Separate app DB per Git worktree (#348)

scripts/git-hooks/post-checkout.mjs

@@ -86,6 +86,9 @@ try {
   // Continue with default ports
 }
 
+// Get worktree name from current directory
+const worktreeName = path.basename(process.cwd());
+
 // Create .env.local with unique ports
 const envContent = `# Auto-generated by git post-checkout hook
 # This file configures ports for this worktree to avoid conflicts
@@ -95,6 +98,9 @@ YAAK_DEV_PORT=${maxDevPort}
 
 # MCP Server port (main worktree uses 64343)
 YAAK_PLUGIN_MCP_SERVER_PORT=${maxMcpPort}
+
+# Database path prefix for worktree isolation
+YAAK_DB_PATH_PREFIX=worktrees/${worktreeName}
 `;
 
 fs.writeFileSync(envLocalPath, envContent, 'utf8');

src-tauri/yaak-models/src/lib.rs

@@ -51,8 +51,17 @@ pub fn init<R: Runtime>() -> TauriPlugin<R> {
             let app_path = app_handle.path().app_data_dir().unwrap();
             create_dir_all(app_path.clone()).expect("Problem creating App directory!");
 
-            let db_file_path = app_path.join("db.sqlite");
+            // Support per-worktree databases via YAAK_DB_PATH_PREFIX env var
-            let blob_db_file_path = app_path.join("blobs.sqlite");
+            let db_dir = match std::env::var("YAAK_DB_PATH_PREFIX") {
+                Ok(prefix) if !prefix.is_empty() => {
+                    let dir = app_path.join(prefix);
+                    create_dir_all(&dir).expect("Problem creating DB directory!");
+                    dir
+                }
+                _ => app_path.clone(),
+            };
+            let db_file_path = db_dir.join("db.sqlite");
+            let blob_db_file_path = db_dir.join("blobs.sqlite");
 
             // Main database pool
             let manager = SqliteConnectionManager::file(db_file_path);