diff --git a/.github/workflows/codeql-default.yml b/.github/workflows/codeql-default.yml
index fac4dc9..3e72fbf 100644
--- a/.github/workflows/codeql-default.yml
+++ b/.github/workflows/codeql-default.yml
@@ -39,7 +39,7 @@ jobs:
         uses: subosito/flutter-action@v2
         with:
           channel: 'stable'
-          flutter-version: '3.44.4'
+          flutter-version: '3.47.0'
           cache: true
 
       - name: Cache Gradle dependencies
diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index 0047754..efd4d0a 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -37,7 +37,7 @@ jobs:
         uses: subosito/flutter-action@v2
         with:
           channel: 'stable'
-          flutter-version: '3.44.4'
+          flutter-version: '3.47.0'
           cache: true
       - name: Install Flutter dependencies
         run: flutter pub get
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0774c0e..cf31001 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -27,7 +27,7 @@ jobs:
         uses: subosito/flutter-action@v2
         with:
           channel: 'stable'
-          flutter-version: '3.44.4'
+          flutter-version: '3.47.0'
           cache: true
 
       - name: Install dependencies
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 71e5788..7127007 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -47,7 +47,7 @@ jobs:
         uses: subosito/flutter-action@v2
         with:
           channel: 'stable'
-          flutter-version: '3.44.4'
+          flutter-version: '3.47.0'
           cache: true
 
       - name: Cache Gradle dependencies
diff --git a/CLAUDE.md b/CLAUDE.md
index 74440b5..65e2e53 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -17,7 +17,7 @@ This file provides context for AI assistants working on this project.
 
 | Aspect | Value |
 |--------|-------|
-| Framework | Flutter 3.44.4 (pinned — see "Before Coding") |
+| Framework | Flutter 3.47.0 (pinned — see "Before Coding") |
 | Android SDK | minSdk 30 (Android 11), target 36 — do NOT lower minSdk, see Gotcha #9 |
 | Weather API | Open-Meteo (free, no key) |
 | Charting | Native SVG (SvgChartGenerator.kt + AndroidSVG) |
@@ -146,17 +146,18 @@ build. The project therefore has **zero Flutter plugins with native code**
 (`GeneratedPluginRegistrant` is empty): `home_widget` and `geolocator` were both removed in
 favour of native implementations (`WidgetStore`/`LocationProvider` over the method channel).
 
-**With no KGP plugin present, Flutter 3.44.4 builds clean** (unpinned from 3.41.7 to 3.44.0
-2026-05; bumped to the 3.44.1 then 3.44.4 patch 2026-06). Flutter 3.44.4 still *tries* to force-apply
-`kotlin-android` to `:app` and logs a
-benign warning — `Applying the Kotlin Android Plugin (KGP) was unsuccessful. KGP was not found
-on the classpath.` — but the apply is caught (`FlutterPluginUtils.kt:633`) and the build
-succeeds. That one warning line is expected; ignore it (Flutter plans to drop the force-apply,
-flutter/flutter#184837).
+**With no KGP plugin present, Flutter 3.47.0 builds clean** (unpinned from 3.41.7 to 3.44.0
+2026-05; 3.44.1 → 3.44.4 patches 2026-06; bumped to 3.47.0 2026-08). Flutter 3.47 supports
+built-in Kotlin first-class: the old force-apply of `kotlin-android` is now gated on
+`isBuiltInKotlinEnabled()` (AGP ≥ 9 + `android.builtInKotlin=true` skips it entirely,
+flutter/flutter#184837 closed), so the benign "KGP was not found on the classpath" warning
+that 3.44.x logged is gone. Note: 3.47's `flutter_localizations` pins `intl` via a caret
+(`^0.20.3`) instead of an exact version, and the app's `intl` constraint is `any` (SDK-pinned;
+dart.dev/go/sdk-version-pinning) so dependabot has nothing to bump.
 
-- **Before coding, check the toolchain & deps.** Confirm `flutter --version` is **3.44.4** (the
+- **Before coding, check the toolchain & deps.** Confirm `flutter --version` is **3.47.0** (the
   pinned version — don't unintentionally build on another); run `flutter pub outdated` to review
-  dependency updates and note any Flutter release past 3.44.4. Treat **any** Flutter or dependency
+  dependency updates and note any Flutter release past 3.47.0. Treat **any** Flutter or dependency
   bump as a *deliberate, verified* change — it can re-break the built-in-Kotlin setup (see history
   below) — not a casual upgrade.
 - **CRITICAL:** do **not** add any Flutter plugin that applies KGP (most native plugins do) — it
@@ -164,7 +165,7 @@ flutter/flutter#184837).
   channel, or a plugin version that supports built-in Kotlin. If a KGP plugin is unavoidable,
   you must switch to the legacy path: `android.builtInKotlin=false` + re-add `id("kotlin-android")`
   to `app/build.gradle.kts` (KGP is already declared `apply false` in `settings.gradle.kts`).
-- **CI:** `flutter-version: '3.44.4'` in `.github/workflows/`.
+- **CI:** `flutter-version: '3.47.0'` in `.github/workflows/`.
 - **Verify after any toolchain/plugin change:** `make analyze` + `make test` + a debug build.
   After switching the local Flutter SDK version, run `flutter clean` first (stale kernel caches
   from a different Dart version cause spurious `dot-shorthands` framework-compile errors).
diff --git a/analysis_options.yaml b/analysis_options.yaml
index 4649fa8..5bd7801 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -5,6 +5,14 @@ analyzer:
   errors:
     missing_return: error
     missing_required_param: error
+  exclude:
+    - build/**
+    - android/**
+    - ios/**
+    - web/**
+    - windows/**
+    - macos/**
+    - linux/**
   language:
     strict-casts: true
     strict-inference: true
diff --git a/android/gradle.properties b/android/gradle.properties
index af16bb8..7a47485 100644
--- a/android/gradle.properties
+++ b/android/gradle.properties
@@ -3,7 +3,8 @@ android.useAndroidX=true
 
 # AGP 9 built-in Kotlin: no module applies the Kotlin Gradle Plugin (kotlin-android),
 # so AGP compiles Kotlin directly. The project keeps zero KGP-using plugins (home_widget +
-# geolocator went native) so this works under Flutter 3.44.0. builtInKotlin defaults to true
+# geolocator went native). Flutter 3.47+ supports built-in Kotlin first-class (it skips the
+# old kotlin-android force-apply when AGP >= 9 has builtInKotlin on). builtInKotlin defaults to true
 # on AGP 9; set explicitly to document intent. Do NOT add a plugin that applies KGP — see CLAUDE.md.
 #
 # newDsl is kept false because the Flutter Gradle plugin path we use does not support the new
diff --git a/android/settings.gradle.kts b/android/settings.gradle.kts
index 97dbbf9..cc65fae 100644
--- a/android/settings.gradle.kts
+++ b/android/settings.gradle.kts
@@ -22,7 +22,7 @@ plugins {
     id("com.android.application") version "9.0.1" apply false
     // Declared (never applied) so Flutter's tooling can read a KGP version; Kotlin
     // compilation is handled by AGP built-in Kotlin, not this plugin.
-    id("org.jetbrains.kotlin.android") version "2.2.21" apply false
+    id("org.jetbrains.kotlin.android") version "2.4.0" apply false
 }
 
 include(":app")
diff --git a/pubspec.lock b/pubspec.lock
index 4f1b0b3..17a2a3c 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -92,10 +92,10 @@ packages:
     dependency: "direct main"
     description:
       name: intl
-      sha256: "3df61194eb431efc39c4ceba583b95633a403f46c9fd341e550ce0bfa50e9aa5"
+      sha256: "1ca20c894b1717686a2319b8548763d812bc0aabdac580420a44c5178c57a867"
       url: "https://pub.dev"
     source: hosted
-    version: "0.20.2"
+    version: "0.20.3"
   leak_tracker:
     dependency: transitive
     description:
@@ -132,10 +132,10 @@ packages:
     dependency: transitive
     description:
       name: matcher
-      sha256: dc0b7dc7651697ea4ff3e69ef44b0407ea32c487a39fff6a4004fa585e901861
+      sha256: "31bd099b47c10cd1aeb55146a2d46ce0277630ecef3f7dae54ad7873f36696cd"
       url: "https://pub.dev"
     source: hosted
-    version: "0.12.19"
+    version: "0.12.20"
   material_color_utilities:
     dependency: transitive
     description:
@@ -148,10 +148,10 @@ packages:
     dependency: transitive
     description:
       name: meta
-      sha256: "1741988757a65eb6b36abe716829688cf01910bbf91c34354ff7ec1c3de2b349"
+      sha256: "307249ce4ff29d58a18e97f6345f539382eb9c9c29ecda628900f31de0443dd9"
       url: "https://pub.dev"
     source: hosted
-    version: "1.18.0"
+    version: "1.19.0"
   mocktail:
     dependency: "direct dev"
     description:
@@ -217,10 +217,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: "949a932224383300f01be9221c39180316445ecb8e7547f70a41a35bf421fb9e"
+      sha256: "2a122cbe059f8b610d3a5415f42e255b6c17b1f21eee1d960f31080237fb4f11"
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.11"
+    version: "0.7.12"
   typed_data:
     dependency: transitive
     description:
@@ -233,10 +233,10 @@ packages:
     dependency: transitive
     description:
       name: vector_math
-      sha256: d530bd74fea330e6e364cda7a85019c434070188383e1cd8d9777ee586914c5b
+      sha256: f36f9f3be64c6198714492bb455c11056e33e2f85d9a0b676a48301e44fdcf47
       url: "https://pub.dev"
     source: hosted
-    version: "2.2.0"
+    version: "2.4.2"
   vm_service:
     dependency: transitive
     description:
@@ -254,5 +254,5 @@ packages:
     source: hosted
     version: "1.1.1"
 sdks:
-  dart: ">=3.10.4 <4.0.0"
+  dart: ">=3.11.0-0 <4.0.0"
   flutter: ">=3.18.0-18.0.pre.54"
diff --git a/pubspec.yaml b/pubspec.yaml
index 3c25294..1c73abc 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -41,8 +41,11 @@ dependencies:
   # org.bortnik.meteogram/svg method channel (LocationBridge / NativeSvgService.reverseGeocode).
   # This keeps the app free of any Kotlin-Gradle-Plugin plugin, required by AGP-9 built-in Kotlin.
 
-  # Internationalization
-  intl: ^0.20.2
+  # Internationalization — `any` because the Flutter SDK pins intl exactly via
+  # flutter_localizations (https://dart.dev/go/sdk-version-pinning); a concrete
+  # constraint here can never out-resolve the pin and only generates unsolvable
+  # dependabot bumps.
+  intl: any
 
 dev_dependencies:
   flutter_test: