chore: remove binaries from tracking, clean up .gitignore

- Remove launcher binary from all git history (git-filter-repo)
- Add launcher, run/*.pid, run/*.log to .gitignore
- Remove tracked run/assistant-bot.pid (runtime file)
- Add dev-scripts/reset-password.sh

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitignore

@@ -3,3 +3,6 @@
 *.log
 data/
 bin/
+launcher
+run/*.pid
+run/*.log