Refactor core parts

[ony3000]

• Added core parts responsible for the AST related logic.
• Renamed some core parts to better fit their roles.
• Reduced code duplication by separating similarly written logic across multiple finders into separate functions.

[Copilot]

Pull request overview

This PR refactors the plugin’s core AST-processing pipeline by moving parsing/processing responsibilities into dedicated core-parts/* modules and consolidating multiple “finder” implementations into shared, parser-specific handlers.

Changes:

• Moved advancedParse into src/core-parts/parser.ts and parseLineByLineAndReplaceAsync into src/core-parts/processor.ts.
• Centralized constants/types in src/core-parts/utils.ts and updated imports accordingly.
• Reworked src/core-parts/finder.ts to use a handler-table approach (parserCaseHandlers) instead of multiple near-duplicate finder functions.

Reviewed changes

Copilot reviewed 4 out of 5 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/parsers.ts	Updated to use new advancedParse and processor entrypoint; removed in-file AST parsing helper.
src/core-parts/utils.ts	Reordered exports and now serves as the shared source for constants/types used across core parts.
src/core-parts/processor.ts	Hosts the line-by-line replacement/assembly logic and dispatches to new “based on …” finder functions.
src/core-parts/parser.ts	Owns advancedParse and Svelte AST refinement behavior.
src/core-parts/finder.ts	Major refactor: consolidated logic via per-parser case handlers and new exported finder entrypoints.

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