Fixes#27189
When an inbound message is debounced, the Bot Framework turn context is
revoked before the debouncer flushes and the reply is dispatched. Any
attempt to use the revoked context proxy throws a TypeError, causing the
reply to fail silently.
This commit fixes the issue by adding a fallback to proactive messaging
when the turn context is revoked:
- `isRevokedProxyError()`: New error utility to reliably detect when a
proxy has been revoked.
- `reply-dispatcher.ts`: `sendTypingIndicator` now catches revoked proxy
errors and falls back to sending the typing indicator via
`adapter.continueConversation`.
- `messenger.ts`: `sendMSTeamsMessages` now catches revoked proxy errors
when `replyStyle` is `thread` and falls back to proactive messaging.
This ensures that replies are delivered reliably even when the inbound
message was debounced, resolving the core issue where the bot appeared
to ignore messages.
- Add mention parsing and validation logic
- Handle mention entities with proper whitespace
- Validate mention IDs to prevent false positives from code snippets
- Use fake placeholders in tests for privacy
* refactor: consolidate duplicate utility functions
- Add escapeRegExp to src/utils.ts and remove 10 local duplicates
- Rename bash-tools clampNumber to clampWithDefault (different signature)
- Centralize formatError calls to use formatErrorMessage from infra/errors.ts
- Re-export formatErrorMessage from cli/cli-utils.ts to preserve API
* refactor: consolidate remaining escapeRegExp duplicates
* refactor: consolidate sleep, stripAnsi, and clamp duplicates
