chore(gitignore): ignore the surreal sql REPL history file

Running the SurrealDB shell from the repo root drops a history.txt in rustyline's
#V2 format — a local tool artifact carrying whatever ad-hoc queries were last
typed. It is not source and should never have been a candidate for commit.

Files changed:
- .gitignore

Claude-Session: https://claude.ai/code/session_019a8tSPbFdvF1pKtADnWyDg

Author: mpstaton

.gitignore

@@ -54,6 +54,10 @@ pnpm-debug.log*
 # Playwright MCP browser-drive artifacts (session snapshots/logs)
 .playwright-mcp/
 
+# surreal sql REPL history (rustyline #V2 format) — a tool artifact that
+# lands at the repo root when you run the SurrealDB shell from here.
+history.txt
+
 # graphify knowledge-graph output (~7MB generated: graph.html, graph.json,
 # GRAPH_REPORT.md, AST cache, manifest). Rebuild with `graphify --update`.
 # Corpus scope is committed in .graphifyignore, not here.