test(server): gate PostgreSQL tests behind postgres-tests feature

Move testcontainers to optional dependency and create feature flag for database integration tests. Tests without the feature use a dummy pool and skip database operations.

.github/workflows/audit.yaml

@@ -1,27 +0,0 @@
-name: Audit
-
-on: ["push", "pull_request"]
-
-env:
-  CARGO_TERM_COLOR: always
-  RUST_TOOLCHAIN: 1.88.0
-
-jobs:
-  audit:
-    name: Audit
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@master
-        with:
-          toolchain: ${{ env.RUST_TOOLCHAIN }}
-
-      - name: Install cargo-audit
-        run: cargo install cargo-audit
-
-      - name: Run security audit
-        run: cargo audit

.github/workflows/build.yaml

@@ -1,5 +1,4 @@
 name: Builds
-
 on: ["push", "pull_request"]
 
 permissions:

.github/workflows/coverage.yaml

@@ -1,4 +1,4 @@
-name: Coverage
+name: Code Coverage
 
 on: ["push", "pull_request"]
 
@@ -8,7 +8,6 @@ env:
 
 jobs:
   coverage:
-    name: Code Coverage
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code

.github/workflows/tests.yaml

@@ -1,4 +1,4 @@
-name: Tests
+name: Tests & Checks
 
 on: ["push", "pull_request"]
 
@@ -8,7 +8,6 @@ env:
 
 jobs:
   test:
-    name: Test
     runs-on: ubuntu-latest
 
     steps:
@@ -52,3 +51,8 @@ jobs:
 
       - name: Check formatting
         run: cargo fmt -- --check
+
+      - uses: taiki-e/install-action@cargo-audit
+
+      - name: Run security audit
+        run: cargo audit

src/map/render.rs

@@ -87,7 +87,7 @@ impl MapRenderer {
 
             // Draw node ID text (small, offset to top right)
             text_renderer.set_scale(0.5); // Small text
-            let id_text = format!("#{}", nearest_id);
+            let id_text = format!("#{nearest_id}");
             let text_pos = glam::UVec2::new(
                 (nearest_pos.x + 4.0) as u32, // Offset to the right
                 (nearest_pos.y - 6.0) as u32, // Offset to the top