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Hierarchical graphs PR1: WorkItem drills into a Graph (schema + queries) #59

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Merged
mvalancy merged 1 commit into from
Jun 14, 2026
Merged

Hierarchical graphs PR1: WorkItem drills into a Graph (schema + queries) #59

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9 changes: 8 additions & 1 deletion packages/server/src/schema/neo4j-schema.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -313,6 +313,8 @@ export const typeDefs = gql`
workItems: [WorkItem!]! @relationship(type: "BELONGS_TO", direction: IN)
subgraphs: [Graph!]! @relationship(type: "PARENT_OF", direction: OUT)
parentGraph: Graph @relationship(type: "PARENT_OF", direction: IN)
# WorkItems (sheet symbols) that drill into this graph
drillSources: [WorkItem!]! @relationship(type: "DRILLS_INTO", direction: IN)
}

# WorkItem entity - represents work items in the graph
Expand All @@ -333,12 +335,17 @@ export const typeDefs = gql`
dueDate: DateTime
tags: [String!]
metadata: String # JSON as string

# If set, this node is a "sheet symbol" that drills into another graph
# (Altium-style hierarchy). Denormalized id for cheap client-side branching.
subgraphId: String

createdAt: DateTime! @timestamp(operations: [CREATE])
updatedAt: DateTime! @timestamp

# Relationships
owner: User @relationship(type: "OWNS", direction: IN)
# The sub-graph this node drills into (sheet symbol -> sub-sheet)
subgraph: Graph @relationship(type: "DRILLS_INTO", direction: OUT)
assignedTo: User @relationship(type: "ASSIGNED_TO", direction: IN)
graph: Graph @relationship(type: "BELONGS_TO", direction: OUT)
dependencies: [WorkItem!]! @relationship(type: "DEPENDS_ON", direction: OUT)
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16 changes: 16 additions & 0 deletions packages/web/src/lib/queries.ts
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Expand Up @@ -18,6 +18,14 @@ export const GET_WORK_ITEMS = gql`
dueDate
tags
metadata
subgraphId
subgraph {
id
name
nodeCount
edgeCount
type
}
owner {
id
name
Expand Down Expand Up @@ -103,6 +111,14 @@ export const GET_WORK_ITEM_BY_ID = gql`
dueDate
tags
metadata
subgraphId
subgraph {
id
name
nodeCount
edgeCount
type
}
owner {
id
name
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9 changes: 9 additions & 0 deletions packages/web/src/types/graph.ts
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Expand Up @@ -100,6 +100,15 @@ export interface WorkItem {
userId?: string;
dependencies?: WorkItem[];
dependents?: WorkItem[];
// Altium-style hierarchy: if set, this node drills into another graph
subgraphId?: string;
subgraph?: {
id: string;
name: string;
nodeCount?: number;
edgeCount?: number;
type?: string;
};
}

// Import and re-export RelationshipType from central constants file
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