From a7aa176e67b08cd3c4f808e479f8f12f70996e4a Mon Sep 17 00:00:00 2001
From: mirivlad <mirvtop@yandex.ru>
Date: Sat, 27 Jun 2026 23:58:30 +0800
Subject: [PATCH] Remove redundant Markdown preview provider

---
 AGENTS.md                                     |   3 +-
 plugins/file-preview/frontend/src/index.js    |  11 +-
 plugins/file-preview/plugin.json              |  18 +-
 .../markdown-preview/frontend/src/index.js    | 173 ------------------
 plugins/markdown-preview/plugin.json          |  55 ------
 scripts/check.sh                              |   2 -
 scripts/smoke-file-preview-plugin.js          |  20 +-
 scripts/smoke-markdown-preview-plugin.js      | 138 --------------
 8 files changed, 5 insertions(+), 415 deletions(-)
 delete mode 100644 plugins/markdown-preview/frontend/src/index.js
 delete mode 100644 plugins/markdown-preview/plugin.json
 delete mode 100755 scripts/smoke-markdown-preview-plugin.js

diff --git a/AGENTS.md b/AGENTS.md
index d560a40..c5219ae 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -14,7 +14,6 @@ verstak-official-plugins/
     files/
     notes/
     markdown-editor/
-    markdown-preview/
     file-preview/
     activity/
     journal/
@@ -45,7 +44,7 @@ verstak-official-plugins/
 - `official.files` — файловый менеджер
 - `official.notes` — заметки
 - `official.markdown-editor` — редактор
-- `official.markdown-preview` — предпросмотр
+- `official.file-preview` — предпросмотр изображений/metadata
 - `official.activity` — активность
 - `official.browser-inbox` — браузерный inbox
 
diff --git a/plugins/file-preview/frontend/src/index.js b/plugins/file-preview/frontend/src/index.js
index 35933a9..23817e5 100644
--- a/plugins/file-preview/frontend/src/index.js
+++ b/plugins/file-preview/frontend/src/index.js
@@ -25,7 +25,6 @@
     '.fp-btn{font-size:.75rem;padding:.28rem .58rem;border:1px solid #333;border-radius:4px;background:#1a1a2e;color:#ccc;cursor:pointer}',
     '.fp-btn:hover{background:#2a2a4e;border-color:#4ecca3;color:#4ecca3}',
     '.fp-body{flex:1;min-height:0;overflow:auto;padding:1rem 1.2rem}',
-    '.fp-pre{margin:0;white-space:pre-wrap;font:13px/1.6 "SF Mono","Fira Code","Cascadia Code",Consolas,monospace;color:#d8d8e8}',
     '.fp-meta{display:grid;grid-template-columns:max-content 1fr;gap:.45rem .8rem;max-width:760px;font-size:.86rem}',
     '.fp-meta dt{color:#8b8ba8}.fp-meta dd{margin:0;color:#e0e0e0;word-break:break-word}',
     '.fp-kind{margin:0 0 1rem;color:#f0f0ff;font-size:1.1rem}',
@@ -111,15 +110,7 @@
       containerEl.appendChild(body);
 
       api.files.metadata(path).then(function (meta) {
-        if (IMAGE_EXTS.indexOf(ext) !== -1 || meta.isText === false) {
-          renderMeta(body, path, meta || {}, ext);
-          return;
-        }
-        return api.files.readText(path).then(function (text) {
-          body.className = 'fp-body';
-          body.innerHTML = '';
-          body.appendChild(el('pre', { className: 'fp-pre' }, [text]));
-        });
+        renderMeta(body, path, meta || {}, ext);
       }).catch(function (err) {
         body.className = 'fp-error';
         body.textContent = 'Preview error: ' + (err && err.message ? err.message : String(err));
diff --git a/plugins/file-preview/plugin.json b/plugins/file-preview/plugin.json
index 55297c8..61e8cc7 100644
--- a/plugins/file-preview/plugin.json
+++ b/plugins/file-preview/plugin.json
@@ -4,7 +4,7 @@
   "name": "File Preview",
   "version": "0.1.0",
   "apiVersion": "0.1.0",
-  "description": "Read-only preview provider for text-like and image vault files.",
+  "description": "Read-only image metadata preview provider for vault files.",
   "source": "official",
   "icon": "eye",
   "provides": [
@@ -23,23 +23,9 @@
   },
   "contributes": {
     "openProviders": [
-      {
-        "id": "verstak.file-preview.text",
-        "title": "File Preview",
-        "priority": 80,
-        "component": "FilePreview",
-        "supports": [
-          {
-            "kind": "vault-file",
-            "extensions": [".txt", ".log", ".conf", ".ini", ".toml", ".yaml", ".yml", ".json", ".csv", ".xml", ".html", ".css", ".js", ".ts"],
-            "contexts": ["generic-text"],
-            "modes": ["view"]
-          }
-        ]
-      },
       {
         "id": "verstak.file-preview.image",
-        "title": "Image File Preview",
+        "title": "Image Preview",
         "priority": 80,
         "component": "FilePreview",
         "supports": [
diff --git a/plugins/markdown-preview/frontend/src/index.js b/plugins/markdown-preview/frontend/src/index.js
deleted file mode 100644
index ddb350b..0000000
--- a/plugins/markdown-preview/frontend/src/index.js
+++ /dev/null
@@ -1,173 +0,0 @@
-/* ===========================================================
-   Markdown Preview Plugin — Verstak v2 Frontend Bundle
-   Contract: window.VerstakPluginRegister(id, { components })
-   =========================================================== */
-
-(function () {
-  'use strict';
-
-  function injectStyles() {
-    if (document.getElementById('md-preview-style-injected')) return;
-    var style = document.createElement('style');
-    style.id = 'md-preview-style-injected';
-    style.textContent = STYLES;
-    document.head.appendChild(style);
-  }
-
-  var STYLES = [
-    '.mp-root{height:100%;min-height:0;display:flex;flex-direction:column;background:#0d0d1a;color:#d8d8e8;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif}',
-    '.mp-toolbar{display:flex;align-items:center;gap:.5rem;padding:.45rem .75rem;border-bottom:1px solid #16213e;background:#12122a;flex-shrink:0}',
-    '.mp-mode{font-size:.72rem;color:#4ecca3;background:#1a2a3a;border-radius:3px;padding:.14rem .45rem}',
-    '.mp-path{font-size:.75rem;color:#a0a0bb;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}',
-    '.mp-body{flex:1;min-height:0;overflow:auto;padding:1rem 1.2rem;line-height:1.7;font-size:.93rem}',
-    '.mp-body h1,.mp-body h2,.mp-body h3,.mp-body h4{color:#f0f0ff;margin:1rem 0 .5rem}',
-    '.mp-body h1{font-size:1.55rem;border-bottom:1px solid #16213e;padding-bottom:.35rem}.mp-body h2{font-size:1.3rem;border-bottom:1px solid #16213e;padding-bottom:.25rem}.mp-body h3{font-size:1.12rem}',
-    '.mp-body p{margin:.55rem 0}.mp-body code{background:#1a1a2e;padding:.15rem .35rem;border-radius:3px;font-size:.87em;color:#4ecca3}',
-    '.mp-body pre{background:#1a1a2e;padding:.85rem;border-radius:4px;overflow:auto;margin:.8rem 0}.mp-body pre code{background:none;padding:0;color:#d8d8e8}',
-    '.mp-body ul,.mp-body ol{padding-left:1.5rem;margin:.55rem 0}.mp-body li{margin:.25rem 0}',
-    '.mp-body blockquote{border-left:3px solid #4ecca3;margin:.6rem 0;padding:.25rem .85rem;color:#aaa;background:#101028}',
-    '.mp-body a{color:#4ecca3;text-decoration:none}.mp-body a:hover{text-decoration:underline}',
-    '.mp-body table{border-collapse:collapse;margin:.8rem 0;max-width:100%;display:block;overflow:auto}.mp-body th,.mp-body td{border:1px solid #333;padding:.35rem .6rem;text-align:left}.mp-body th{background:#1a1a2e}',
-    '.mp-loading,.mp-error{flex:1;display:flex;align-items:center;justify-content:center;color:#777;padding:2rem}.mp-error{color:#e74c3c;flex-direction:column;gap:.5rem}'
-  ].join('\n');
-
-  function el(tag, attrs, children) {
-    var elem = document.createElement(tag);
-    if (attrs) {
-      Object.keys(attrs).forEach(function (k) {
-        if (k === 'className') elem.className = attrs[k];
-        else if (k === 'style' && typeof attrs[k] === 'object') Object.assign(elem.style, attrs[k]);
-        else if (k.slice(0, 2) === 'on') elem.addEventListener(k.slice(2).toLowerCase(), attrs[k]);
-        else if (k === 'innerHTML') elem.innerHTML = attrs[k];
-        else if (k === 'textContent') elem.textContent = attrs[k];
-        else elem.setAttribute(k, attrs[k]);
-      });
-    }
-    if (children) {
-      (Array.isArray(children) ? children : [children]).forEach(function (c) {
-        if (c == null) return;
-        elem.appendChild(typeof c === 'string' ? document.createTextNode(c) : c);
-      });
-    }
-    return elem;
-  }
-
-  function escapeHtml(value) {
-    return String(value == null ? '' : value)
-      .replace(/&/g, '&amp;')
-      .replace(/</g, '&lt;')
-      .replace(/>/g, '&gt;')
-      .replace(/"/g, '&quot;')
-      .replace(/'/g, '&#39;');
-  }
-
-  function renderInline(text) {
-    var html = escapeHtml(text);
-    html = html.replace(/`([^`\n]+)`/g, '<code>$1</code>');
-    html = html.replace(/\[([^\]]+)\]\((https?:\/\/[^)]+|mailto:[^)]+)\)/g, '<a href="$2" target="_blank" rel="noopener noreferrer">$1</a>');
-    html = html.replace(/\*\*\*(.+?)\*\*\*/g, '<strong><em>$1</em></strong>');
-    html = html.replace(/\*\*(.+?)\*\*/g, '<strong>$1</strong>');
-    html = html.replace(/\*(.+?)\*/g, '<em>$1</em>');
-    return html;
-  }
-
-  function renderMarkdown(markdown) {
-    var lines = String(markdown || '').replace(/\r\n/g, '\n').split('\n');
-    var html = [];
-    var inCode = false;
-    var code = [];
-    var inList = false;
-
-    function closeList() {
-      if (inList) {
-        html.push('</ul>');
-        inList = false;
-      }
-    }
-    function closeCode() {
-      if (inCode) {
-        html.push('<pre><code>' + escapeHtml(code.join('\n')) + '</code></pre>');
-        code = [];
-        inCode = false;
-      }
-    }
-
-    lines.forEach(function (line) {
-      if (/^```/.test(line)) {
-        if (inCode) closeCode();
-        else {
-          closeList();
-          inCode = true;
-          code = [];
-        }
-        return;
-      }
-      if (inCode) {
-        code.push(line);
-        return;
-      }
-      if (!line.trim()) {
-        closeList();
-        return;
-      }
-      var heading = /^(#{1,4})\s+(.+)$/.exec(line);
-      if (heading) {
-        closeList();
-        html.push('<h' + heading[1].length + '>' + renderInline(heading[2]) + '</h' + heading[1].length + '>');
-        return;
-      }
-      var quote = /^>\s?(.*)$/.exec(line);
-      if (quote) {
-        closeList();
-        html.push('<blockquote>' + renderInline(quote[1]) + '</blockquote>');
-        return;
-      }
-      var item = /^\s*[-*]\s+(.+)$/.exec(line);
-      if (item) {
-        if (!inList) {
-          html.push('<ul>');
-          inList = true;
-        }
-        html.push('<li>' + renderInline(item[1]) + '</li>');
-        return;
-      }
-      closeList();
-      html.push('<p>' + renderInline(line) + '</p>');
-    });
-    closeCode();
-    closeList();
-    return html.join('\n');
-  }
-
-  var MarkdownPreview = {
-    mount: function (containerEl, props, api) {
-      injectStyles();
-      var request = props && props.request || {};
-      var path = request.path || '';
-      containerEl.innerHTML = '';
-      containerEl.className = 'mp-root';
-      containerEl.setAttribute('data-plugin-id', 'verstak.markdown-preview');
-      containerEl.setAttribute('data-preview-path', path);
-      containerEl.appendChild(el('div', { className: 'mp-toolbar' }, [
-        el('span', { className: 'mp-mode' }, ['Preview']),
-        el('span', { className: 'mp-path' }, [path])
-      ]));
-      var body = el('div', { className: 'mp-loading' }, ['Loading...']);
-      containerEl.appendChild(body);
-      api.files.readText(path).then(function (text) {
-        body.className = 'mp-body';
-        body.innerHTML = renderMarkdown(text);
-      }).catch(function (err) {
-        body.className = 'mp-error';
-        body.textContent = 'Preview error: ' + (err && err.message ? err.message : String(err));
-      });
-    },
-    unmount: function (containerEl) {
-      containerEl.innerHTML = '';
-    }
-  };
-
-  window.VerstakPluginRegister('verstak.markdown-preview', {
-    components: { MarkdownPreview: MarkdownPreview }
-  });
-})();
diff --git a/plugins/markdown-preview/plugin.json b/plugins/markdown-preview/plugin.json
deleted file mode 100644
index 57c89a1..0000000
--- a/plugins/markdown-preview/plugin.json
+++ /dev/null
@@ -1,55 +0,0 @@
-{
-  "schemaVersion": 1,
-  "id": "verstak.markdown-preview",
-  "name": "Markdown Preview",
-  "version": "0.1.0",
-  "apiVersion": "0.1.0",
-  "description": "Read-only Markdown preview provider for vault Markdown files.",
-  "source": "official",
-  "icon": "eye",
-  "provides": [
-    "verstak/markdown-preview/v1"
-  ],
-  "requires": [
-    "verstak/core/files/v1",
-    "verstak/core/workbench/v1"
-  ],
-  "permissions": [
-    "files.read"
-  ],
-  "frontend": {
-    "entry": "frontend/src/index.js"
-  },
-  "contributes": {
-    "openProviders": [
-      {
-        "id": "verstak.markdown-preview.generic",
-        "title": "Markdown Preview",
-        "priority": 80,
-        "component": "MarkdownPreview",
-        "supports": [
-          {
-            "kind": "vault-file",
-            "extensions": [".md", ".markdown"],
-            "contexts": ["generic-markdown"],
-            "modes": ["view"]
-          }
-        ]
-      },
-      {
-        "id": "verstak.markdown-preview.notes",
-        "title": "Notes Markdown Preview",
-        "priority": 80,
-        "component": "MarkdownPreview",
-        "supports": [
-          {
-            "kind": "vault-file",
-            "extensions": [".md", ".markdown"],
-            "contexts": ["notes-markdown"],
-            "modes": ["view"]
-          }
-        ]
-      }
-    ]
-  }
-}
diff --git a/scripts/check.sh b/scripts/check.sh
index fc735bd..5177561 100755
--- a/scripts/check.sh
+++ b/scripts/check.sh
@@ -213,8 +213,6 @@ if command -v node &>/dev/null; then
   report "platform-test frontend components mount" $?
   node "$ROOT/scripts/smoke-notes-plugin.js"
   report "notes frontend behavior" $?
-  node "$ROOT/scripts/smoke-markdown-preview-plugin.js"
-  report "markdown-preview frontend behavior" $?
   node "$ROOT/scripts/smoke-file-preview-plugin.js"
   report "file-preview frontend behavior" $?
   node "$ROOT/scripts/smoke-files-plugin.js"
diff --git a/scripts/smoke-file-preview-plugin.js b/scripts/smoke-file-preview-plugin.js
index bdf6616..7802b9b 100755
--- a/scripts/smoke-file-preview-plugin.js
+++ b/scripts/smoke-file-preview-plugin.js
@@ -121,24 +121,6 @@ async function flush() {
   const document = makeDocument();
   const component = loadComponent(document);
 
-  const textContainer = new FakeNode('div');
-  const readPaths = [];
-  component.mount(textContainer, {
-    request: { path: 'Docs/app.log', extension: '.log', mode: 'view' },
-  }, {
-    files: {
-      metadata: async () => ({ type: 'file', size: 11, isText: true, modifiedAt: '2026-06-27T00:00:00Z' }),
-      readText: async (relativePath) => {
-        readPaths.push(relativePath);
-        return 'hello log';
-      },
-      openExternal: async () => undefined,
-    },
-  });
-  await flush();
-  if (readPaths[0] !== 'Docs/app.log') throw new Error('text preview did not read text file');
-  if (!textContainer.textContent.includes('hello log')) throw new Error('text preview did not render file text');
-
   const imageContainer = new FakeNode('div');
   const opened = [];
   component.mount(imageContainer, {
@@ -146,7 +128,7 @@ async function flush() {
   }, {
     files: {
       metadata: async () => ({ type: 'file', size: 2048, isText: false, modifiedAt: '2026-06-27T00:00:00Z' }),
-      readText: async () => { throw new Error('image preview should not read bytes through readText'); },
+      readText: async () => { throw new Error('file preview should not read text content'); },
       openExternal: async (relativePath) => { opened.push(relativePath); },
     },
   });
diff --git a/scripts/smoke-markdown-preview-plugin.js b/scripts/smoke-markdown-preview-plugin.js
deleted file mode 100755
index a66537e..0000000
--- a/scripts/smoke-markdown-preview-plugin.js
+++ /dev/null
@@ -1,138 +0,0 @@
-#!/usr/bin/env node
-const fs = require('fs');
-const path = require('path');
-const vm = require('vm');
-
-const root = path.resolve(__dirname, '..');
-const sourcePath = path.join(root, 'plugins', 'markdown-preview', 'frontend', 'src', 'index.js');
-const source = fs.readFileSync(sourcePath, 'utf8');
-
-class FakeNode {
-  constructor(tagName) {
-    this.tagName = String(tagName || '').toUpperCase();
-    this.children = [];
-    this.attributes = {};
-    this.listeners = {};
-    this.style = {};
-    this.className = '';
-    this.id = '';
-    this.parentNode = null;
-    this._innerHTML = '';
-    this._textContent = '';
-  }
-
-  appendChild(node) {
-    if (!(node instanceof FakeNode)) throw new TypeError('appendChild expects FakeNode');
-    this.children.push(node);
-    node.parentNode = this;
-    return node;
-  }
-
-  setAttribute(name, value) {
-    this.attributes[name] = String(value);
-    if (name === 'id') this.id = String(value);
-  }
-
-  getAttribute(name) {
-    return this.attributes[name];
-  }
-
-  addEventListener(type, handler) {
-    this.listeners[type] = this.listeners[type] || [];
-    this.listeners[type].push(handler);
-  }
-
-  set innerHTML(value) {
-    this._innerHTML = String(value || '');
-    this.children = [];
-  }
-
-  get innerHTML() {
-    return this._innerHTML + this.children.map((child) => child.innerHTML).join('');
-  }
-
-  set textContent(value) {
-    this._textContent = String(value || '');
-    this.children = [];
-  }
-
-  get textContent() {
-    if (this.tagName === '#TEXT') return this._textContent;
-    return this._textContent + this.children.map((child) => child.textContent).join('');
-  }
-}
-
-function makeDocument() {
-  return {
-    body: new FakeNode('body'),
-    head: new FakeNode('head'),
-    createElement(tagName) {
-      return new FakeNode(tagName);
-    },
-    createTextNode(text) {
-      const node = new FakeNode('#text');
-      node.textContent = text;
-      return node;
-    },
-    getElementById() {
-      return null;
-    },
-  };
-}
-
-function loadComponent(document) {
-  const registry = {};
-  const sandbox = {
-    console,
-    document,
-    window: {
-      VerstakPluginRegister(pluginId, bundle) {
-        registry[pluginId] = bundle.components || {};
-      },
-    },
-  };
-  sandbox.window.window = sandbox.window;
-  sandbox.window.document = document;
-  vm.runInNewContext(source, sandbox, { filename: sourcePath });
-  const component = registry['verstak.markdown-preview'] && registry['verstak.markdown-preview'].MarkdownPreview;
-  if (!component) throw new Error('MarkdownPreview was not registered');
-  return component;
-}
-
-async function flush() {
-  for (let i = 0; i < 8; i++) await Promise.resolve();
-}
-
-(async () => {
-  const document = makeDocument();
-  const component = loadComponent(document);
-  const container = new FakeNode('div');
-  const readPaths = [];
-  component.mount(container, {
-    request: { path: 'Docs/readme.md', mode: 'view' },
-  }, {
-    files: {
-      readText: async (relativePath) => {
-        readPaths.push(relativePath);
-        return '# Title\n\nParagraph with `code`.\n\n- one\n- two\n';
-      },
-    },
-  });
-  await flush();
-
-  if (container.getAttribute('data-plugin-id') !== 'verstak.markdown-preview') {
-    throw new Error('plugin id marker missing');
-  }
-  if (readPaths[0] !== 'Docs/readme.md') {
-    throw new Error(`expected readText Docs/readme.md, got ${readPaths[0] || '<none>'}`);
-  }
-  const html = container.innerHTML;
-  if (!html.includes('<h1>Title</h1>')) throw new Error('heading was not rendered');
-  if (!html.includes('<code>code</code>')) throw new Error('inline code was not rendered');
-  if (!html.includes('<li>one</li>') || !html.includes('<li>two</li>')) throw new Error('list items were not rendered');
-
-  console.log('markdown-preview smoke passed');
-})().catch((err) => {
-  console.error(err);
-  process.exit(1);
-});