chore: enforce shared workspace layouts

docs/architecture/INTERFACE_PATTERN_LANGUAGE.md

@@ -71,13 +71,20 @@ entity, permission, workflow state, endpoint, or policy decision. Reuse does
 not justify moving domain semantics into Core.
 
 `PageLayout` is the standard frame for headed workflow, dashboard,
-configuration, monitoring and explanatory pages. It owns the scroll viewport,
-content inset, sticky responsive header, title and description geometry,
-route-action placement, transient page notices, loading boundary and page help
-identity. `PageHeader` is the escape hatch for full-canvas archetypes that need
-the same header contract but must own their workspace scroll. Specialized
-layouts such as `AdminPageLayout` compose these lower-level Core contracts;
-they do not repeat their markup or responsive CSS.
+configuration, monitoring and explanatory pages. It owns the content inset,
+sticky responsive header, title and rich-description geometry, route-action
+placement, transient and custom notices, loading boundary and page help
+identity. Its modes make scroll ownership explicit: `standalone` owns a page
+viewport, `workspace` defers scrolling to a full-canvas content pane while
+retaining the standard inset, and `embedded` owns neither scroll nor inset.
+
+`WorkspaceLayout` is the standard full-canvas shell. Its `navigation` variant
+owns module/resource subnavigation plus content; its `split` variant owns
+collection/detail panes. It centralizes pane sizing, internal scroll,
+responsive collapse/stacking, accessible pane labels and workspace help
+identity. `PageHeader` remains available when an exceptional canvas needs only
+the shared heading. Specialized layouts such as `AdminPageLayout` compose
+these lower-level Core contracts; they do not repeat markup or responsive CSS.
 
 Module CSS may arrange domain content inside a shared layout. It must not
 override Core layout internals or copy the outer page, dialog, toolbar, form or
@@ -95,10 +102,10 @@ Migration is incremental and enforceable:
 5. promote the next repeated structure only after its variants and extension
    points are understood.
 
-The intended next structural contracts are workspace/split-pane layout,
-responsive page toolbar, content grid, form-section layout, dialog body/footer
-layout and shared empty/error state composition. Their APIs must remain
-composable; a central component is not a single oversized page template.
+The intended next structural contracts are responsive page toolbar, content
+grid, form-section layout, dialog body/footer layout and shared empty/error
+state composition. Their APIs must remain composable; a central component is
+not a single oversized page template.
 
 ## Surface Archetypes
 

tools/checks/check-focused.sh

@@ -132,6 +132,9 @@ cd /mnt/DATA/git/govoplan-workflow/webui
 cd /mnt/DATA/git/govoplan-dashboard/webui
 "$NPM" run test:dashboard-layout
 
+cd /mnt/DATA/git/govoplan-approvals/webui
+"$NPM" run test:workspace-layout
+
 cd /mnt/DATA/git/govoplan-postbox/webui
 "$NPM" run test:ui-structure
 
@@ -141,3 +144,4 @@ cd /mnt/DATA/git/govoplan-mail/webui
 cd /mnt/DATA/git/govoplan-campaign/webui
 "$NPM" run test:policy-ui
 "$NPM" run test:template-preview
+"$NPM" run test:accessibility-contract

tools/checks/check-shared-webui-layouts.py

@@ -11,21 +11,53 @@ import sys
 META_ROOT = pathlib.Path(__file__).resolve().parents[2]
 REPOS_ROOT = META_ROOT.parent
 BASELINE_PATH = pathlib.Path(__file__).with_name("shared-webui-layout-baseline.txt")
+WORKSPACE_BASELINE_PATH = pathlib.Path(__file__).with_name(
+    "shared-webui-workspace-baseline.txt"
+)
 RAW_PAGE_FRAME = 'className="content-pad workspace-data-page'
+RAW_WORKSPACE = re.compile(r'<div\s+className="workspace(?:\s|\")')
 LOCAL_PAGE_LAYOUT = re.compile(r"\b(?:function|class|const)\s+PageLayout\b")
+LOCAL_WORKSPACE_LAYOUT = re.compile(
+    r"\b(?:function|class|const)\s+WorkspaceLayout\b"
+)
 CENTRAL_LAYOUT = pathlib.Path("govoplan-core/webui/src/components/PageLayout.tsx")
+CENTRAL_WORKSPACE_LAYOUT = pathlib.Path(
+    "govoplan-core/webui/src/components/WorkspaceLayout.tsx"
+)
 REQUIRED_CONSUMERS = (
     pathlib.Path("govoplan-core/webui/src/components/admin/AdminPageLayout.tsx"),
     pathlib.Path("govoplan-core/webui/src/features/dashboard/DashboardPage.tsx"),
     pathlib.Path("govoplan-dashboard/webui/src/features/dashboard/DashboardPage.tsx"),
     pathlib.Path("govoplan-ops/webui/src/features/ops/OpsPage.tsx"),
+    pathlib.Path("govoplan-campaign/webui/src/features/campaigns/AttachmentsDataPage.tsx"),
+    pathlib.Path("govoplan-campaign/webui/src/features/campaigns/CampaignAuditPage.tsx"),
+    pathlib.Path("govoplan-campaign/webui/src/features/campaigns/CampaignFieldsPage.tsx"),
+    pathlib.Path("govoplan-campaign/webui/src/features/campaigns/CampaignJsonView.tsx"),
+    pathlib.Path("govoplan-campaign/webui/src/features/campaigns/CampaignListPage.tsx"),
+    pathlib.Path("govoplan-campaign/webui/src/features/campaigns/CampaignOverviewPage.tsx"),
+    pathlib.Path("govoplan-campaign/webui/src/features/campaigns/CampaignReportPage.tsx"),
+    pathlib.Path("govoplan-campaign/webui/src/features/campaigns/GlobalSettingsPage.tsx"),
+    pathlib.Path("govoplan-campaign/webui/src/features/campaigns/MailSettingsPage.tsx"),
+    pathlib.Path("govoplan-campaign/webui/src/features/campaigns/ReviewSendPage.tsx"),
+    pathlib.Path("govoplan-campaign/webui/src/features/campaigns/TemplateDataPage.tsx"),
+    pathlib.Path("govoplan-campaign/webui/src/features/campaigns/components/CampaignDraftPageScaffold.tsx"),
+    pathlib.Path("govoplan-campaign/webui/src/features/campaigns/wizard/WizardDirectoryPage.tsx"),
+    pathlib.Path("govoplan-campaign/webui/src/features/operator/OperatorQueuePage.tsx"),
+    pathlib.Path("govoplan-campaign/webui/src/features/reports/AggregateReportsPage.tsx"),
+    pathlib.Path("govoplan-campaign/webui/src/features/templates/TemplatesPage.tsx"),
+)
+REQUIRED_WORKSPACE_CONSUMERS = (
+    pathlib.Path("govoplan-campaign/webui/src/features/campaigns/CampaignWorkspace.tsx"),
+    pathlib.Path("govoplan-campaign/webui/src/features/campaigns/CampaignModulePage.tsx"),
+    pathlib.Path("govoplan-campaign/webui/src/features/templates/TemplatesPage.tsx"),
+    pathlib.Path("govoplan-approvals/webui/src/features/approvals/ApprovalsPage.tsx"),
 )
 
 
-def baseline_paths() -> set[pathlib.Path]:
+def baseline_paths(path: pathlib.Path) -> set[pathlib.Path]:
     return {
         pathlib.Path(line.strip())
-        for line in BASELINE_PATH.read_text(encoding="utf-8").splitlines()
+        for line in path.read_text(encoding="utf-8").splitlines()
         if line.strip() and not line.lstrip().startswith("#")
     }
 
@@ -47,7 +79,7 @@ def main() -> int:
     sources = source_paths()
     source_text = {relative(path): path.read_text(encoding="utf-8") for path in sources}
     raw_frames = {path for path, text in source_text.items() if RAW_PAGE_FRAME in text}
-    baseline = baseline_paths()
+    baseline = baseline_paths(BASELINE_PATH)
     available_baseline = {
         path for path in baseline if (REPOS_ROOT / path.parts[0]).is_dir()
     }
@@ -63,9 +95,30 @@ def main() -> int:
         errors.append("Remove migrated page frames from the shared-layout baseline:")
         errors.extend(f"- {path}" for path in resolved)
 
+    raw_workspaces = {
+        path for path, text in source_text.items() if RAW_WORKSPACE.search(text)
+    }
+    workspace_baseline = baseline_paths(WORKSPACE_BASELINE_PATH)
+    available_workspace_baseline = {
+        path
+        for path in workspace_baseline
+        if (REPOS_ROOT / path.parts[0]).is_dir()
+    }
+    unexpected_workspaces = sorted(raw_workspaces - available_workspace_baseline)
+    if unexpected_workspaces:
+        errors.append("New raw workspaces must use @govoplan/core-webui WorkspaceLayout:")
+        errors.extend(f"- {path}" for path in unexpected_workspaces)
+
+    resolved_workspaces = sorted(available_workspace_baseline - raw_workspaces)
+    if resolved_workspaces:
+        errors.append("Remove migrated workspaces from the shared-workspace baseline:")
+        errors.extend(f"- {path}" for path in resolved_workspaces)
+
     for path, text in source_text.items():
         if path != CENTRAL_LAYOUT and LOCAL_PAGE_LAYOUT.search(text):
             errors.append(f"Module-local PageLayout definition is not allowed: {path}")
+        if path != CENTRAL_WORKSPACE_LAYOUT and LOCAL_WORKSPACE_LAYOUT.search(text):
+            errors.append(f"Module-local WorkspaceLayout definition is not allowed: {path}")
 
     for path in REQUIRED_CONSUMERS:
         absolute_path = REPOS_ROOT / path
@@ -77,9 +130,21 @@ def main() -> int:
         if RAW_PAGE_FRAME in text:
             errors.append(f"Required shared-layout consumer restored the raw page frame: {path}")
 
+    for path in REQUIRED_WORKSPACE_CONSUMERS:
+        absolute_path = REPOS_ROOT / path
+        if not absolute_path.exists():
+            continue
+        text = absolute_path.read_text(encoding="utf-8")
+        if "<WorkspaceLayout" not in text:
+            errors.append(f"Required shared-workspace consumer no longer uses WorkspaceLayout: {path}")
+        if RAW_WORKSPACE.search(text):
+            errors.append(f"Required shared-workspace consumer restored the raw workspace: {path}")
+
     core_index = REPOS_ROOT / "govoplan-core/webui/src/index.ts"
     if core_index.exists() and "PageLayout, PageHeader" not in core_index.read_text(encoding="utf-8"):
         errors.append("Core must export PageLayout and PageHeader from @govoplan/core-webui.")
+    if core_index.exists() and "WorkspaceLayout" not in core_index.read_text(encoding="utf-8"):
+        errors.append("Core must export WorkspaceLayout from @govoplan/core-webui.")
 
     if errors:
         print("\n".join(errors), file=sys.stderr)
@@ -88,7 +153,9 @@ def main() -> int:
     print(
         "Shared WebUI layout contract passed: "
         f"{len(REQUIRED_CONSUMERS)} central consumers, "
-        f"{len(raw_frames)} registered legacy page-frame files."
+        f"{len(raw_frames)} registered legacy page-frame files; "
+        f"{len(REQUIRED_WORKSPACE_CONSUMERS)} workspace consumers, "
+        f"{len(raw_workspaces)} registered legacy workspace files."
     )
     return 0
 

tools/checks/shared-webui-layout-baseline.txt

@@ -1,22 +1,6 @@
 # Existing raw page frames. Remove an entry when that surface adopts the Core
 # PageLayout contract. New entries are rejected by check-shared-webui-layouts.py.
 govoplan-access/webui/src/features/admin/AdminPage.tsx
-govoplan-campaign/webui/src/features/campaigns/AttachmentsDataPage.tsx
-govoplan-campaign/webui/src/features/campaigns/CampaignAuditPage.tsx
-govoplan-campaign/webui/src/features/campaigns/CampaignFieldsPage.tsx
-govoplan-campaign/webui/src/features/campaigns/CampaignJsonView.tsx
-govoplan-campaign/webui/src/features/campaigns/CampaignListPage.tsx
-govoplan-campaign/webui/src/features/campaigns/CampaignOverviewPage.tsx
-govoplan-campaign/webui/src/features/campaigns/CampaignReportPage.tsx
-govoplan-campaign/webui/src/features/campaigns/GlobalSettingsPage.tsx
-govoplan-campaign/webui/src/features/campaigns/MailSettingsPage.tsx
-govoplan-campaign/webui/src/features/campaigns/ReviewSendPage.tsx
-govoplan-campaign/webui/src/features/campaigns/TemplateDataPage.tsx
-govoplan-campaign/webui/src/features/campaigns/components/CampaignDraftPageScaffold.tsx
-govoplan-campaign/webui/src/features/campaigns/wizard/WizardDirectoryPage.tsx
-govoplan-campaign/webui/src/features/operator/OperatorQueuePage.tsx
-govoplan-campaign/webui/src/features/reports/AggregateReportsPage.tsx
-govoplan-campaign/webui/src/features/templates/TemplatesPage.tsx
 govoplan-core/webui/src/features/settings/SettingsPage.tsx
 govoplan-docs/webui/src/features/docs/DocsPage.tsx
 govoplan-mail/webui/src/features/mail/MailBouncePage.tsx

tools/checks/shared-webui-workspace-baseline.txt

@@ -0,0 +1,6 @@
+# Existing raw full-canvas workspaces. Remove an entry when that surface adopts
+# WorkspaceLayout. New entries are rejected by check-shared-webui-layouts.py.
+govoplan-access/webui/src/features/admin/AdminPage.tsx
+govoplan-core/webui/src/features/settings/SettingsPage.tsx
+govoplan-docs/webui/src/features/docs/DocsPage.tsx
+govoplan-organizations/webui/src/features/organizations/OrganizationsPage.tsx