From a36b73505754acab6872d23c9add58dfca3cecdd Mon Sep 17 00:00:00 2001
From: haoyuren <13851610112@163.com>
Date: Sun, 15 Mar 2026 18:47:29 -0500
Subject: Add online users popover, MCP get_online_users, claude-workspace,
 stronger CLAUDE.md

- Online users: click "N online" badge to see user names with cursor colors
- MCP get_online_users tool: main process tracks users in .lattex-online-users.json
- CLAUDE.md: show current user's Overleaf name (fetched from /user/settings)
- CLAUDE.md: mandatory first steps with MUST/NEVER language at top of file
- claude-workspace/ directory: untracked scratch space for Claude Code experiments
- chokidar + bridge skip claude-workspace/ to prevent syncing to Overleaf

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 src/mcp/lattex.mjs | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'src/mcp/lattex.mjs')

diff --git a/src/mcp/lattex.mjs b/src/mcp/lattex.mjs
index 861ff40..cfac04a 100644
--- a/src/mcp/lattex.mjs
+++ b/src/mcp/lattex.mjs
@@ -486,6 +486,15 @@ const TOOLS = [
         }
       }
     }
+  },
+  // ── Online Users ──
+  {
+    name: 'get_online_users',
+    description: 'Get the list of users currently online in this Overleaf project.',
+    inputSchema: {
+      type: 'object',
+      properties: {}
+    }
   }
 ]
 
@@ -861,6 +870,21 @@ server.setRequestHandler(CallToolRequestSchema, async (request) => {
         )
       }
 
+      case 'get_online_users': {
+        const cwd = process.cwd()
+        const usersPath = join(cwd, '.lattex-online-users.json')
+        try {
+          const users = JSON.parse(readFileSync(usersPath, 'utf-8'))
+          if (!Array.isArray(users) || users.length === 0) {
+            return textResult('No other users currently online.')
+          }
+          const lines = users.map(u => `- ${u.name}${u.email ? ` (${u.email})` : ''}`)
+          return textResult(`${users.length} user(s) online:\n${lines.join('\n')}`)
+        } catch {
+          return textResult('No other users currently online.')
+        }
+      }
+
       default:
         return errorResult(`Unknown tool: ${name}`)
     }
-- 
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