feat: expand tree-sitter queries to capture scope, decorator, and type information

[vitali87]

Parent tracking issue

This issue tracks the effort to expand tree-sitter query coverage by vendoring community-maintained query files from nvim-treesitter (MIT licensed), providing full coverage for all 12 supported languages.

Sub-issues

• feat: add scope tracking via nvim-treesitter locals.scm queries #523 — Scope tracking via locals.scm queries
• #524 — Symbol definition/reference tracking via tags.scm queries
• feat: extract access modifiers and decorators via highlights.scm queries #525 — Access modifier and decorator extraction via highlights.scm queries

Source

• nvim-treesitter — MIT licensed, locals.scm for 12/12 languages
• Official tree-sitter grammar repos — tags.scm for 12/12 languages
• tree-sitter-al v2 rewrite
• One Parser, Six Tools