make the email url the selection instead of a mirror of it

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

docs/navigation-audit.md

@@ -35,7 +35,9 @@ That fix is the template for the HIGH items below. **Caveat:** the fix only did
 
 ## Route map (from `App.tsx`)
 
-**Existing entity routes:** `/chat/:sessionId`, `/jobs/:id`, `/dashboards/:id`, `/projects/:id`, `/email/:emailId`.
+**Existing entity routes:** `/chat/:sessionId`, `/jobs/:id`, `/dashboards/:id`, `/email/:emailId`. (`/projects/:id`
+was in this list; the Projects feature was removed end to end on 2026-07-30, so the route is gone with it. H3
+and navigate-site 22 below still name it — they are the record of work that happened, not of code that exists.)
 **Flat screens:** `/` `/files` `/music` `/tasks` `/skills` `/processes` `/activity`
 `/system-monitor` `/task-logs` `/plans` `/terminal` `/desktop` `/browser` `/code-editor`.
 The five settings pages are route **pairs** now, not flat screens — `/settings/{profile,ai,system,integrations,user-management}`
@@ -59,7 +61,7 @@ are good building blocks. The **Workspace/Panel framework** contains **zero** ro
 | H2 | `workspaces/…/apps/Dashboards/DashboardListApp.tsx:133` | a dashboard | `<div onClick={handleClick}>` → `useGlobal(SELECTED_DASHBOARD_KEY)` on-page (**no URL change**), `navigate()` off-page | rows → `<Link to={`/dashboards/${ws.id}`}>`; drop the global as selection source (derive from `useParams`). Header is already a `<Link>` — app is internally inconsistent. |
 | H3 | `workspaces/…/apps/Projects/ProjectListApp.tsx:161` | a project | `<div onClick={handleClick}>` → `useGlobal(SELECTED_PROJECT)` on-page (**no URL change**), `navigate()` off-page | identical to H2 → `<Link to={`/projects/${p.id}`}>`; retire `SELECTED_PROJECT` as source of truth. |
 | H4 | `workspaces/…/apps/ChatHistory/ChatDetailPanel.tsx:136` | which chat to render | reads `usePanelChannel('chat:selected-session')`, **not** `useParams` | make the route the source of truth: read `sessionId` from `useParams`, fetch by id, retire `chat:selected-session` (or make it a derived cache). **Finishes the /chat fix.** |
-| H5 | `Screens/Dashboard/Email/EmailList.tsx:336` | an email | `<button data-email-id onClick={setSelectedId}>` + `EMAIL_SELECTED` channel + a state↔URL sync effect (`EmailScreen.tsx:27-33`) | rows → `<Link to={`/email/${msg.id}`}>`, drive selection **from** `useParams().emailId`, delete the two sync effects. (Already round-trips the URL + has `data-email-id`, but still isn't an anchor.) |
+| ~~H5~~ | ~~`Screens/Dashboard/Email/EmailList.tsx:336`~~ | ~~an email~~ | ~~`<button data-email-id onClick={setSelectedId}>` + `EMAIL_SELECTED` channel + a state↔URL sync effect (`EmailScreen.tsx:27-33`)~~ | **Done.** Rows are `<Link to={emailPath(msg.id)}>`, list + reader + mobile-panel all read `useSelectedEmailId()` (`Email/shared.ts`), and `EMAIL_SELECTED` plus both sync effects are deleted. Arrow-key browsing navigates with `replace` so a sweep doesn't stack history. |
 
 > **Verify:** `Dashboards/DashboardPreview.tsx:355,377` and `Projects/ProjectPreview.tsx:430,457` also
 > `navigate('/…/:id')`. The nav auditor read these as HIGH "open entity"; the apps auditor read the Project
@@ -119,7 +121,6 @@ This is the primary surface to convert to URL-driven selection.
 | `chat:active-cwd` | chat working dir | query param on `/chat` | `ChatDetailPanel.tsx:102`, `SessionList.tsx:14` |
 | `SELECTED_DASHBOARD_KEY` (`useGlobal`) | selected dashboard | `/dashboards/:id` | `DashboardListApp.tsx:36`, `DashboardPreview.tsx:287` (H2) |
 | `SELECTED_PROJECT` (`useGlobal`) | selected project | `/projects/:id` | `ProjectListApp.tsx:45`, `ProjectPreview.tsx:386` (H3) |
-| `EMAIL_SELECTED` | open email | `/email/:emailId` | `EmailList.tsx:336`, `EmailScreen.tsx` sync (H5) |
 | `music:cwd` | library location (album/artist/folder) | `/music?path=` | `MusicBrowser/MusicDetail/FavoritesView` |
 | local `useState` selections | search / room / conversation / peer / open file / preview slug | respective nested routes | `SearchView`, `SoulseekRooms`, `SoulseekChat`, `SoulseekUsers`, `CodeEditor/useEditorState`, `PreviewProvider` |
 
@@ -159,8 +160,8 @@ publishers means changing the chat panel, which is another agent's, so it is wri
 | 16 | `FileBrowserApp/useFileBrowserApp.ts:427` | create dashboard from files | `/dashboards/new?…` | ~ | action-nav |
 | 17 | `FileBrowserApp/.../TaskRunnerModal.tsx:1168` | after starting job | `/jobs` `/jobs/:id` | NO | post-submit |
 | 18 | `FileBrowserApp/.../TaskRunnerModal.tsx:1649` | after starting pipeline | `/jobs/:id` | NO | post-submit |
-| 19 | `Email/EmailScreen.tsx:29` | sync selection → URL (effect) | `/email/:emailId` | NO | delete in H5 |
-| 20 | `Email/EmailScreen.tsx:31` | clear selection → URL (effect) | `/email` | NO | delete in H5 |
+| ~~19~~ | ~~`Email/EmailScreen.tsx:29`~~ | ~~sync selection → URL (effect)~~ | — | — | deleted (H5) |
+| ~~20~~ | ~~`Email/EmailScreen.tsx:31`~~ | ~~clear selection → URL (effect)~~ | — | — | deleted (H5); the mobile Back button navigates to `/email` instead |
 | 21 | `ChatHistory/index.tsx:107` | redirect when no id | `/chat` | NO | guard |
 | 22 | `Projects/ProjectListScreen.tsx:66` | clear/redirect | `/projects` | NO | guard |
 | 23 | `Authentication/ForgotPassword/useResetPassword.ts:48` | post-reset redirect | `/` | NO | action result |
@@ -185,7 +186,7 @@ publishers means changing the chat panel, which is another agent's, so it is wri
 - [x] **H2** Dashboards rows → `<Link>`; `SELECTED_DASHBOARD_KEY` global replaced by `?selected=` URL param across `DashboardListApp`/`DashboardsScreen`/`DashboardPreview`. Done — `01365cb`. **Needs runtime test.** (The constant itself outlived its last reader by four months and has now been deleted; its siblings in `Dashboards/constants.ts` are dialog form state, not selection, and stay.)
 - [x] **H3** Projects rows → `<Link>`; `SELECTED_PROJECT` global replaced by `?selected=` URL param across `ProjectListApp`/`ProjectListScreen`/`ProjectPreview`. Done — `2aaacc8`. **Needs runtime test.**
 - [ ] **H4** Chat detail: read `sessionId` from `useParams`, retire `chat:selected-session` as source of truth (`ChatDetailPanel.tsx:136`) — **finishes the /chat fix**. *Deferred: overlaps the in-flight `sidecars-*` chat-comms work; do after that lands.*
-- [ ] **H5** Email rows → `<Link>` driven by `useParams().emailId`; delete the state↔URL sync effects (`EmailList.tsx:336`, `EmailScreen.tsx:27-33`).
+- [x] **H5** Email rows → `<Link>` driven by `useParams().emailId`; the `EMAIL_SELECTED` global and both state↔URL sync effects are gone. **Needs runtime test.** (`EMAIL_FOLDER` stays a `useGlobal` for now — it is read in one component and is view state, not selection; putting the folder in `?folder=` is a separate, smaller item.)
 - [x] **M8** Dead `/settings/resources` menu item removed from `UserMenu.tsx`, along with its now-orphaned `en`/`pt` locale keys. **Needs runtime test.**
 - [ ] Verify + convert the 4 preview "open" navigates (`DashboardPreview:355,377`, `ProjectPreview:430,457`); leave genuine post-mutation redirects.