v2026.6.18.1

## What's Changed
* fix(notifications): normalize call_started notification type from kebab-case to snake_case by @synoet in https://github.com/macro-inc/macro/pull/4185
* Add GitHub PR entity type filter support by @peterchinman in https://github.com/macro-inc/macro/pull/4107
* fix(soup): add nested doctype and subtype support to front end soup AST utils by @sedson in https://github.com/macro-inc/macro/pull/4196
* fix(ai): include images when reading markdown via Read tool by @ehayes2000 in https://github.com/macro-inc/macro/pull/4174
* chg(md): allow autolinking with no protocol for common tlds by @sedson in https://github.com/macro-inc/macro/pull/4202
* fix(lexical): remove extra lexical service from wrangler file by @synoet in https://github.com/macro-inc/macro/pull/4183
* fix(themes): updates themes and shadow styles by @aidanhb in https://github.com/macro-inc/macro/pull/4203
* fix(analytics): restore signup conversions on onboarding completion by @evanhutnik in https://github.com/macro-inc/macro/pull/4204
* fix(chat): allow sending with only an image attached (macro-1912) by @ehayes2000 in https://github.com/macro-inc/macro/pull/4199
* fix(ai): resolve email via name search before searching emails (macro-1915) by @ehayes2000 in https://github.com/macro-inc/macro/pull/4193
* fix(ai): draft emails via the email tool (macro-1913) by @ehayes2000 in https://github.com/macro-inc/macro/pull/4195
* fix(mcp): emit URLs not mention tags in MCP responses (macro-1917) by @ehayes2000 in https://github.com/macro-inc/macro/pull/4191
* fix(crm): wipe cached company emails on hide/email-sync toggle by @evanhutnik in https://github.com/macro-inc/macro/pull/4205
* fix(channels): restore DM fallback names by @seanaye in https://github.com/macro-inc/macro/pull/4206
* fix(channels): virtualize media gallery and refactor attachment entity resolution by @synoet in https://github.com/macro-inc/macro/pull/4170
* fix(ios): add payment back to settings by @peterchinman in https://github.com/macro-inc/macro/pull/4209
* feat(crm): add Hide/Unhide soup context action for companies by @evanhutnik in https://github.com/macro-inc/macro/pull/4208
* feat(observability) remove datadog RUM and consolidate to logs-only observability by @synoet in https://github.com/macro-inc/macro/pull/4211


**Full Changelog**: https://github.com/macro-inc/macro/compare/v2026.6.18.0...v2026.6.18.1