Add pi-tool-display (compact tool rendering, adaptive diffs) + pi-lsp-extension (LSP diagnostics/hover/definitions) — vendored from npm 0.5.0 / 1.3.0

extensions/pi-lsp-extension/src/shared/language-map.ts

@@ -0,0 +1,51 @@
+/**
+ * Shared language mappings — single source of truth for file extension → language ID.
+ *
+ * Used by both LspManager and TreeSitterManager.
+ */
+
+/** Map file extensions to LSP language IDs */
+export const EXT_TO_LANGUAGE: Record<string, string> = {
+  ".ts": "typescript",
+  ".tsx": "typescriptreact",
+  ".js": "javascript",
+  ".jsx": "javascriptreact",
+  ".mts": "typescript",
+  ".mjs": "javascript",
+  ".cts": "typescript",
+  ".cjs": "javascript",
+  ".rs": "rust",
+  ".py": "python",
+  ".go": "go",
+  ".java": "java",
+  ".c": "c",
+  ".h": "c",
+  ".cpp": "cpp",
+  ".cc": "cpp",
+  ".hpp": "cpp",
+  ".cs": "csharp",
+  ".rb": "ruby",
+  ".kt": "kotlin",
+  ".kts": "kotlin",
+  ".scala": "scala",
+  ".ex": "elixir",
+  ".exs": "elixir",
+  ".lua": "lua",
+  ".sh": "bash",
+  ".bash": "bash",
+  ".zsh": "bash",
+  ".swift": "swift",
+  ".zig": "zig",
+  ".json": "json",
+  ".html": "html",
+  ".htm": "html",
+  ".css": "css",
+  ".vue": "vue",
+  ".php": "php",
+};
+
+/** Get the language ID for a file path based on extension */
+export function getLanguageIdFromPath(filePath: string): string | undefined {
+  const ext = filePath.match(/\.[^.]+$/)?.[0]?.toLowerCase();
+  return ext ? EXT_TO_LANGUAGE[ext] : undefined;
+}