Initial extraction from fn_registry

sqlite_api: API REST HTTP read-only sobre registry.db y operations.db.
Bind por defecto 127.0.0.1:8484. Go + net/http + SQLite FTS5.

Extraido de fn_registry/projects/fn_monitoring/apps/sqlite_api/ como
repo independiente. La metadata del registry queda en project.md.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,15 @@
+# Compiled binary
+sqlite_api
+
+# Runtime artifacts
+sqlite_api.log
+sqlite_api.pid
+
+# Go
+*.exe
+*.test
+*.out
+
+# OS
+.DS_Store
+Thumbs.db