Feat/add support for status endpoint (#10)

* feat(network): add support for new status endpoint

* refactor(network): structured JSON responses for sync functions. 
Example: {"send":{"status":"synced","localVersion":5,"serverVersion":5},"receive":{"rows":3,"tables":["tasks"]}}

Author: andinux

.claude/commands/test-sync-roundtrip.md …ds/test-sync-roundtrip-postgres-local.md.claude/commands/test-sync-roundtrip.md renamed to .claude/commands/test-sync-roundtrip-postgres-local.md .claude/commands/test-sync-roundtrip.md renamed to .claude/commands/test-sync-roundtrip-postgres-local.md

@@ -1,4 +1,4 @@
-# Sync Roundtrip Test
+# Sync Roundtrip Test with local Postgres database
 
 Execute a full roundtrip sync test between a local SQLite database and the local Supabase Docker PostgreSQL instance.
 
@@ -115,7 +115,7 @@ SELECT cloudsync_network_send_changes();
 
 -- Check for changes from server (repeat with 2-3 second delays)
 SELECT cloudsync_network_check_changes();
--- Repeat check_changes 3-5 times with delays until it returns > 0 or stabilizes
+-- Repeat check_changes 3-5 times with delays until it returns more than 0 received rows or stabilizes
 
 -- Verify final data
 SELECT * FROM <table_name>;