add dependency graph of work items

Author: anik120

docs/design/mcp-apps-for-ui-components/mcp-apps-dependency-graph.md

@@ -0,0 +1,72 @@
+# MCP Apps Implementation Dependency Graph
+
+## Visual Dependency Graph
+
+```mermaid
+graph TD
+    %% Llama Stack Work (External)
+    T1[LCORE-1727 Implement llama-stack<br/>Resources API]
+    T2[LCORE-1807 Implement llama-stack<br/>Tool Invocation API]
+
+    %% Core Dependencies
+    T3[LCORE-???? Upgrade llama-stack<br/>dependencies]
+
+    %% Foundation Layer - Can start in parallel after upgrade
+    T4[LCORE-1808 Implement<br/>ToolDefinitionCache]
+    T6[LCORE-1810 Extend ToolResultSummary<br/>with ui_resource field]
+    T12[LCORE-???? Implement<br/>/v1/tools/invoke endpoint]
+
+    %% Implementation Layer
+    T5[LCORE-???? Update /v1/tools<br/>to populate cache]
+    T7[LCORE-1811 Implement inline<br/>UI resource fetching]
+
+    %% Integration Layer
+    T8[LCORE-1812 Wire tool cache<br/>through query flow]
+
+    %% Testing Layer
+    T10[LCORE-1813 Add integration tests]
+    T11[LCORE-1816 Add E2E tests]
+
+    %% Documentation Layer
+    T14[LCORE-1815 Documentation]
+
+    %% Dependencies
+    T1 --> T3
+    T2 --> T3
+
+    T3 --> T4
+    T3 --> T6
+    T3 --> T12
+
+    T4 --> T5
+    T4 --> T7
+    T4 --> T9
+
+    T6 --> T7
+    T6 --> T13
+
+    T7 --> T8
+    T7 --> T9
+    T7 --> T10
+
+    T8 --> T10
+    T8 --> T11
+
+    T12 --> T13
+    T12 --> T14
+
+    T7 --> T14
+
+    %% Styling
+    classDef external fill:#ffcccc,stroke:#cc0000,stroke-width:2px
+    classDef foundation fill:#ccffcc,stroke:#00cc00,stroke-width:2px
+    classDef implementation fill:#ccccff,stroke:#0000cc,stroke-width:2px
+    classDef testing fill:#ffffcc,stroke:#cccc00,stroke-width:2px
+    classDef docs fill:#ffccff,stroke:#cc00cc,stroke-width:2px
+
+    class T1,T2 external
+    class T3,T4,T6,T12 foundation
+    class T5,T7,T8 implementation
+    class T10,T11 testing
+    class T14 docs
+```