Remove dead normalizeIssue function and make legal pages linkable

- Remove unused normalizeIssue and JIRA_STORY_POINTS_FIELD env var
- Add URL routing for /terms, /privacy, /support pages

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

backend/.env.example

@@ -8,5 +8,4 @@ JIRA_CLIENT_SECRET=
 JIRA_OAUTH_REDIRECT_URI=http://localhost:4010/api/jira/oauth/callback
 JIRA_SCOPES="offline_access read:jira-work write:jira-work read:me"
 JWT_SECRET=change-me-to-a-random-secret
-JIRA_STORY_POINTS_FIELD=customfield_10016
 JIRA_MOCK_FALLBACK=true

backend/src/services/jiraService.js

@@ -193,20 +193,8 @@ async function jiraFetch(jiraAccountId, path, options = {}) {
   return response.json();
 }
 
-function normalizeIssue(issue) {
-  return {
-    id: issue.id,
-    key: issue.key,
-    title: issue.fields?.summary || issue.key,
-    description: issue.fields?.description || null,
-    estimate: issue.fields?.[process.env.JIRA_STORY_POINTS_FIELD || 'customfield_10016'] || 0,
-    status: issue.fields?.status?.name || 'Unknown',
-    reporter: issue.fields?.reporter?.displayName || null
-  };
-}
-
 export async function getSprintIssues(jiraAccountId, sprintId, boardId) {
-  let spField = process.env.JIRA_STORY_POINTS_FIELD || 'customfield_10016';
+  let spField = 'customfield_10016';
   if (boardId) {
     try {
       const config = await jiraFetch(jiraAccountId, `/rest/agile/1.0/board/${boardId}/configuration`);

frontend/src/App.jsx

@@ -21,7 +21,10 @@ function useDarkMode() {
 }
 
 export default function App() {
-  const [view, setView] = useState('loading');
+  const [view, setView] = useState(() => {
+    const legalPages = { '/terms': 'legal-terms', '/privacy': 'legal-privacy', '/support': 'legal-support' };
+    return legalPages[window.location.pathname] || 'loading';
+  });
   const [user, setUser] = useState(null);
   const [activeRoom, setActiveRoom] = useState(null);
   const [prevView, setPrevView] = useState('login');
@@ -92,12 +95,16 @@ export default function App() {
 
   function showLegal(page) {
     setPrevView(view);
+    window.history.pushState({}, '', `/${page}`);
     setView(`legal-${page}`);
   }
 
   if (view.startsWith('legal-')) {
     const page = view.replace('legal-', '');
-    return <LegalPage page={page} dark={dark} onBack={() => setView(prevView)} />;
+    return <LegalPage page={page} dark={dark} onBack={() => {
+      window.history.replaceState({}, '', '/');
+      setView(prevView);
+    }} />;
   }
 
   if (view === 'login') {