fix(lsp): support server workspace configuration

server.ts

@@ -3,8 +3,42 @@
 //
 // Add new servers here. `match` is a list of file extensions (no dot) OR
 // language ids; either matches.
+import * as fs from "node:fs";
+import * as path from "node:path";
 import type { ServerConfig } from "./src/types.ts";
 
+// Resolve Python Path - Prefer the project's virtualenv when present so
+// Pyright sees the same interpreter/dependencies as project commands.
+function resolvePythonPath(rootDir: string): string | undefined {
+  const candidates = [
+    path.join(rootDir, ".venv", "bin", "python"),
+    path.join(rootDir, "venv", "bin", "python"),
+  ];
+  return candidates.find((candidate) => fs.existsSync(candidate));
+}
+
+// Pyright Settings - Minimal editor settings needed for diagnostics and import
+// resolution. Shared by workspace/configuration and didChangeConfiguration.
+function pyrightSettings(rootDir: string): {
+  pythonPath: string | undefined;
+  analysis: {
+    diagnosticMode: string;
+    typeCheckingMode: string;
+    autoSearchPaths: boolean;
+    useLibraryCodeForTypes: boolean;
+  };
+} {
+  return {
+    pythonPath: resolvePythonPath(rootDir),
+    analysis: {
+      diagnosticMode: "openFilesOnly",
+      typeCheckingMode: "basic",
+      autoSearchPaths: true,
+      useLibraryCodeForTypes: true,
+    },
+  };
+}
+
 // Global Root Markers — appended to every server's rootMarkers list
 export const globalRootMarkers = [".git"];
 
@@ -32,6 +66,15 @@ export const servers: ServerConfig[] = [
     args: ["--stdio"],
     rootMarkers: ["pyproject.toml", "setup.py", "setup.cfg"],
     languageId: "python",
+    workspaceConfiguration: {
+      initialSettings: ({ rootDir }) => ({ python: pyrightSettings(rootDir) }),
+      getSection: (section, { rootDir }) => {
+        const settings = pyrightSettings(rootDir);
+        if (section === "python") return settings;
+        if (section === "python.analysis") return settings.analysis;
+        return null;
+      },
+    },
   },
   {
     id: "lua-language-server",