fix(regex): let a script tick both display-only and prompt-only

[hydall]

SillyTavern treats "Only Format Display" (markdownOnly) and "Only Format Prompt" (promptOnly) as two independent opt-ins and ORs them — getRegexedString in public/scripts/extensions/regex/engine.js:

(script.markdownOnly && isMarkdown) ||
(script.promptOnly && isPrompt) ||
(!script.markdownOnly && !script.promptOnly && !isMarkdown && !isPrompt)

Glaze required both at once (&&-of-negatives), and no caller ever passes isMarkdown and isPrompt together — ChatMessageMapper.toMap passes only isMarkdown: true, applyPromptRegexes only isPrompt: true. A script with both flags was therefore dead in every pass. An imported pair such as "Use Figure Spaces" / "Return Normal Spaces" swapped spaces for U+2007 in the outgoing prompt but never swapped them back for display.

Changes

• applyRegexes (lib/core/llm/regex_service.dart) now runs a script when either opt-in matches the current pass, mirroring ST. The storage pass (run-on-edit, neither flag set) still skips both kinds, so a display rewrite is never baked into the stored message.
• displayRegexesProvider (lib/core/state/active_regex_provider.dart) stops dropping a promptOnly script that also ticks markdownOnly — that second gate kept such a script out of the display list even with the engine fixed.

Verification

• Added test/regex_service_test.dart cases: a markdownOnly + promptOnly script fires in the display pass and in the prompt pass but not in the storage pass, and the promptOnly half of the pair rewrites spaces only in the prompt.
• Flag semantics checked against the SillyTavern sources (engine.js getRegexedString, plus the isMarkdown: true / isPrompt: true call sites in public/script.js).
• flutter analyze and flutter test were not run — no Flutter SDK in the agent environment; relying on CI for both.

🤖 Generated with Claude Code

https://claude.ai/code/session_01PeAHpjepbusNwo4X5DQDsp

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