feat: Rapport de Cycle — auto-généré à chaque run avec contexte IA, delta, PnL/VaR snapshot

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/services/database.py

@@ -443,6 +443,24 @@ def init_db():
     except Exception:
         pass
 
+    c.execute("""CREATE TABLE IF NOT EXISTS cycle_reports (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        run_id TEXT NOT NULL UNIQUE,
+        generated_at TEXT NOT NULL,
+        macro_dominant TEXT,
+        geo_score INTEGER,
+        patterns_added INTEGER DEFAULT 0,
+        trades_logged INTEGER DEFAULT 0,
+        trades_closed INTEGER DEFAULT 0,
+        pnl_snapshot_id INTEGER,
+        var_snapshot_id INTEGER,
+        full_report_json TEXT
+    )""")
+    try:
+        c.execute("CREATE INDEX IF NOT EXISTS idx_cycle_reports_ts ON cycle_reports(generated_at DESC)")
+    except Exception:
+        pass
+
     try:
         c.execute("CREATE INDEX IF NOT EXISTS idx_kb_category ON knowledge_base(category, status)")
         c.execute("CREATE INDEX IF NOT EXISTS idx_rs_version ON reasoning_state(version DESC)")
@@ -3163,3 +3181,77 @@ def _build_risk_recommendation(
         "messages": messages,
         "summary": messages[0] if messages else "",
     }
+
+
+# ── Cycle reports ─────────────────────────────────────────────────────────────
+
+def save_cycle_report(run_id: str, report: Dict[str, Any]) -> None:
+    import json as _json
+    conn = get_conn()
+    conn.execute(
+        """INSERT OR REPLACE INTO cycle_reports
+           (run_id, generated_at, macro_dominant, geo_score,
+            patterns_added, trades_logged, trades_closed,
+            pnl_snapshot_id, var_snapshot_id, full_report_json)
+           VALUES (?, datetime('now'), ?, ?, ?, ?, ?, ?, ?, ?)""",
+        (
+            run_id,
+            report.get("macro_dominant"),
+            report.get("geo_score"),
+            report.get("patterns_added", 0),
+            report.get("trades_logged", 0),
+            report.get("trades_closed", 0),
+            report.get("pnl_snapshot_id"),
+            report.get("var_snapshot_id"),
+            _json.dumps(report, ensure_ascii=False),
+        ),
+    )
+    conn.commit()
+    conn.close()
+
+
+def get_cycle_reports(limit: int = 20) -> List[Dict[str, Any]]:
+    conn = get_conn()
+    rows = conn.execute(
+        """SELECT run_id, generated_at, macro_dominant, geo_score,
+                  patterns_added, trades_logged, trades_closed
+           FROM cycle_reports ORDER BY generated_at DESC LIMIT ?""",
+        (limit,),
+    ).fetchall()
+    conn.close()
+    return [dict(r) for r in rows]
+
+
+def get_cycle_report(run_id: str) -> Optional[Dict[str, Any]]:
+    import json as _json
+    conn = get_conn()
+    row = conn.execute(
+        "SELECT full_report_json, generated_at FROM cycle_reports WHERE run_id=?",
+        (run_id,),
+    ).fetchone()
+    conn.close()
+    if not row or not row["full_report_json"]:
+        return None
+    try:
+        report = _json.loads(row["full_report_json"])
+        report["generated_at"] = row["generated_at"]
+        return report
+    except Exception:
+        return None
+
+
+def get_latest_cycle_report() -> Optional[Dict[str, Any]]:
+    import json as _json
+    conn = get_conn()
+    row = conn.execute(
+        "SELECT full_report_json, generated_at FROM cycle_reports ORDER BY generated_at DESC LIMIT 1"
+    ).fetchone()
+    conn.close()
+    if not row or not row["full_report_json"]:
+        return None
+    try:
+        report = _json.loads(row["full_report_json"])
+        report["generated_at"] = row["generated_at"]
+        return report
+    except Exception:
+        return None