Project actions: run commands from header on web + mobile, with SSH-forward URL opening (#542)

* feat: add project actions in header with reliable terminal run flow

- Add per-project Actions settings with icons, platform filters, and default action
- Run/stop actions from header using terminal tabs, including Ctrl+C then force-kill fallback
- Improve terminal UX with stable selection, resize handling, and smarter URL auto-open for localhost ports

* feat: add project actions UI with refined header dropdown behavior

* feat: add parent-session back button in chat

* fix: make web and desktop dev modes reliable and conflict-free

- Separate desktop and web dev ports to avoid collisions
- Add robust process-tree shutdown so Ctrl+C cleans sidecars
- Add true web HMR mode and keep service worker out of dev

* fix: linux safe scripts for dev

* feat: run project actions on web and add desktop SSH forward URL opening

* feat: add mobile project actions button with terminal tabs and tighter tab UI

* revert: remove experimental mobile terminal selection UI

* feat: show Add action button in header when empty

* fix: make retry countdown human-readable in status row

* fix: prevent nav rail actions from firing through overlays

packages/ui/src/stores/useTerminalStore.ts

@@ -36,6 +36,7 @@ interface TerminalStore {
 
   createTab: (directory: string) => string;
   setActiveTab: (directory: string, tabId: string) => void;
+  setTabLabel: (directory: string, tabId: string, label: string) => void;
   closeTab: (directory: string, tabId: string) => Promise<void>;
 
   setTabSessionId: (directory: string, tabId: string, sessionId: string | null) => void;
@@ -192,6 +193,43 @@ export const useTerminalStore = create<TerminalStore>()(
           });
         },
 
+        setTabLabel: (directory: string, tabId: string, label: string) => {
+          const key = normalizeDirectory(directory);
+          const normalizedLabel = label.trim();
+          if (!normalizedLabel) {
+            return;
+          }
+
+          set((state) => {
+            const newSessions = new Map(state.sessions);
+            const existing = newSessions.get(key);
+            if (!existing) {
+              return state;
+            }
+
+            const idx = findTabIndex(existing, tabId);
+            if (idx < 0) {
+              return state;
+            }
+
+            if (existing.tabs[idx]?.label === normalizedLabel) {
+              return state;
+            }
+
+            const nextTabs = [...existing.tabs];
+            nextTabs[idx] = {
+              ...nextTabs[idx],
+              label: normalizedLabel,
+            };
+
+            newSessions.set(key, {
+              ...existing,
+              tabs: nextTabs,
+            });
+            return { sessions: newSessions };
+          });
+        },
+
         closeTab: async (directory: string, tabId: string) => {
           const key = normalizeDirectory(directory);
           const entry = get().sessions.get(key);
@@ -258,7 +296,7 @@ export const useTerminalStore = create<TerminalStore>()(
             }
 
             const tab = existing.tabs[idx];
-            const shouldResetBuffer = tab.terminalSessionId !== sessionId;
+            const shouldResetBuffer = sessionId !== null && tab.terminalSessionId !== sessionId;
 
             const nextTab: TerminalTab = {
               ...tab,