v0.8.0: FOSS Databases and UI/UX Improvements

What's Changed

• FOSS Database Switch by @RyanTheRobothead in #235
• Location Manager: template-based locations, MongoDB persistence, and declarative node template registration by @tginsbu1 in #228
• Bundle agent skills into generated templates by @RyanTheRobothead in #242
• Fix dashboard freeze on Show Copyable Workflow Step (#157) by @RyanTheRobothead in #255
• fix: return failed ActionResult instead of 500 for typed endpoints (#187) by @RyanTheRobothead in #256
• fix: initialize action argument values from defaults in node modal by @RyanTheRobothead in #257
• feat: location templates in NodeInfo + dashboard template UX by @RyanTheRobothead in #258
• feat: redesign workflow and node modals with tabbed layouts and retry/resubmit UX by @RyanTheRobothead in #259
• fix: propagate experiment ownership context to workflows by @RyanTheRobothead in #260
• added docs by @tginsbu1 in #266
• feat: expand module templates with shared file deduplication, addon CLI, and code review fixes by @RyanTheRobothead in #270
• fix: remove orphaned definition patterns and reconcile workflow model by @RyanTheRobothead in #271
• adding pre-commit check by @tginsbu1 in #273
• fix: prevent object storage overwrites on repeated uploads by @RyanTheRobothead in #276
• Feature: Buildout CLI and TUI to cover more managers/functionality by @RyanTheRobothead in #275
• feat: layered location ownership model and transfer graph UX by @RyanTheRobothead in #290
• fix: CLI interactive mode respects --name arg; correct compose images by @RyanTheRobothead in #292
• feat: add SilaNodeClient for native SiLA2 device integration by @RyanTheRobothead in #291
• docs(release-audit): 0.8.0-rc.1 artifact cleanup by @RyanTheRobothead in #311
• Audit agent skills against authoring best practices + bump openspec to 1.3.1 by @RyanTheRobothead in #309
• v0.8.0: FOSS infrastructure, location templates, dashboard redesign, and release audit by @RyanTheRobothead in #261

Full Changelog: v0.7.1...v0.8.0