Saving sim results

BEdit/AGENTS.md

@@ -94,6 +94,11 @@ Keep the root of `src/bedit` minimal. New UI modules should go into the relevant
 - Avoid the QSettings group name `general`; Qt treats `General` specially in INI
   files. Autosave keys live under `autosave/`.
 - User-visible document edits should participate in undo/redo.
+- Component clipboard data is shared by the graph, document tree, and library
+  tree. Pasting into the document node creates roots; pasting into a graph node
+  creates children at an origin-normalized position. Always clone pasted trees
+  with fresh IDs, preserve connections between jointly copied graph blocks, and
+  assign unique sibling names.
 - The text-definition editor uses OpenModelica highlighting and completion from
   `src/bedit/data/syntax/openmodelica.json`. Keep keywords, types, built-ins, and
   named BEdit `$name$` macro completions editable there; arbitrary `$name$`
@@ -126,9 +131,14 @@ Keep the root of `src/bedit` minimal. New UI modules should go into the relevant
   progress, log, and future result views. Extend graph presentation through its
   Designer-owned `resultsLayout` and the
   `clear_result_views()`/`load_result_views()` hooks.
-- Standalone simulation-result JSON is modeled in `core/simulation/results.py`.
+- Standalone simulation results are modeled in `core/simulation/results.py`.
   Its versioned schema retains model status, messages, metadata, and plottable
   traces so the simulation window can open results without an active document.
+  Human-readable `.json` uses JSON, while the default `.ber` format uses the same
+  compressed MessagePack approach as `.beb` documents.
+- After a successful OpenModelica run, `<model>_res.csv` is parsed on the worker
+  before temporary-directory cleanup. `SimulationResults.data` stores every CSV
+  column as a numeric array, including `time`, for later plotting and persistence.
 - The optional OpenModelica executable is persisted as
   `simulation/openModelicaPath`. The GUI passes it into `Simulation`; core must
   not read `QSettings`. An empty path uses OMPython/PATH discovery, while an