fix: tui local shell consent UX (#1463)

- add local shell runner + denial notice + tests
- docs: describe ! local shell usage
- lint: drop unused Slack upload contentType
- cleanup: remove stray Swabble pins

Thanks @vignesh07.
Co-authored-by: Vignesh Natarajan <vigneshnatarajan92@gmail.com>

Swabble/Package.resolved

@@ -1,5 +1,5 @@
 {
-  "originHash" : "10946d10a137b295c88bae6eb5b1d11f637a00bde46464b19cbf059f77d05e6f",
+  "originHash" : "c0677e232394b5f6b0191b6dbb5bae553d55264f65ae725cd03a8ffdfda9cdd3",
   "pins" : [
     {
       "identity" : "commander",
@@ -10,24 +10,6 @@
         "version" : "0.2.1"
       }
     },
-    {
-      "identity" : "elevenlabskit",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/steipete/ElevenLabsKit",
-      "state" : {
-        "revision" : "7e3c948d8340abe3977014f3de020edf221e9269",
-        "version" : "0.1.0"
-      }
-    },
-    {
-      "identity" : "swift-concurrency-extras",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/pointfreeco/swift-concurrency-extras",
-      "state" : {
-        "revision" : "5a3825302b1a0d744183200915a47b508c828e6f",
-        "version" : "1.3.2"
-      }
-    },
     {
       "identity" : "swift-syntax",
       "kind" : "remoteSourceControl",
@@ -45,24 +27,6 @@
         "revision" : "399f76dcd91e4c688ca2301fa24a8cc6d9927211",
         "version" : "0.99.0"
       }
-    },
-    {
-      "identity" : "swiftui-math",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/gonzalezreal/swiftui-math",
-      "state" : {
-        "revision" : "0b5c2cfaaec8d6193db206f675048eeb5ce95f71",
-        "version" : "0.1.0"
-      }
-    },
-    {
-      "identity" : "textual",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/gonzalezreal/textual",
-      "state" : {
-        "revision" : "a03c1e103d88de4ea0dd8320ea1611ec0d4b29b3",
-        "version" : "0.2.0"
-      }
     }
   ],
   "version" : 3