fix(ui): align contextual documentation with headings

Verified with the coordinated workspace changes by devkit full run
2026-09-08T225814-186389-0000-3e3ed7cd (all seven phases passed).
This shared UI pass does not mark the individual module reviews complete.

webui/src/features/cases/CaseDecisionDialog.tsx

@@ -103,6 +103,7 @@ export default function CaseDecisionDialog({
       <Dialog
         open={open}
         title={i18nMessage("i18n:govoplan-cases.decision_title", { value0: record.case_number })}
+        titleHelp={<DocumentationHelpLink reference={CASES_FIELDS_DOCUMENTATION} />}
         onClose={onClose}
         closeDisabled={busy}
         portal
@@ -123,7 +124,6 @@ export default function CaseDecisionDialog({
         }
       >
         <div className="case-decision-content" data-help-context-id="cases.decision.editor">
-          <DocumentationHelpLink reference={CASES_FIELDS_DOCUMENTATION} />
           {error ? <DismissibleAlert tone="danger" resetKey={error}>{error}</DismissibleAlert> : null}
           <p className="case-decision-explanation">
             The server verifies your current acting assignment, the effective Mandate, the exact Case revision, evidence, and legal basis before recording the outcome.

webui/src/features/cases/CaseDetailPage.tsx

@@ -5,6 +5,7 @@ import { ActionToolbar,
   ActionBlockerHint,
   Button,
   DocumentationHelpLink,
+  TextWithHelp,
   DismissibleAlert,
   FormField,
   IconButton,
@@ -335,7 +336,6 @@ export default function CaseDetailPage({ settings, auth }: PlatformRouteContext)
               />
             </div>
           ) : null}
-          <DocumentationHelpLink reference={CASES_DOCUMENTATION} />
         </ActionToolbar>
         <PageScrollViewport className="case-detail-viewport">
           {error &&
@@ -350,7 +350,7 @@ export default function CaseDetailPage({ settings, auth }: PlatformRouteContext)
                 <div className="case-detail-title-row">
                   <div>
                     <span className="case-detail-eyebrow">{humanize(record.case_type_key)}</span>
-                    <h1>{record.title}</h1>
+                    <TextWithHelp as="div" help={<DocumentationHelpLink reference={CASES_DOCUMENTATION} />}><h1>{record.title}</h1></TextWithHelp>
                   </div>
                   <StatusBadge status={record.closed_at ? "inactive" : "active"} label={humanize(record.status_key)} />
                 </div>

webui/src/features/cases/CaseShareDialog.tsx

@@ -173,6 +173,7 @@ export default function CaseShareDialog({
     <Dialog
       open={open}
       title={i18nMessage("i18n:govoplan-cases.case_access_title", { value0: record.case_number })}
+      titleHelp={<DocumentationHelpLink reference={CASES_FIELDS_DOCUMENTATION} />}
       onClose={close}
       closeDisabled={busy}
       portal
@@ -193,7 +194,6 @@ export default function CaseShareDialog({
       }
     >
       <div className="case-share-content">
-        <DocumentationHelpLink reference={CASES_FIELDS_DOCUMENTATION} />
         {error ? (
           <DismissibleAlert tone="danger" resetKey={error}>{error}</DismissibleAlert>
         ) : null}

webui/src/features/cases/CasesPage.tsx

@@ -90,6 +90,8 @@ export default function CasesPage({ settings }: PlatformRouteContext) {
     <main className="cases-page">
       <WorkspaceFrame className="cases-shell" label="Cases" interfaceId="cases.catalogue" helpContextId="cases.page.catalogue" helpModuleId="cases">
         <WorkspaceActionBar
+          title="Cases"
+          titleHelp={<DocumentationHelpLink reference={CASES_DOCUMENTATION} />}
           scope="collection-pane"
           variant="collection"
           refreshable
@@ -131,7 +133,6 @@ export default function CasesPage({ settings }: PlatformRouteContext) {
             </label>
             <span className="cases-count">{i18nMessage("i18n:govoplan-cases.case_count", { value0: total })}</span>
           </>}
-          helpAction={<DocumentationHelpLink reference={CASES_DOCUMENTATION} />}
         />
         <PageScrollViewport className="cases-list-viewport">
           {error &&