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

package.json

@@ -38,7 +38,8 @@
     "postinstall": "patch-package",
     "dev:web": "bun run --cwd packages/web build:watch",
     "dev:web:server": "bun run --cwd packages/web dev:server:watch",
-    "dev:web:full": "concurrently -n \"api,build\" -c \"cyan,magenta\" \"bun run --cwd packages/web dev:server:watch\" \"bun run --cwd packages/web build:watch\"",
+    "dev:web:full": "node ./scripts/dev-web-full.mjs",
+    "dev:web:hmr": "node ./scripts/dev-web-hmr.mjs",
     "start:web": "bun run --cwd packages/web start",
     "pack:web": "bun pm pack --cwd packages/web",
     "desktop:start-cli": "node ./packages/desktop/scripts/opencode-cli.mjs start",