Release v2.4.0 — Erzwungene Einstellungen: about:config-Prefs bei jedem Start setzen

Neuer forcedPrefs-WebExtension-Experiment (Services.prefs) setzt beim Start
globale Prefs (Startseite aus, Kartenansicht, nicht gruppiert, absteigend,
3-Spalten-Layout, nicht auto-gelesen) sowie pro Identität die Signatur-/
Antwort-Einstellungen. Pro Setting im Options-Dialog (⚙-Tab) abschaltbar.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015PZHd9vRsBiH8cKYdQo1Yv

experiments/prefs/api.js

@@ -0,0 +1,61 @@
+"use strict";
+
+// Privilegierter Parent-Scope: schreibt/liest about:config-Prefs über Services.prefs.
+// Der Modulpfad von ExtensionCommon wechselte mitten im TB-Lebenszyklus:
+//   TB 115+   -> ExtensionCommon.sys.mjs (ESM)
+//   TB 109-114 -> ExtensionCommon.jsm (JSM)
+// Deshalb defensiv laden, damit dieselbe api.js über die Flotte funktioniert.
+var { ExtensionCommon } = (() => {
+  try {
+    return ChromeUtils.importESModule(
+      "resource://gre/modules/ExtensionCommon.sys.mjs"
+    );
+  } catch (e) {
+    return ChromeUtils.import("resource://gre/modules/ExtensionCommon.jsm");
+  }
+})();
+
+// `Services` ist im privilegierten ExtensionAPI-Sandbox in TB 109+ global
+// (stellt Services.prefs = nsIPrefBranch bereit); kein Import nötig.
+
+this.forcedPrefs = class extends ExtensionCommon.ExtensionAPI {
+  getAPI(context) {
+    return {
+      forcedPrefs: {
+        async setPref(name, type, value) {
+          switch (type) {
+            case "bool":
+              Services.prefs.setBoolPref(name, !!value);
+              break;
+            case "int":
+              Services.prefs.setIntPref(name, value | 0);
+              break;
+            case "string":
+              // setStringPref ist unicode-sicher (im Gegensatz zu setCharPref).
+              Services.prefs.setStringPref(name, String(value));
+              break;
+            default:
+              throw new Error("forcedPrefs.setPref: unknown type " + type);
+          }
+          return true;
+        },
+
+        async getPref(name, type) {
+          if (Services.prefs.getPrefType(name) === Services.prefs.PREF_INVALID) {
+            return null;
+          }
+          switch (type) {
+            case "bool":
+              return Services.prefs.getBoolPref(name, false);
+            case "int":
+              return Services.prefs.getIntPref(name, 0);
+            case "string":
+              return Services.prefs.getStringPref(name, "");
+            default:
+              throw new Error("forcedPrefs.getPref: unknown type " + type);
+          }
+        },
+      },
+    };
+  }
+};

experiments/prefs/schema.json

@@ -0,0 +1,29 @@
+[
+  {
+    "namespace": "forcedPrefs",
+    "description": "Read/write about:config preferences from a privileged parent context.",
+    "functions": [
+      {
+        "name": "setPref",
+        "type": "function",
+        "async": true,
+        "description": "Force an about:config pref to a fixed value. type is one of 'bool','int','string'.",
+        "parameters": [
+          { "name": "name", "type": "string" },
+          { "name": "type", "type": "string", "enum": ["bool", "int", "string"] },
+          { "name": "value", "type": "any" }
+        ]
+      },
+      {
+        "name": "getPref",
+        "type": "function",
+        "async": true,
+        "description": "Read an about:config pref; returns null if unset.",
+        "parameters": [
+          { "name": "name", "type": "string" },
+          { "name": "type", "type": "string", "enum": ["bool", "int", "string"] }
+        ]
+      }
+    ]
+  }
+]