graphify add

.github/copilot-instructions.md

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+## graphify
+
+For any question about this repo's architecture, structure, components, or how to add/modify/find
+code, your first action should be `graphify query "<question>"` when `graphify-out/graph.json`
+exists. Use `graphify path "<A>" "<B>"` for relationship questions and `graphify explain "<concept>"`
+for focused-concept questions. These return a scoped subgraph, usually much smaller than the full
+report or raw grep output.
+
+Triggers: "how do I…", "where is…", "what does … do", "add/modify a <component>",
+"explain the architecture", or anything that depends on how files or classes relate.
+
+If `graphify-out/wiki/index.md` exists, use it for broad navigation. Read `graphify-out/GRAPH_REPORT.md`
+only for broad architecture review or when query/path/explain do not surface enough context. Only read
+source files when (a) modifying/debugging specific code, (b) the graph lacks the needed detail, or
+(c) the graph is missing or stale.
+
+Type `/graphify` in Copilot Chat to build or update the graph.