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Multi session support - #673

Merged

SimonHeybrock merged 80 commits into

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multi-session

Feb 24, 2026

Commits on Jan 22, 2026
- Design doc v1
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- v2
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- Condense multi-session architecture document for implementers
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- Multi-session architecture: Phases 1, 1.5, 2, 4
  
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- Multi-session architecture: Phase 3 - Plotter two-stage refactor
  
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- Multi-session architecture: Phase 5 - SessionUpdater integration
  
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- Multi-session architecture: Wire up infrastructure
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- Simplify multi-session architecture with SessionPlotManager
  
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- Fix plot updates by restoring shared pipe data forwarding
  
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- Refactor SlicerPlotter to two-stage compute/present architecture
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- Simplify data pipeline with single on_data callback
  
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- Move orchestrator.update() to dedicated background thread
  
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- Move custom handlers inside pn.io.hold() block for batched updates
  
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- Use fixed-rate scheduling for orchestrator updates
  
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- Only sleep in orchestrator loop when idle
  
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- Consolidate session cleanup into SessionRegistry
  
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- Auto-register SessionUpdater with registry on creation
  
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- Create SessionUpdater before widgets for cleaner dependency injection
  
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Commits on Jan 23, 2026
- Remove unused WidgetStateStore
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- Move NotificationQueue to its own module
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- Unify LayerState and PlotDataService for plot state management
  
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- Fix edge case in SessionPlotManager.setup_layer()
  
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- Rename file to match class name
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- Unify LayerId types to use UUID
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- Remove references to temporary file
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- Remove logging from NotificationQueue
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- Move SlicerPresenter and SlicerPlotter to their own file
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- Refactor SlicerPlotter: move rendering to presenter, pre-prepare data
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- Fix missing sizing_opts in SlicerPresenter
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- Fix plot freeze when changing settings via reconfigure
  
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- Cleanup
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- Remove backward-compat Plotter.__call__ and update tests to use compute()
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- Port CorrelationHistogramPlotter to 2-phase Plotter interface
  
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- Remove unused create_plot_from_pipeline method
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- Refactor ROI request plotters to proper compute/presenter pattern
  
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Commits on Jan 26, 2026
- Move state caching from PlotLayerState to Plotter
  
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- Replace version tracking with presenter dirty flag mechanism
  
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- Reorder roi_request_plots.py to minimize diff vs main
  
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- cleanup
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- Restore comment explaining deferred plot insertion rationale
  
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Commits on Jan 27, 2026
- Move placeholder-to-ready transition detection to SessionPlotManager
  
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- Remove planning docs
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- Revert "Move placeholder-to-ready transition detection to SessionPlotManager"
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- cleanup
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- Make Plotter.compute() return None instead of result
  
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Commits on Jan 28, 2026
- Eliminate flash to placeholder when reconfiguring plot layers
  
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- Make setup_layer private, use get_dmap in polling loop
  
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- Remove pn.state.execute which should not be necessary here
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- cleanup
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  79da2b1
- Fix plots not following job transitions on workflow restart
  
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- Fix correlation plotter dmap recreation on every update
  
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- Fix race condition in JobStatusListWidget dictionary iteration
  
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- Fix datetime64 dtype error in correlation plotter lookup
  
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- Fix race condition causing KeyError during workflow stop/start
  
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- Fix DataSubscriber memory leak on workflow restart
  
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  6eac383
- Fix WeakSet iteration race condition in presenter dirty marking
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- Replace implicit state management with explicit LayerStateMachine
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- Remove PlotLayerState facade, use LayerStateMachine directly
  
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- Update plot_grid_tabs.py for LayerStateMachine changes
  
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- Simplify state machine implementation after review
  
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Commits on Jan 29, 2026
- Fix spurious warnings when data_arrived() called in READY state
  
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- Fix plot recreation flicker when adding plot to streaming job
  
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- Fix static overlays not appearing after state machine refactor
  
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- Register layers in PlotDataService before notifying widgets
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- Document why LayerStateMachine tracks version not just state
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- Merge branch 'main' into multi-session
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- Rename
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- Remove unused PlotterT TypeVar from plots.py
  
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- Simplify SessionPlotManager into SessionLayer
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- Merge polling phases and remove dead static_layer_ready()
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- Fix infinite widget rebuilds by creating SessionLayer eagerly
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Commits on Jan 30, 2026
- Remove unnecessary TYPE_CHECKING guard in session_layer.py
  
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- Refactor static plotter handling to share code with dynamic path
  
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- Cleanup
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- Remove redundant is_valid_for check in _poll_for_plot_updates
  
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Commits on Feb 2, 2026
- Fix logging backsliding: use structlog instead of stdlib logging
  
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- Merge branch 'main' into multi-session
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Commits on Feb 11, 2026
- Merge branch 'main' into multi-session
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Commits on Feb 23, 2026
- Remove redundant Presenter protocol in favor of PresenterBase
  
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- Merge branch 'main' into multi-session
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Commits

Commits on Jan 22, 2026

Commits on Jan 23, 2026

Commits on Jan 26, 2026

Commits on Jan 27, 2026

Commits on Jan 28, 2026

Commits on Jan 29, 2026

Commits on Jan 30, 2026

Commits on Feb 2, 2026

Commits on Feb 11, 2026

Commits on Feb 23, 2026