Reference-based features only asked the language server, which analyses its configured scope (e.g. Pyright's `include`) plus open files, so usages in unopened files outside that scope were silently missing.
Find Usages, Show Usages, usage counts, Safe Delete of a symbol, Rename and incoming calls now also search project files that contain the symbol's name (whole word, same language, .gitignore/excludes respected, unsaved edits included, up to 300 files, cancellable). Candidates the first answer didn't cover are opened in the server temporarily, queried and closed again. Files the user has open are never touched, and diagnostics for the temporary files are dropped. An empty result while the server is still indexing is retried once indexing ends. When results may still be incomplete (indexing, file cap), the usages UI says so. `lsp_references` takes a RequestId and is cancelled by newer searches. Not covered yet: the Safe Delete scan when deleting a file or directory.
Fixes#83
Claude-Session: https://claude.ai/code/session_01VUYsdXA2nkF5v6zsC93dpn
Root cause: the tools dir installed typescript@latest, now TypeScript 7 (native port, no typescript.js/tsserver.js/ts.server), so @vue/language-server 3 crashed on ts.server.protocol and restarted forever; Volar 3 hybrid mode also needs tsserver/request forwarding, which we never answered.
Fix: pin TS-as-library servers to typescript@<7 and keep shared deps on uninstall; pick a usable tsdk (setting / bundled / project, --tsdk); bridge tsserver/request to vtsls with @vue/typescript-plugin (null when vtsls is absent); answer workspace/configuration for section ""; stop restarting after 3 consecutive early crashes (IDEA); crash summary starts at the exception line.
Siblings covered: typescript-language-server and svelte-language-server (same TS 7 break), vtsls config, install hints in language TOMLs.
Verified: scoped cargo tests, real-server tests (vue-language-server 3.3.13 + vtsls), in-app on macOS (server running, no crash loop). Not verified on Windows.
Claude-Session: https://claude.ai/code/session_01VUYsdXA2nkF5v6zsC93dpn
l0ng-ai