[loop-cycle-147] refactor: expand .gitignore to cover junk files (#336) (#339)

.gitignore

@@ -21,6 +21,9 @@ discord_credentials.txt
 
 # Backup / temp files
 *~
+\#*\#
+*.backup
+*.tar.gz
 
 # SQLite — never commit databases or WAL/SHM artifacts
 *.db
@@ -73,6 +76,23 @@ scripts/migrate_to_zeroclaw.py
 src/infrastructure/db_pool.py
 workspace/
 
+# Loop orchestration state
+.loop/
+
+# Legacy junk from old Timmy sessions (one-word fragments, cruft)
+Hi
+Im Timmy*
+his
+keep
+clean
+directory
+my_name_is_timmy*
+timmy_read_me_*
+issue_12_proposal.md
+
+# Memory notes (session-scoped, not committed)
+memory/notes/
+
 # Gitea Actions runner state
 .runner