fix: patch capacitor.settings.gradle to use ../cinny/node_modules for Linux CI

scripts/apply-overlay.mjs

@@ -9,6 +9,9 @@
  *  5. Copies capacitor.config.json (root) into cinny/capacitor.config.json with webDir reset to "dist"
  *  6. Creates a cinny/android symlink/junction -> root android/ so Capacitor can find it
  *  7. Writes android/local.properties from ANDROID_HOME env var (so it works on any machine)
+ *  8. Patches android/capacitor.settings.gradle to use ../cinny/node_modules instead of
+ *     ../node_modules, so Gradle resolves the correct path on both Windows (junction) and
+ *     Linux (symlink, where Java resolves CWD to the real ROOT/android/ path)
  *
  * Run before every Android build to keep the cinny submodule clean while layering
  * the Capacitor / Android platform changes on top of it.
@@ -133,4 +136,22 @@ if (androidHome) {
   console.warn('[apply-overlay] Warning: ANDROID_HOME not set, skipping local.properties update');
 }
 
+// 8. Patch android/capacitor.settings.gradle to use ../cinny/node_modules
+// On Linux, Java resolves the symlink for CWD so Gradle sees ROOT/android/ as its project
+// directory, making ../node_modules point to ROOT/node_modules (wrong). On Windows, the
+// junction keeps the logical path cinny/android so ../node_modules resolves correctly to
+// cinny/node_modules. Patching to ../cinny/node_modules works on both:
+//   Linux:   ROOT/android/../cinny/node_modules   = ROOT/cinny/node_modules ✓
+//   Windows: cinny/android/../cinny/node_modules  = cinny/node_modules ✓
+console.log('[apply-overlay] Patching android/capacitor.settings.gradle...');
+const capSettingsPath = join(androidTarget, 'capacitor.settings.gradle');
+const original = readFileSync(capSettingsPath, 'utf8');
+const patched = original.replaceAll('../node_modules/', '../cinny/node_modules/');
+if (patched !== original) {
+  writeFileSync(capSettingsPath, patched, 'utf8');
+  console.log('  patched ../node_modules/ -> ../cinny/node_modules/');
+} else {
+  console.log('  already patched or no replacements needed');
+}
+
 console.log('[apply-overlay] Done.');

scripts/restore-cinny.mjs

@@ -22,6 +22,15 @@ const STASH_FLAG = join(ROOT, '.cinny-stash-pending');
 console.log('[restore-cinny] Reverting tracked changes...');
 execSync('git checkout -- .', { cwd: CINNY, stdio: 'inherit' });
 
+// Restore android/capacitor.settings.gradle patched by apply-overlay
+console.log('[restore-cinny] Restoring android/capacitor.settings.gradle...');
+try {
+  execSync('git checkout -- android/capacitor.settings.gradle', { cwd: ROOT, stdio: 'inherit' });
+  console.log('[restore-cinny] Restored android/capacitor.settings.gradle');
+} catch {
+  console.warn('[restore-cinny] Could not restore capacitor.settings.gradle (may not be modified)');
+}
+
 // 2. Remove untracked capacitor.config.json written by the overlay
 const capConfig = join(CINNY, 'capacitor.config.json');
 if (existsSync(capConfig)) {