feat(PORT-004C): seed workspace routes from portfolio settings

app/pages/backtests.py

@@ -2,9 +2,12 @@ from __future__ import annotations
 
 from datetime import date, datetime
 
+from fastapi import Request
+from fastapi.responses import RedirectResponse
 from nicegui import ui
 
-from app.pages.common import dashboard_page
+from app.models.workspace import WORKSPACE_COOKIE, get_workspace_repository
+from app.pages.common import dashboard_page, render_workspace_recovery
 from app.services.backtesting.ui_service import BacktestPageRunResult, BacktestPageService
 
 
@@ -47,16 +50,45 @@ def _chart_options(result: BacktestPageRunResult) -> dict:
 
 
 @ui.page("/backtests")
-def backtests_page() -> None:
+def legacy_backtests_page(request: Request):
+    repo = get_workspace_repository()
+    workspace_id = request.cookies.get(WORKSPACE_COOKIE, "")
+    if workspace_id and repo.workspace_exists(workspace_id):
+        return RedirectResponse(url=f"/{workspace_id}/backtests", status_code=307)
+    _render_backtests_page()
+
+
+@ui.page("/{workspace_id}/backtests")
+def workspace_backtests_page(workspace_id: str) -> None:
+    repo = get_workspace_repository()
+    if not repo.workspace_exists(workspace_id):
+        render_workspace_recovery()
+        return
+    _render_backtests_page(workspace_id=workspace_id)
+
+
+
+def _render_backtests_page(workspace_id: str | None = None) -> None:
     service = BacktestPageService()
     template_options = service.template_options("GLD")
     select_options = {str(option["slug"]): str(option["label"]) for option in template_options}
     default_template_slug = str(template_options[0]["slug"]) if template_options else None
+    repo = get_workspace_repository()
+    config = repo.load_portfolio_config(workspace_id) if workspace_id else None
+    default_entry_spot = service.derive_entry_spot("GLD", date(2024, 1, 2), date(2024, 1, 8))
+    default_units = (
+        float(config.gold_value or 0.0) / default_entry_spot
+        if config and config.gold_value is not None and default_entry_spot > 0
+        else 1000.0
+    )
+    default_loan = float(config.loan_amount) if config else 68000.0
+    default_margin_call_ltv = float(config.margin_threshold) if config else 0.75
 
     with dashboard_page(
         "Backtests",
         "Run a thin read-only historical scenario over the BT-001 synthetic engine and inspect the daily path.",
         "backtests",
+        workspace_id=workspace_id,
     ):
         with ui.row().classes("w-full gap-6 max-lg:flex-col"):
             with ui.card().classes(
@@ -69,15 +101,25 @@ def backtests_page() -> None:
                 ui.label("BT-001A currently supports GLD only for this thin read-only page.").classes(
                     "text-sm text-slate-500 dark:text-slate-400"
                 )
+                if workspace_id:
+                    ui.label("Workspace defaults seed underlying units, loan amount, and margin threshold.").classes(
+                        "text-sm text-slate-500 dark:text-slate-400"
+                    )
                 symbol_input = ui.input("Symbol", value="GLD").props("readonly").classes("w-full")
                 start_input = ui.input("Start date", value="2024-01-02").classes("w-full")
                 end_input = ui.input("End date", value="2024-01-08").classes("w-full")
                 template_select = ui.select(select_options, value=default_template_slug, label="Template").classes(
                     "w-full"
                 )
-                units_input = ui.number("Underlying units", value=1000.0, min=0.0001, step=1).classes("w-full")
-                loan_input = ui.number("Loan amount", value=68000.0, min=0, step=1000).classes("w-full")
-                ltv_input = ui.number("Margin call LTV", value=0.75, min=0.01, max=0.99, step=0.01).classes("w-full")
+                units_input = ui.number("Underlying units", value=default_units, min=0.0001, step=1).classes("w-full")
+                loan_input = ui.number("Loan amount", value=default_loan, min=0, step=1000).classes("w-full")
+                ltv_input = ui.number(
+                    "Margin call LTV",
+                    value=default_margin_call_ltv,
+                    min=0.01,
+                    max=0.99,
+                    step=0.01,
+                ).classes("w-full")
                 entry_spot_hint = ui.label("Entry spot will be auto-derived on run.").classes(
                     "text-sm text-slate-500 dark:text-slate-400"
                 )

app/pages/common.py

@@ -6,6 +6,7 @@ from typing import Any
 
 from nicegui import ui
 
+from app.models.portfolio import PortfolioConfig
 from app.services.strategy_templates import StrategyTemplateService
 
 NAV_ITEMS: list[tuple[str, str, str]] = [
@@ -23,10 +24,10 @@ def nav_items(workspace_id: str | None = None) -> list[tuple[str, str, str]]:
         return NAV_ITEMS
     return [
         ("overview", f"/{workspace_id}", "Overview"),
-        ("hedge", "/hedge", "Hedge Analysis"),
+        ("hedge", f"/{workspace_id}/hedge", "Hedge Analysis"),
         ("options", "/options", "Options Chain"),
-        ("backtests", "/backtests", "Backtests"),
-        ("event-comparison", "/event-comparison", "Event Comparison"),
+        ("backtests", f"/{workspace_id}/backtests", "Backtests"),
+        ("event-comparison", f"/{workspace_id}/event-comparison", "Event Comparison"),
         ("settings", f"/{workspace_id}/settings", "Settings"),
     ]
 
@@ -35,22 +36,33 @@ def demo_spot_price() -> float:
     return 215.0
 
 
-def portfolio_snapshot() -> dict[str, float]:
-    gold_units = 1_000.0
-    spot = demo_spot_price()
-    gold_value = gold_units * spot
-    loan_amount = 145_000.0
-    margin_call_ltv = 0.75
+def portfolio_snapshot(config: PortfolioConfig | None = None) -> dict[str, float]:
+    if config is None:
+        gold_units = 1_000.0
+        spot = demo_spot_price()
+        gold_value = gold_units * spot
+        loan_amount = 145_000.0
+        margin_call_ltv = 0.75
+        hedge_budget = 8_000.0
+    else:
+        gold_units = float(config.gold_ounces or 0.0)
+        spot = float(config.entry_price or 0.0)
+        gold_value = float(config.gold_value or gold_units * spot)
+        loan_amount = float(config.loan_amount)
+        margin_call_ltv = float(config.margin_threshold)
+        hedge_budget = float(config.monthly_budget)
+
     return {
         "gold_value": gold_value,
         "loan_amount": loan_amount,
         "ltv_ratio": loan_amount / gold_value,
         "net_equity": gold_value - loan_amount,
         "spot_price": spot,
+        "gold_units": gold_units,
         "margin_call_ltv": margin_call_ltv,
         "margin_call_price": loan_amount / (margin_call_ltv * gold_units),
         "cash_buffer": 18_500.0,
-        "hedge_budget": 8_000.0,
+        "hedge_budget": hedge_budget,
     }
 
 
@@ -122,12 +134,17 @@ def option_chain() -> list[dict[str, Any]]:
     return rows
 
 
-def strategy_metrics(strategy_name: str, scenario_pct: int) -> dict[str, Any]:
+def strategy_metrics(
+    strategy_name: str,
+    scenario_pct: int,
+    *,
+    portfolio: dict[str, Any] | None = None,
+) -> dict[str, Any]:
     strategy = next(
         (item for item in strategy_catalog() if item["name"] == strategy_name),
         strategy_catalog()[0],
     )
-    portfolio = portfolio_snapshot()
+    portfolio = portfolio or portfolio_snapshot()
     spot = float(portfolio["spot_price"])
     underlying_units = portfolio["gold_value"] / spot
     loan_amount = float(portfolio["loan_amount"])
@@ -209,6 +226,21 @@ def dashboard_page(title: str, subtitle: str, current: str, workspace_id: str |
         yield container
 
 
+def render_workspace_recovery(title: str = "Workspace not found", message: str | None = None) -> None:
+    resolved_message = message or "The requested workspace is unavailable. Start a new workspace or return to the welcome page."
+    with ui.column().classes("mx-auto mt-24 w-full max-w-2xl gap-6 px-6 text-center"):
+        ui.icon("folder_off").classes("mx-auto text-6xl text-slate-400")
+        ui.label(title).classes("text-3xl font-bold text-slate-900 dark:text-slate-50")
+        ui.label(resolved_message).classes("text-base text-slate-500 dark:text-slate-400")
+        with ui.row().classes("mx-auto gap-3"):
+            ui.link("Get started", "/workspaces/bootstrap").classes(
+                "rounded-lg bg-slate-900 px-5 py-3 text-sm font-semibold text-white no-underline dark:bg-slate-100 dark:text-slate-900"
+            )
+            ui.link("Go to welcome page", "/").classes(
+                "rounded-lg border border-slate-300 px-5 py-3 text-sm font-semibold text-slate-700 no-underline dark:border-slate-700 dark:text-slate-200"
+            )
+
+
 def recommendation_style(tone: str) -> str:
     return {
         "positive": "border-emerald-200 bg-emerald-50 dark:border-emerald-900/60 dark:bg-emerald-950/30",

app/pages/event_comparison.py

@@ -1,8 +1,11 @@
 from __future__ import annotations
 
+from fastapi import Request
+from fastapi.responses import RedirectResponse
 from nicegui import ui
 
-from app.pages.common import dashboard_page
+from app.models.workspace import WORKSPACE_COOKIE, get_workspace_repository
+from app.pages.common import dashboard_page, render_workspace_recovery
 from app.services.event_comparison_ui import EventComparisonPageService
 
 
@@ -25,21 +28,59 @@ def _chart_options(dates: tuple[str, ...], series: tuple[dict[str, object], ...]
 
 
 @ui.page("/event-comparison")
-def event_comparison_page() -> None:
+def legacy_event_comparison_page(request: Request):
+    repo = get_workspace_repository()
+    workspace_id = request.cookies.get(WORKSPACE_COOKIE, "")
+    if workspace_id and repo.workspace_exists(workspace_id):
+        return RedirectResponse(url=f"/{workspace_id}/event-comparison", status_code=307)
+    _render_event_comparison_page()
+
+
+@ui.page("/{workspace_id}/event-comparison")
+def workspace_event_comparison_page(workspace_id: str) -> None:
+    repo = get_workspace_repository()
+    if not repo.workspace_exists(workspace_id):
+        render_workspace_recovery()
+        return
+    _render_event_comparison_page(workspace_id=workspace_id)
+
+
+def _render_event_comparison_page(workspace_id: str | None = None) -> None:
     service = EventComparisonPageService()
     preset_options = service.preset_options("GLD")
     template_options = service.template_options("GLD")
+    repo = get_workspace_repository()
+    config = repo.load_portfolio_config(workspace_id) if workspace_id else None
+    default_preset_slug = str(preset_options[0]["slug"]) if preset_options else None
+    default_template_slugs = list(preset_options[0]["default_template_slugs"]) if preset_options else []
+    default_entry_spot = 100.0
+    if default_preset_slug is not None:
+        default_preview = service.preview_scenario(
+            preset_slug=default_preset_slug,
+            template_slugs=tuple(default_template_slugs),
+            underlying_units=1.0,
+            loan_amount=0.0,
+            margin_call_ltv=0.75,
+        )
+        default_entry_spot = default_preview.initial_portfolio.entry_spot
+    default_units = (
+        float(config.gold_value or 0.0) / default_entry_spot
+        if config and config.gold_value is not None and default_entry_spot > 0
+        else 1000.0
+    )
+
+    default_loan = float(config.loan_amount) if config else 68000.0
+    default_margin_call_ltv = float(config.margin_threshold) if config else 0.75
 
     preset_select_options = {str(option["slug"]): str(option["label"]) for option in preset_options}
     template_select_options = {str(option["slug"]): str(option["label"]) for option in template_options}
-    default_preset_slug = str(preset_options[0]["slug"]) if preset_options else None
-    default_template_slugs = list(preset_options[0]["default_template_slugs"]) if preset_options else []
     preset_lookup = {str(option["slug"]): option for option in preset_options}
 
     with dashboard_page(
         "Event Comparison",
         "Thin BT-003A read-only UI over EventComparisonService with deterministic seeded GLD presets.",
         "event-comparison",
+        workspace_id=workspace_id,
     ):
         with ui.row().classes("w-full gap-6 max-lg:flex-col"):
             with ui.card().classes(
@@ -49,6 +90,10 @@ def event_comparison_page() -> None:
                 ui.label(
                     "Preset selection is deterministic and read-only in the sense that runs reuse seeded event windows and existing BT-003 ranking logic."
                 ).classes("text-sm text-slate-500 dark:text-slate-400")
+                if workspace_id:
+                    ui.label("Workspace defaults seed underlying units, loan amount, and margin threshold.").classes(
+                        "text-sm text-slate-500 dark:text-slate-400"
+                    )
                 preset_select = ui.select(
                     preset_select_options,
                     value=default_preset_slug,
@@ -60,12 +105,18 @@ def event_comparison_page() -> None:
                     label="Strategy templates",
                     multiple=True,
                 ).classes("w-full")
-                ui.label("Changing the preset resets strategy templates to that preset's default comparison set.").classes(
-                    "text-xs text-slate-500 dark:text-slate-400"
-                )
-                units_input = ui.number("Underlying units", value=1000.0, min=0.0001, step=1).classes("w-full")
-                loan_input = ui.number("Loan amount", value=68000.0, min=0, step=1000).classes("w-full")
-                ltv_input = ui.number("Margin call LTV", value=0.75, min=0.01, max=0.99, step=0.01).classes("w-full")
+                ui.label(
+                    "Changing the preset resets strategy templates to that preset's default comparison set."
+                ).classes("text-xs text-slate-500 dark:text-slate-400")
+                units_input = ui.number("Underlying units", value=default_units, min=0.0001, step=1).classes("w-full")
+                loan_input = ui.number("Loan amount", value=default_loan, min=0, step=1000).classes("w-full")
+                ltv_input = ui.number(
+                    "Margin call LTV",
+                    value=default_margin_call_ltv,
+                    min=0.01,
+                    max=0.99,
+                    step=0.01,
+                ).classes("w-full")
                 metadata_label = ui.label("").classes("text-sm text-slate-500 dark:text-slate-400")
                 scenario_label = ui.label("").classes("text-sm text-slate-500 dark:text-slate-400")
                 validation_label = ui.label("").classes("text-sm text-rose-600 dark:text-rose-300")
@@ -154,7 +205,10 @@ def event_comparison_page() -> None:
                                 "Anchor date",
                                 preset.anchor_date.isoformat() if preset.anchor_date is not None else "None",
                             ),
-                            ("Scenario dates used", f"{scenario.start_date.isoformat()} → {scenario.end_date.isoformat()}"),
+                            (
+                                "Scenario dates used",
+                                f"{scenario.start_date.isoformat()} → {scenario.end_date.isoformat()}",
+                            ),
                             ("Underlying units", f"{scenario.initial_portfolio.underlying_units:,.0f}"),
                             ("Loan amount", f"${scenario.initial_portfolio.loan_amount:,.0f}"),
                             ("Margin call LTV", f"{scenario.initial_portfolio.margin_call_ltv:.1%}"),
@@ -219,16 +273,16 @@ def event_comparison_page() -> None:
                 with ui.card().classes(
                     "w-full rounded-2xl border border-slate-200 bg-white shadow-sm dark:border-slate-800 dark:bg-slate-900"
                 ):
-                    ui.label("Portfolio Value Paths").classes("text-lg font-semibold text-slate-900 dark:text-slate-100")
+                    ui.label("Portfolio Value Paths").classes(
+                        "text-lg font-semibold text-slate-900 dark:text-slate-100"
+                    )
                     ui.label(
                         "Baseline series shows the unhedged collateral value path for the same seeded event window."
                     ).classes("text-sm text-slate-500 dark:text-slate-400")
                     ui.echart(
                         _chart_options(
                             chart_model.dates,
-                            tuple(
-                                {"name": item.name, "values": list(item.values)} for item in chart_model.series
-                            ),
+                            tuple({"name": item.name, "values": list(item.values)} for item in chart_model.series),
                         )
                     ).classes("h-96 w-full")
 

app/pages/hedge.py

@@ -1,11 +1,15 @@
 from __future__ import annotations
 
+from fastapi import Request
+from fastapi.responses import RedirectResponse
 from nicegui import ui
 
+from app.models.workspace import WORKSPACE_COOKIE, get_workspace_repository
 from app.pages.common import (
     dashboard_page,
     demo_spot_price,
     portfolio_snapshot,
+    render_workspace_recovery,
     strategy_catalog,
     strategy_metrics,
 )
@@ -32,6 +36,7 @@ def _cost_benefit_options(metrics: dict) -> dict:
     }
 
 
+
 def _waterfall_options(metrics: dict) -> dict:
     steps = metrics["waterfall_steps"]
     values: list[dict[str, object]] = []
@@ -53,7 +58,28 @@ def _waterfall_options(metrics: dict) -> dict:
 
 
 @ui.page("/hedge")
-def hedge_page() -> None:
+def legacy_hedge_page(request: Request):
+    repo = get_workspace_repository()
+    workspace_id = request.cookies.get(WORKSPACE_COOKIE, "")
+    if workspace_id and repo.workspace_exists(workspace_id):
+        return RedirectResponse(url=f"/{workspace_id}/hedge", status_code=307)
+    _render_hedge_page()
+
+
+@ui.page("/{workspace_id}/hedge")
+def workspace_hedge_page(workspace_id: str) -> None:
+    repo = get_workspace_repository()
+    if not repo.workspace_exists(workspace_id):
+        render_workspace_recovery()
+        return
+    _render_hedge_page(workspace_id=workspace_id)
+
+
+
+def _render_hedge_page(workspace_id: str | None = None) -> None:
+    repo = get_workspace_repository()
+    config = repo.load_portfolio_config(workspace_id) if workspace_id else None
+    portfolio = portfolio_snapshot(config)
     strategies = strategy_catalog()
     strategy_map = {strategy["label"]: strategy["name"] for strategy in strategies}
     selected = {"strategy": strategies[0]["name"], "label": strategies[0]["label"], "scenario_pct": 0}
@@ -62,6 +88,7 @@ def hedge_page() -> None:
         "Hedge Analysis",
         "Compare hedge structures across scenarios, visualize cost-benefit tradeoffs, and inspect net equity impacts.",
         "hedge",
+        workspace_id=workspace_id,
     ):
         with ui.row().classes("w-full gap-6 max-lg:flex-col"):
             with ui.card().classes(
@@ -71,9 +98,17 @@ def hedge_page() -> None:
                 selector = ui.select(strategy_map, value=selected["label"], label="Strategy selector").classes("w-full")
                 slider_value = ui.label("Scenario move: +0%").classes("text-sm text-slate-500 dark:text-slate-400")
                 slider = ui.slider(min=-25, max=25, value=0, step=5).classes("w-full")
-                ui.label(f"Current spot reference: ${demo_spot_price():,.2f}").classes(
+                ui.label(f"Current spot reference: ${portfolio['spot_price']:,.2f}").classes(
                     "text-sm text-slate-500 dark:text-slate-400"
                 )
+                if workspace_id:
+                    ui.label(f"Workspace route: /{workspace_id}/hedge").classes(
+                        "text-xs text-slate-500 dark:text-slate-400"
+                    )
+                else:
+                    ui.label(f"Demo spot reference: ${demo_spot_price():,.2f}").classes(
+                        "text-xs text-slate-500 dark:text-slate-400"
+                    )
 
             summary = ui.card().classes(
                 "w-full rounded-2xl border border-slate-200 bg-white shadow-sm dark:border-slate-800 dark:bg-slate-900"
@@ -81,22 +116,17 @@ def hedge_page() -> None:
 
         charts_row = ui.row().classes("w-full gap-6 max-lg:flex-col")
         with charts_row:
-            cost_chart = ui.echart(
-                _cost_benefit_options(strategy_metrics(selected["strategy"], selected["scenario_pct"]))
-            ).classes(
+            initial_metrics = strategy_metrics(selected["strategy"], selected["scenario_pct"], portfolio=portfolio)
+            cost_chart = ui.echart(_cost_benefit_options(initial_metrics)).classes(
                 "h-96 w-full rounded-2xl border border-slate-200 bg-white p-4 shadow-sm dark:border-slate-800 dark:bg-slate-900"
             )
-            waterfall_chart = ui.echart(
-                _waterfall_options(strategy_metrics(selected["strategy"], selected["scenario_pct"]))
-            ).classes(
+            waterfall_chart = ui.echart(_waterfall_options(initial_metrics)).classes(
                 "h-96 w-full rounded-2xl border border-slate-200 bg-white p-4 shadow-sm dark:border-slate-800 dark:bg-slate-900"
             )
 
         def render_summary() -> None:
-            metrics = strategy_metrics(selected["strategy"], selected["scenario_pct"])
+            metrics = strategy_metrics(selected["strategy"], selected["scenario_pct"], portfolio=portfolio)
             strategy = metrics["strategy"]
-            portfolio = portfolio_snapshot()
-            starting_weight = portfolio["gold_value"] / portfolio["spot_price"]
             summary.clear()
             with summary:
                 ui.label("Scenario Summary").classes("text-lg font-semibold text-slate-900 dark:text-slate-100")
@@ -104,7 +134,10 @@ def hedge_page() -> None:
                     cards = [
                         ("Start value", f"${portfolio['gold_value']:,.0f}"),
                         ("Start price", f"${portfolio['spot_price']:,.2f}/oz"),
-                        ("Weight", f"{starting_weight:,.0f} oz"),
+                        ("Weight", f"{portfolio['gold_units']:,.0f} oz"),
+                        ("Loan amount", f"${portfolio['loan_amount']:,.0f}"),
+                        ("Margin call LTV", f"{portfolio['margin_call_ltv']:.1%}"),
+                        ("Monthly hedge budget", f"${portfolio['hedge_budget']:,.0f}"),
                         ("Scenario spot", f"${metrics['scenario_price']:,.2f}"),
                         ("Hedge cost", f"${strategy['estimated_cost']:,.2f}/oz"),
                         ("Unhedged equity", f"${metrics['unhedged_equity']:,.0f}"),

tests/test_backtest_ui.py

@@ -54,6 +54,32 @@ def test_backtest_non_default_template_slug_runs_successfully() -> None:
     assert result.run_result.template_results[0].template_slug == non_default_slug
 
 
+def test_backtest_page_service_keeps_fixture_history_while_using_caller_portfolio_inputs() -> None:
+    service = BacktestPageService()
+
+    result = service.run_read_only_scenario(
+        symbol="GLD",
+        start_date=date(2024, 1, 2),
+        end_date=date(2024, 1, 8),
+        template_slug="protective-put-atm-12m",
+        underlying_units=9680.0,
+        loan_amount=222000.0,
+        margin_call_ltv=0.80,
+    )
+
+    assert result.entry_spot == 100.0
+    assert result.scenario.initial_portfolio.underlying_units == 9680.0
+    assert result.scenario.initial_portfolio.loan_amount == 222000.0
+    assert result.scenario.initial_portfolio.margin_call_ltv == 0.80
+    assert [point.date.isoformat() for point in result.run_result.template_results[0].daily_path] == [
+        "2024-01-02",
+        "2024-01-03",
+        "2024-01-04",
+        "2024-01-05",
+        "2024-01-08",
+    ]
+
+
 @pytest.mark.parametrize(
     ("kwargs", "message"),
     [

tests/test_e2e_playwright.py

@@ -36,6 +36,7 @@ def test_homepage_and_options_page_render() -> None:
         expect(page.locator("text=Alert Status").first).to_be_visible(timeout=15000)
 
         page.goto(f"{BASE_URL}/backtests", wait_until="networkidle", timeout=30000)
+        page.wait_for_url(f"{workspace_url}/backtests", timeout=15000)
         expect(page.locator("text=Backtests").first).to_be_visible(timeout=15000)
         expect(page.locator("text=Scenario Form").first).to_be_visible(timeout=15000)
         expect(page.locator("text=Scenario Summary").first).to_be_visible(timeout=15000)
@@ -58,6 +59,7 @@ def test_homepage_and_options_page_render() -> None:
         assert "Server error" not in rerun_text
 
         page.goto(f"{BASE_URL}/event-comparison", wait_until="networkidle", timeout=30000)
+        page.wait_for_url(f"{workspace_url}/event-comparison", timeout=15000)
         expect(page.locator("text=Event Comparison").first).to_be_visible(timeout=15000)
         expect(page.locator("text=Comparison Form").first).to_be_visible(timeout=15000)
         expect(page.locator("text=Ranked Results").first).to_be_visible(timeout=15000)
@@ -102,6 +104,8 @@ def test_homepage_and_options_page_render() -> None:
         page.get_by_text("Gold weight + entry price", exact=True).click()
         page.get_by_label("Entry price ($/oz)").fill("4400")
         page.get_by_label("Gold weight (oz)").fill("220")
+        page.get_by_label("Loan amount ($)").fill("222000")
+        page.get_by_label("Margin call LTV threshold").fill("0.8")
         budget_input = page.get_by_label("Monthly hedge budget ($)")
         budget_input.fill("12345")
         page.get_by_role("button", name="Save settings").click()
@@ -109,11 +113,30 @@ def test_homepage_and_options_page_render() -> None:
         page.reload(wait_until="domcontentloaded", timeout=30000)
         expect(page.get_by_label("Monthly hedge budget ($)")).to_have_value("12345")
         expect(page.get_by_label("Entry price ($/oz)")).to_have_value("4400")
+        expect(page.get_by_label("Loan amount ($)")).to_have_value("222000")
+        expect(page.get_by_label("Margin call LTV threshold")).to_have_value("0.8")
         settings_text = page.locator("body").inner_text(timeout=15000)
         assert "RuntimeError" not in settings_text
         assert "Server error" not in settings_text
         page.screenshot(path=str(ARTIFACTS / "settings.png"), full_page=True)
 
+        page.goto(f"{workspace_url}/backtests", wait_until="networkidle", timeout=30000)
+        expect(page.get_by_label("Underlying units")).to_have_value("9680")
+        expect(page.get_by_label("Loan amount")).to_have_value("222000")
+        expect(page.get_by_label("Margin call LTV")).to_have_value("0.8")
+        backtests_workspace_text = page.locator("body").inner_text(timeout=15000)
+        assert "Scenario Summary" in backtests_workspace_text
+        assert "$968,000" in backtests_workspace_text
+
+        page.goto(f"{workspace_url}/event-comparison", wait_until="networkidle", timeout=30000)
+        expect(page.get_by_label("Underlying units")).to_have_value("9680")
+        expect(page.get_by_label("Loan amount")).to_have_value("222000")
+        expect(page.get_by_label("Margin call LTV")).to_have_value("0.8")
+        event_workspace_text = page.locator("body").inner_text(timeout=15000)
+        assert "$222,000" in event_workspace_text
+        assert "9,680" in event_workspace_text
+        assert "80.0%" in event_workspace_text
+
         page.goto(workspace_url, wait_until="domcontentloaded", timeout=30000)
         overview_text = page.locator("body").inner_text(timeout=15000)
         assert "Hedge Analysis" in overview_text
@@ -121,9 +144,14 @@ def test_homepage_and_options_page_render() -> None:
         assert "Backtests" in overview_text
         assert "Event Comparison" in overview_text
         assert "Live quote source: configured entry price fallback" in overview_text
-        assert "$878.79" in overview_text
+        assert "$1,261.36" in overview_text
         assert "$968,000.00" in overview_text
-        assert "$823,000.00" in overview_text
+        assert "$746,000.00" in overview_text
+        expect(page.get_by_role("link", name="Hedge Analysis")).to_have_attribute("href", f"/{workspace_id}/hedge")
+        expect(page.get_by_role("link", name="Backtests")).to_have_attribute("href", f"/{workspace_id}/backtests")
+        expect(page.get_by_role("link", name="Event Comparison")).to_have_attribute(
+            "href", f"/{workspace_id}/event-comparison"
+        )
 
         second_context = browser.new_context(viewport={"width": 1440, "height": 1000})
         second_page = second_context.new_page()
@@ -139,6 +167,7 @@ def test_homepage_and_options_page_render() -> None:
         second_context.close()
 
         page.goto(f"{BASE_URL}/hedge", wait_until="domcontentloaded", timeout=30000)
+        page.wait_for_url(f"{workspace_url}/hedge", timeout=15000)
         expect(page.locator("text=Hedge Analysis").first).to_be_visible(timeout=15000)
         expect(page.locator("text=Strategy selector").first).to_be_visible(timeout=15000)
         expect(page.locator("text=Strategy Controls").first).to_be_visible(timeout=15000)
@@ -156,13 +185,16 @@ def test_homepage_and_options_page_render() -> None:
         assert "Start value" in hedge_text
         assert "Start price" in hedge_text
         assert "Weight" in hedge_text
-        assert "$215,000" in hedge_text
-        assert "$215.00/oz" in hedge_text
-        assert "1,000 oz" in hedge_text
+        assert "Loan amount" in hedge_text
+        assert "Monthly hedge budget" in hedge_text
+        assert "$968,000" in hedge_text
+        assert "$4,400.00/oz" in hedge_text
+        assert "220 oz" in hedge_text
+        assert "$222,000" in hedge_text
+        assert "80.0%" in hedge_text
+        assert "$12,345" in hedge_text
         assert "Unhedged equity" in hedge_text
         assert "Hedged equity" in hedge_text
-        assert "$27,000" in hedge_text
-        assert "$58,750" in hedge_text
         page.screenshot(path=str(ARTIFACTS / "hedge.png"), full_page=True)
 
         browser.close()

tests/test_event_comparison_ui.py

@@ -66,6 +66,25 @@ def test_event_comparison_page_service_exposes_seeded_preset_options() -> None:
     )
 
 
+def test_event_comparison_page_service_keeps_fixture_window_while_using_caller_portfolio_inputs() -> None:
+    service = EventComparisonPageService()
+
+    report = service.run_read_only_comparison(
+        preset_slug="gld-jan-2024-selloff",
+        template_slugs=("protective-put-atm-12m",),
+        underlying_units=9680.0,
+        loan_amount=222000.0,
+        margin_call_ltv=0.80,
+    )
+
+    assert report.scenario.start_date.isoformat() == "2024-01-02"
+    assert report.scenario.end_date.isoformat() == "2024-01-08"
+    assert report.scenario.initial_portfolio.entry_spot == 100.0
+    assert report.scenario.initial_portfolio.underlying_units == 9680.0
+    assert report.scenario.initial_portfolio.loan_amount == 222000.0
+    assert report.scenario.initial_portfolio.margin_call_ltv == 0.80
+
+
 def test_event_comparison_page_service_resets_template_selection_to_preset_defaults() -> None:
     service = EventComparisonPageService()
 

tests/test_workspace.py

@@ -98,3 +98,64 @@ def test_workspace_settings_round_trip_uses_workspace_storage(tmp_path, monkeypa
     assert response.status_code == 200
     assert "Settings" in response.text
     assert "9,999" in response.text or "9999" in response.text
+
+
+def test_workspace_pages_use_workspace_scoped_navigation_links(tmp_path, monkeypatch) -> None:
+    repo = _install_workspace_repo(tmp_path, monkeypatch)
+    workspace_id = str(uuid4())
+    repo.create_workspace(workspace_id)
+
+    with TestClient(app) as client:
+        response = client.get(f"/{workspace_id}")
+
+    assert response.status_code == 200
+    assert f"/{workspace_id}/hedge" in response.text
+    assert f"/{workspace_id}/backtests" in response.text
+    assert f"/{workspace_id}/event-comparison" in response.text
+    assert f"/{workspace_id}/settings" in response.text
+
+
+def test_workspace_routes_seed_page_defaults_from_workspace_portfolio_config(tmp_path, monkeypatch) -> None:
+    repo = _install_workspace_repo(tmp_path, monkeypatch)
+    workspace_id = str(uuid4())
+    config = repo.create_workspace(workspace_id)
+    config.entry_basis_mode = "weight"
+    config.entry_price = 4_400.0
+    config.gold_ounces = 220.0
+    config.gold_value = 968_000.0
+    config.loan_amount = 222_000.0
+    config.margin_threshold = 0.80
+    config.monthly_budget = 12_345.0
+    repo.save_portfolio_config(workspace_id, config)
+
+    with TestClient(app) as client:
+        hedge_response = client.get(f"/{workspace_id}/hedge")
+        backtests_response = client.get(f"/{workspace_id}/backtests")
+        event_response = client.get(f"/{workspace_id}/event-comparison")
+        redirect_response = client.get("/backtests", cookies={"workspace_id": workspace_id}, follow_redirects=False)
+
+    assert hedge_response.status_code == 200
+    assert "Monthly hedge budget" in hedge_response.text
+    assert "12,345" in hedge_response.text or "12345" in hedge_response.text
+    assert "968,000" in hedge_response.text or "968000" in hedge_response.text
+    assert "4,400.00/oz" in hedge_response.text or "4400.00/oz" in hedge_response.text
+    assert "220 oz" in hedge_response.text
+    assert "222,000" in hedge_response.text or "222000" in hedge_response.text
+    assert "80.0%" in hedge_response.text
+
+    assert backtests_response.status_code == 200
+    assert "Workspace defaults seed underlying units, loan amount, and margin threshold." in backtests_response.text
+    assert "9680" in backtests_response.text or "9,680" in backtests_response.text
+    assert "222000" in backtests_response.text or "222,000" in backtests_response.text
+    assert "0.8" in backtests_response.text or "80.0%" in backtests_response.text
+
+    assert event_response.status_code == 200
+    assert "Workspace defaults seed underlying units, loan amount, and margin threshold." in event_response.text
+    assert "Underlying units" in event_response.text
+    assert "Loan amount" in event_response.text
+    assert "222,000" in event_response.text or "222000" in event_response.text
+    assert "9,680" in event_response.text or "9680" in event_response.text
+    assert "80.0%" in event_response.text
+
+    assert redirect_response.status_code in {302, 303, 307}
+    assert redirect_response.headers["location"] == f"/{workspace_id}/backtests"