Shared memory and context tools for agentic work.
Code Rooms
# MASSIF UML
MASSIF is a Human View lens that renders persisted X-RAY paint tags from the existing graph snapshot as a stable isometric proof-topography view.
## Component diagram
```mermaid
flowchart LR
subgraph Existing_Human_View
HallShell[Hall shell]
ClientApi[client ts]
SnapshotTypes[snapshot ts]
GraphCanvas[GraphCanvas]
LivingTree[LivingTree]
TreeLenses[treeLenses]
end
subgraph New_MASSIF_Client
MassifView[MassifView React]
SnapshotSource[SnapshotSource existing snapshot fetch]
StateDeriver[StateDeriver tags to five state grammar]
ContainerTree[ContainerTree path prefix primary layers optional]
RollupEngine[RollupEngine proportion fill border holes]
LayoutEngine[LayoutEngine d3 hierarchy stable order]
IsoRenderer[IsoRenderer Canvas 2D prisms]
ZoomController[ZoomController d3 zoom grammar LOD]
DetailPanel[DetailPanel]
HallShell --> MassifView
MassifView --> SnapshotSource
SnapshotSource --> ClientApi
SnapshotSource --> SnapshotTypes
SnapshotSource --> StateDeriver
StateDeriver --> ContainerTree
TreeLenses -. optional layer lens pattern .-> ContainerTree
ContainerTree --> RollupEngine
RollupEngine --> LayoutEngine
LayoutEngine --> IsoRenderer
IsoRenderer --> ZoomController
ZoomController --> DetailPanel
LivingTree -. shared navigation shell .-> MassifView
GraphCanvas -. neighboring graph view .-> MassifView
```
## Load and interaction sequence
sequenceDiagram
participant User
participant Hall as Hall shell
participant View as MassifView
participant Snapshot as SnapshotSource
participant API as Existing graph snapshot API
participant State as StateDeriver
participant Tree as ContainerTree
participant Rollup as RollupEngine
participant Layout as LayoutEngine
participant Render as IsoRenderer
participant Detail as DetailPanel
User->>Hall: open MASSIF lens
Hall->>View: mount for current brain
View->>Snapshot: request snapshot
Snapshot->>API: GET graph snapshot
API-->>Snapshot: nodes edges tags served brain
Snapshot-->>State: nodes with tags
State-->>State: derive state from xray tags
State-->>State: absence becomes unpainted
State-->>Tree: stateful nodes
Tree-->>Tree: build path prefix containers
Tree-->>Tree: attach optional full layer lens
Tree-->>Rollup: container membership
Rollup-->>Rollup: compute state proportions and border signal
Rollup-->>Layout: container weights and stable keys
Layout-->>Render: packed positions
Render-->>User: draw Canvas 2D isometric blocks
User->>Render: click block
Render->>Detail: selected block and state receipt
Detail-->>User: state evidence connectedness manifest source
## Grammar state diagram
stateDiagram-v2
[*] --> Unpainted
Unpainted --> Bedrock: repaint after commit adds bedrock tag
Unpainted --> Overgrowth: repaint after commit adds overgrowth tag
Unpainted --> Unproven: repaint after commit adds unproven tag
Unpainted --> ErosionCandidate: repaint after commit adds erosion candidate tag
Bedrock --> Unproven: repaint after commit evidence disappears
Unproven --> Bedrock: repaint after commit evidence appears
Overgrowth --> Unproven: repaint after commit references appear
Unproven --> Overgrowth: repaint after commit references disappear
Bedrock --> ErosionCandidate: repaint after commit manifest rule flags source
Overgrowth --> ErosionCandidate: repaint after commit manifest rule flags source
Unproven --> ErosionCandidate: repaint after commit manifest rule flags source
ErosionCandidate --> Bedrock: repaint after commit rule clears and evidence exists
ErosionCandidate --> Overgrowth: repaint after commit rule clears and node is orphaned
ErosionCandidate --> Unproven: repaint after commit rule clears and node is used without evidence
## Human View integration diagram
flowchart TB
subgraph Human_View
BrainSelector[Brain selector]
Hall[Hall cards]
Navigation[Shared navigation shell]
LivingTree[LivingTree file tree]
GraphCanvas[GraphCanvas node link view]
Massif[MASSIF proof topography lens]
BrainSelector --> Hall
BrainSelector --> Navigation
Navigation --> LivingTree
Navigation --> GraphCanvas
Navigation --> Massif
subgraph Shared_Data
Snapshot[Existing graph snapshot]
ToolCalls[Existing tool calls]
Tokens[Shared UI tokens]
Snapshot --> LivingTree
Snapshot --> GraphCanvas
Snapshot --> Massif
ToolCalls --> LivingTree
ToolCalls -. optional full layer lens .-> Massif
Tokens --> Hall
Tokens --> LivingTree
Tokens --> GraphCanvas
Tokens --> Massif
