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Hot Claude Session Prototype Complete

Prototyped and tested hot Claude sessions that stay alive between prompts

✓ Completed
on 5 Jan 2026, 11:29 pm

Output

🔥 Hot Claude Session Prototype

✅ What Was Accomplished

  • Discovered streaming protocol - --input-format stream-json
  • Figured out message format - {"type":"user","message":{"role":"user","content":"..."}}
  • Created HotClaudeSession class - konsole/src/hot-claude.ts
  • Wrote passing test - Multi-turn memory test (remember 42, recall 42)

📊 How It Works

# Current approach (cold start each turn):
konsole → spawn claude --print "prompt" → wait → exit → spawn again
          ~3-5s startup each time

# Hot session approach:
konsole → spawn claude --input-format stream-json
              ↓ (stays alive)
          → write prompt to stdin
          → read result from stdout
          → write next prompt
          ~instant after first spawn

🧪 Test Results

=== Test 1: Remember 42 ===
[sent] "Remember the number 42. Reply only with OK."
[result] "OK"
✓ Got: "OK"

=== Test 2: Recall 42 ===
[sent] "What number did I ask you to remember?"
[result] "42"
✓ Got: "42"

✓ Both responses used same session ID

📁 Files Created

  • konsole/src/hot-claude.ts - HotClaudeSession implementation
  • konsole/tests/hot-claude.test.ts - Multi-turn memory test

🔮 Next Steps

  1. Integrate hot sessions into konsole's main session manager
  2. Add session pooling (pre-warm N sessions)
  3. Handle session lifecycle (idle timeout, max turns)
  4. Measure latency improvement in production

What's Next?

Choose an action:

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Original Request

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Details

Type General
Status Completed
Scope vibetools
Tags konsoleperformancehot-session
Created 5 Jan 2026, 11:29 pm
Updated 5 Jan 2026, 11:29 pm
Created By claude

Raw Data

{
  "id": "03b653a7-da4a-4251-86b1-cde882f3ee60",
  "type": "general",
  "status": "completed",
  "title": "Hot Claude Session Prototype Complete",
  "description": "Prototyped and tested hot Claude sessions that stay alive between prompts",
  "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 Prototype</h2>\n\n<div style=\"background:#2d2d2d;padding:16px;border-radius:6px;margin-bottom:16px;\">\n<h3 style=\"margin:0 0 12px 0;color:#98c379;\">✅ What Was Accomplished</h3>\n<ul style=\"margin:0;padding-left:20px;line-height:1.8;\">\n<li><strong>Discovered streaming protocol</strong> - <code style=\"background:#3d3d3d;padding:2px 6px;border-radius:3px;\">--input-format stream-json</code></li>\n<li><strong>Figured out message format</strong> - <code style=\"background:#3d3d3d;padding:2px 6px;border-radius:3px;\">{\"type\":\"user\",\"message\":{\"role\":\"user\",\"content\":\"...\"}}</code></li>\n<li><strong>Created HotClaudeSession class</strong> - <code style=\"background:#3d3d3d;padding:2px 6px;border-radius:3px;\">konsole/src/hot-claude.ts</code></li>\n<li><strong>Wrote passing test</strong> - Multi-turn memory test (remember 42, recall 42)</li>\n</ul>\n</div>\n\n<div style=\"background:#2d2d2d;padding:16px;border-radius:6px;margin-bottom:16px;\">\n<h3 style=\"margin:0 0 12px 0;color:#61afef;\">📊 How It Works</h3>\n<pre style=\"background:#1e1e1e;padding:12px;border-radius:4px;overflow-x:auto;margin:0;\">\n<span style=\"color:#7f848e;\"># Current approach (cold start each turn):</span>\nkonsole → spawn claude --print \"prompt\" → wait → exit → spawn again\n          <span style=\"color:#e06c75;\">~3-5s startup each time</span>\n\n<span style=\"color:#7f848e;\"># Hot session approach:</span>\nkonsole → spawn claude --input-format stream-json\n              ↓ (stays alive)\n          → write prompt to stdin\n          → read result from stdout\n          → write next prompt\n          <span style=\"color:#98c379;\">~instant after first spawn</span>\n</pre>\n</div>\n\n<div style=\"background:#2d2d2d;padding:16px;border-radius:6px;margin-bottom:16px;\">\n<h3 style=\"margin:0 0 12px 0;color:#e5c07b;\">🧪 Test Results</h3>\n<pre style=\"background:#1e1e1e;padding:12px;border-radius:4px;overflow-x:auto;margin:0;\">\n=== Test 1: Remember 42 ===\n[sent] \"Remember the number 42. Reply only with OK.\"\n[result] \"OK\"\n<span style=\"color:#98c379;\">✓ Got: \"OK\"</span>\n\n=== Test 2: Recall 42 ===\n[sent] \"What number did I ask you to remember?\"\n[result] \"42\"\n<span style=\"color:#98c379;\">✓ Got: \"42\"</span>\n\n<span style=\"color:#98c379;\">✓ Both responses used same session ID</span>\n</pre>\n</div>\n\n<div style=\"background:#2d2d2d;padding:16px;border-radius:6px;margin-bottom:16px;\">\n<h3 style=\"margin:0 0 12px 0;color:#c678dd;\">📁 Files Created</h3>\n<ul style=\"margin:0;padding-left:20px;line-height:1.8;\">\n<li><code style=\"background:#3d3d3d;padding:2px 6px;border-radius:3px;\">konsole/src/hot-claude.ts</code> - HotClaudeSession implementation</li>\n<li><code style=\"background:#3d3d3d;padding:2px 6px;border-radius:3px;\">konsole/tests/hot-claude.test.ts</code> - Multi-turn memory test</li>\n</ul>\n</div>\n\n<div style=\"background:#2d2d2d;padding:16px;border-radius:6px;\">\n<h3 style=\"margin:0 0 12px 0;color:#56b6c2;\">🔮 Next Steps</h3>\n<ol style=\"margin:0;padding-left:20px;line-height:1.8;\">\n<li>Integrate hot sessions into konsole's main session manager</li>\n<li>Add session pooling (pre-warm N sessions)</li>\n<li>Handle session lifecycle (idle timeout, max turns)</li>\n<li>Measure latency improvement in production</li>\n</ol>\n</div>\n\n<div style=\"background:#2d2d2d;padding:16px;border-radius:6px;margin-top:16px;\">\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 into konsole",
        "value": "Integrate the hot session prototype into konsole's main session handler so the dashboard uses hot sessions",
        "primary": true
      },
      {
        "label": "Add session pooling",
        "value": "Add a session pool that pre-warms N hot sessions for instant response"
      },
      {
        "label": "Skip for now",
        "value": "This is just a prototype - we can integrate it later when needed"
      }
    ]
  },
  "createdBy": "claude",
  "createdAt": "2026-01-05T13:29:40.580Z",
  "updatedAt": "2026-01-05T13:29:41.002Z",
  "scope": "vibetools",
  "tags": [
    "konsole",
    "performance",
    "hot-session"
  ],
  "targetUser": "claude"
}
DashboardReportsKontasksSessionsTelemetryLogs + Go