feat: upgrade to ghostty-web 0.4.0-ime-fix from rcarmo/ghostty-web

- Vendor patched version with native theme/palette support at WASM level
- Remove color remapping patches (no longer needed)
- Pre-load Ghostty WASM before terminal creation
- Bundle size reduced from 1.16 MB to 0.67 MB
- Includes IME input fixes

Bump version to 0.7.0

package-lock.json

@@ -0,0 +1,33 @@
+{
+  "name": "textual-webterm-frontend",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "textual-webterm-frontend",
+      "dependencies": {
+        "ghostty-web": "github:rcarmo/ghostty-web"
+      },
+      "devDependencies": {
+        "typescript": "^5.7.0"
+      }
+    },
+    "node_modules/ghostty-web": {
+      "version": "0.4.0-ime-fix",
+      "resolved": "git+ssh://git@github.com/rcarmo/ghostty-web.git#50fc9127151f7d9d20d5c7bfaea8a6dba8b15bf5",
+      "license": "MIT"
+    },
+    "node_modules/typescript": {
+      "version": "5.9.3",
+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    }
+  }
+}