feat: Enhance dashboard with live overview panel and control features

tests/test_dashboard.py

@@ -84,11 +84,46 @@ def _seed_metrics_data(app) -> None:
                 started,
             ],
         )
+        conn.execute(
+            """
+            INSERT INTO portfolio_snapshots (
+                snapshot_at,
+                balances,
+                total_value_usd
+            ) VALUES (?, ?, ?)
+            """,
+            [started, '{"USD": 1000.0, "BTC": 0.25}', 1250.0],
+        )
+        conn.execute(
+            """
+            INSERT INTO trades (
+                trade_ref,
+                started_at,
+                finished_at,
+                status,
+                realized_pnl,
+                estimated_pnl,
+                capital_used,
+                cycle,
+                leg_count
+            ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
+            """,
+            [
+                "trade-open",
+                started,
+                None,
+                "open",
+                None,
+                5.0,
+                50.0,
+                "USD->BTC->ETH->USD",
+                3,
+            ],
+        )
 
 
 async def test_dashboard_page_and_fragment_and_sse(tmp_path) -> None:
-    app = create_app(
-        Settings(_env_file=None, DUCKDB_PATH=tmp_path / "dash.duckdb"))
+    app = create_app(Settings(DUCKDB_PATH=tmp_path / "dash.duckdb"))
     _seed_metrics_data(app)
 
     transport = httpx.ASGITransport(app=app)
@@ -96,10 +131,14 @@ async def test_dashboard_page_and_fragment_and_sse(tmp_path) -> None:
         page = await client.get("/")
         fragment = await client.get("/dashboard/fragment/metrics")
         stream = await client.get("/dashboard/stream/metrics")
+        overview = await client.get("/dashboard/fragment/overview")
+        overview_stream = await client.get("/dashboard/stream/overview")
+        controls = await client.get("/dashboard/fragment/controls")
 
     assert page.status_code == 200
     assert "EventSource" in page.text
     assert 'hx-get="/dashboard/fragment/metrics"' in page.text
+    assert 'hx-get="/dashboard/fragment/controls"' in page.text
 
     assert fragment.status_code == 200
     assert "Realized P&L" in fragment.text
@@ -110,3 +149,64 @@ async def test_dashboard_page_and_fragment_and_sse(tmp_path) -> None:
     assert stream.headers["content-type"].startswith("text/event-stream")
     assert "event: metrics" in stream.text
     assert "Realized P&L" in stream.text
+
+    assert overview.status_code == 200
+    assert "live" in overview.text
+    assert "Balances Snapshot" in overview.text
+    assert "Open Trades" in overview.text
+    assert "Opportunity Feed" in overview.text
+    assert "1250.00 USD" in overview.text
+    assert "trade-open" in overview.text
+
+    assert overview_stream.status_code == 200
+    assert overview_stream.headers["content-type"].startswith(
+        "text/event-stream")
+    assert "event: overview" in overview_stream.text
+    assert "trade-open" in overview_stream.text
+
+    assert controls.status_code == 200
+    assert "Runtime Status" in controls.text
+    assert ">running<" in controls.text
+    assert "Paper trading mode" in controls.text
+    assert "Trade capital USD" in controls.text
+
+
+async def test_dashboard_controls_update_runtime_state_and_config(tmp_path) -> None:
+    app = create_app(Settings(DUCKDB_PATH=tmp_path / "controls.duckdb"))
+
+    transport = httpx.ASGITransport(app=app)
+    async with httpx.AsyncClient(transport=transport, base_url="http://test") as client:
+        stop_response = await client.post("/dashboard/control/stop")
+        start_response = await client.post("/dashboard/control/start")
+        kill_response = await client.post(
+            "/dashboard/control/kill-switch",
+            data={"reason": "manual"},
+        )
+        config_response = await client.post(
+            "/dashboard/control/config",
+            data={
+                "trade_capital_usd": "250.50",
+                "max_trade_capital_usd": "300.00",
+                "max_concurrent_trades": "4",
+                "paper_trading_mode": "on",
+            },
+        )
+
+    assert stop_response.status_code == 200
+    assert ">stopped<" in stop_response.text
+
+    assert start_response.status_code == 200
+    assert ">running<" in start_response.text
+
+    assert kill_response.status_code == 200
+    assert ">active<" in kill_response.text
+    assert "manual" in kill_response.text
+
+    assert config_response.status_code == 200
+    assert "250.50 USD" in config_response.text
+    assert "300.00 USD" in config_response.text
+    assert "4" in config_response.text
+    assert app.state.settings.trade_capital_usd == 250.5
+    assert app.state.settings.max_trade_capital_usd == 300.0
+    assert app.state.settings.max_concurrent_trades == 4
+    assert app.state.settings.paper_trading_mode is True