diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 94ab1ac..4b539f8 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -2,9 +2,10 @@
 # Triggers on push and pull_request
 # Stages: lint -> test -> build (Android + iOS) -> artifacts
 #
-# Runner mapping:
-# - ubuntu-latest → act runner in Linux Docker container (needs Linux SDKs)
-# - [self-hosted, macos] → native macOS ARM64 host (needs macOS SDKs)
+# CRITICAL: Gitea's `act` runner on Magrathea (macOS ARM64) runs `ubuntu-latest`
+# jobs inside x86_64 Docker containers where neither Linux x86_64 nor macOS SDKs
+# can execute. ALL jobs MUST use [self-hosted, macos] to run natively on the
+# Mac host with macOS ARM64 binaries.
 
 name: CI
 
@@ -23,17 +24,17 @@ jobs:
   # ── Stage 1: Lint & static analysis ──────────────────────────────
   lint:
     name: Lint
-    runs-on: ubuntu-latest
+    runs-on: [self-hosted, macos]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
       - name: Setup Flutter
         run: |
-          # Direct Flutter SDK download — Linux container (act runner)
-          curl -fsSL "https://storage.googleapis.com/flutter_infra_release/releases/stable/linux/flutter_linux_3.44.8-stable.tar.xz" \
-            -o flutter.tar.xz
-          tar -xf flutter.tar.xz
+          # Direct Flutter SDK download — macOS ARM64 native
+          curl -fsSL "https://storage.googleapis.com/flutter_infra_release/releases/stable/macos/flutter_macos_3.44.8-stable.zip" \
+            -o flutter.zip
+          unzip -q flutter.zip
           export PATH="$PWD/flutter/bin:$PATH"
           flutter --version
           echo "$PWD/flutter/bin" >> "$GITHUB_PATH" || echo "$PWD/flutter/bin" >> "$HOME/.env_path"
@@ -55,7 +56,7 @@ jobs:
   # ── Stage 2: Unit & widget tests ─────────────────────────────────
   test:
     name: Test
-    runs-on: ubuntu-latest
+    runs-on: [self-hosted, macos]
     needs: [lint]
     steps:
       - name: Checkout
@@ -63,10 +64,9 @@ jobs:
 
       - name: Setup Flutter
         run: |
-          # Direct Flutter SDK download — Linux container (act runner)
-          curl -fsSL "https://storage.googleapis.com/flutter_infra_release/releases/stable/linux/flutter_linux_3.44.8-stable.tar.xz" \
-            -o flutter.tar.xz
-          tar -xf flutter.tar.xz
+          curl -fsSL "https://storage.googleapis.com/flutter_infra_release/releases/stable/macos/flutter_macos_3.44.8-stable.zip" \
+            -o flutter.zip
+          unzip -q flutter.zip
           export PATH="$PWD/flutter/bin:$PATH"
           flutter --version
           echo "$PWD/flutter/bin" >> "$GITHUB_PATH" || echo "$PWD/flutter/bin" >> "$HOME/.env_path"
@@ -84,7 +84,7 @@ jobs:
   # ── Stage 3: Android build ──────────────────────────────────────
   build-android:
     name: Build Android
-    runs-on: ubuntu-latest
+    runs-on: [self-hosted, macos]
     needs: [test]
     steps:
       - name: Checkout
@@ -92,8 +92,8 @@ jobs:
 
       - name: Setup Java 17
         run: |
-          # Direct Temurin JDK download — Linux container
-          curl -fsSL "https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.12%2B7/OpenJDK17U-jdk_x64_linux_hotspot_17.0.12_7.tar.gz" \
+          # Direct Temurin JDK download — macOS ARM64
+          curl -fsSL "https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.12%2B7/OpenJDK17U-jdk_aarch64_mac_hotspot_17.0.12_7.tar.gz" \
             -o jdk.tar.gz
           mkdir -p "$HOME/jdk"
           tar -xzf jdk.tar.gz -C "$HOME/jdk" --strip-components=1
@@ -105,10 +105,9 @@ jobs:
 
       - name: Setup Flutter
         run: |
-          # Direct Flutter SDK download — Linux container
-          curl -fsSL "https://storage.googleapis.com/flutter_infra_release/releases/stable/linux/flutter_linux_3.44.8-stable.tar.xz" \
-            -o flutter.tar.xz
-          tar -xf flutter.tar.xz
+          curl -fsSL "https://storage.googleapis.com/flutter_infra_release/releases/stable/macos/flutter_macos_3.44.8-stable.zip" \
+            -o flutter.zip
+          unzip -q flutter.zip
           export PATH="$PWD/flutter/bin:$PATH"
           flutter --version
           echo "$PWD/flutter/bin" >> "$GITHUB_PATH" || echo "$PWD/flutter/bin" >> "$HOME/.env_path"
@@ -117,7 +116,7 @@ jobs:
         run: |
           export ANDROID_HOME="${HOME}/android-sdk"
           mkdir -p "${ANDROID_HOME}/cmdline-tools"
-          curl -fsSL "https://dl.google.com/android/repository/commandlinetools-linux-11076708_latest.zip" -o cmdline-tools.zip
+          curl -fsSL "https://dl.google.com/android/repository/commandlinetools-mac-11076708_latest.zip" -o cmdline-tools.zip
           unzip -q cmdline-tools.zip -d "${ANDROID_HOME}/cmdline-tools"
           mv "${ANDROID_HOME}/cmdline-tools/cmdline-tools" "${ANDROID_HOME}/cmdline-tools/latest"
           export PATH="${ANDROID_HOME}/cmdline-tools/latest/bin:${PATH}"
@@ -175,7 +174,6 @@ jobs:
 
 
   # ── Stage 3 (parallel): iOS build ───────────────────────────────
-  # Runs natively on macOS ARM64 host (not in Docker)
   build-ios:
     name: Build iOS
     runs-on: [self-hosted, macos]
@@ -186,7 +184,6 @@ jobs:
 
       - name: Setup Flutter
         run: |
-          # Direct Flutter SDK download — macOS ARM64 host (native)
           curl -fsSL "https://storage.googleapis.com/flutter_infra_release/releases/stable/macos/flutter_macos_3.44.8-stable.zip" \
             -o flutter.zip
           unzip -q flutter.zip