fix: harden docker api validation, handle sftp errors, and fix node manager ui

CHANGELOG.md

@@ -37,6 +37,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - **Changed:** Standardized manual stack deletion to use the Two-Stage Teardown (Compose Down -> File Wipe) to prevent ghost networks.
 - **Fixed:** Atomic Rollback failure where non-empty directories caused silent file system errors.
 - **Added:** Two-Stage Teardown mechanism to ensure `docker compose down` sweeps up ghost networks before deployment files are deleted.
+### Deprecated
+- **(Planned)** Port 2375 (TCP) fallback support; future releases may require SSH-only for Node config.
+
+### Fixed
+- **Fixed:** Docker API parsing bug where HTML string responses from misconfigured ports were counted as containers.
+- **Fixed:** Stack list crashing when SFTP connections fail by gracefully catching SSH errors and returning empty arrays.
+
+### Changed
+- **Changed:** Expanded Node Manager UI width and added horizontal scrollbars for better data visibility.
 - **Added:** Smart Error Parser with telemetry-ready rule IDs to translate cryptic Docker output.
 - **Added:** Post-Deploy Health Probe to catch immediate container crashes that slip past Compose.
 - **Changed:** Rollback engine respects a `canSilentlyRollback` flag to protect user-authored configurations.