fix(wardley): Allow parentheses after spaces in component names

Fixed NAME_WITH_SPACES terminal regex to allow parentheses, digits, and
underscores after spaces. This enables component names like "byte pair
encoding (BPE)" to parse correctly.

Previously, the pattern required letters after spaces which rejected
component names with parentheses like "(BPE)" after spaces.

Changed pattern from:
  (?:[ \t]+[A-Za-z][A-Za-z0-9_()&]*)*
To:
  (?:[ \t]+[A-Za-z0-9_()&]+)*

Fixes E2E test "should render GPT Tokeniser Architecture"

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: tractorjuice

packages/parser/src/language/wardley/wardley.langium

@@ -134,10 +134,10 @@ terminal KW_DEACCELERATOR: 'deaccelerator';
 
 // NAME_WITH_SPACES must be defined LAST to avoid shadowing other terminals
 // Uses negative lookahead to exclude matching content that starts with reserved keywords
-// Matches names like "Campfire Kettle" but NOT "Kettle 0.5" (stops before numbers after spaces)
-// Pattern: letter, then any combo of letters/digits/_, then optionally (space/tab + letters/digits/_) repeating
+// Matches names like "Campfire Kettle" and "byte pair encoding (BPE)"
+// Pattern: letter, then any combo of letters/digits/_()&, then optionally (space/tab + any of those) repeating
 // Uses [ \t]+ instead of \s+ to avoid matching newlines
-terminal NAME_WITH_SPACES: /(?!title\s|accTitle|accDescr)[A-Za-z][A-Za-z0-9_()&]*(?:[ \t]+[A-Za-z][A-Za-z0-9_()&]*)*/;
+terminal NAME_WITH_SPACES: /(?!title\s|accTitle|accDescr)[A-Za-z][A-Za-z0-9_()&]*(?:[ \t]+[A-Za-z0-9_()&]+)*/;
 // Removed EVOLUTION_NAME and COMPONENT_NAME terminals - they were too greedy
 // and shadowed imported terminals from common.langium (like TITLE)
 // Now using ID for evolution names and STRING for component names