chore: update plan and import to CLAUDE.md

Author: limulus

CLAUDE.md

@@ -1,7 +1,5 @@
 # tcx2webvtt Helper Guide
 
-See `PLAN.md` to learn what the purpose and plan is for this project.
-
 ## Software Development Methodology
 
 - Use Test Driven Development:
@@ -41,3 +39,7 @@ See `PLAN.md` to learn what the purpose and plan is for this project.
   - `src/lib/` - Core functionality
   - `src/bin/` - CLI entry points
   - `src/mocks/` - Test mocks
+
+## Development Plan
+
+See @PLAN.md

PLAN.md

@@ -9,12 +9,14 @@ Pro XML export) to omit parts of the output and ensure synchronization with an e
 
 - [x] Set up vitest browser testing that will enable testing of WebVTT output
 - [x] Class to generate WebVTT file from array of `Sample`s
+- [] Create a CLI Node.js executable that takes the XML file as an argument and outputs
+  WebVTT.
 - [] Parse timecode data from a Final Cut Pro XML export
 - [] Create a class that uses the timecode info from the FCP XML and creates a list of
   datetime intervals that the video project includes
 - [] Create a function or class that uses the time interval series to filter array of
   `Sample`s
-- [] Create a CLI Node.js executable that takes the XML files as arguments/options, probably
-  an initial datetime to sync timecode with, and outputs WebVTT.
+- [] Add options to CLI to take Final Cut Pro XML export file and an initial datetime to
+  sync timecode
 - [] Create a JSON schema that WebVTT metadata will conform to, for consumers of WebVTT
   tracks to validate against and get TS types