feat: detect Kiro auth expiration + add kronn auth kiro command

.github/workflows/ci-test.yml

@@ -19,28 +19,21 @@ jobs:
         with:
           components: clippy
 
-      - name: Setup sccache
-        uses: mozilla-actions/sccache-action@v0.0.9
-
-      - name: Cache cargo registry
+      - name: Cache cargo artifacts
         uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
             ~/.cargo/git
+            backend/target
           key: cargo-${{ runner.os }}-${{ hashFiles('backend/Cargo.lock') }}
           restore-keys: cargo-${{ runner.os }}-
 
       - name: cargo clippy
         run: cargo clippy --all-targets -- -D warnings
-        # No sccache for clippy — cached artifacts can replay stale lint warnings
-        # even when the source has changed (sccache hashes deps/flags, not source content)
 
       - name: cargo test
         run: cargo test
-        env:
-          SCCACHE_GHA_ENABLED: "true"
-          RUSTC_WRAPPER: "sccache"
 
   test-frontend:
     if: github.event.label.name == 'ci-test'
@@ -90,9 +83,6 @@ jobs:
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
 
-      - name: Setup sccache
-        uses: mozilla-actions/sccache-action@v0.0.9
-
       - name: Cache cargo-audit binary
         id: cache-audit
         uses: actions/cache@v4
@@ -103,16 +93,10 @@ jobs:
       - name: Install cargo-audit
         if: steps.cache-audit.outputs.cache-hit != 'true'
         run: cargo install cargo-audit --locked
-        env:
-          SCCACHE_GHA_ENABLED: "true"
-          RUSTC_WRAPPER: "sccache"
 
       - name: Run cargo audit
         working-directory: backend
         run: cargo audit
-        env:
-          SCCACHE_GHA_ENABLED: "true"
-          RUSTC_WRAPPER: "sccache"
 
       - name: Setup Node.js
         uses: actions/setup-node@v4

.gitignore

@@ -16,6 +16,7 @@ frontend/node_modules/
 frontend/node_modules_old/
 frontend/dist/
 frontend/.pnpm-store/
+frontend/package-lock.json
 
 # Config (generated at first run)
 kronn.toml
@@ -48,3 +49,5 @@ docker-compose.override.yml
 .kiro/settings/
 .env
 /node_modules/
+.kronn-tmp/
+.kronn/tmp/

backend/src/agents/mod.rs

@@ -442,6 +442,7 @@ mod tests {
 
     #[test]
     #[serial]
+    #[cfg(not(target_os = "macos"))]
     fn host_is_not_macos_when_unset() {
         std::env::remove_var("KRONN_HOST_OS");
         assert!(!host_is_macos(), "Should not be macOS when env is unset on Linux");