Telegram: threaded conversation support (#1597)

* Telegram: isolate dm topic sessions

* Tests: cap vitest workers

* Tests: cap Vitest workers on CI macOS

* Tests: avoid timer-based pi-ai stream mock

* Tests: increase embedded runner timeout

* fix: harden telegram dm thread handling (#1597) (thanks @rohannagpal)

---------

Co-authored-by: Peter Steinberger <steipete@gmail.com>

CHANGELOG.md

@@ -18,6 +18,8 @@ Docs: https://docs.clawd.bot
 - Docs: add Bedrock EC2 instance role setup + IAM steps. (#1625) Thanks @sergical. https://docs.clawd.bot/bedrock
 - Exec approvals: forward approval prompts to chat with `/approve` for all channels (including plugins). (#1621) Thanks @czekaj. https://docs.clawd.bot/tools/exec-approvals https://docs.clawd.bot/tools/slash-commands
 - Gateway: expose config.patch in the gateway tool with safe partial updates + restart sentinel. (#1653) Thanks @Glucksberg.
+- Telegram: treat DM topics as separate sessions and keep DM history limits stable with thread suffixes. (#1597) Thanks @rohannagpal.
+- Telegram: add verbose raw-update logging for inbound Telegram updates. (#1597) Thanks @rohannagpal.
 
 ### Fixes
 - BlueBubbles: keep part-index GUIDs in reply tags when short IDs are missing.
@@ -40,6 +42,9 @@ Docs: https://docs.clawd.bot
 - Google Chat: tighten email allowlist matching, typing cleanup, media caps, and onboarding/docs/tests. (#1635) Thanks @iHildy.
 - Google Chat: normalize space targets without double `spaces/` prefix.
 - Messaging: keep newline chunking safe for fenced markdown blocks across channels.
+- Tests: cap Vitest workers on CI macOS to reduce timeouts. (#1597) Thanks @rohannagpal.
+- Tests: avoid fake-timer dependency in embedded runner stream mock to reduce CI flakes. (#1597) Thanks @rohannagpal.
+- Tests: increase embedded runner ordering test timeout to reduce CI flakes. (#1597) Thanks @rohannagpal.
 
 ## 2026.1.23-1