diff --git a/fleet/allegro/allegro-cycle-state.json b/fleet/allegro/allegro-cycle-state.json
index af270bb9..15c0f220 100644
--- a/fleet/allegro/allegro-cycle-state.json
+++ b/fleet/allegro/allegro-cycle-state.json
@@ -1,15 +1,25 @@
 {
   "version": 1,
-  "last_updated": "2026-04-05T21:17:00Z",
+  "last_updated": "2026-04-06T15:35:00Z",
   "cycles": [
     {
       "cycle_id": "init",
       "started_at": "2026-04-05T21:17:00Z",
+      "completed_at": "2026-04-05T21:20:00Z",
       "target": "Epic #842: Create self-improvement infrastructure",
+      "status": "complete",
+      "last_completed_step": "Created wake checklist, lane definition, hands-off registry, failure log, handoff template, validator script",
+      "evidence": "commit e4b1a19 in branch allegro/self-improvement-infra",
+      "next_step": "Deploy files to ~/.hermes and create PR"
+    },
+    {
+      "cycle_id": "2026-04-06-deploy",
+      "started_at": "2026-04-06T15:35:00Z",
+      "target": "Deploy Allegro self-improvement infrastructure to ~/.hermes",
       "status": "in_progress",
-      "last_completed_step": "Created wake checklist and lane definition",
-      "evidence": "local files: allegro-wake-checklist.md, allegro-lane.md",
-      "next_step": "Create hands-off registry, failure log, handoff template, validator script"
+      "last_completed_step": "Created install.sh and updated cycle state",
+      "evidence": "fleet/allegro/install.sh, fleet/allegro/allegro-cycle-state.json",
+      "next_step": "Run install.sh, commit, push branch, create PR, update Gitea issue #845"
     }
   ]
 }
diff --git a/fleet/allegro/burn-mode-validator.py b/fleet/allegro/burn-mode-validator.py
index 015631e5..252090b6 100755
--- a/fleet/allegro/burn-mode-validator.py
+++ b/fleet/allegro/burn-mode-validator.py
@@ -10,12 +10,21 @@ import os
 import sys
 from datetime import datetime, timezone
 
-LOG_PATH = os.path.expanduser("~/.hermes/burn-logs/allegro.log")
+import glob
+
+LOG_DIR = os.path.expanduser("~/.hermes/burn-logs")
+_dated = os.path.join(LOG_DIR, f"burn_{datetime.now(timezone.utc).strftime('%Y%m%d')}.log")
+LOG_PATH = _dated if os.path.exists(_dated) else os.path.join(LOG_DIR, "allegro.log")
 STATE_PATH = os.path.expanduser("~/.hermes/allegro-cycle-state.json")
 FAILURE_LOG_PATH = os.path.expanduser("~/.hermes/allegro-failure-log.md")
 
 
+def ensure_log_dir():
+    os.makedirs(os.path.dirname(LOG_PATH), exist_ok=True)
+
+
 def score_cycle():
+    ensure_log_dir()
     now = datetime.now(timezone.utc).isoformat()
     scores = {
         "state_check_completed": 0,
diff --git a/fleet/allegro/install.sh b/fleet/allegro/install.sh
new file mode 100644
index 00000000..a0b86ccb
--- /dev/null
+++ b/fleet/allegro/install.sh
@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+# Allegro Self-Improvement Infrastructure Installer
+# Deploys operational files from the-nexus fleet/allegro/ to ~/.hermes/
+# Part of Epic #842 (M2-M7)
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+HOME_DIR="${HOME:-$(eval echo ~$(whoami))}"
+TARGET_DIR="${HOME_DIR}/.hermes"
+LOG_DIR="${TARGET_DIR}/burn-logs"
+
+echo "[install] Deploying Allegro self-improvement infrastructure..."
+
+mkdir -p "${TARGET_DIR}"
+mkdir -p "${LOG_DIR}"
+
+# Copy operational files (not symlinks; these need to survive repo checkouts)
+cp -v "${SCRIPT_DIR}/allegro-wake-checklist.md" "${TARGET_DIR}/"
+cp -v "${SCRIPT_DIR}/allegro-lane.md" "${TARGET_DIR}/"
+cp -v "${SCRIPT_DIR}/allegro-failure-log.md" "${TARGET_DIR}/"
+cp -v "${SCRIPT_DIR}/allegro-handoff-template.md" "${TARGET_DIR}/"
+cp -v "${SCRIPT_DIR}/allegro-hands-off-registry.json" "${TARGET_DIR}/"
+cp -v "${SCRIPT_DIR}/allegro-cycle-state.json" "${TARGET_DIR}/"
+
+# Copy executable scripts
+chmod +x "${SCRIPT_DIR}/burn-mode-validator.py"
+cp -v "${SCRIPT_DIR}/burn-mode-validator.py" "${TARGET_DIR}/"
+
+echo "[install] Done. Files installed to ${TARGET_DIR}"
+echo "[install] Run ${TARGET_DIR}/burn-mode-validator.py at the end of each cycle."