fix(mobile): deeplinks (#2870)

* feat: android deeplinks

* feat: explicit app link declarations

* feat: add ios code

* fix: add ios deeplink adaptation

* feat: ios working

(some swift plugin api improvements needed)

* fix: revert ios to prior logic

* fix(cleanup): regen android files with old names

* fix: web link criteria

* fix: conditional auto verify intent filter for android app links

* fix: default to true

* fix: typo

* fix: pnpm version

* cleanup

* fix: web link regression

* trim androidmanifest update

* fix deep link validation broken due to appLink=true default

* implement update_info_plist

from https://github.com/tauri-apps/tauri/pull/13888

* fix: remove old patch crates

* fix: use latest patch tauri

* lint

---------

Co-authored-by: Lucas Nogueira <lucas@tauri.app>

plugins/deep-link/src/config.rs

@@ -11,10 +11,8 @@ use tauri_utils::config::DeepLinkProtocol;
 pub struct AssociatedDomain {
     #[serde(default = "default_schemes")]
     pub scheme: Vec<String>,
-
-    #[serde(deserialize_with = "deserialize_associated_host")]
-    pub host: String,
-
+    #[serde(default, deserialize_with = "deserialize_associated_host")]
+    pub host: Option<String>, // Optional custom uri schemes dont NEED a host (may have one still), but required for https/http schemes
     #[serde(default)]
     pub path: Vec<String>,
     #[serde(default, alias = "path-pattern", rename = "pathPattern")]
@@ -23,6 +21,41 @@ pub struct AssociatedDomain {
     pub path_prefix: Vec<String>,
     #[serde(default, alias = "path-suffix", rename = "pathSuffix")]
     pub path_suffix: Vec<String>,
+    #[serde(default, alias = "app-link", rename = "appLink")]
+    pub app_link: Option<bool>,
+}
+
+impl AssociatedDomain {
+    /// Returns true if the domain uses http or https scheme.
+    pub fn is_web_link(&self) -> bool {
+        self.scheme.iter().any(|s| s == "https" || s == "http")
+    }
+
+    /// Returns true if the domain uses http or https scheme and has proper host configuration.
+    pub fn is_app_link(&self) -> bool {
+        self.app_link
+            .unwrap_or_else(|| self.is_web_link() && self.host.is_some())
+    }
+
+    pub fn validate(&self) -> Result<(), String> {
+        // Rule 1: All web links require a host.
+        if self.is_web_link() && self.host.is_none() {
+            return Err("Web link requires a host".into());
+        }
+
+        // Rule 2: If it's an App Link, ensure http(s) and host.
+        if self.is_app_link() {
+            if !self.is_web_link() {
+                return Err("AppLink must be a valid web link (https/http + host)".into());
+            }
+            if self.scheme.iter().any(|s| s == "http") && !self.scheme.iter().any(|s| s == "https")
+            {
+                eprintln!("Warning: AppLink uses only 'http' — allowed on Android but not secure for production.");
+            }
+        }
+
+        Ok(())
+    }
 }
 
 // TODO: Consider removing this in v3
@@ -30,18 +63,19 @@ fn default_schemes() -> Vec<String> {
     vec!["https".to_string(), "http".to_string()]
 }
 
-fn deserialize_associated_host<'de, D>(deserializer: D) -> Result<String, D::Error>
+fn deserialize_associated_host<'de, D>(deserializer: D) -> Result<Option<String>, D::Error>
 where
     D: Deserializer<'de>,
 {
-    let host = String::deserialize(deserializer)?;
-    if let Some((scheme, _host)) = host.split_once("://") {
-        Err(serde::de::Error::custom(format!(
-            "host `{host}` cannot start with a scheme, please remove the `{scheme}://` prefix"
-        )))
-    } else {
-        Ok(host)
+    let opt = Option::<String>::deserialize(deserializer)?;
+    if let Some(ref host) = opt {
+        if let Some((scheme, _)) = host.split_once("://") {
+            return Err(serde::de::Error::custom(format!(
+                "host `{host}` cannot start with a scheme, please remove the `{scheme}://` prefix"
+            )));
+        }
     }
+    Ok(opt)
 }
 
 #[derive(Deserialize, Clone)]