* fix: extract CSharpLexer and fix delimiter checking for C# string variants
The ManageScript tool had 7 copy-pasted inline lexers that did not handle
verbatim strings (@""), interpolated strings ($""), or raw string literals,
causing false unbalanced braces errors on valid C# code like $"Score: {score}".
Extract a shared CSharpLexer struct that correctly handles all C# string/comment
types, rewrite all callers to use it, and remove redundant CheckScopedBalance
and ValidateBasicStructure methods. Fix IndexOfClassToken to skip matches inside
strings and comments. Fix anchor_insert to use depth-based best-match selection
instead of picking the first regex match (which selected method-level braces
over class-level ones).
On the Python side, add _is_in_string_context and _brace_depth_at_positions
helpers, and rewrite _find_best_closing_brace_match with depth-based scoring
that filters out matches inside strings/comments.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
* refactor: consolidate duplicate Python C# lexer into shared _iter_csharp_tokens generator
_is_in_string_context and _brace_depth_at_positions duplicated ~150 lines
of the same C# string/comment lexer. Extract a shared generator and rewrite
both as thin wrappers (-59 net lines, same behavior).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
* fix: handle interpolated raw strings and make anchor ops use best-match
1. Add """...""" and $"""...""" (C# 11 interpolated raw string)
support to both C# CSharpLexer and Python _iter_csharp_tokens.
Dollar count determines interpolation threshold (N dollars = N
consecutive braces to open an interpolation hole).
2. Make anchor_delete and anchor_replace use FindBestAnchorMatch
(same as anchor_insert) instead of rx.Match for consistent
target selection when multiple anchors match.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
* fix: guard unterminated comment overshoot and filter on brace position
1. Guard _pos += 2 after /* comment scanning in both
SkipInterpolatedStringBody and SkipInterpolatedRawStringBody —
only advance past */ when the terminator was actually found,
preventing overshoot past _end on unterminated comments.
2. Filter _find_best_closing_brace_match on the actual }
position rather than m.start() (which points at leading
whitespace for patterns like ^\s*}\s*$).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
dsarno
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