Fix issue 19: extension filter and isolated nodes

.github/workflows/build.yml

@@ -9,8 +9,9 @@ on:
   workflow_dispatch:
 
 permissions:
-  actions: read
+  actions: write
   contents: read
+  packages: write
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -56,7 +57,7 @@ jobs:
           - platform: ubuntu-24.04-arm
             target: aarch64-unknown-linux-gnu
             bundles: "appimage deb"
-          - platform: windows-latest
+          - platform: windows-2022
             target: x86_64-pc-windows-msvc
             bundles: "msi nsis"
 
@@ -106,8 +107,14 @@ jobs:
       - name: Install dependencies (Linux)
         if: matrix.platform == 'ubuntu-latest' || matrix.platform == 'ubuntu-24.04-arm'
         run: |
+          # LLVM repo for libomp matching icebug prebuilt binaries (compiled with clang-20)
+          wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key | sudo tee /etc/apt/trusted.gpg.d/llvm-snapshot.asc
+          echo "deb http://apt.llvm.org/noble llvm-toolchain-noble-20 main" | sudo tee /etc/apt/sources.list.d/llvm20.list
+          # Apache Arrow repo
+          wget https://apache.jfrog.io/artifactory/arrow/ubuntu/apache-arrow-apt-source-latest-noble.deb
+          sudo apt-get install -y ./apache-arrow-apt-source-latest-noble.deb
           sudo apt-get update
-          sudo apt-get install -y libgtk-3-dev libgirepository1.0-dev libwebkit2gtk-4.1-dev libappindicator3-dev patchelf librsvg2-dev libfuse2
+          sudo apt-get install -y libgtk-3-dev libgirepository1.0-dev libwebkit2gtk-4.1-dev libappindicator3-dev patchelf librsvg2-dev libfuse2 libarrow-dev libomp-20-dev
 
       - name: Install frontend dependencies
         run: npm ci
@@ -181,8 +188,8 @@ jobs:
         env:
           # Needed for linuxdeploy AppImage bundling on CI runners
           APPIMAGE_EXTRACT_AND_RUN: "1"
-          # Ensure linuxdeploy can resolve and bundle liblbug.so
-          LD_LIBRARY_PATH: ${{ github.workspace }}/src-tauri/liblbug
+          # Ensure linuxdeploy can resolve and bundle liblbug.so and libnetworkit.so
+          LD_LIBRARY_PATH: ${{ github.workspace }}/src-tauri/liblbug:${{ github.workspace }}/src-tauri/icebug/lib
           NO_STRIP: "true"  # https://github.com/tauri-apps/tauri/issues/14796
 
       - name: Build Tauri app (macOS)
@@ -191,9 +198,52 @@ jobs:
         env:
           CXXFLAGS: -I/opt/homebrew/opt/libomp/include
 
+      - name: Create vcpkg manifest (Windows)
+        if: matrix.platform == 'windows-2022'
+        shell: bash
+        run: |
+          cat > vcpkg.json << 'EOF'
+          {
+            "name": "bugscope-deps",
+            "version": "1.0.0",
+            "dependencies": [
+              "arrow",
+              "pkgconf"
+            ]
+          }
+          EOF
+
+      - name: Setup vcpkg (Windows)
+        if: matrix.platform == 'windows-2022'
+        uses: lukka/run-vcpkg@v11
+        with:
+          vcpkgGitCommitId: 'b322364f06308bdd24823f9d8f03fe0cc86fd46f'
+
+      - name: Authenticate vcpkg NuGet (Windows)
+        if: matrix.platform == 'windows-2022'
+        shell: pwsh
+        run: |
+          $nuget = & $env:VCPKG_ROOT/vcpkg fetch nuget | Out-String
+          $nuget = $nuget.Trim()
+          & $nuget sources add -Source "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json" -Name "GitHubPackages" -Username "${{ github.repository_owner }}" -Password "${{ secrets.GITHUB_TOKEN }}" -StorePasswordInClearText -Verbosity detailed
+          & $nuget setapikey "${{ secrets.GITHUB_TOKEN }}" -Source "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json"
+
+      - name: Install vcpkg packages (Windows)
+        if: matrix.platform == 'windows-2022'
+        shell: pwsh
+        run: |
+          & $env:VCPKG_ROOT/vcpkg install --recurse --clean-after-build --triplet x64-windows
+        env:
+          VCPKG_BINARY_SOURCES: 'clear;nuget,https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json,readwrite'
+
       - name: Build Tauri app (Windows)
-        if: matrix.platform == 'windows-latest'
-        run: pnpm tauri build --target ${{ matrix.target }} --bundles ${{ matrix.bundles }} --verbose
+        if: matrix.platform == 'windows-2022'
+        shell: pwsh
+        run: |
+          $env:PKG_CONFIG_PATH = "$env:GITHUB_WORKSPACE\vcpkg_installed\x64-windows\lib\pkgconfig"
+          $env:PATH = "$env:GITHUB_WORKSPACE\vcpkg_installed\x64-windows\tools\pkgconf;$env:GITHUB_WORKSPACE\src-tauri\icebug\lib;$env:PATH"
+          $env:CXXFLAGS = "/std:c++20"
+          pnpm tauri build --target ${{ matrix.target }} --bundles ${{ matrix.bundles }} --verbose
 
       - name: Upload artifacts
         uses: actions/upload-artifact@v4

src-tauri/Cargo.toml

@@ -11,7 +11,7 @@ crate-type = ["staticlib", "cdylib", "rlib"]
 tauri-build = { version = "2", features = [] }
 
 [features]
-default = []
+default = ["icebug-analytics"]
 icebug-analytics = ["dep:icebug"]
 
 [dependencies]
@@ -25,5 +25,5 @@ walkdir = "2"
 dirs = "5"
 fastrand = "2"
 reqwest = { version = "0.13.3", features = ["blocking", "json"] }
-icebug = { version = "12.9.0", optional = true }
+icebug = { version = "13.0.0", optional = true }
 lbug = { version = "0.18.1", features = ["arrow"] }

src-tauri/src/lib.rs

@@ -214,31 +214,48 @@ fn scan_for_databases(dir: &Path, base_dir: &Path) -> Vec<DatabaseInfo> {
     for entry in WalkDir::new(dir).into_iter().filter_map(|e| e.ok()) {
         let path = entry.path();
         if path.is_file() {
-            if let Some(ext) = path.extension() {
-                if ext == "lbdb" {
-                    let name = path
-                        .file_stem()
-                        .unwrap_or_default()
-                        .to_string_lossy()
-                        .to_string();
-                    let relative_path = path
-                        .strip_prefix(base_dir)
-                        .unwrap_or(path)
-                        .to_string_lossy()
-                        .to_string();
-                    databases.push(DatabaseInfo {
-                        id: 0, // assigned later
-                        name,
-                        path: path.to_string_lossy().to_string(),
-                        relative_path,
-                    });
-                }
+            let abs_path = path.to_string_lossy().to_string();
+            // Let Database::new() validate by magic bytes — no extension whitelist.
+            // A quick probe to skip obviously non-DB files without a full open.
+            if !is_lbug_file_fast(&abs_path) {
+                continue;
             }
+            let name = path
+                .file_stem()
+                .unwrap_or_default()
+                .to_string_lossy()
+                .to_string();
+            let relative_path = path
+                .strip_prefix(base_dir)
+                .unwrap_or(path)
+                .to_string_lossy()
+                .to_string();
+            databases.push(DatabaseInfo {
+                id: 0, // assigned later
+                name,
+                path: abs_path,
+                relative_path,
+            });
         }
     }
     databases
 }
 
+/// Quick check that a file starts with Lbug's magic bytes, without a full database open.
+/// The Lbug magic is the 4-byte sequence `b"LBUG"` at offset 0.
+fn is_lbug_file_fast(path: &str) -> bool {
+    use std::io::Read;
+    let mut file = match std::fs::File::open(path) {
+        Ok(f) => f,
+        Err(_) => return false,
+    };
+    let mut magic = [0u8; 4];
+    if file.read_exact(&mut magic).is_err() {
+        return false;
+    }
+    &magic == b"LBUG"
+}
+
 fn get_all_databases(state: &AppState) -> Vec<DatabaseInfo> {
     let scanned = scan_for_databases(&state.data_dir, &state.data_dir);
     let custom = state.custom_databases.lock().unwrap();
@@ -264,9 +281,7 @@ fn database_info_from_path(file_path: &str) -> Result<DatabaseInfo, String> {
         return Err("File not found".to_string());
     }
 
-    if abs_path.extension().and_then(|e| e.to_str()) != Some("lbdb") {
-        return Err("Only .lbdb files are supported".to_string());
-    }
+    // Extension check removed: Database::new() validates by magic bytes and returns a clear error
 
     let abs_path_str = abs_path.to_string_lossy().to_string();
     let name = abs_path
@@ -1318,6 +1333,20 @@ fn collect_edge_graph(conn: &Connection, limit: usize) -> Result<GraphData, Stri
         );
     }
 
+    // Also fetch isolated (edgeless) nodes and merge them in, so a database with
+    // nodes but few or no relationships doesn't render as an empty graph.
+    let mut isolated_result = conn
+        .query(&format!("MATCH (n) WHERE NOT (n)--() RETURN n LIMIT {limit}"))
+        .map_err(|e| format!("Isolated node query failed: {}", e))?;
+
+    for row in &mut isolated_result {
+        for val in row.iter() {
+            if let Some(node) = graph_node_from_value(val) {
+                nodes.insert(node.id.clone(), node);
+            }
+        }
+    }
+
     Ok(graph_data_without_clusters(
         nodes.into_values().collect(),
         links,
@@ -1769,9 +1798,15 @@ fn get_directories(
                 path: entry_path.to_string_lossy().to_string(),
                 entry_type: "directory".to_string(),
             });
-        } else if name.ends_with(".lbdb") {
+        } else if is_lbug_file_fast(&entry_path.to_string_lossy()) {
+            // Strip any extension for display so .lbug, .lbdb, .ldb etc.
+            // all show a clean name.
+            let trimmed = match entry_path.file_stem() {
+                Some(stem) => stem.to_string_lossy().to_string(),
+                None => name.clone(),
+            };
             files.push(DirEntry {
-                name: name.trim_end_matches(".lbdb").to_string(),
+                name: trimmed,
                 path: entry_path.to_string_lossy().to_string(),
                 entry_type: "file".to_string(),
             });