Add a new module that parses PostConfigurator COMMANDBLOCK values (CONF_* set ...)
to extract the first word of braced list elements as procedure names with precise
line/column spans.
- server/src/tools/stored_procs.py: implement stored_command_names(command)
which returns (name, line, column) for static/braced list elements.
- Integrate into navigation (build_file_symbol_index) to index these names as
non-definitions so Go To Definition / Find References can resolve them.
- Integrate into semantic highlighting to mark known stored procedures as
functions when appropriate.
- Add tests (server/tests/python_tests/test_stored_procs.py) covering parsing,
goto-definition, references, and highlighting behavior.
- Update CHANGELOG to note the new capability.
Notes/constraints:
- Only static/braced COMMANDBLOCK values (BracedWord) are considered.
- Names must match the command-name pattern and are taken from the first word
of each list element.