From 91699a382ecddf7cddf41f171a1c7fe81236d876 Mon Sep 17 00:00:00 2001
From: h <h@kotikot.com>
Date: Tue, 13 Oct 2026 01:23:49 +0200
Subject: [PATCH] feat(view,tests): query blocks stay code in text the agent
 did not write

---
 preview/fake-client.ts | 18 +++++++++++++++++-
 src/ui/host.ts         | 18 +++++++++++++++---
 tests/inert.test.ts    | 27 +++++++++++++++++++++++++++
 tests/obsidian-stub.ts |  6 ++++++
 vitest.config.ts       |  1 +
 5 files changed, 66 insertions(+), 4 deletions(-)
 create mode 100644 tests/inert.test.ts

diff --git a/preview/fake-client.ts b/preview/fake-client.ts
index 3d8ea13..df38db1 100644
--- a/preview/fake-client.ts
+++ b/preview/fake-client.ts
@@ -223,7 +223,12 @@ function stamped(messages: HistoryMessage[]): HistoryMessage[] {
 
 const HISTORY: Record<string, HistoryMessage[]> = {
   [MASTER]: [
-    { content: "с утра: дневник приехал? что в хендауте", role: "user" },
+    {
+      content: "с утра: дневник приехал? что в хендауте",
+      role: "user",
+      service:
+        "[envelope - background signal, not a message; react only if it bears on the question]\ntime: 2026-08-29 06:04 (Warsaw)\nvault, changed since 05:09: 📅 дни/2026-08-29.md (+4)\n--- 📅 дни/2026-08-29.md, added lines only ---\n+ # планы\n+ просрочены:\n+ ```tasks\n+ not done\n+ 06:04 - пожалуй пойду спать",
+    },
     {
       content:
         "Приехал. В [[2026-08-28|хендауте]] два хвоста: **бластер** ждёт выбора модели, и **ufw на dell** - порт 62990 снаружи молчит. Ветка по ufw открыта, см. [[ufw на dell]].",
@@ -232,6 +237,11 @@ const HISTORY: Record<string, HistoryMessage[]> = {
     { content: "ок, гони ufw", role: "user" },
     {
       content: [
+        {
+          thinking:
+            "The firewall rule and the proxy config can disagree in two ways: the port is closed, or nothing listens behind it. Reading the Caddy site first tells me which port the outside is supposed to reach at all.",
+          type: "thinking",
+        },
         {
           text: "Смотрю правила через `ssh dell` и сверяю с `site.caddy`.",
           type: "text",
@@ -242,6 +252,12 @@ const HISTORY: Record<string, HistoryMessage[]> = {
           name: "Bash",
           type: "tool_use",
         },
+        {
+          id: "tu_say",
+          input: { text: "Нашёл: снаружи должен отвечать 443, не 62990." },
+          name: "mcp__gateway__say",
+          type: "tool_use",
+        },
       ],
       role: "assistant",
     },
diff --git a/src/ui/host.ts b/src/ui/host.ts
index 96b9592..138f560 100644
--- a/src/ui/host.ts
+++ b/src/ui/host.ts
@@ -1,5 +1,6 @@
 import type { App, Component } from "obsidian";
-import { MarkdownRenderer, Platform } from "obsidian";
+import { MarkdownPreviewRenderer, MarkdownRenderer, Platform } from "obsidian";
+import { inertFences } from "$lib/panel/fences";
 import type { PanelHost } from "$lib/panel/host";
 
 export interface HostOptions {
@@ -12,17 +13,28 @@ export interface HostOptions {
   sourcePath: () => string;
 }
 
+const QUERY_LANGUAGES = new Set(["tasks", "dataview", "dataviewjs", "query"]);
+
+function runs(language: string): boolean {
+  const registered = (
+    MarkdownPreviewRenderer as unknown as {
+      codeBlockPostProcessors?: Record<string, unknown>;
+    }
+  ).codeBlockPostProcessors;
+  return QUERY_LANGUAGES.has(language) || language in (registered ?? {});
+}
+
 // The Obsidian side of the panel: markdown through the app's own renderer,
 // [[links]] opened in place, a conversation's note opened by its binding.
 export function obsidianHost(options: HostOptions): PanelHost {
   const { app, component } = options;
   return {
-    markdown(node, text) {
+    markdown(node, text, { inert = false } = {}) {
       let alive = true;
       const staging = document.createElement("div");
       MarkdownRenderer.render(
         app,
-        text,
+        inert ? inertFences(text, runs) : text,
         staging,
         options.sourcePath(),
         component
diff --git a/tests/inert.test.ts b/tests/inert.test.ts
new file mode 100644
index 0000000..1116bba
--- /dev/null
+++ b/tests/inert.test.ts
@@ -0,0 +1,27 @@
+import { describe, expect, it } from "vitest";
+import { inertFences } from "$lib/panel/fences";
+
+const runs = (language: string) => ["tasks", "dataview"].includes(language);
+
+describe("inertFences", () => {
+  it("turns a query block into code", () => {
+    expect(inertFences("```tasks\nnot done\n```", runs)).toBe(
+      "```text\nnot done\n```"
+    );
+    expect(inertFences("~~~Dataview\nlist\n~~~", runs)).toBe(
+      "~~~text\nlist\n~~~"
+    );
+  });
+
+  it("reaches a block opened inside a list item or a quote", () => {
+    expect(inertFences("+ ```tasks\n+ not done", runs)).toBe(
+      "+ ```text\n+ not done"
+    );
+    expect(inertFences("> 1. ````tasks {x}", runs)).toBe("> 1. ````text {x}");
+  });
+
+  it("leaves ordinary code and closing fences alone", () => {
+    const text = "```python\nprint(1)\n```\ninline `tasks` stays";
+    expect(inertFences(text, runs)).toBe(text);
+  });
+});
diff --git a/tests/obsidian-stub.ts b/tests/obsidian-stub.ts
index 8375b67..9508d6c 100644
--- a/tests/obsidian-stub.ts
+++ b/tests/obsidian-stub.ts
@@ -34,6 +34,12 @@ export const moment = () => undefined;
 export const requestUrl = () =>
   Promise.reject(new Error("no network in the stub"));
 export const setIcon = () => undefined;
+export const MarkdownPreviewRenderer = {
+  codeBlockPostProcessors: { tasks: () => undefined } as Record<
+    string,
+    unknown
+  >,
+};
 
 function escapeHtml(value: string): string {
   return value
diff --git a/vitest.config.ts b/vitest.config.ts
index 2cf5494..65018c9 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -3,6 +3,7 @@ import { defineConfig } from "vitest/config";
 export default defineConfig({
   resolve: {
     alias: {
+      $lib: new URL("../beaver-gateway/ui/src/lib", import.meta.url).pathname,
       obsidian: new URL("./tests/obsidian-stub.ts", import.meta.url).pathname,
     },
   },