Completed
on 5 Jan 2026, 11:44 pm

Output

🔥 Hot Claude Session Implementation Complete

Hot sessions keep Claude processes alive between prompts for instant subsequent responses (~0ms spawn time vs 3-5s cold start).

Key Changes

konsole/src/
├── hot-claude.ts     # Hot session manager with pool
├── stream.ts         # +processHotPrompt() function
├── main.ts           # +/sessions/:id/hot-prompt route
├── config.ts         # +hotPoolSize config option
└── types.ts          # +"hot-claude" log category

Architecture

Cold Start (current):
  Client → POST /prompt → spawn claude → wait 3-5s → response

Hot Session (new):
  Client → POST /hot-prompt → reuse process → instant → response
           ↑
    Claude stays alive
    between prompts

API Endpoints

POST /sessions/:id/hot-promptSend prompt via hot session
GET /hot/statusPool status (poolSize, targetSize, activeSessions)

Configuration

KONSOLE_HOT_POOL_SIZE=2  # Pre-warm 2 sessions (0 = on-demand)

Test Results ✅

 Hot Claude Session - Multi-turn Memory Test (12s)
  - Spawned Claude with --input-format stream-json
  - Sent "Remember 42" → Got "OK"
  - Sent "What number?" → Got "42" (same session ID!)
  - Process kept alive between prompts

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Original Request

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Details

Type General
Status Completed
Scope vibetools
Tags konsoleperformancehot-sessions
Created 5 Jan 2026, 11:44 pm
Updated 5 Jan 2026, 11:44 pm
Created By claude

Raw Data

{
  "id": "35ed87fa-2f73-4101-a898-6e0d9a8b0355",
  "type": "general",
  "status": "completed",
  "title": "Hot Claude Session Implementation Complete",
  "description": "Fully integrated hot Claude sessions into konsole for instant subsequent responses",
  "context": {
    "output": "<div style=\"background:#1e1e1e;color:#e0e0e0;padding:20px;border-radius:8px;font-family:'Consolas','Monaco',monospace;\">\n<h2 style=\"font-family:sans-serif;color:#fff;margin:0 0 16px 0;\">🔥 Hot Claude Session Implementation Complete</h2>\n\n<p style=\"color:#9ca3af;font-family:sans-serif;margin-bottom:16px;\">Hot sessions keep Claude processes alive between prompts for <span style=\"color:#22c55e;font-weight:bold;\">instant subsequent responses</span> (~0ms spawn time vs 3-5s cold start).</p>\n\n<h3 style=\"color:#fff;font-family:sans-serif;margin:16px 0 8px 0;\">Key Changes</h3>\n<pre style=\"background:#2d2d2d;padding:16px;border-radius:6px;overflow-x:auto;line-height:1.8;color:#e0e0e0;\">\n<span style=\"color:#98c379;font-weight:bold;\">konsole/src/</span>\n├── <span style=\"color:#e5c07b;\">hot-claude.ts</span>     <span style=\"color:#7f848e;\"># Hot session manager with pool</span>\n├── <span style=\"color:#e5c07b;\">stream.ts</span>         <span style=\"color:#7f848e;\"># +processHotPrompt() function</span>\n├── <span style=\"color:#e5c07b;\">main.ts</span>           <span style=\"color:#7f848e;\"># +/sessions/:id/hot-prompt route</span>\n├── <span style=\"color:#e5c07b;\">config.ts</span>         <span style=\"color:#7f848e;\"># +hotPoolSize config option</span>\n└── <span style=\"color:#e5c07b;\">types.ts</span>          <span style=\"color:#7f848e;\"># +\"hot-claude\" log category</span>\n</pre>\n\n<h3 style=\"color:#fff;font-family:sans-serif;margin:16px 0 8px 0;\">Architecture</h3>\n<pre style=\"background:#2d2d2d;padding:16px;border-radius:6px;overflow-x:auto;color:#e0e0e0;\">\n<span style=\"color:#56b6c2;\">Cold Start (current)</span>:\n  Client → POST /prompt → spawn claude → wait 3-5s → response\n\n<span style=\"color:#22c55e;\">Hot Session (new)</span>:\n  Client → POST /hot-prompt → reuse process → <span style=\"color:#22c55e;font-weight:bold;\">instant</span> → response\n           ↑\n    Claude stays alive\n    between prompts\n</pre>\n\n<h3 style=\"color:#fff;font-family:sans-serif;margin:16px 0 8px 0;\">API Endpoints</h3>\n<div style=\"background:#2d2d2d;padding:12px 16px;border-radius:6px;\">\n<table style=\"width:100%;border-collapse:collapse;color:#e0e0e0;\">\n<tr><td style=\"padding:8px 0;\"><code style=\"color:#61afef;\">POST /sessions/:id/hot-prompt</code></td><td>Send prompt via hot session</td></tr>\n<tr><td style=\"padding:8px 0;\"><code style=\"color:#61afef;\">GET /hot/status</code></td><td>Pool status (poolSize, targetSize, activeSessions)</td></tr>\n</table>\n</div>\n\n<h3 style=\"color:#fff;font-family:sans-serif;margin:16px 0 8px 0;\">Configuration</h3>\n<pre style=\"background:#2d2d2d;padding:16px;border-radius:6px;overflow-x:auto;color:#e0e0e0;\">\n<span style=\"color:#c678dd;\">KONSOLE_HOT_POOL_SIZE</span>=<span style=\"color:#98c379;\">2</span>  <span style=\"color:#7f848e;\"># Pre-warm 2 sessions (0 = on-demand)</span>\n</pre>\n\n<h3 style=\"color:#fff;font-family:sans-serif;margin:16px 0 8px 0;\">Test Results ✅</h3>\n<pre style=\"background:#2d2d2d;padding:16px;border-radius:6px;overflow-x:auto;color:#e0e0e0;\">\n<span style=\"color:#22c55e;\">✓</span> Hot Claude Session - Multi-turn Memory Test (12s)\n  - Spawned Claude with --input-format stream-json\n  - Sent \"Remember 42\" → Got \"OK\"\n  - Sent \"What number?\" → Got \"42\" <span style=\"color:#22c55e;\">(same session ID!)</span>\n  - Process kept alive between prompts\n</pre>\n\n<div style=\"background:#2d2d2d;padding:16px;border-radius:6px;margin-top:16px;font-family:sans-serif;\">\n<h4 style=\"margin:0 0 8px 0;color:#fff;\">What's Next?</h4>\n<p style=\"color:#9ca3af;margin:0;\">Choose an action:</p>\n</div>\n</div>",
    "choices": [
      {
        "label": "Integrate with dashboard",
        "value": "Integrate hot sessions with the dashboard console so the UI can use POST /hot-prompt instead of POST /prompt",
        "primary": true
      },
      {
        "label": "Add hot session tests",
        "value": "Add unit tests for the new hot session streaming functionality in stream.ts"
      },
      {
        "label": "Document in CLAUDE.md",
        "value": "Add documentation about hot sessions to CLAUDE.md"
      }
    ]
  },
  "createdBy": "claude",
  "createdAt": "2026-01-05T13:44:42.652Z",
  "updatedAt": "2026-01-05T13:44:42.931Z",
  "scope": "vibetools",
  "tags": [
    "konsole",
    "performance",
    "hot-sessions"
  ],
  "targetUser": "claude"
}
DashboardReportsKontasksSessionsTelemetryLogs + Go