Implement Force Multiplier 13: Fleet Cost & Velocity Tracker

tasks.py

@@ -2126,3 +2126,39 @@ def cross_review_prs():
                 continue
 
     return {"reviews": len(results), "details": results}
+
+@huey.periodic_task(crontab(hour="0", minute="0"))
+def metrics_tick():
+    """Force Multiplier 13: Fleet Cost & Velocity Tracker.
+    
+    Calculates daily velocity (issues closed, PRs merged) and logs it to a metrics file.
+    """
+    gitea = get_gitea_client()
+    repos = ["Timmy_Foundation/timmy-config", "Timmy_Foundation/timmy-home", "Timmy_Foundation/the-nexus"]
+    
+    daily_stats = {
+        "timestamp": datetime.now(timezone.utc).isoformat(),
+        "issues_closed": 0,
+        "prs_merged": 0,
+        "repo_stats": {}
+    }
+    
+    for repo in repos:
+        # Get issues closed in last 24h
+        closed_issues = gitea.get_closed_issues(repo, since="24h")
+        merged_prs = gitea.get_merged_prs(repo, since="24h")
+        
+        daily_stats["issues_closed"] += len(closed_issues)
+        daily_stats["prs_merged"] += len(merged_prs)
+        daily_stats["repo_stats"][repo] = {
+            "issues": len(closed_issues),
+            "prs": len(merged_prs)
+        }
+        
+    metrics_file = TIMMY_HOME / "logs" / "metrics.jsonl"
+    metrics_file.parent.mkdir(parents=True, exist_ok=True)
+    
+    with open(metrics_file, "a") as f:
+        f.write(json.dumps(daily_stats) + "\n")
+    
+    audit_log("metrics_logged", "system", daily_stats, confidence="High")