resolve mechanical architecture review issues (C-01,C-02,C-03,W-01,W-09,W-10,W-12)

- C-01: fix broken README link (call-graph-runtime.md → call-graph.md)
- C-02: add CallEdgeAttrs union type alias in schema.md
- C-03/W-12: rename TypedEdgeAttrs → OperationEdgeAttrs for consistent
  {GraphType}EdgeAttrs naming pattern, update all references
- W-01: standardize terminology — prerequisites=structural/graph,
  preconditions=reactive/computed, rename WorkflowNode.prerequisites
  to preconditions, rename computePrerequisites to computePreconditions
- W-09: update ADR-001/002/003 status from Proposed to Accepted
- W-10: clarify call graph mutation API — addCall creates triggered
  edges automatically, addDependency creates depends_on edges
- update review checklist with resolved items

docs/architecture/README.md

@@ -53,7 +53,7 @@ Flowgraph is in Phase 0/1 (exploration → architecture). No code exists yet. Th
 |----------|---------|
 | [schema.md](schema.md) | TypeBox Module, TypeScript types, enums (CallStatus, EdgeType, NodeStatus), node/edge attribute schemas, SerializedGraph factory |
 | [operation-graph.md](operation-graph.md) | Static graph from OperationSpecs, type-compatibility edges, construction paths, validation |
-| [call-graph-runtime.md](call-graph-runtime.md) | Dynamic graph from call events, node lifecycle, abort cascading, fromCallEvents construction |
+| [call-graph.md](call-graph.md) | Dynamic graph from call events, node lifecycle, abort cascading, fromCallEvents construction |
 | [workflow-templates.md](workflow-templates.md) | ujsx components (`<Operation>`, `<Sequential>`, `<Parallel>`, `<Conditional>`), template→DAG hydration, serialization |
 | [host-configs.md](host-configs.md) | Graphology HostConfig (template→DAG analysis), Reactive HostConfig (template→execution engine), Instance types |
 | [reactive-execution.md](reactive-execution.md) | Signal-driven status propagation, computed preconditions, abort cascade via signals, ReactiveRoot integration |
@@ -107,7 +107,7 @@ src/
   schema/
     enums.ts           # CallStatus, NodeStatus, EdgeType, OperationType
     node.ts             # OperationNodeAttributes, CallNodeAttributes
-    edge.ts             # TypeCompatEdgeAttrs, ParentChildEdgeAttrs, DependencyEdgeAttrs
+    edge.ts             # OperationEdgeAttrs, CallEdgeAttrs, TemplateEdgeAttrs
     graph.ts            # FlowGraphSerialized (graphology export format)
     index.ts
   graph/