important;
-    -webkit-box-orient: vertical !important;
-    overflow: hidden !important;
-    word-break: break-word;
-    width: 100%;
-    text-align: center;
-}
-
-/* On narrow screens the diamond would overflow horizontally — collapse
- * to a single centered column instead. */
-@media (max-width: 1020px) {
-    .examples-grid {
-        grid-template-columns: minmax(0, 1fr);
-    }
-    .example-btn:nth-child(1),
-    .example-btn:nth-child(2),
-    .example-btn:nth-child(3),
-    .example-btn:nth-child(4) {
-        grid-column: 1;
-        justify-self: center;
-    }
-    .example-btn {
-        width: 100%;
-        max-width: 520px;
-    }
-}
-.example-btn:hover {
-    background: var(--hy-bg-muted);
-    border-color: var(--hy-border-strong);
-    color: var(--hy-text-strong);
-    box-shadow: var(--hy-shadow);
-    transform: translateY(-1px);
-}
-
-.dark .example-btn:hover {
-    border-color: rgba(107, 159, 255, 0.35);
-    box-shadow: 0 0 8px rgba(107, 159, 255, 0.08);
-}

static/css/_hide.css

@@ -1,131 +0,0 @@
-/* ── hide all avatars ── */
-#hy-chat [class*="avatar"] {
-    display: none !important;
-    width: 0 !important;
-    height: 0 !important;
-    min-width: 0 !important;
-    min-height: 0 !important;
-    overflow: hidden !important;
-    opacity: 0 !important;
-    margin: 0 !important;
-    padding: 0 !important;
-    position: absolute !important;
-    pointer-events: none !important;
-}
-
-/* ── hide Gradio default action buttons & icons ── */
-#hy-chat button[aria-label="Copy message"],
-#hy-chat button[title="Copy message"],
-#hy-chat button[aria-label="Share message"],
-#hy-chat button[title="Share message"],
-#hy-chat button[aria-label="Delete message"],
-#hy-chat button[title="Delete message"],
-#hy-chat button[aria-label="Retry"],
-#hy-chat button[title="Retry"],
-#hy-chat button[aria-label="Undo"],
-#hy-chat button[title="Undo"],
-#hy-chat .message-buttons-bot,
-#hy-chat .message-buttons-user,
-#hy-chat .bot .icon-button-wrapper,
-#hy-chat .user .icon-button-wrapper,
-#hy-chat .bot .icon-button,
-#hy-chat .user .icon-button,
-#hy-chat .likeable {
-    display: none !important;
-}
-
-/*
- * NOTE: do NOT use a blanket `.message-row button:not(.html-preview-btn)`
- * rule here — it would also hide our per-code-block "Copy" button that
- * lives inside .hy-codeblock-header at the top-right of each fenced
- * code block. The specific aria-label/title selectors above already
- * cover the message-level action buttons we want to hide.
- */
-
-/* ── hide stray images/svgs inside messages ── */
-#hy-chat .message-row img:not([class*="markdown"]),
-#hy-chat .message-row svg {
-    display: none !important;
-}
-/* …but keep the SVGs inside our custom code-copy-btn visible.
- * Specificity is boosted via duplicated #hy-chat to beat the hide rule. */
-#hy-chat#hy-chat .message-row .code-copy-btn,
-#hy-chat#hy-chat .message-row .code-copy-btn svg,
-#hy-chat#hy-chat .message-row .code-copy-btn svg * {
-    display: inline-flex !important;
-}
-#hy-chat#hy-chat .message-row .code-copy-btn svg {
-    display: block !important;
-}
-/* …and keep SVGs inside KaTeX math formulas visible.
- * KaTeX uses SVGs for radicals, stretchy delimiters, fraction lines, etc. */
-#hy-chat#hy-chat .message-row .katex svg,
-#hy-chat#hy-chat .message-row .katex-display svg {
-    display: inline !important;
-}
-
-/* ── Hide scroll-to-bottom button (too jarring in both themes) ── */
-#hy-chat button.scroll-hide,
-#hy-chat button[aria-label*="scroll" i],
-#hy-chat button[aria-label*="bottom" i],
-#hy-chat .scroll-to-bottom,
-#hy-chat [class*="scroll-button"],
-#hy-chat [class*="scrollButton"],
-#hy-chat button[class*="scroll"] {
-    display: none !important;
-    visibility: hidden !important;
-    opacity: 0 !important;
-    pointer-events: none !important;
-}
-
-/* ── Hide the busy-marker component completely ──
- * Driven by chat.py: contains either "" (idle) or a single
- * <span data-hy-streaming="1"> (streaming). It is a pure machine signal
- * read by static/app.js; it must never occupy any visible layout
- * regardless of value, and must never trap pointer/scroll/focus events. */
-#hy-busy-marker,
-#hy-busy-marker * {
-    position: absolute !important;
-    width: 0 !important;
-    height: 0 !important;
-    margin: 0 !important;
-    padding: 0 !important;
-    border: 0 !important;
-    overflow: hidden !important;
-    clip: rect(0 0 0 0) !important;
-    clip-path: inset(50%) !important;
-    visibility: hidden !important;
-    opacity: 0 !important;
-    pointer-events: none !important;
-    user-select: none !important;
-}
-
-/* ── Hide all Gradio progress / loading status indicators globally ── */
-.progress-bar-wrap,
-.progress-bar,
-.progress-text,
-.progress,
-.eta-bar,
-[data-testid="loader"],
-.loader,
-.wrap.default.minimal,
-.gradio-container .status-wrap,
-.gradio-container .status,
-.gradio-container .meta-text,
-.gradio-container .meta-text-center,
-.gradio-container [class*="progress"],
-.gradio-container [class*="Progress"],
-.gradio-container .generating,
-#hy-chat .generating,
-#hy-chat .progress,
-#hy-chat .progress-text,
-#hy-chat [class*="progress"],
-#hy-chat [class*="loading"],
-#hy-chat [class*="loader"] {
-    display: none !important;
-    visibility: hidden !important;
-    opacity: 0 !important;
-    pointer-events: none !important;
-    height: 0 !important;
-    width: 0 !important;
-}

static/css/_input.css

@@ -1,114 +0,0 @@
-/* ── input row ── */
-.msg-row {
-    padding: 8px 0 !important;
-    gap: 8px !important;
-    border-top: none !important;
-    background: #fff !important;
-    align-items: center !important;
-    height: 88px !important;
-    min-height: 88px !important;
-    max-height: 88px !important;
-    flex-shrink: 0 !important;
-}
-.dark .msg-row {
-    background: #171717 !important;
-}
-.dark .msg-row *:not(textarea):not(button):not(button *) {
-    background: transparent !important;
-    border-color: transparent !important;
-    box-shadow: none !important;
-    outline: none !important;
-}
-.msg-input textarea {
-    height: 72px !important;
-    min-height: 72px !important;
-    max-height: 72px !important;
-    overflow-y: auto !important;
-    resize: none !important;
-    border-radius: 20px !important;
-    border: 1px solid #e0e0e0 !important;
-    padding: 18px 22px !important;
-    font-size: 15px !important;
-    line-height: 1.5 !important;
-    background: #fff !important;
-    box-shadow: 0 1px 4px rgba(0,0,0,0.06) !important;
-    color: #000 !important;
-}
-.dark .msg-input textarea {
-    background: #2a2a2a !important;
-    border-color: #3a3a3a !important;
-    color: #e8e8e8 !important;
-    box-shadow: 0 1px 4px rgba(0,0,0,0.3) !important;
-}
-.msg-input textarea:focus {
-    border-color: #c0c0c0 !important;
-    box-shadow: 0 2px 8px rgba(0,0,0,0.08) !important;
-    outline: none !important;
-}
-.dark .msg-input textarea:focus {
-    border-color: rgba(107, 159, 255, 0.4) !important;
-    box-shadow: 0 0 0 2px rgba(107, 159, 255, 0.1), 0 2px 8px rgba(0,0,0,0.3) !important;
-}
-
-/* ── new chat (+) button ── */
-.new-chat-btn {
-    width: 42px !important;
-    height: 42px !important;
-    min-width: 42px !important;
-    max-width: 42px !important;
-    border-radius: 50% !important;
-    border: 1px solid #e5e7eb !important;
-    background: #fff !important;
-    color: #666 !important;
-    font-size: 22px !important;
-    font-weight: 300 !important;
-    padding: 0 !important;
-    display: flex !important;
-    align-items: center !important;
-    justify-content: center !important;
-    cursor: pointer !important;
-    flex-shrink: 0 !important;
-}
-.new-chat-btn:hover {
-    background: #f5f5f5 !important;
-    color: #333 !important;
-    border-color: #d0d0d0 !important;
-}
-.dark .new-chat-btn {
-    border-color: #3a3a3a !important;
-    background: #2a2a2a !important;
-    color: #999 !important;
-}
-.dark .new-chat-btn:hover {
-    background: #333 !important;
-    color: #e8e8e8 !important;
-    border-color: #505050 !important;
-}
-
-/* ── buttons ── */
-button.primary { border-radius: 20px !important; font-weight: 500 !important; font-size: 14px !important; padding: 8px 20px !important; }
-button.secondary { border: 1px solid #e5e5ea !important; border-radius: 20px !important; font-size: 14px !important; color: #444 !important; padding: 8px 16px !important; }
-.dark button.secondary { border-color: #3a3a3a !important; color: #c0c0c0 !important; }
-
-/* ── send button ── */
-.send-btn, #send-btn {
-    width: 42px !important;
-    height: 42px !important;
-    min-width: 42px !important;
-    max-width: 42px !important;
-    border-radius: 50% !important;
-    padding: 0 !important;
-    display: flex !important;
-    align-items: center !important;
-    justify-content: center !important;
-    font-size: 18px !important;
-    flex-shrink: 0 !important;
-}
-#send-btn button {
-    width: 42px !important;
-    height: 42px !important;
-    min-width: 42px !important;
-    border-radius: 50% !important;
-    padding: 0 !important;
-    font-size: 18px !important;
-}

static/css/_layout.css

@@ -1,41 +0,0 @@
-/* ── full-viewport layout ── */
-html, body {
-    overflow: hidden !important;
-    height: 100vh !important;
-    background: #fff !important;
-}
-.dark html, .dark body, html.dark, body.dark {
-    background: #171717 !important;
-}
-.gradio-container {
-    height: 100vh !important;
-    overflow: hidden !important;
-    max-width: 100% !important;
-    background: #fff !important;
-}
-.dark .gradio-container, .gradio-container.dark {
-    background: #171717 !important;
-}
-.main {
-    height: 100% !important;
-    overflow: hidden !important;
-    background: #fff !important;
-}
-.dark .main {
-    background: #171717 !important;
-}
-
-/* ── global font ──
- * font-family is set on #hy-chat only (not #hy-chat *) so that KaTeX's
- * own math-font declarations (KaTeX_Main, KaTeX_Math, …) are not
- * overridden.  Children inherit the system stack; KaTeX overrides it
- * via its own class-based rules. */
-#hy-chat {
-    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
-                 "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica,
-                 Arial, sans-serif !important;
-}
-#hy-chat, #hy-chat * {
-    -webkit-font-smoothing: antialiased !important;
-    -moz-osx-font-smoothing: grayscale !important;
-}

static/css/_legacy.css

@@ -1,50 +0,0 @@
-/* ── Form / accordion / label tweaks ──────────────────────────────────────
- *
- * Previously these rules targeted Svelte hash classes (e.g. .svelte-d5xbca,
- * .svelte-xzq5jh, .svelte-e5lyqv, .svelte-jdcl7l) which Gradio re-generates on
- * every release. We drop the hashes and use stable class/role selectors so a
- * Gradio bump doesn't silently break our styling.
- */
-
-/* hide the rectangular border Gradio puts around forms */
-.gradio-container .form {
-    border: none !important;
-}
-
-/* small "Validate & Format" style accordion buttons inside forms */
-.gradio-container .form button.sm,
-.gradio-container .accordion button.sm {
-    background: rgb(229, 231, 235);
-}
-.dark .gradio-container .form button.sm,
-.dark .gradio-container .accordion button.sm {
-    background: #2a2a2a !important;
-    color: #c0c0c0 !important;
-}
-
-/* accordion / dropdown / slider label colors */
-.gradio-container .label-wrap,
-.gradio-container .label-wrap > span {
-    color: #000;
-}
-.dark .gradio-container .label-wrap,
-.dark .gradio-container .label-wrap > span {
-    color: #c0c0c0 !important;
-}
-
-/* bot paragraph color (kept here because it's adjacent to label color logic) */
-#hy-chat .bot p {
-    color: #000;
-}
-.dark #hy-chat .bot p {
-    color: #e8e8e8 !important;
-}
-
-/* prose inside the Gradio container (markdown rendering); use attribute
- * selector that matches any container-version class instead of a pinned one */
-[class*="gradio-container"] .prose * {
-    color: #000;
-}
-.dark [class*="gradio-container"] .prose * {
-    color: #e8e8e8 !important;
-}

static/css/_math.css

@@ -1,132 +0,0 @@
-/* ─────────────────────────────────────────────────────────────────────────
- * KaTeX math rendering
- *
- * The chatbot CSS sets line-height: 1.8 + letter-spacing: 0.01em on
- * .bot .markdown.  These cascade into KaTeX, where SVGs for stretchy
- * operators (like \not=) use height: inherit + width: 100%.  An inflated
- * line-height turns those SVGs into solid-colour rectangles.  We reset
- * typographic properties on all KaTeX descendants to restore correct
- * glyph and symbol layout.
- * ───────────────────────────────────────────────────────────────────────── */
-
-/* ── Restore KaTeX's own font ──
- * _layout.css sets font-family on #hy-chat; KaTeX children inherit it.
- * Override here so KaTeX uses its own math fonts for correct glyphs.  */
-#hy-chat .katex {
-    font: normal 1.21em KaTeX_Main, "Times New Roman", serif !important;
-    text-indent: 0 !important;
-}
-
-/* ── Reset inherited typography ──
- * High-specificity selectors ensure we beat the #hy-chat .bot .markdown
- * rule that sets line-height: 1.8 and letter-spacing: 0.01em. */
-#hy-chat .bot .markdown .katex,
-#hy-chat .bot .markdown .katex *,
-#hy-chat .bot .markdown .katex-display,
-#hy-chat .bot .markdown .katex-display *,
-#hy-chat .katex,
-#hy-chat .katex *,
-#hy-chat .katex-display,
-#hy-chat .katex-display * {
-    letter-spacing: normal !important;
-    word-spacing: normal !important;
-    line-height: 1.2 !important;
-}
-
-/* ── SVG rendering ──
- * KaTeX uses SVGs for radicals (√), stretchy delimiters, fraction lines,
- * and negation slashes.  Ensure they inherit the current text colour and
- * are not distorted by the parent's line-height. */
-#hy-chat .katex svg {
-    fill: currentColor;
-    stroke: none;
-}
-#hy-chat .katex svg path {
-    fill: currentColor;
-}
-
-/* ── SVG overlay fix ──
- * Constrain overlay containers (negation slashes, accents) so an
- * inflated line-height can never stretch SVGs into black blocks. */
-#hy-chat .katex .rlap,
-#hy-chat .katex .llap,
-#hy-chat .katex .clap {
-    line-height: 0 !important;
-}
-#hy-chat .katex .stretchy,
-#hy-chat .katex .halfarrow-left,
-#hy-chat .katex .halfarrow-right,
-#hy-chat .katex .brace-left,
-#hy-chat .katex .brace-right {
-    overflow: hidden !important;
-}
-#hy-chat .katex .rule,
-#hy-chat .katex .mfrac .frac-line,
-#hy-chat .katex .overline .overline-line,
-#hy-chat .katex .underline .underline-line,
-#hy-chat .katex .hline {
-    overflow: hidden !important;
-}
-
-/* ── Text colour ──
- * Explicit colour in both themes so KaTeX text and SVG fills (via
- * currentColor) always match the surrounding prose. */
-#hy-chat .katex,
-#hy-chat .katex-display {
-    color: var(--hy-text, #222222) !important;
-}
-
-/* ── Display math (block) ── */
-#hy-chat .katex-display {
-    margin: 1em 0 !important;
-    padding: 0.4em 0 !important;
-    overflow-x: auto !important;
-    overflow-y: hidden !important;
-    -webkit-overflow-scrolling: touch;
-}
-#hy-chat .katex-display > .katex {
-    text-align: center !important;
-}
-
-/* Subtle scrollbar for wide equations */
-#hy-chat .katex-display::-webkit-scrollbar {
-    height: 3px;
-}
-#hy-chat .katex-display::-webkit-scrollbar-track {
-    background: transparent;
-}
-#hy-chat .katex-display::-webkit-scrollbar-thumb {
-    background: #d0d0d0;
-    border-radius: 2px;
-}
-
-/* ── Inline math ── */
-#hy-chat p .katex,
-#hy-chat li .katex,
-#hy-chat td .katex {
-    font-size: 1.05em;
-    vertical-align: baseline;
-}
-
-/* ── KaTeX error fallback: show raw LaTeX legibly ── */
-#hy-chat .katex-error {
-    color: var(--hy-text-muted, #666) !important;
-    font-family: "SF Mono", "Fira Code", "JetBrains Mono", monospace !important;
-    font-size: 0.88em !important;
-    background: var(--hy-bg-muted, #f5f5f7) !important;
-    padding: 1px 5px !important;
-    border-radius: 3px !important;
-}
-
-/* ── Dark mode ── */
-.dark #hy-chat .katex,
-.dark #hy-chat .katex-display {
-    color: var(--hy-text, #e8e8e8) !important;
-}
-.dark #hy-chat .katex-display::-webkit-scrollbar-thumb {
-    background: #404040;
-}
-.dark #hy-chat .katex-error {
-    color: var(--hy-text-muted, #909090) !important;
-    background: var(--hy-bg-muted, #2a2a2a) !important;
-}

static/css/_misc.css

@@ -1,111 +0,0 @@
-/* ── inputs global ── */
-textarea, input[type="text"] { border-radius: 10px !important; font-size: 15px !important; }
-
-/* ── code blocks ── */
-#hy-chat pre {
-    background: #f5f5f7 !important;
-    border: 1px solid #ebebeb !important;
-    border-radius: 8px !important;
-    padding: 14px 18px !important;
-    font-size: 13px !important;
-    line-height: 1.6 !important;
-    overflow-x: auto !important;
-    margin: 0.8em 0 !important;
-}
-.dark #hy-chat pre {
-    background: #111 !important;
-    border-color: #2a2a2a !important;
-}
-#hy-chat code {
-    font-family: "SF Mono", "Fira Code", "JetBrains Mono", "Consolas", "Monaco", monospace !important;
-    font-size: 0.9em !important;
-}
-.dark #hy-chat code {
-    color: #d4d4d4 !important;
-}
-#hy-chat :not(pre) > code {
-    background: #f0f0f3 !important;
-    padding: 2px 6px !important;
-    border-radius: 4px !important;
-    color: #333 !important;
-}
-.dark #hy-chat :not(pre) > code {
-    background: #2a2a2a !important;
-    color: #d4d4d4 !important;
-}
-
-/* ── blockquote ── */
-#hy-chat blockquote {
-    border-left: 3px solid #d1d1d6 !important;
-    margin: 0.8em 0 !important;
-    padding: 4px 16px !important;
-    color: #555 !important;
-    background: transparent !important;
-}
-.dark #hy-chat blockquote {
-    border-left-color: #3a3a3a !important;
-    color: #909090 !important;
-}
-
-/* ── tables ──
- * Markdown tables otherwise render with ``display: table`` and
- * intrinsic auto sizing, which lets a wide table push past the
- * message's ``max-width: 95%`` and overflow ``#hy-chat`` horizontally.
- * Beyond the obvious horizontal-clip ugliness, the post-stream column-
- * width pass (browser re-measures cells once all rows are in) was
- * leaving ``#hy-chat``'s ``scrollHeight`` desynced from real layout —
- * the user could drag the scrollbar to the bottom of its track without
- * reaching the actual last row of the answer, and the wheel was dead
- * because they really were at the (stale) max scrollTop.
- *
- * The fix is to (a) keep the table inside the message bubble and
- * (b) make any too-wide table scroll horizontally inside ITS OWN
- * bounds rather than the row's:
- *   - ``display: block`` + ``max-width: 100%`` + ``overflow-x: auto``
- *     makes the ``<table>`` itself a horizontally-scrollable inline
- *     box; column widths are still auto-computed but the layout
- *     impact stays inside the table.
- *   - ``border-collapse: collapse`` + light borders give it the
- *     conventional spreadsheet look without adding cell-spacing
- *     surprises that browsers handle inconsistently. */
-#hy-chat table {
-    display: block !important;
-    width: max-content !important;
-    max-width: 100% !important;
-    overflow-x: auto !important;
-    border-collapse: collapse !important;
-    margin: 0.8em 0 !important;
-    font-size: 14px !important;
-}
-#hy-chat th,
-#hy-chat td {
-    border: 1px solid #e5e5ea !important;
-    padding: 6px 12px !important;
-    text-align: left !important;
-    vertical-align: top !important;
-}
-#hy-chat th {
-    background: #f5f5f7 !important;
-    font-weight: 600 !important;
-}
-.dark #hy-chat th,
-.dark #hy-chat td {
-    border-color: #333 !important;
-}
-.dark #hy-chat th {
-    background: #1f1f1f !important;
-}
-
-/* ── hr ── */
-#hy-chat hr {
-    border: none !important;
-    border-top: 1px solid #e5e5ea !important;
-    margin: 1.2em 0 !important;
-}
-.dark #hy-chat hr {
-    border-top-color: #2a2a2a !important;
-}
-
-/* ── slider progress ── */
-.gradio-container input[type="range"]::-moz-range-progress { background-color: #2563eb !important; }
-.gradio-container input[type="range"]::-moz-range-track { background: #e5e7eb !important; }

static/css/_modals.css

@@ -1,266 +0,0 @@
-/* ─────────────────────────────────────────────────────────────────────────
- * Floating panels: tool-call input area + HTML preview modal.
- *
- * #tool-area lives inside the Gradio tree, so it still needs !important to
- * win the cascade against framework styles.
- *
- * .html-preview-* lives directly under <body> (appended by static/app.js)
- * so it can use plain specificity.
- * ───────────────────────────────────────────────────────────────────────── */
-
-/* ── tool area (inside Gradio) ─────────────────────────────────────────── */
-#tool-area {
-    position: fixed !important;
-    bottom: 120px !important;
-    left: 50% !important;
-    transform: translateX(-50%) !important;
-    width: min(600px, 55%) !important;
-    z-index: 999 !important;
-    background: var(--hy-bg) !important;
-    border: 1px solid var(--hy-border) !important;
-    border-radius: 12px !important;
-    padding: 16px !important;
-    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08) !important;
-}
-.dark #tool-area {
-    background: var(--hy-bg-soft) !important;
-    border-color: var(--hy-border) !important;
-    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5) !important;
-}
-.dark #tool-area *:not(button):not(button *) {
-    background: transparent !important;
-    border-color: var(--hy-border-strong) !important;
-}
-.dark #tool-area textarea,
-.dark #tool-area input[type="text"] {
-    background: var(--hy-bg-muted) !important;
-    color: var(--hy-text) !important;
-    border: 1px solid var(--hy-border-strong) !important;
-}
-.dark #tool-area textarea::placeholder,
-.dark #tool-area input[type="text"]::placeholder {
-    color: var(--hy-text-muted) !important;
-}
-
-/* ── Code-block card (header w/ language label + copy button) ──────────
- *
- * Each fenced code block is wrapped by static/app.js:
- *
- *   <div class="hy-codeblock">
- *     <div class="hy-codeblock-header">
- *       <span class="hy-codeblock-lang">python</span>
- *       <button class="code-copy-btn">…</button>
- *     </div>
- *     <pre><code class="hljs language-…">…</code></pre>
- *   </div>
- *
- * The wrapper owns the rounded border and background so the inner <pre>
- * can be flush with the header (no double border / gap). */
-#hy-chat .hy-codeblock {
-    margin: 0.9em 0;
-    border: 1px solid var(--hy-border);
-    border-radius: 10px;
-    overflow: hidden;
-    background: #f6f7f9;
-}
-.dark #hy-chat .hy-codeblock {
-    border-color: #2a2a2a;
-    background: #0f1115;
-}
-
-#hy-chat .hy-codeblock-header {
-    display: flex;
-    align-items: center;
-    justify-content: space-between;
-    gap: 12px;
-    padding: 6px 8px 6px 14px;
-    background: #ececef;
-    border-bottom: 1px solid var(--hy-border);
-    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text",
-        "Segoe UI", Roboto, sans-serif;
-    font-size: 12px;
-    line-height: 1;
-    color: #6b6b6b;
-    user-select: none;
-}
-.dark #hy-chat .hy-codeblock-header {
-    background: #1a1d22;
-    border-bottom-color: #262a30;
-    color: #9ca3af;
-}
-
-#hy-chat .hy-codeblock-lang {
-    text-transform: lowercase;
-    letter-spacing: 0.02em;
-    font-weight: 500;
-}
-#hy-chat .hy-codeblock-lang:empty::before {
-    content: "text";
-    opacity: 0.7;
-}
-
-/* Strip the standalone <pre> chrome from _misc.css when nested in a
- * .hy-codeblock — the wrapper provides the border/radius/background. */
-#hy-chat .hy-codeblock pre {
-    margin: 0 !important;
-    border: none !important;
-    border-radius: 0 !important;
-    background: transparent !important;
-    padding: 12px 16px !important;
-}
-
-/* Copy button — lives in the header, simple icon button. */
-#hy-chat .hy-codeblock-header .code-copy-btn {
-    flex-shrink: 0;
-    width: 26px;
-    height: 26px;
-    padding: 0;
-    display: inline-flex;
-    align-items: center;
-    justify-content: center;
-    color: inherit;
-    background: transparent;
-    border: none;
-    border-radius: 6px;
-    cursor: pointer;
-    transition: background 0.15s ease, color 0.15s ease;
-}
-#hy-chat .hy-codeblock-header .code-copy-btn svg {
-    display: block;
-    width: 14px;
-    height: 14px;
-}
-#hy-chat .hy-codeblock-header .code-copy-btn:hover {
-    background: rgba(0, 0, 0, 0.06);
-    color: #111;
-}
-#hy-chat .hy-codeblock-header .code-copy-btn:focus {
-    outline: none;
-}
-#hy-chat .hy-codeblock-header .code-copy-btn:focus-visible {
-    outline: 2px solid var(--hy-accent, #2563eb);
-    outline-offset: 1px;
-}
-#hy-chat .hy-codeblock-header .code-copy-btn.copied,
-#hy-chat .hy-codeblock-header .code-copy-btn.copied:hover {
-    color: #0a7f3f;
-    background: transparent;
-}
-.dark #hy-chat .hy-codeblock-header .code-copy-btn:hover {
-    background: rgba(255, 255, 255, 0.08);
-    color: #f5f5f5;
-}
-.dark #hy-chat .hy-codeblock-header .code-copy-btn.copied,
-.dark #hy-chat .hy-codeblock-header .code-copy-btn.copied:hover {
-    color: #4ade80;
-    background: transparent;
-}
-
-/* ── HTML preview play button (under code blocks) ─────────────────────── */
-.html-preview-btn {
-    display: inline-flex;
-    align-items: center;
-    background: none;
-    border: none;
-    padding: 2px 0;
-    margin: 2px 0 6px;
-    cursor: pointer;
-    font-size: 0;
-    line-height: 1;
-    transition: opacity 0.15s ease;
-}
-.html-preview-btn::before {
-    content: "▶ html preview";
-    font-size: 12px;
-    color: var(--hy-accent);
-    font-weight: 400;
-    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
-}
-.html-preview-btn:hover {
-    opacity: 0.7;
-}
-
-/* ── HTML preview modal (outside Gradio, under <body>) ────────────────── */
-.html-preview-overlay {
-    position: fixed;
-    inset: 0;
-    z-index: 10000;
-    background: rgba(0, 0, 0, 0.5);
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    animation: fadeIn 0.2s ease;
-}
-@keyframes fadeIn {
-    from { opacity: 0; }
-    to   { opacity: 1; }
-}
-
-.html-preview-modal {
-    width: 90vw;
-    height: 85vh;
-    background: var(--hy-bg);
-    border-radius: 12px;
-    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
-    display: flex;
-    flex-direction: column;
-    overflow: hidden;
-    animation: modalSlideUp 0.25s ease;
-}
-.dark .html-preview-modal {
-    background: var(--hy-bg-soft);
-    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
-}
-@keyframes modalSlideUp {
-    from { transform: translateY(30px); opacity: 0; }
-    to   { transform: translateY(0); opacity: 1; }
-}
-
-.html-preview-header {
-    display: flex;
-    align-items: center;
-    justify-content: space-between;
-    padding: 12px 20px;
-    border-bottom: 1px solid var(--hy-border);
-    background: var(--hy-bg-soft);
-    flex-shrink: 0;
-}
-.dark .html-preview-header {
-    background: var(--hy-bg-muted);
-}
-
-.html-preview-title {
-    font-size: 14px;
-    font-weight: 600;
-    color: var(--hy-text);
-    display: flex;
-    align-items: center;
-    gap: 8px;
-}
-.html-preview-title::before {
-    content: "⬡";
-    color: var(--hy-accent);
-}
-
-.html-preview-close {
-    background: none;
-    border: none;
-    font-size: 20px;
-    color: var(--hy-text-muted);
-    cursor: pointer;
-    padding: 4px 8px;
-    border-radius: 6px;
-    line-height: 1;
-    transition: all 0.15s ease;
-}
-.html-preview-close:hover {
-    background: #fee2e2;
-    color: #dc2626;
-}
-
-.html-preview-iframe {
-    flex: 1;
-    border: none;
-    width: 100%;
-    background: var(--hy-bg);
-}

static/css/_perf.css

@@ -1,50 +0,0 @@
-/* ── Long-conversation rendering optimizations ─────────────────────────
- *
- * Three CSS optimizations have been tried on ``.message-row`` and all
- * three were ULTIMATELY REMOVED because each caused a real, repeatable
- * scroll-geometry bug:
- *
- *   1. ``contain: layout`` — when a child ``<details
- *      class="thinking-block">`` collapsed (either via
- *      ``markThinkingDone`` mid-stream OR via a user click), the row's
- *      contribution to ``#hy-chat``'s ``scrollHeight`` got stranded at
- *      the pre-collapse value on Chromium. The user would scroll up
- *      to read history, drag the scrollbar back to the bottom, and
- *      the thumb would hit the end of the track while the chat
- *      stopped many screens above the latest message; the wheel did
- *      nothing because they really were at ``scrollHeight -
- *      clientHeight``. Manually toggling the collapsed Thinking block
- *      open forced a relayout that fixed it — the diagnostic
- *      fingerprint.
- *
- *   2. ``contain: paint`` — the same symptom recurred under a
- *      narrower trigger: assistant turns containing wide elements
- *      (most commonly markdown tables, also ``katex-display`` blocks,
- *      and fenced code with long lines). ``paint`` containment makes
- *      the row a stacking context AND clips overflow at the contain
- *      box. Combined with the post-stream lazy-render passes
- *      (``hljs.highlightElement``, KaTeX re-render of the streaming
- *      tail, table column-width pass), the row's reported size in
- *      ``#hy-chat``'s scroll metrics drifted away from its real
- *      rendered size by hundreds-to-thousands of pixels. Toggling
- *      Thinking no longer fixed this case because the stranded value
- *      was on the post-table row, not the row containing Thinking.
- *
- *   3. ``content-visibility: auto`` — skipping render for off-screen
- *      rows. Row heights vary wildly (a "你好" reply is ~40px, a
- *      math derivation or table-heavy answer is 3000–5000px). With
- *      ``contain-intrinsic-size: auto 240px`` as the placeholder,
- *      scrolling up by a tiny amount caused off-screen rows to expand
- *      from 240px to their real size, growing ``scrollHeight`` by
- *      thousands of pixels in a single frame. Browser scroll
- *      anchoring did not reliably compensate, so the view jumped far
- *      up the conversation and felt broken.
- *
- * If we ever need any of these optimizations back, gate them behind a
- * row-count threshold (only apply to rows older than the last N) and,
- * for option 3, measure each row's real height before swapping it out
- * so ``contain-intrinsic-size`` is per-row rather than a single
- * global guess. For options 1 & 2, also wire a ``ResizeObserver`` on
- * each row that re-dispatches ``hy-chat:updated`` whenever the row's
- * height changes (the scroll-lock in ``static/app.js`` uses that
- * event to re-evaluate / re-pin). */

static/css/_thinking.css

@@ -1,35 +0,0 @@
-/* ── thinking toggle ── */
-#hy-chat .thinking-block {
-    background: none !important;
-    border: none !important;
-    padding: 0 !important;
-    margin: 6px 0 10px !important;
-}
-#hy-chat .thinking-block summary {
-    cursor: pointer;
-    font-size: 13px !important;
-    font-weight: 400 !important;
-    color: #8a8a8e !important;
-    padding: 0 !important;
-    list-style: none !important;
-    display: inline-flex;
-    align-items: center;
-    gap: 4px;
-}
-#hy-chat .thinking-block summary:hover { color: #666 !important; }
-.dark #hy-chat .thinking-block summary { color: #808080 !important; }
-.dark #hy-chat .thinking-block summary:hover { color: #aaa !important; }
-#hy-chat .thinking-block summary::marker,
-#hy-chat .thinking-block summary::-webkit-details-marker { display: none !important; }
-#hy-chat .thinking-block summary::after { content: " ›" !important; font-size: 13px; color: #bbb; }
-#hy-chat .thinking-block[open] summary::after { content: " ⌄" !important; }
-#hy-chat .thinking-block[open] summary { margin-bottom: 8px !important; }
-#hy-chat .thinking-block[open] > :not(summary) {
-    font-size: 13px; color: #666; line-height: 1.7;
-    padding: 12px 16px; background: #f8f8fa !important; border-radius: 8px;
-    max-height: 300px; overflow-y: auto; border-left: 2px solid #e5e5ea !important;
-}
-.dark #hy-chat .thinking-block[open] > :not(summary) {
-    color: #909090 !important; background: #1c1c1c !important;
-    border-left-color: #333 !important;
-}

static/css/_typing.css

@@ -1,29 +0,0 @@
-/* ── typing indicator (waiting for model response) ── */
-.typing-indicator {
-    display: flex;
-    align-items: center;
-    gap: 5px;
-    padding: 4px 0;
-    height: 24px;
-}
-.typing-indicator span {
-    width: 8px;
-    height: 8px;
-    background: var(--body-text-color-subdued, #999);
-    border-radius: 50%;
-    animation: typing-bounce 1.4s infinite ease-in-out both;
-}
-.typing-indicator span:nth-child(1) { animation-delay: 0s; }
-.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
-.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
-
-@keyframes typing-bounce {
-    0%, 80%, 100% {
-        transform: scale(0.5);
-        opacity: 0.35;
-    }
-    40% {
-        transform: scale(1);
-        opacity: 1;
-    }
-}

static/css/_variables.css

@@ -1,81 +0,0 @@
-/* ─────────────────────────────────────────────────────────────────────────
- * Design tokens (custom properties)
- *
- * Two layers:
- *   1. ``--hy-*``  : our own palette — referenced from component CSS.
- *   2. ``--*-*-*`` : Gradio's built-in tokens — overridden so Gradio's
- *                    components match the rest of the UI.
- *
- * If you want to retheme HY3, change values here and (almost) nowhere else.
- * ───────────────────────────────────────────────────────────────────────── */
-
-:root, .gradio-container {
-    /* Hy3 palette (light) */
-    --hy-bg:            #ffffff;
-    --hy-bg-soft:       #fafafa;
-    --hy-bg-muted:      #f5f5f7;
-    --hy-text:          #222222;
-    --hy-text-strong:   #111111;
-    --hy-text-muted:    #666666;
-    --hy-border:        #e5e7eb;
-    --hy-border-strong: #d1d1d6;
-    --hy-accent:        #2563eb;
-    --hy-accent-hover:  #1d4ed8;
-    --hy-accent-soft:   #dbeafe;
-    --hy-shadow:        0 1px 4px rgba(0, 0, 0, 0.06);
-
-    /* Gradio framework overrides (light) */
-    --body-background-fill: var(--hy-bg) !important;
-    --block-background-fill: var(--hy-bg) !important;
-    --block-shadow: none !important;
-    --block-border-color: transparent !important;
-    --input-border-width: 1px !important;
-    --input-border-color: var(--hy-border) !important;
-    --color-accent: var(--hy-accent) !important;
-    --color-accent-soft: var(--hy-accent-soft) !important;
-    --button-primary-background-fill: var(--hy-accent) !important;
-    --button-primary-background-fill-hover: var(--hy-accent-hover) !important;
-    --button-primary-text-color: #ffffff !important;
-    --slider-color: var(--hy-accent) !important;
-    --neutral-200: var(--hy-border) !important;
-}
-
-/* Hy3 palette (dark) + matching Gradio overrides */
-.dark {
-    --hy-bg:            #171717;
-    --hy-bg-soft:       #1f1f1f;
-    --hy-bg-muted:      #2a2a2a;
-    --hy-text:          #e8e8e8;
-    --hy-text-strong:   #ffffff;
-    --hy-text-muted:    #909090;
-    --hy-border:        #2a2a2a;
-    --hy-border-strong: #3a3a3a;
-    --hy-accent:        #6b9fff;
-    --hy-accent-hover:  #4b8df8;
-    --hy-accent-soft:   #1a2a3d;
-    --hy-shadow:        0 1px 4px rgba(0, 0, 0, 0.3);
-
-    --body-background-fill: var(--hy-bg) !important;
-    --block-background-fill: var(--hy-bg-soft) !important;
-    --block-shadow: none !important;
-    --block-border-color: var(--hy-border) !important;
-    --input-border-width: 1px !important;
-    --input-border-color: var(--hy-border-strong) !important;
-    --color-accent: var(--hy-accent) !important;
-    --color-accent-soft: var(--hy-accent-soft) !important;
-    --button-primary-background-fill: var(--hy-accent-hover) !important;
-    --button-primary-background-fill-hover: #3a7ce6 !important;
-    --button-primary-text-color: #ffffff !important;
-    --slider-color: var(--hy-accent) !important;
-    --neutral-200: var(--hy-border) !important;
-    --body-text-color: var(--hy-text) !important;
-    --block-label-text-color: #c0c0c0 !important;
-    --block-title-text-color: #e0e0e0 !important;
-    --input-background-fill: var(--hy-bg-muted) !important;
-    --background-fill-secondary: var(--hy-bg-soft) !important;
-    --background-fill-primary: var(--hy-bg) !important;
-    --border-color-primary: var(--hy-border) !important;
-    --panel-background-fill: var(--hy-bg-soft) !important;
-    --checkbox-background-color: var(--hy-bg-muted) !important;
-    --checkbox-label-background-fill: var(--hy-bg-soft) !important;
-}

static/vendor/highlight/LICENSE

@@ -1,29 +0,0 @@
-BSD 3-Clause License
-
-Copyright (c) 2006, Ivan Sagalaev.
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
-* Redistributions of source code must retain the above copyright notice, this
-  list of conditions and the following disclaimer.
-
-* Redistributions in binary form must reproduce the above copyright notice,
-  this list of conditions and the following disclaimer in the documentation
-  and/or other materials provided with the distribution.
-
-* Neither the name of the copyright holder nor the names of its
-  contributors may be used to endorse or promote products derived from
-  this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
-FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

static/vendor/highlight/github-dark.min.css

@@ -1,10 +0,0 @@
-pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}/*!
-  Theme: GitHub Dark
-  Description: Dark theme as seen on github.com
-  Author: github.com
-  Maintainer: @Hirse
-  Updated: 2021-05-15
-
-  Outdated base version: https://github.com/primer/github-syntax-dark
-  Current colors taken from GitHub's CSS
-*/.hljs{color:#c9d1d9;background:#0d1117}.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#ff7b72}.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#d2a8ff}.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id,.hljs-variable{color:#79c0ff}.hljs-meta .hljs-string,.hljs-regexp,.hljs-string{color:#a5d6ff}.hljs-built_in,.hljs-symbol{color:#ffa657}.hljs-code,.hljs-comment,.hljs-formula{color:#8b949e}.hljs-name,.hljs-quote,.hljs-selector-pseudo,.hljs-selector-tag{color:#7ee787}.hljs-subst{color:#c9d1d9}.hljs-section{color:#1f6feb;font-weight:700}.hljs-bullet{color:#f2cc60}.hljs-emphasis{color:#c9d1d9;font-style:italic}.hljs-strong{color:#c9d1d9;font-weight:700}.hljs-addition{color:#aff5b4;background-color:#033a16}.hljs-deletion{color:#ffdcd7;background-color:#67060c}

static/vendor/highlight/github.min.css

@@ -1,18 +0,0 @@
-/**
- * Minified by jsDelivr using clean-css v5.3.3.
- * Original file: /gh/highlightjs/cdn-release@11.10.0/build/styles/github.css
- *
- * Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files
- */
-pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}/*!
-  Theme: GitHub
-  Description: Light theme as seen on github.com
-  Author: github.com
-  Maintainer: @Hirse
-  Updated: 2021-05-15
-
-  Outdated base version: https://github.com/primer/github-syntax-light
-  Current colors taken from GitHub's CSS
-*/
-.hljs{color:#24292e;background:#fff}.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#d73a49}.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#6f42c1}.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id,.hljs-variable{color:#005cc5}.hljs-meta .hljs-string,.hljs-regexp,.hljs-string{color:#032f62}.hljs-built_in,.hljs-symbol{color:#e36209}.hljs-code,.hljs-comment,.hljs-formula{color:#6a737d}.hljs-name,.hljs-quote,.hljs-selector-pseudo,.hljs-selector-tag{color:#22863a}.hljs-subst{color:#24292e}.hljs-section{color:#005cc5;font-weight:700}.hljs-bullet{color:#735c0f}.hljs-emphasis{color:#24292e;font-style:italic}.hljs-strong{color:#24292e;font-weight:700}.hljs-addition{color:#22863a;background-color:#f0fff4}.hljs-deletion{color:#b31d28;background-color:#ffeef0}
-/*# sourceMappingURL=/sm/4af24df1ef2dd5fc126923c27abd2503f82240131784ba83446a7a23be61ec0f.map */

static/vendor/katex/LICENSE

@@ -1,27 +0,0 @@
-The MIT License (MIT)
-
-Copyright (c) 2013-2020 Khan Academy and other contributors
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-
-----------------------------------------------------------------------
-
-NOTE: The KaTeX font files (under ./fonts/) are NOT covered by this MIT
-license. They are licensed separately under the SIL Open Font License,
-Version 1.1 — see ./fonts/OFL.txt.

static/vendor/katex/auto-render.min.js

@@ -1 +0,0 @@
-!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t(require("katex")):"function"==typeof define&&define.amd?define(["katex"],t):"object"==typeof exports?exports.renderMathInElement=t(require("katex")):e.renderMathInElement=t(e.katex)}("undefined"!=typeof self?self:this,(function(e){return function(){"use strict";var t={757:function(t){t.exports=e}},n={};function r(e){var o=n[e];if(void 0!==o)return o.exports;var i=n[e]={exports:{}};return t[e](i,i.exports,r),i.exports}r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,{a:t}),t},r.d=function(e,t){for(var n in t)r.o(t,n)&&!r.o(e,n)&&Object.defineProperty(e,n,{enumerable:!0,get:t[n]})},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)};var o={};r.d(o,{default:function(){return p}});var i=r(757),a=r.n(i);const l=function(e,t,n){let r=n,o=0;const i=e.length;for(;r<t.length;){const n=t[r];if(o<=0&&t.slice(r,r+i)===e)return r;"\\"===n?r++:"{"===n?o++:"}"===n&&o--,r++}return-1},s=/^\\begin{/;var d=function(e,t){let n;const r=[],o=new RegExp("("+t.map((e=>e.left.replace(/[-/\\^$*+?.()|[\]{}]/g,"\\$&"))).join("|")+")");for(;n=e.search(o),-1!==n;){n>0&&(r.push({type:"text",data:e.slice(0,n)}),e=e.slice(n));const o=t.findIndex((t=>e.startsWith(t.left)));if(n=l(t[o].right,e,t[o].left.length),-1===n)break;const i=e.slice(0,n+t[o].right.length),a=s.test(i)?i:e.slice(t[o].left.length,n);r.push({type:"math",data:a,rawData:i,display:t[o].display}),e=e.slice(n+t[o].right.length)}return""!==e&&r.push({type:"text",data:e}),r};const c=function(e,t){const n=d(e,t.delimiters);if(1===n.length&&"text"===n[0].type)return null;const r=document.createDocumentFragment();for(let e=0;e<n.length;e++)if("text"===n[e].type)r.appendChild(document.createTextNode(n[e].data));else{const o=document.createElement("span");let i=n[e].data;t.displayMode=n[e].display;try{t.preProcess&&(i=t.preProcess(i)),a().render(i,o,t)}catch(o){if(!(o instanceof a().ParseError))throw o;t.errorCallback("KaTeX auto-render: Failed to parse `"+n[e].data+"` with ",o),r.appendChild(document.createTextNode(n[e].rawData));continue}r.appendChild(o)}return r},f=function(e,t){for(let n=0;n<e.childNodes.length;n++){const r=e.childNodes[n];if(3===r.nodeType){let o=r.textContent,i=r.nextSibling,a=0;for(;i&&i.nodeType===Node.TEXT_NODE;)o+=i.textContent,i=i.nextSibling,a++;const l=c(o,t);if(l){for(let e=0;e<a;e++)r.nextSibling.remove();n+=l.childNodes.length-1,e.replaceChild(l,r)}else n+=a}else if(1===r.nodeType){const e=" "+r.className+" ";-1===t.ignoredTags.indexOf(r.nodeName.toLowerCase())&&t.ignoredClasses.every((t=>-1===e.indexOf(" "+t+" ")))&&f(r,t)}}};var p=function(e,t){if(!e)throw new Error("No element provided to render");const n={};for(const e in t)t.hasOwnProperty(e)&&(n[e]=t[e]);n.delimiters=n.delimiters||[{left:"$$",right:"$$",display:!0},{left:"\\(",right:"\\)",display:!1},{left:"\\begin{equation}",right:"\\end{equation}",display:!0},{left:"\\begin{align}",right:"\\end{align}",display:!0},{left:"\\begin{alignat}",right:"\\end{alignat}",display:!0},{left:"\\begin{gather}",right:"\\end{gather}",display:!0},{left:"\\begin{CD}",right:"\\end{CD}",display:!0},{left:"\\[",right:"\\]",display:!0}],n.ignoredTags=n.ignoredTags||["script","noscript","style","textarea","pre","code","option"],n.ignoredClasses=n.ignoredClasses||[],n.errorCallback=n.errorCallback||console.error,n.macros=n.macros||{},f(e,n)};return o=o.default}()}));

static/vendor/katex/fonts/OFL.txt

@@ -1,98 +0,0 @@
-Copyright (c) 2009-2010, Design Science, Inc. (<www.mathjax.org>),
-with Reserved Font Name STIX-Web, Asana-Math, STIX, XITS, Latin Modern.
-
-Copyright (c) 2014-2020, Khan Academy (<www.khanacademy.org>),
-with Reserved Font Name KaTeX_AMS, KaTeX_Caligraphic, KaTeX_Fraktur,
-KaTeX_Main, KaTeX_Math, KaTeX_SansSerif, KaTeX_Script, KaTeX_Size1,
-KaTeX_Size2, KaTeX_Size3, KaTeX_Size4, KaTeX_Typewriter.
-
-This Font Software is licensed under the SIL Open Font License, Version 1.1.
-This license is copied below, and is also available with a FAQ at:
-https://openfontlicense.org
-
------------------------------------------------------------
-SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
------------------------------------------------------------
-
-PREAMBLE
-The goals of the Open Font License (OFL) are to stimulate worldwide
-development of collaborative font projects, to support the font creation
-efforts of academic and linguistic communities, and to provide a free and
-open framework in which fonts may be shared and improved in partnership
-with others.
-
-The OFL allows the licensed fonts to be used, studied, modified and
-redistributed freely as long as they are not sold by themselves. The
-fonts, including any derivative works, can be bundled, embedded,
-redistributed and/or sold with any software provided that any reserved
-names are not used by derivative works. The fonts and derivatives,
-however, cannot be released under any other type of license. The
-requirement for fonts to remain under this license does not apply
-to any document created using the fonts or their derivatives.
-
-DEFINITIONS
-"Font Software" refers to the set of files released by the Copyright
-Holder(s) under this license and clearly marked as such. This may
-include source files, build scripts and documentation.
-
-"Reserved Font Name" refers to any names specified as such after the
-copyright statement(s).
-
-"Original Version" refers to the collection of Font Software components as
-distributed by the Copyright Holder(s).
-
-"Modified Version" refers to any derivative made by adding to, deleting,
-or substituting -- in part or in whole -- any of the components of the
-Original Version, by changing formats or by porting the Font Software to a
-new environment.
-
-"Author" refers to any designer, engineer, programmer, technical
-writer or other person who contributed to the Font Software.
-
-PERMISSION & CONDITIONS
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of the Font Software, to use, study, copy, merge, embed, modify,
-redistribute, and sell modified and unmodified copies of the Font
-Software, subject to the following conditions:
-
-1) Neither the Font Software nor any of its individual components,
-in Original or Modified Versions, may be sold by itself.
-
-2) Original or Modified Versions of the Font Software may be bundled,
-redistributed and/or sold with any software, provided that each copy
-contains the above copyright notice and this license. These can be
-included either as stand-alone text files, human-readable headers or
-in the appropriate machine-readable metadata fields within text or
-binary files as long as those fields can be easily viewed by the user.
-
-3) No Modified Version of the Font Software may use the Reserved Font
-Name(s) unless explicit written permission is granted by the corresponding
-Copyright Holder. This restriction only applies to the primary font name as
-presented to the users.
-
-4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
-Software shall not be used to promote, endorse or advertise any
-Modified Version, except to acknowledge the contribution(s) of the
-Copyright Holder(s) and the Author(s) or with their explicit written
-permission.
-
-5) The Font Software, modified or unmodified, in part or in whole,
-must be distributed entirely under this license, and must not be
-distributed under any other license. The requirement for fonts to
-remain under this license does not apply to any document created
-using the Font Software.
-
-TERMINATION
-This license becomes null and void if any of the above conditions are
-not met.
-
-DISCLAIMER
-THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
-OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
-COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
-DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
-OTHER DEALINGS IN THE FONT SOFTWARE.

static/vendor/katex/katex.min.css

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static/vendor/marked/LICENSE

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-# License information
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-## Contribution License Agreement
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-If you contribute code to this project, you are implicitly allowing your code
-to be distributed under the MIT license. You are also implicitly verifying that
-all code is your original work.
-
-## Marked
-
-Copyright (c) 2018+, MarkedJS (https://github.com/markedjs/)
-Copyright (c) 2011-2018, Christopher Jeffrey (https://github.com/chjj/)
-
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-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
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-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-
-## Markdown
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-http://daringfireball.net/
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-* Neither the name "Markdown" nor the names of its contributors may be used
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static/vendor/marked/marked.min.js

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e="\n"===t[1].charAt(t[1].length-1)?t[1].slice(0,-1):t[1];return{type:"paragraph",raw:t[0],text:e,tokens:this.lexer.inline(e)}}}text(e){const t=this.rules.block.text.exec(e);if(t)return{type:"text",raw:t[0],text:t[0],tokens:this.lexer.inline(t[0])}}escape(e){const t=this.rules.inline.escape.exec(e);if(t)return{type:"escape",raw:t[0],text:t[1]}}tag(e){const t=this.rules.inline.tag.exec(e);if(t)return!this.lexer.state.inLink&&this.rules.other.startATag.test(t[0])?this.lexer.state.inLink=!0:this.lexer.state.inLink&&this.rules.other.endATag.test(t[0])&&(this.lexer.state.inLink=!1),!this.lexer.state.inRawBlock&&this.rules.other.startPreScriptTag.test(t[0])?this.lexer.state.inRawBlock=!0:this.lexer.state.inRawBlock&&this.rules.other.endPreScriptTag.test(t[0])&&(this.lexer.state.inRawBlock=!1),{type:"html",raw:t[0],inLink:this.lexer.state.inLink,inRawBlock:this.lexer.state.inRawBlock,block:!1,text:t[0]}}link(e){const t=this.rules.inline.link.exec(e);if(t){const e=t[2].trim();if(!this.options.pedantic&&this.rules.other.startAngleBracket.test(e)){if(!this.rules.other.endAngleBracket.test(e))return;const t=te(e.slice(0,-1),"\\");if((e.length-t.length)%2==0)return}else{const e=function(e,t){if(-1===e.indexOf(t[1]))return-1;let n=0;for(let s=0;s<e.length;s++)if("\\"===e[s])s++;else if(e[s]===t[0])n++;else if(e[s]===t[1]&&(n--,n<0))return s;return-1}(t[2],"()");if(e>-1){const n=(0===t[0].indexOf("!")?5:4)+t[1].length+e;t[2]=t[2].substring(0,e),t[0]=t[0].substring(0,n).trim(),t[3]=""}}let n=t[2],s="";if(this.options.pedantic){const e=this.rules.other.pedanticHrefTitle.exec(n);e&&(n=e[1],s=e[3])}else s=t[3]?t[3].slice(1,-1):"";return n=n.trim(),this.rules.other.startAngleBracket.test(n)&&(n=this.options.pedantic&&!this.rules.other.endAngleBracket.test(e)?n.slice(1):n.slice(1,-1)),ne(t,{href:n?n.replace(this.rules.inline.anyPunctuation,"$1"):n,title:s?s.replace(this.rules.inline.anyPunctuation,"$1"):s},t[0],this.lexer,this.rules)}}reflink(e,t){let n;if((n=this.rules.inline.reflink.exec(e))||(n=this.rules.inline.nolink.exec(e))){const e=t[(n[2]||n[1]).replace(this.rules.other.multipleSpaceGlobal," ").toLowerCase()];if(!e){const e=n[0].charAt(0);return{type:"text",raw:e,text:e}}return ne(n,e,n[0],this.lexer,this.rules)}}emStrong(e,t,n=""){let s=this.rules.inline.emStrongLDelim.exec(e);if(!s)return;if(s[3]&&n.match(this.rules.other.unicodeAlphaNumeric))return;if(!(s[1]||s[2]||"")||!n||this.rules.inline.punctuation.exec(n)){const n=[...s[0]].length-1;let r,i,l=n,o=0;const a="*"===s[0][0]?this.rules.inline.emStrongRDelimAst:this.rules.inline.emStrongRDelimUnd;for(a.lastIndex=0,t=t.slice(-1*e.length+n);null!=(s=a.exec(t));){if(r=s[1]||s[2]||s[3]||s[4]||s[5]||s[6],!r)continue;if(i=[...r].length,s[3]||s[4]){l+=i;continue}if((s[5]||s[6])&&n%3&&!((n+i)%3)){o+=i;continue}if(l-=i,l>0)continue;i=Math.min(i,i+l+o);const t=[...s[0]][0].length,a=e.slice(0,n+s.index+t+i);if(Math.min(n,i)%2){const e=a.slice(1,-1);return{type:"em",raw:a,text:e,tokens:this.lexer.inlineTokens(e)}}const c=a.slice(2,-2);return{type:"strong",raw:a,text:c,tokens:this.lexer.inlineTokens(c)}}}}codespan(e){const t=this.rules.inline.code.exec(e);if(t){let e=t[2].replace(this.rules.other.newLineCharGlobal," ");const n=this.rules.other.nonSpaceChar.test(e),s=this.rules.other.startingSpaceChar.test(e)&&this.rules.other.endingSpaceChar.test(e);return n&&s&&(e=e.substring(1,e.length-1)),{type:"codespan",raw:t[0],text:e}}}br(e){const t=this.rules.inline.br.exec(e);if(t)return{type:"br",raw:t[0]}}del(e){const t=this.rules.inline.del.exec(e);if(t)return{type:"del",raw:t[0],text:t[2],tokens:this.lexer.inlineTokens(t[2])}}autolink(e){const t=this.rules.inline.autolink.exec(e);if(t){let e,n;return"@"===t[2]?(e=t[1],n="mailto:"+e):(e=t[1],n=e),{type:"link",raw:t[0],text:e,href:n,tokens:[{type:"text",raw:e,text:e}]}}}url(e){let t;if(t=this.rules.inline.url.exec(e)){let e,n;if("@"===t[2])e=t[0],n="mailto:"+e;else{let s;do{s=t[0],t[0]=this.rules.inline._backpedal.exec(t[0])?.[0]??""}while(s!==t[0]);e=t[0],n="www."===t[1]?"http://"+t[0]:t[0]}return{type:"link",raw:t[0],text:e,href:n,tokens:[{type:"text",raw:e,text:e}]}}}inlineText(e){const t=this.rules.inline.text.exec(e);if(t){const e=this.lexer.state.inRawBlock;return{type:"text",raw:t[0],text:t[0],escaped:e}}}}class re{tokens;options;state;tokenizer;inlineQueue;constructor(t){this.tokens=[],this.tokens.links=Object.create(null),this.options=t||e.defaults,this.options.tokenizer=this.options.tokenizer||new se,this.tokenizer=this.options.tokenizer,this.tokenizer.options=this.options,this.tokenizer.lexer=this,this.inlineQueue=[],this.state={inLink:!1,inRawBlock:!1,top:!0};const n={other:i,block:U.normal,inline:J.normal};this.options.pedantic?(n.block=U.pedantic,n.inline=J.pedantic):this.options.gfm&&(n.block=U.gfm,this.options.breaks?n.inline=J.breaks:n.inline=J.gfm),this.tokenizer.rules=n}static get rules(){return{block:U,inline:J}}static lex(e,t){return new re(t).lex(e)}static lexInline(e,t){return new re(t).inlineTokens(e)}lex(e){e=e.replace(i.carriageReturn,"\n"),this.blockTokens(e,this.tokens);for(let e=0;e<this.inlineQueue.length;e++){const t=this.inlineQueue[e];this.inlineTokens(t.src,t.tokens)}return this.inlineQueue=[],this.tokens}blockTokens(e,t=[],n=!1){for(this.options.pedantic&&(e=e.replace(i.tabCharGlobal,"    ").replace(i.spaceLine,""));e;){let s;if(this.options.extensions?.block?.some((n=>!!(s=n.call({lexer:this},e,t))&&(e=e.substring(s.raw.length),t.push(s),!0))))continue;if(s=this.tokenizer.space(e)){e=e.substring(s.raw.length);const n=t.at(-1);1===s.raw.length&&void 0!==n?n.raw+="\n":t.push(s);continue}if(s=this.tokenizer.code(e)){e=e.substring(s.raw.length);const n=t.at(-1);"paragraph"===n?.type||"text"===n?.type?(n.raw+="\n"+s.raw,n.text+="\n"+s.text,this.inlineQueue.at(-1).src=n.text):t.push(s);continue}if(s=this.tokenizer.fences(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.heading(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.hr(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.blockquote(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.list(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.html(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.def(e)){e=e.substring(s.raw.length);const n=t.at(-1);"paragraph"===n?.type||"text"===n?.type?(n.raw+="\n"+s.raw,n.text+="\n"+s.raw,this.inlineQueue.at(-1).src=n.text):this.tokens.links[s.tag]||(this.tokens.links[s.tag]={href:s.href,title:s.title});continue}if(s=this.tokenizer.table(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.lheading(e)){e=e.substring(s.raw.length),t.push(s);continue}let r=e;if(this.options.extensions?.startBlock){let t=1/0;const n=e.slice(1);let s;this.options.extensions.startBlock.forEach((e=>{s=e.call({lexer:this},n),"number"==typeof s&&s>=0&&(t=Math.min(t,s))})),t<1/0&&t>=0&&(r=e.substring(0,t+1))}if(this.state.top&&(s=this.tokenizer.paragraph(r))){const i=t.at(-1);n&&"paragraph"===i?.type?(i.raw+="\n"+s.raw,i.text+="\n"+s.text,this.inlineQueue.pop(),this.inlineQueue.at(-1).src=i.text):t.push(s),n=r.length!==e.length,e=e.substring(s.raw.length)}else if(s=this.tokenizer.text(e)){e=e.substring(s.raw.length);const n=t.at(-1);"text"===n?.type?(n.raw+="\n"+s.raw,n.text+="\n"+s.text,this.inlineQueue.pop(),this.inlineQueue.at(-1).src=n.text):t.push(s)}else if(e){const t="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(t);break}throw new Error(t)}}return this.state.top=!0,t}inline(e,t=[]){return this.inlineQueue.push({src:e,tokens:t}),t}inlineTokens(e,t=[]){let n=e,s=null;if(this.tokens.links){const e=Object.keys(this.tokens.links);if(e.length>0)for(;null!=(s=this.tokenizer.rules.inline.reflinkSearch.exec(n));)e.includes(s[0].slice(s[0].lastIndexOf("[")+1,-1))&&(n=n.slice(0,s.index)+"["+"a".repeat(s[0].length-2)+"]"+n.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex))}for(;null!=(s=this.tokenizer.rules.inline.blockSkip.exec(n));)n=n.slice(0,s.index)+"["+"a".repeat(s[0].length-2)+"]"+n.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);for(;null!=(s=this.tokenizer.rules.inline.anyPunctuation.exec(n));)n=n.slice(0,s.index)+"++"+n.slice(this.tokenizer.rules.inline.anyPunctuation.lastIndex);let r=!1,i="";for(;e;){let s;if(r||(i=""),r=!1,this.options.extensions?.inline?.some((n=>!!(s=n.call({lexer:this},e,t))&&(e=e.substring(s.raw.length),t.push(s),!0))))continue;if(s=this.tokenizer.escape(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.tag(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.link(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.reflink(e,this.tokens.links)){e=e.substring(s.raw.length);const n=t.at(-1);"text"===s.type&&"text"===n?.type?(n.raw+=s.raw,n.text+=s.text):t.push(s);continue}if(s=this.tokenizer.emStrong(e,n,i)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.codespan(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.br(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.del(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.autolink(e)){e=e.substring(s.raw.length),t.push(s);continue}if(!this.state.inLink&&(s=this.tokenizer.url(e))){e=e.substring(s.raw.length),t.push(s);continue}let l=e;if(this.options.extensions?.startInline){let t=1/0;const n=e.slice(1);let s;this.options.extensions.startInline.forEach((e=>{s=e.call({lexer:this},n),"number"==typeof s&&s>=0&&(t=Math.min(t,s))})),t<1/0&&t>=0&&(l=e.substring(0,t+1))}if(s=this.tokenizer.inlineText(l)){e=e.substring(s.raw.length),"_"!==s.raw.slice(-1)&&(i=s.raw.slice(-1)),r=!0;const n=t.at(-1);"text"===n?.type?(n.raw+=s.raw,n.text+=s.text):t.push(s)}else if(e){const t="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(t);break}throw new Error(t)}}return t}}class ie{options;parser;constructor(t){this.options=t||e.defaults}space(e){return""}code({text:e,lang:t,escaped:n}){const s=(t||"").match(i.notSpaceStart)?.[0],r=e.replace(i.endingNewline,"")+"\n";return s?'<pre><code class="language-'+W(s)+'">'+(n?r:W(r,!0))+"</code></pre>\n":"<pre><code>"+(n?r:W(r,!0))+"</code></pre>\n"}blockquote({tokens:e}){return`<blockquote>\n${this.parser.parse(e)}</blockquote>\n`}html({text:e}){return e}heading({tokens:e,depth:t}){return`<h${t}>${this.parser.parseInline(e)}</h${t}>\n`}hr(e){return"<hr>\n"}list(e){const t=e.ordered,n=e.start;let s="";for(let t=0;t<e.items.length;t++){const n=e.items[t];s+=this.listitem(n)}const r=t?"ol":"ul";return"<"+r+(t&&1!==n?' start="'+n+'"':"")+">\n"+s+"</"+r+">\n"}listitem(e){let t="";if(e.task){const n=this.checkbox({checked:!!e.checked});e.loose?"paragraph"===e.tokens[0]?.type?(e.tokens[0].text=n+" "+e.tokens[0].text,e.tokens[0].tokens&&e.tokens[0].tokens.length>0&&"text"===e.tokens[0].tokens[0].type&&(e.tokens[0].tokens[0].text=n+" "+W(e.tokens[0].tokens[0].text),e.tokens[0].tokens[0].escaped=!0)):e.tokens.unshift({type:"text",raw:n+" ",text:n+" ",escaped:!0}):t+=n+" "}return t+=this.parser.parse(e.tokens,!!e.loose),`<li>${t}</li>\n`}checkbox({checked:e}){return"<input "+(e?'checked="" ':"")+'disabled="" type="checkbox">'}paragraph({tokens:e}){return`<p>${this.parser.parseInline(e)}</p>\n`}table(e){let t="",n="";for(let t=0;t<e.header.length;t++)n+=this.tablecell(e.header[t]);t+=this.tablerow({text:n});let s="";for(let t=0;t<e.rows.length;t++){const r=e.rows[t];n="";for(let e=0;e<r.length;e++)n+=this.tablecell(r[e]);s+=this.tablerow({text:n})}return s&&(s=`<tbody>${s}</tbody>`),"<table>\n<thead>\n"+t+"</thead>\n"+s+"</table>\n"}tablerow({text:e}){return`<tr>\n${e}</tr>\n`}tablecell(e){const t=this.parser.parseInline(e.tokens),n=e.header?"th":"td";return(e.align?`<${n} align="${e.align}">`:`<${n}>`)+t+`</${n}>\n`}strong({tokens:e}){return`<strong>${this.parser.parseInline(e)}</strong>`}em({tokens:e}){return`<em>${this.parser.parseInline(e)}</em>`}codespan({text:e}){return`<code>${W(e,!0)}</code>`}br(e){return"<br>"}del({tokens:e}){return`<del>${this.parser.parseInline(e)}</del>`}link({href:e,title:t,tokens:n}){const s=this.parser.parseInline(n),r=Y(e);if(null===r)return s;let i='<a href="'+(e=r)+'"';return t&&(i+=' title="'+W(t)+'"'),i+=">"+s+"</a>",i}image({href:e,title:t,text:n}){const s=Y(e);if(null===s)return W(n);let r=`<img src="${e=s}" alt="${n}"`;return t&&(r+=` title="${W(t)}"`),r+=">",r}text(e){return"tokens"in e&&e.tokens?this.parser.parseInline(e.tokens):"escaped"in e&&e.escaped?e.text:W(e.text)}}class le{strong({text:e}){return e}em({text:e}){return e}codespan({text:e}){return e}del({text:e}){return e}html({text:e}){return e}text({text:e}){return e}link({text:e}){return""+e}image({text:e}){return""+e}br(){return""}}class oe{options;renderer;textRenderer;constructor(t){this.options=t||e.defaults,this.options.renderer=this.options.renderer||new ie,this.renderer=this.options.renderer,this.renderer.options=this.options,this.renderer.parser=this,this.textRenderer=new le}static parse(e,t){return new oe(t).parse(e)}static parseInline(e,t){return new oe(t).parseInline(e)}parse(e,t=!0){let n="";for(let s=0;s<e.length;s++){const r=e[s];if(this.options.extensions?.renderers?.[r.type]){const e=r,t=this.options.extensions.renderers[e.type].call({parser:this},e);if(!1!==t||!["space","hr","heading","code","table","blockquote","list","html","paragraph","text"].includes(e.type)){n+=t||"";continue}}const i=r;switch(i.type){case"space":n+=this.renderer.space(i);continue;case"hr":n+=this.renderer.hr(i);continue;case"heading":n+=this.renderer.heading(i);continue;case"code":n+=this.renderer.code(i);continue;case"table":n+=this.renderer.table(i);continue;case"blockquote":n+=this.renderer.blockquote(i);continue;case"list":n+=this.renderer.list(i);continue;case"html":n+=this.renderer.html(i);continue;case"paragraph":n+=this.renderer.paragraph(i);continue;case"text":{let r=i,l=this.renderer.text(r);for(;s+1<e.length&&"text"===e[s+1].type;)r=e[++s],l+="\n"+this.renderer.text(r);n+=t?this.renderer.paragraph({type:"paragraph",raw:l,text:l,tokens:[{type:"text",raw:l,text:l,escaped:!0}]}):l;continue}default:{const e='Token with "'+i.type+'" type was not found.';if(this.options.silent)return console.error(e),"";throw new Error(e)}}}return n}parseInline(e,t=this.renderer){let n="";for(let s=0;s<e.length;s++){const r=e[s];if(this.options.extensions?.renderers?.[r.type]){const e=this.options.extensions.renderers[r.type].call({parser:this},r);if(!1!==e||!["escape","html","link","image","strong","em","codespan","br","del","text"].includes(r.type)){n+=e||"";continue}}const i=r;switch(i.type){case"escape":case"text":n+=t.text(i);break;case"html":n+=t.html(i);break;case"link":n+=t.link(i);break;case"image":n+=t.image(i);break;case"strong":n+=t.strong(i);break;case"em":n+=t.em(i);break;case"codespan":n+=t.codespan(i);break;case"br":n+=t.br(i);break;case"del":n+=t.del(i);break;default:{const e='Token with "'+i.type+'" type was not found.';if(this.options.silent)return console.error(e),"";throw new Error(e)}}}return n}}class ae{options;block;constructor(t){this.options=t||e.defaults}static passThroughHooks=new Set(["preprocess","postprocess","processAllTokens"]);preprocess(e){return e}postprocess(e){return e}processAllTokens(e){return e}provideLexer(){return this.block?re.lex:re.lexInline}provideParser(){return this.block?oe.parse:oe.parseInline}}class ce{defaults={async:!1,breaks:!1,extensions:null,gfm:!0,hooks:null,pedantic:!1,renderer:null,silent:!1,tokenizer:null,walkTokens:null};options=this.setOptions;parse=this.parseMarkdown(!0);parseInline=this.parseMarkdown(!1);Parser=oe;Renderer=ie;TextRenderer=le;Lexer=re;Tokenizer=se;Hooks=ae;constructor(...e){this.use(...e)}walkTokens(e,t){let n=[];for(const s of e)switch(n=n.concat(t.call(this,s)),s.type){case"table":{const e=s;for(const s of e.header)n=n.concat(this.walkTokens(s.tokens,t));for(const s of e.rows)for(const e of s)n=n.concat(this.walkTokens(e.tokens,t));break}case"list":{const e=s;n=n.concat(this.walkTokens(e.items,t));break}default:{const e=s;this.defaults.extensions?.childTokens?.[e.type]?this.defaults.extensions.childTokens[e.type].forEach((s=>{const r=e[s].flat(1/0);n=n.concat(this.walkTokens(r,t))})):e.tokens&&(n=n.concat(this.walkTokens(e.tokens,t)))}}return n}use(...e){const t=this.defaults.extensions||{renderers:{},childTokens:{}};return e.forEach((e=>{const n={...e};if(n.async=this.defaults.async||n.async||!1,e.extensions&&(e.extensions.forEach((e=>{if(!e.name)throw new Error("extension name required");if("renderer"in e){const n=t.renderers[e.name];t.renderers[e.name]=n?function(...t){let s=e.renderer.apply(this,t);return!1===s&&(s=n.apply(this,t)),s}:e.renderer}if("tokenizer"in e){if(!e.level||"block"!==e.level&&"inline"!==e.level)throw new Error("extension level must be 'block' or 'inline'");const n=t[e.level];n?n.unshift(e.tokenizer):t[e.level]=[e.tokenizer],e.start&&("block"===e.level?t.startBlock?t.startBlock.push(e.start):t.startBlock=[e.start]:"inline"===e.level&&(t.startInline?t.startInline.push(e.start):t.startInline=[e.start]))}"childTokens"in e&&e.childTokens&&(t.childTokens[e.name]=e.childTokens)})),n.extensions=t),e.renderer){const t=this.defaults.renderer||new ie(this.defaults);for(const n in e.renderer){if(!(n in t))throw new Error(`renderer '${n}' does not exist`);if(["options","parser"].includes(n))continue;const s=n,r=e.renderer[s],i=t[s];t[s]=(...e)=>{let n=r.apply(t,e);return!1===n&&(n=i.apply(t,e)),n||""}}n.renderer=t}if(e.tokenizer){const t=this.defaults.tokenizer||new se(this.defaults);for(const n in e.tokenizer){if(!(n in t))throw new Error(`tokenizer '${n}' does not exist`);if(["options","rules","lexer"].includes(n))continue;const s=n,r=e.tokenizer[s],i=t[s];t[s]=(...e)=>{let n=r.apply(t,e);return!1===n&&(n=i.apply(t,e)),n}}n.tokenizer=t}if(e.hooks){const t=this.defaults.hooks||new ae;for(const n in e.hooks){if(!(n in t))throw new Error(`hook '${n}' does not exist`);if(["options","block"].includes(n))continue;const s=n,r=e.hooks[s],i=t[s];ae.passThroughHooks.has(n)?t[s]=e=>{if(this.defaults.async)return Promise.resolve(r.call(t,e)).then((e=>i.call(t,e)));const n=r.call(t,e);return i.call(t,n)}:t[s]=(...e)=>{let n=r.apply(t,e);return!1===n&&(n=i.apply(t,e)),n}}n.hooks=t}if(e.walkTokens){const t=this.defaults.walkTokens,s=e.walkTokens;n.walkTokens=function(e){let n=[];return n.push(s.call(this,e)),t&&(n=n.concat(t.call(this,e))),n}}this.defaults={...this.defaults,...n}})),this}setOptions(e){return this.defaults={...this.defaults,...e},this}lexer(e,t){return re.lex(e,t??this.defaults)}parser(e,t){return oe.parse(e,t??this.defaults)}parseMarkdown(e){return(t,n)=>{const s={...n},r={...this.defaults,...s},i=this.onError(!!r.silent,!!r.async);if(!0===this.defaults.async&&!1===s.async)return i(new Error("marked(): The async option was set to true by an extension. 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