Update to SDK v1.9.10 with centralized method names

- Updated @haexhub/sdk dependency from 1.9.7 to 1.9.10
- Imported HAEXTENSION_METHODS and HAEXTENSION_EVENTS from SDK
- Updated all handler files to use new nested method constants
- Updated extensionMessageHandler to route using constants
- Changed application.open routing in web handler
- All method names now use haextension:subject:action schema

src-tauri/generator/event_names.rs

@@ -0,0 +1,76 @@
+// src-tauri/generator/event_names.rs
+use serde::Deserialize;
+use std::collections::HashMap;
+use std::env;
+use std::fs::File;
+use std::io::{BufReader, Write};
+use std::path::Path;
+
+#[derive(Debug, Deserialize)]
+struct EventNames {
+    extension: HashMap<String, String>,
+}
+
+pub fn generate_event_names() {
+    let out_dir = env::var("OUT_DIR").expect("OUT_DIR ist nicht gesetzt.");
+    println!("Generiere Event-Namen nach {out_dir}");
+    let events_path = Path::new("../src/constants/eventNames.json");
+    let dest_path = Path::new(&out_dir).join("eventNames.rs");
+
+    let file = File::open(events_path).expect("Konnte eventNames.json nicht öffnen");
+    let reader = BufReader::new(file);
+    let events: EventNames =
+        serde_json::from_reader(reader).expect("Konnte eventNames.json nicht parsen");
+
+    let mut code = String::from(
+        r#"
+// ==================================================================
+// HINWEIS: Diese Datei wurde automatisch von build.rs generiert.
+// Manuelle Änderungen werden bei der nächsten Kompilierung überschrieben!
+// ==================================================================
+
+"#,
+    );
+
+    // Extension Events
+    code.push_str("// --- Extension Events ---\n");
+    for (key, value) in &events.extension {
+        let const_name = format!("EVENT_EXTENSION_{}", to_screaming_snake_case(key));
+        code.push_str(&format!(
+            "pub const {}: &str = \"{}\";\n",
+            const_name, value
+        ));
+    }
+    code.push('\n');
+
+    // --- Datei schreiben ---
+    let mut f = File::create(&dest_path).expect("Konnte Zieldatei nicht erstellen");
+    f.write_all(code.as_bytes())
+        .expect("Konnte nicht in Zieldatei schreiben");
+
+    println!("cargo:rerun-if-changed=../src/constants/eventNames.json");
+}
+
+/// Konvertiert einen String zu SCREAMING_SNAKE_CASE
+fn to_screaming_snake_case(s: &str) -> String {
+    let mut result = String::new();
+    let mut prev_is_lower = false;
+
+    for (i, ch) in s.chars().enumerate() {
+        if ch == '_' {
+            result.push('_');
+            prev_is_lower = false;
+        } else if ch.is_uppercase() {
+            if i > 0 && prev_is_lower {
+                result.push('_');
+            }
+            result.push(ch);
+            prev_is_lower = false;
+        } else {
+            result.push(ch.to_ascii_uppercase());
+            prev_is_lower = true;
+        }
+    }
+
+    result
+}